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Publications

2015

  • E. Prior, C. de Dios, M. Ortsiefer, P. Meissner, and Pablo Acedo: “Understanding VCSEL-based Gain Switching optical frequency combs: experimental study of polarization dynamics”, IEEE Journal of Lightwave Technology

  • F. Karinou, C. Prodaniuc, N. Stojanovic, M. Ortsiefer, A. Daly, R. Hohenleitner, B. Kögel, and C. Neumeyr: „Experimental Performance Evaluation of Equalization Techniques for 56 Gb/s PAM-4 VCSEL-based Optical Interconnects”, 41st European Conference on Optical Communication (ECOC), Valencia, 2015

  • F. Karinou, C. Prodaniuc, N. Stojanovic, M. Ortsiefer, A. Daly, R. Hohenleitner, B. Kögel, and C. Neumeyr: „Directly PAM-4 Modulated 1530-nm VCSEL Enabling 56 Gb/s/λ Data-Center Interconnects”, IEEE Photonics Technology Letters

  • F. Karinou, N. Stojanovic, G. Goeger, C. Xie, M. Ortsiefer, A. Daly, R. Hohenleitner, B. Kögel, and C. Neumeyr: „28 Gb/s NRZ-OOK Using 1530-nm VCSEL, Direct Detection and MLSE Receiver for Optical Interconnects”, IEEE Optical Interconnects Conference, San Diego, 2015

  • T. Aalto, M. Harjanne, S. Ylinen, M. Kapulainen, T. Vehmas, M. Cherchi, C. Neumeyr, M. Ortsiefer, and A. Malacarne: „Multi-wavelength transceiver integration on SOI for high-performance computing system applications”,Photonics West, San Francisco, 2015

  • S. Paul, C. Gierl, J. Cesar, Q. T. Le, M. Malekizandi, B. Kögel, C. Neumeyr, M. Ortsiefer, and F. Küppers: „10 Gbit/s Direct Modulation of Widely Tunable 1550 nm MEMS VCSEL“, IEEE J. Sel. Topics in Quantum Electron., , 2015

  • S. Paul, C. Gierl, J. Cesar, F. Küppers, B. Kögel, J. Rosskopf, M. Görblich, Y. Xu, C. Neumeyr, and M. Ortsiefer: „7-GHz Small-signal Modulation Response of a Surface Micromachined BCB MEMS VCSEL with > 50-nm Continuous Tuning”, CLEO Munich, 2015

  • S. Paul, C. Gierl, J. Cesar, Q. T. Le, M. Malekizandi, F. Küppers, B. Kögel, J. Rosskopf, C. Gréus, M. Görblich, Y. Xu, C. Neumeyr, and M. Ortsiefer: „High Speed Surface Micromachined MEMS Tunable VCSEL for Telecom Wavelengths“, CLEO 2015

  • A. Malacarne, V, Sorianello, A. Daly, B. Kögel, M. Ortsiefer, S. Melo, C. Neumeyr, M. Romagnoli, and A. Bogoni: “High-Speed Long-Wavelength VCSELs for Energy-Efficient 40 Gbps Links up to 1 km Without Error Correction”, Optical Fiber Communication Conference and Exposition (OFC), Tu2H.1, Los Angeles, 2015

2014

  • M. Ortsiefer: “Kleine Laser für Kommunikation und Sensorik - von universitärer Forschung zur Unternehmensgründung und industriellen Anwendung“, Buchbeitrag in „Wie kommt das Neue in Technik und Medizin“, ISBN 978-3-00-047469-9, 2014

  • M. Ortsiefer, J. Rosskopf, B. Kögel, A. Daly, M. Görblich, Y. Xu, C. Gréus, and C. Neumeyr: „Long Wavelength VCSELs with Enhanced Temperature and Modulation Characteristics”, IEEE 24th International Semiconductor Laser Conference, TA6, Mallorca, 2014

  • E. Prior Cano, C. de Dios Fernandez, A. R. Criado Serrano, M. Ortsiefer, P. Meissner, and P. Acedo: "Experimental study of VCSEL-based Optical Frequency Comb Generators," ”, IEEE Photonics Technology Letters, 26, 2118-2121,2014

  • E. Bosman, A. G. Elmogi, S. Wiegersma, H. Berg, M. Ortsiefer, A. Daly, G. Steenberge: “Adaptive coupling approach for single mode VCSELs with polymer waveguides”, IEEE Photonics Conference (IPC), 10.1109/IPCon.2014.6995201, San Diego, 2014

  • M. Ortsiefer: „Achievements and prospects for long-wavelength VCSELs in optical sensing applications“, Field Laser Applications in Industry and Research (FLAIR), Florence, 2014

  • M. Ortsiefer, B. Kögel, J. Rosskopf, M. Görblich, Y. Xu, C. Gréus, and C. Neumeyr: “Long Wavelength High Speed VCSELs for Long Haul and Data Centers”, Optical Fiber Conference (OFC), W4C.2, (invited talk), San Francisco, 2014

  • C. Xie, S. Spiga, P. Dong, P. Winzer, A. Gnauck, C. Gréus, M. Ortsiefer, C. Neumeyr, M. Müller, and M.C. Amann: „Generation and Transmission of 100-Gb/s PDM 4-PAM Using Directly Modulated VCSELs and Coherent Detection”,Optical Fiber Communication Conference and Exposition (OFC), Th3K.2, San Francisco, 2014

2013

  • A.R. Criado, C. Fernandez, E. Prior, M. Ortsiefer, M., P. Meissner, P. Acedo: “VCSEL based Optical Frequency Combs: towards efficient single-device comb generation”, IEEE Photonics Technology Letters, 25, 1981-1984, 2013

  • E. Prior, A. R. Criado, C. de Dios, P. Acedo, M. Ortsiefer, and P. Meissner: „Continuous wave sub-THz photonic generation with a VCSEL-based Optical Frequency Comb”, Electron. Lett., 49, 944-945, 2013

  • C. Xie, P. Dong, P. Winzer, C. Gréus, M. Ortsiefer, C. Neumeyr, S. Spiga, M. Müller, and M.-C. Amann: „960-km SSMF transmission of 105.7-Gb/s PDM 3-PAM using directly modulated VCSELs and coherent detection”, Optics Express, 21, 11585-11589, 2013

  • A. R. Criado, C. de Dios, E. Prior, P. Acedo, M. Ortsiefer, and P. Meissner: “Photonic generation of CW sub-THz and THz waves using an efficient Gain-Switching based VCSEL optical frequency comb”,38th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), Mainz, 2013

  • R. Rodes, M. Müller, B. Li, J. Estarán, J. B. Jensen, T. Gründl, M. Ortsiefer, C. Neumeyr, J. Rosskopf, K. J. Larsen, M.-C. Amann, and I. T. Monroy: „High-Speed 1550 nm Vcsel Data Transmission Link Employing 25 GBd 4-PAM Modulation and Hard Decision Forward Error Correction”, Journal of Lightwave Technology, 31, 689-695, 2013

  • T. Gründl, P. Debernardi, M. Müller, C. Grasse, P. Ebert, K. Geiger, M. Ortsiefer, G. Böhm, R. Meyer, and M.-C. Amann: „Record Single-Mode, High-Power VCSELs by Inhibition of Spatial Hole Burning”, IEEE J. Sel. Topics in Quantum Electron., 19, 1700913, 2013

  • M. Ortsiefer, W. Hofmann, J. Rosskopf, and M.-C. Amann: “Long-Wavelength VCSELs with Buried Tunnel Junction”, Chapter 10 in VCSELs - Fundamentals, Technology and Applications of Vertical-Cavity Surface-Emitting Lasers, Springer Series in Optical Sciences, Vol. 166, ISBN 978-3-642-24985-3

2012

  • M. Müller, P. Wolf, C. Grasse, M. P. I. Dias, M. Ortsiefer, G. Böhm, E. Wong, W. Hofmann, D. Bimberg and M.C. Amann: „1.3 μm Short-Cavity VCSELs Enabling Error-Free Transmission at 25 Gbps over a 25 km Fiber Link”, Electron. Lett., 48, 1487-1489, 2012

  • J. Estarán, R. Rodes, T. T. Pham, M. Ortsiefer, C. Neumeyr, J. Rosskopf, and I. Tafur Monroy: “Quad 14Gbps L-Band VCSEL-based System for WDM Migration of 4-lanes 56 Gbps Optical Data Links”, 38th European Conference on Optical Communication (ECOC), Th.2.B.3, Amsterdam, 2012

  • C. Grasse, M. Müller, T. Gründl, G. Böhm, E. Rönneberg, P. Wiecha, M. Ortsiefer, R. Meyer, and M.-C. Amann: „AlGaInAsPSb-based High-Speed Short-Cavity VCSEL with single-mode Emission at 1.3 μm grown by MOVPE on InP substrate“, 16th International Conference on Metal Organic Vapor Phase Epitaxy, WeP-60,Busan, 2012

  • R. Rodes, J. Estaran, B. Li, M.Müller, J. Jensen, T. Gründl, M. Ortsiefer, C. Neumeyr, J. Rosskopf, K. Larsen, M.-C. Amann, and I. T. Monroy: “100 Gb/s single VCSEL data transmission link”, Optical Fiber Conference (OFC), PDP5D.10, Los Angeles, 2012

  • S. S. Cercós, K. Prince, F. Roubeau, S. Lim, C. Neumeyr, M. Ortsiefer, E. Rönneberg, C. Aupetit-Berthelemot, and I. T.: Monroy: „Free-running L-band VCSEL for 1.25 Gbps hybrid radio-fiber cloud optical interconnects“, Optical Fiber Conference (OFC), Los Angeles, 2012

  • M. Müller, C. Grasse, K. Saller, T. Gründl, G. Böhm, M. Ortsiefer, and M.-C. Amann: „1.3 μm High-Power Short-Cavity VCSELs for High-Speed Applications“, Conference on Lasers and Electro Optics (CLEO), CW3N.2, San Jose, CW3N.2, 2012

  • M. Ortsiefer, C. Neumeyr, J. Rosskopf, T. Gründl, G. Böhm, A. Hangauer, R. Strzoda, C. Gierl, J. Chen, and M.-C. Amann: “Long-wavelength VCSELs for sensing applications”, Proc. of SPIE & Photonics West, San Francisco, Paper 8276-9 (invited talk) , 2012

2011

  • R. Rodes, J. B. Jensen, D. Zibar, C. Neumeyr, E. Rönneberg, J. Rosskopf, M. Ortsiefer, and I. T. Monroy: “Vertical-cavity surface-emitting laser based digital coherent detection for multigigabit long reach passive optical links”, Microwave and Optical Technology Letters, 53, 2462-2464, 2011

  • M. Ortsiefer, J. Rosskopf, C. Neumeyr: „VERTILAS - Achievements and frontiers for VCSELs in TDLS applications“, Field Laser Applications in Industry and Research (FLAIR), Murnau, 2011

  • K. Prince, M. Ma, T. B. Gibbon, C. Neumeyr, E. Rönneberg, M. Ortsiefer, and I. T. Monroy: “Free-Running 1550 nm VCSEL for 10.7 Gb/s Transmission in 99.7 km PON”, Journal of Optical Communications and Networking, 3, 399-403, 2011

  • M. Ortsiefer, „Challenges, solutions and prospects of long-wavelength VCSELs”, Compound Semiconductor Week – 38th International Symposium on Compound Semiconductors (ISCS), 23rd International Conference on Indium Phosphide and Related Materials (IPRM), Berlin, (invited short course), 2011

  • T. Gründl, R. D. Nagel, P. Debernardi, K. Geiger, C. Grasse, M. Ortsiefer, J. Rosskopf , G. Böhm, R. Meyer, and M.-C. Amann, „Novel concept for a Monolithically Integrated MEMS VCSEL”, Indium Phosphide and Related Materials (IPRM), Conference Digest, WE-7.2.2, Berlin, 2011

  • M. Beltrán, J. B. Jensen, X. Yu, R. Llorente, R. Rodes, M. Ortsiefer, C. Neumeyr, and I. T. Monroy: “Performance of a 60-GHz DCM-OFDM and BPSK-Impulse Ultra-Wideband System with Radio-over-Fiber and Wireless Transmission Employing a Directly-Modulated VCSEL”, IEEE Journal on Selected Areas in Communications: Special Issue on Distributed Broadband Wireless Communications, 29, 1295-1303, 2011

  • G. Böhm, A. Bachmann, J. Rosskopf, M. Ortsiefer, J. Chen, A. Hangauer, R. Meyer, R. Strzoda, and M.-C. Amann: “Comparison of InP-and GaSb-based VCSELs emitting at 2.3 µm suitable for carbon monoxide detection”, Journal of Crystal Growth, 323, 442-445, 2011

  • M. Ortsiefer, C. Neumeyr, J. Rosskopf, S. Arafin, G. Böhm, A. Hangauer, J. Chen, R. Strzoda, and M.-C. Amann: “GaSb and InP-based VCSELs at 2.3 µm emission wavelength for tuneable diode laser spectroscopy of carbon monoxide”, Proc. of SPIE Photonics West, San Francisco, Paper 7945-9 (invited talk) , 2011

  • P. Meissner, K. Zogal, C. Gierl, S. Jatta, H. Davani, T. Gründl, C. Grasse, M.-C. Amann, A. Daly, B. Corbett, B. Kögel, Å. Haglund, J. Gustavsson, P. Westbergh, A. Larsson, P. Debernardi, and M. Ortsiefer: “Tuneable VCSELs aiming for the application in interconnects and short haul systems”, Proc. of SPIE & Photonics West, San Francisco, Paper 7959-7 , 2011

2010

  • R. Rodes, J. B. Jensen, D. Zibar, C. Neumeyr, E. Roenneberg, J. Rosskopf, M. Ortsiefer, and I. T. Monroy: ”All-VCSEL based digital coherent detection link for multi Gbit/s WDM passive optical networks”, Optics Express, 18, 24969-24974, 2010

  • T. Gründl, K. Zogal, M. Müller, R. Nagel, S. Jatta, K. Geiger, C. Grasse, G. Böhm, M. Ortsiefer, P. Meissner, and M.C. Amann, ”High-speed high-power VCSELs based on InP suitable for telecommunication and gas sensing”, SPIE Remote Sensing, Security and Defense, paper: 7828-6, Toulouse, 2010

  • G. Böhm, A. Bachmann, J. Rosskopf, M. Ortsiefer, J. Chen, A. Hangauer, R. Meyer, R. Strzoda, and M.-C. Amann: “Comparison of InP- and GaSb-based VCSELs emitting at 2.3 μm suitable for Carbon Monoxide detection”, 16th International Conference on Molecular Beam Epitaxy, Tue B1.1, Berlin, 2010

  • M. Müller, W. Hofmann, A. Nadtochiy, A. Mutig, G. Böhm, M. Ortsiefer, D. Bimberg and M.-C. Amann: „1.55 µm High-Speed VCSELs Enabling Error-Free Fiber Transmission up to 25 Gbit/s”, IEEE 22nd International Semiconductor Laser Conference, WC3, Kyoto, 2010

  • T. B. Gibbon, K. Prince, C. Neumeyr, E. Rönneberg, M. Ortsiefer, and I. T. Monroy: „10 Gb/s 1550 nm VCSEL transmission over 23.6 km SMF with no Dispersion Compensation and no Injection Locking for WDM PONs“, Optical Fiber Conference(OFC), JThA30,San Diego, 2010

  • A. J. Daly, B. J. Roycroft, F. H. Peters, M. Ortsiefer, and B. Corbett: „Dynamics of 1.55 µm buried tunnel junction VCSELs under optical injection around threshold“, Proc. of SPIE Photonics West, San Francisco, Vol. 7615, 7615-25, 2010

  • M. Ortsiefer, M. Görblich, Y. Xu, E. Rönneberg, J. Rosskopf, R. Shau, and M.-C. Amann: „Polarization Control in Buried Tunnel Junction VCSELs Using a Birefringent Semiconductor/Dielectric Subwavelength Grating “, IEEE Photonics Technology Letters, 22, 15-17, 2010

2009

  • P. Meissner, B. Kögel, K. Zogal, S. Jotta, C. Gierl, C. Grasse, T. Gründl, M.-C. Amann, P. Westbergh, A. Larsson, and M. Ortsiefer: „Widely Tuneable Micromachined VCSELs“, 10th Chitose International Forum on Photonics Science & Technology, Chitose, 2009

  • C. Grasse, M. Müller, G. Böhm, R. Enzmann, Y. Xu, M. Görblich, R. Meyer, M. Ortsiefer, and M.-C. Amann, ”Planarization of overgrown tunnel junctions for InP-based VCSEL by MOVPE”, European Workshop on Metalorganic Vapor Phase Epitaxy, paper:EWMOVPE XIII , Ulm, 2009

  • M. Ortsiefer, J. Rosskopf, R. Shau, Y. Xu, M. Görblich, C. Neumeyr, C. Gréus, and E. Rönneberg: „Long-wavelength VCSELs for TDLS applications“, Field Laser Applications in Industry and Research (FLAIR), Garmisch-Partenkirchen, 2009

  • M. Müller, W. Hofmann, G. Böhm, J. Rosskopf, E. Rönneberg, M. Ortsiefer, and M.-C. Amann: „1.55 µm InP-based short-cavity VCSELs with enhanced modulation-bandwidth of 15 GHz”, 35th European Conference on Optical Communication (ECOC), Vienna, 2009

  • W. Hofmann, L. Grüner-Nielsen, E. Rönneberg, G. Böhm, M. Ortsiefer, and M.-C. Amann: „1.55 µm VCSEL Modulation Performance With Dispersion-Compensating Fibers“, IEEE Photonics Technology Letters, 21, 1072-1074, 2009

  • W. Hofmann, N. H. Zhu, M. Görblich, L. Xie, G. Böhm, M. Ortsiefer, and M.-C. Amann: „1.55 µm VCSEL Arrays for Optical Multiple-Input Multiple-Output (MIMO)”, Conference on Lasers and Electro Optics (CLEO), JTUD17, Baltimore, 2009

  • A. Hangauer, J. Chen, R. Strzoda, M. Fleischer, M. Ortsiefer, and M.-C. Amann: „Compact and Calibration-free Carbon Monoxide Sensor Using a 2.3 µm Vertical-Cavity Surface-Emitting Laser”, Sensor + Test, Nürnberg, 2009

  • W. Hofmann, M. Müller, G. Böhm, M. Ortsiefer, and M.-C. Amann: „1.55 µm VCSEL with Enhanced Modulation Bandwidth and Temperature Range“, IEEE Photonics Technology Letters, 21, 923-925, 2009

  • A. Gatto, A. Boletti, P. Boffi, C. Neumeyr, M. Ortsiefer, E. Rönneberg, and M. Martinelli: „1.3-µm VCSEL Transmission Performance up to 12.5 Gb/s for Metro Access Networks“, IEEE Photonics Technology Letters, 21, 778-780, 2009

  • W. Hofmann, M. Müller, G. Böhm, M. Ortsiefer, and M.-C. Amann: "1.55 µm InP-Based VCSEL with Enhanced Modulation Bandwidths > 10 GHz up to 85°C", Optical Fiber Conference(OFC), OTuK5,San Diego, 2009

2008

  • J. Chen, A. Hangauer , R. Strzoda, M. Ortsiefer, M. Fleischer, and M.-C. Amann: „Compact carbon mono-xide sensor using a continuously tunable 2.3 μm single-mode VCSEL“, 21st Annual Meeting of the IEEE Lasers and Electro-Optics Society (LEOS), 721-722, Newport Beach, 2008

  • W. Hofmann, M. Görblich, G. Böhm, M. Ortsiefer, L. Xie, and M.-C. Amann: "Long-Wavelength 2-D VCSEL Arrays for Optical Interconnects", Conference on Lasers and Electro Optics (CLEO), CMW7, San Jose, 2008

  • W. Hofmann, N.-H. Zhu, G. Böhm, M. Ortsiefer, L. Xie, L. Yu, and M.-C. Amann: "Optical MIMO with VCSEL arrays", 2008 IEEE/LEOS, Semiconductor Laser Workshop, Santa Fe, 2008

  • M. Ortsiefer, J. Rosskopf, E. Rönneberg, Y. Xu, K. Maisberger, R. Shau, C. Neumeyr, W. Hofmann, G. Böhm, A. Hangauer, J. Chen, R. Strzoda, and M.-C. Amann: "Extended Near-Infrared Wavelength VCSELs for Optical Sensing", IEEE 21st International Semiconductor Laser Conference, Sorrento, 2008, ISBN: 978-1-4244-1783-4, 167-168

  • W. Hofmann, M. Görblich, M. Ortsiefer, G. Böhm, and M.-C. Amann: "One and Two-dimensional Long-Wavelength VCSEL arrays for WDM Applications and Optical Interconnects", IEEE 21st International Semiconductor Laser Conference, Sorrento, 2008, ISBN: 978-1-4244-1783-4, 165-166

  • W. Hofmann, M. Görblich, M. Ortsiefer, G. Böhm, and M.-C. Amann: "High-Power Long-Wavelength VCSEL Arrays", IEEE 21st International Semiconductor Laser Conference, Sorrento, 2008, ISBN: 978-1-4244-1783-4, 141-142

  • W. Hofmann, M. Ortsiefer, E. Rönneberg, C. Neumeyr, G. Böhm, and M.-C. Amann: "1.3 μm InGaAlAs/InP VCSEL for 10G Ethernet", IEEE 21st International Semiconductor Laser Conference, Sorrento, 2008, ISBN: 978-1-4244-1783-4, 11-12

  • A. Hangauer, J. Chen, R. Strzoda, M. Ortsiefer, and M.-C. Amann: „Wavelength modulation spectroscopy with a widely tunable InP-based 2.3 µm vertical-cavity surface-emitting laser“, Optics Letters, 33, 1566-1568, 2008

  • M. Ortsiefer, W. Hofmann, E. Rönneberg, A. Boletti, A. Gatto, P. Boffi, J. Rosskopf, R. Shau, C. Neumeyr, G. Böhm, M. Martinelli, and M.-C. Amann: "High speed 1.3 µm VCSELs for 12.5 Gbit/s optical interconnects", Electron. Lett., 44, 974-975, 2008

  • S. T. Fard, W. Hofmann, P. T. Fard, G. Böhm, M. Ortsiefer, G. Böhm, E. Kwok, M.C. Amann, and L. Chrostowski: "Optical Absorption Glucose Measurements Using 2.3 µm Vertical-Cavity Semiconductor Lasers", IEEE Photonics Technology Letters, 20, 930-932, 2008

  • W. Hofmann, G. Böhm, M. Ortsiefer, and M.-C. Amann: "Long-wavelength VCSELs and VCSEL arrays for high-speed, high-power and high sensitivity", III. International Conference on Laser Processes and Components (LPC), Shanghai, 2008

  • P. Debernardi, B. Kögel, K. Zogal, P. Meissner, M. Maute, M. Ortsiefer, G. Böhm, and M.C. Amann: "Modal Properties of Long-Wavelength Tunable MEMS-VCSELs With Curved Mirrors: Comparison of Experiment and Modeling", IEEE J. Quantum Electron., 44, 391-399, 2008

  • W. Hofmann, E. Wong, G. Böhm, M. Ortsiefer, N. H. Zhu, and M.-C. Amann: "1.55 µm VCSEL Arrays for High-Bandwidth WDM PONs", IEEE Photonics Technology Letters, 20, 291-293, 2008

  • W. Hofmann, M. Görblich, M. Ortsiefer, G. Böhm, and M.-C. Amann: "Monolithic 2D high-power arrays of long-wavelength VCSELs ", Proc. of SPIE Photonics West, San Jose, Vol. 6908, 6908-06, 1-7, 2008

2007

  • E. Wong, C. Lim, A. G. Prasanna, K. L. Lee, A. Nirmalathas, C. Neumeyr, and M. Ortsiefer, “Simplified base station configuration for fiber-wireless application”, 33rd European Conference on Optical Communication (ECOC), Tu3.3.7, Berlin, 2007

  • W. Hofmann, E. Wong, G. Böhm, M. Ortsiefer, and M.-C. Amann: "1  12 VCSEL Array at 1.55 µm for High-Bandwidth at Metro-Range”, 33rd European Conference on Optical Communication (ECOC), Wed 8.1.3, Berlin, 2007

  • W. Hofmann, G. Böhm, M. Ortsiefer, M. Görblich, C. Lauer, N. H. Zhu, and M.-C. Amann: "Long-wavelength VCSELs for optical networks and trace-gas monitoring”, SPIE Optics East, Boston, 6766-14, 2007

  • W. Hofmann, M. Görblich, M. Ortsiefer, G. Böhm, and M.-C. Amann: "Long-wavelength high-power VCSEL Arrays", European Semiconductor Laser Workshop, Berlin, 2007

  • W. Hofmann, M. Görblich, M. Ortsiefer, G. Böhm, and M.-C. Amann: "Long-wavelength (=1.55 µm) monolithic VCSEL array with >3 W CW output power", Electron. Lett., 43, 2007, 1025-1026

  • M. Ortsiefer, J. Rosskopf, R. Shau, C. Gréus, and E. Rönneberg: "Recent developments and prospects of long-wavelength VCSELs for TDLS applications", Field Laser Applications in Industry and Research (FLAIR), Florence, 2007

  • G. Böhm, M. Grau, O. Dier, K. Windhorn, E. Rönneberg, J. Rosskopf, R. Shau, R. Meyer, M. Ortsiefer, and M.-C. Amann: "Growth of InAs-containing quantum wells for InP-based VCSELs emitting at 2.3 µm", Journal of Crystal Growth, 301-302, 941-944, 2007

  • W. Hofmann, M. Görblich, G. Böhm, M. Ortsiefer, H. Mulatz, and M.-C. Amann: "High-Power 1.55 µm VCSEL Arrays", CLEO Europe/IQEC 2007,CB4-2-TUE pp.1, Munich, 2007

  • W. Hofmann, G. Böhm, M. Ortsiefer, and M.-C. Amann: "Scaling Rules for High-Power 1.55 µm VCSEL Arrays", Conference on Lasers and Electro Optics (CLEO), CTuGG3, Baltimore, 2007

2006

  • M.-C. Amann and M. Ortsiefer: "Long-wavelength (≥ 1.3 µm) InGaAlAs-InP vertical-cavity surface-emitting lasers for applications in optical communication and sensing", Phys. Stat. Sol. (a), 203, 3538-3544, 2006

  • W. Hofmann, G. Böhm, M. Ortsiefer, E. Wong, and M.-C. Amann: "Uncooled High Speed (>11 GHz) 1.55 µm VCSELs for CWDM access networks", 32nd European Conference on Optical Communication, Post-deadline session Th4.5.4, Cannes, 2006

  • W. Hofmann, N. H. Zhu, M. Ortsiefer, G. Böhm, Y. Liu, G. Z. Xu, and M.-C. Amann: "High speed modulation of BCB-passivated 1.55 µm VCSELs", Joint Symposium on Opto- and Microelectronic Devices and Circuits (SODC), Proceedings 119-121, Duisburg, 2006

  • L. Chrostowski, B. Faraji, W. Hofmann, R. Shau, M. Ortsiefer, and M.-C. Amann: "40 GHz Bandwidth and 64 GHz Resonance Frequency in Injection-Locked 1.55 µm VCSELs", IEEE 20th International Semiconductor Laser Conference, Conference Digest 117-118, Hawaii, 2006

  • M. Ortsiefer, M. Grau, J. Rosskopf, R. Shau, K. Windhorn, E. Rönneberg, G. Böhm, W. Hofmann, O. Dier, and M.-C. Amann: "InP-based VCSELs with buried tunnel junction for optical communication and sensing in the 1.3-2.3 µm wavelength range", IEEE 20th International Semiconductor Laser Conference, Conference Digest 113-114, Hawaii, 2006

  • M. Van Uffelen, J. Mols, M. Ortsiefer, and F. Berghmans: “Ionizing radiation effects on long-wavelength VCSELs up to MGy dose levels”, Radiation Effects on Components and Systems (RADECS), Athens, 2006

  • G. Böhm, O. Dier, R. Meyer, M.-C. Amann, M. Grau, K. Windhorn, E. Rönneberg, J. Rosskopf, R. Shau, and M. Ortsiefer: „Growth of InAs-containing quantum wells for InP-based VCSELs emitting at 2.3 µm“, 14th International Conference on Molecular Beam Epitaxy, Conference Digest 104, Tokyo, 2006

  • W. Hofmann, N. H. Zhu, M. Ortsiefer, G. Böhm, Y. Liu, and M.-C. Amann: "High speed (>11 GHz) modulation of BCB-passivated 1.55 µm InGaAlAs-InP VCSELs", Electron. Lett., 42, 2006, 976-977

  • M. Ortsiefer, G. Böhm, M. Grau, K. Windhorn, E. Rönneberg, J. Rosskopf, R. Shau, O. Dier, and M.-C. Amann: "Electrically pumped room temperature CW VCSELs with 2.3 µm emission wavelength", Electron. Lett., 42, 640-641, 2006

  • W. Hofmann, N. H. Zhu, M. Ortsiefer, G. Böhm, J. Rosskopf, L. Chao, S. Zhang, M. Maute, and M.-C. Amann: "10-Gb/s Data Transmission Using BCB Passivated 1.55 µm InGaAlAs-InP VCSELs", IEEE Photonics Technology Letters, 18, 424-426, 2006

  • L. Chrostowski, X. Zhao, C. J. Chang-Hasnain, R. Shau, M. Ortsiefer, and M.-C. Amann: "50-GHz Optically Injection-Locked 1.55-µm VCSELs", IEEE Photonics Technology Letters, 18, 367-369, 2006

2005

  • M. Ortsiefer, S. Baydar, K. Windhorn, G. Böhm, J. Rosskopf, R. Shau, E. Rönneberg, W. Hofmann, and M.-C. Amann: "2.5 mW Single-Mode Operation of 1.55µm Buried Tunnel Junction VCSELs", IEEE Photonics Technology Letters, 17, 1596-1598, 2005

  • M. Ortsiefer, S. Baydar, K. Windhorn, E. Rönneberg, J. Rosskopf, R. Shau, M. Grau, G. Böhm, and M.-C. Amann: "Long-wavelength monolithic VCSEL arrays with high optical output power", Electron. Lett., 41, 807-808, 2005

  • M. Ortsiefer, R. Shau, J. Rosskopf, S. Baydar, K. Windhorn, and E. Rönneberg: "VCSELs in the 1.3-2 µm Wavelength Range for TDLS Applications", 5th International Conference on Tunable Diode Laser Spectroscopy (TDLS), Florence, 2005

  • M.-C. Amann and M. Ortsiefer: "Single-Mode and Wavelength-Tunable Long-Wavelength VCSELs", OptoElectronics and Communications Conference (OECC), Seoul, 2005

  • M. Maute, G. Böhm, M.-C. Amann, F. Riemenschneider, B. Kögel, P. Meissner, and M. Ortsiefer: "Coupled Cavity Phenomena within MEMS-Tunable Long-Wavelength VCSELs", Conference on Lasers and Electro-Optics (CLEO), CThA4, Baltimore, 2005

  • L. Chrostowski, X. Zhao, R. Shau, M. Ortsiefer, M.-C. Amann, and C. J. Chang-Hasnain: "50 GHz Directly–Modulated Injection-Locked 1.55 µm VCSELs", Optical Fiber Conference(OFC), OThM2,Anaheim, 2005

2004

  • H. Halbritter, R. Shau, F. Riemenschneider, B. Kögel, M. Ortsiefer, J. Rosskopf, G. Böhm, M. Maute, M.-C. Amann, and P. Meissner: "Chirp and linewidth enhancement factor of 1.55 µm VCSEL with buried tunnel junction", Electron. Lett., 40, 1266-1268, 2004

  • M. Ortsiefer, M. Lackner, R. Shau, J. Rosskopf, G. Böhm, C. Lauer, M. Maute, F. Winter, and M.C. Amann: "Long-wavelength Vertical-Cavity Surface-Emitting Lasers for Sensing Applications in the 1.4 to 2 µm Wavelength Range", 8th International Conference for Infrared Sensors and Systems (IRS), Nuremberg, 2004

  • X. Zhao, M. Moewe, L. Chrostowski, C.-H. Chang, R. Shau, M. Ortsiefer, M.-C. Amann, and C. J. Chang-Hasnain: "28 GHz optical injection-locked 1.55 µm VCSELs", Electron. Lett., 40, 476-478, 2004

  • L. Chrostowski, X. Zhao, R. Shau, M. Ortsiefer, M.-C. Amann, and C. J. Chang-Hasnain: "Very High Resonance Frequency (>40 GHz) Optical Injection-Locked 1.55 µm VCSELs", International Topical Meeting on Microwave Photonics (MWP), Ogunquit, 2004

  • C. Lauer, M. Ortsiefer, R. Shau, J. Rosskopf, G. Böhm, R. Meyer, and M.-C. Amann: "InP-based long-wavelength vertical-cavity surface-emitting lasers with buried tunnel junction", Phys. Stat. Sol. (C), 1, 2183-2209, 2004

  • C. Lauer, M. Ortsiefer, R. Shau, J. Rosskopf, G. Böhm, E. Rönneberg, F. Köhler, M. Maute, and M.-C. Amann: "80°C Continuous-Wave Operation of 2.01 µm Wavelength InGaAlAs/InP Vertical-Cavity Surface-Emitting Lasers", IEEE Photonics Technology Letters, 16, 2209-2211, 2004

  • R. Shau, M. Ortsiefer, J. Rosskopf, G. Böhm, C. Lauer, M. Maute, and M.-C. Amann, "Long-wavelength InP-based VCSELs with Buried Tunnel Junction: Properties and Applications", Vertical-Cavity Surface-Emitting Lasers VIII,Proceedings of SPIE, 5364, 1-15, 2004

  • M. Maute, F. Riemenschneider, M. Ortsiefer, R. Shau, P. Meissner, and M.-C. Amann: "A Novel 2-Chip Concept for Micro-Mechanically Tunable Long-Wavelength VCSELs for the 1.55 µm Wavelength Range", Photonics Europe, Strasbourg, 2004

  • W. Hofmann, N. H. Zhu, M. Ortsiefer, R. Shau, J. Rosskopf, G. Böhm, C. Qiuan, F. Köhler, M. Maute, C. Lauer, and M.-C. Amann: "High-Speed Vertical-Cavity Laser Diodes at 1.55 µm", Third Joint Symposium on Opto- & Microelectronic Devices and Circuits, Wuhan, 2004

  • M. Maute, F. Riemenschneider, G. Böhm, H. Halbritter, M. Ortsiefer, R. Shau, P. Meissner, and M.-C. Amann: "Micro-Mechanically Tunable Long Wavelength VCSEL with a Buried Tunnel Junction", Electron. Lett., 40, 430-431, 2004

  • C.-H. Chang, L. Chrostowski, M. Moewe, C. J. Chang-Hasnain, R. Shau, M. Ortsiefer, and M.C. Amann: "Injection-Locked 1.55 µm VCSELs with ~23 GHz Bandwidth", Optical Fiber Conference (OFC), Anaheim, 2004

  • C. Lauer, S. Szalay, M. Ortsiefer, R. Shau, J. Rosskopf, G. Böhm, F. Köhler, M. Maute, C. Lin, and M.-C. Amann: "Laser hygrometer using a vertical-cavity surface-emitting laser (VCSEL) with an emission wavelength of 1.84 µm", IEEE Transactions on Instrumentation and Measurement, 54, 1214-1218, 2005

2003

  • M. Ortsiefer, M. Fürfanger, J. Rosskopf, G. Böhm, F. Köhler, C. Lauer, M. Maute, W. Hofmann, and M.-C. Amann: "Singlemode 1.55 µm VCSELs with low threshold and high output power", Electron. Lett., 39, 1731-1732, 2003

  • R. Shau, H. Halbritter, F. Riemenschneider, M. Ortsiefer, J. Rosskopf, G. Böhm, M. Maute, P. Meissner, and M.-C. Amann: "Linewidth of InP-based 1.55 µm VCSELs with buried tunnel junction", Electron. Lett., 39, 1728-1729, 2003

  • M. Ortsiefer, R. Shau, J. Rosskopf, M. Fürfanger, M.-C. Amann, C. Lauer, M. Maute, G. Böhm, M. Lackner, and F. Winter: "InP-based VCSELs in the 1.4-2 µm wavelength range for optical communication and absorption spectroscopy", 16th Annual Meeting of the IEEE Lasers & Electro-Optics Society (LEOS 2003), Proceedings WD4, Tucson, 2003

  • M.-C. Amann and M. Ortsiefer: "Long-wavelength InP-based VCSELs", 29th European Conference on Optical Communication, Proceedings Tu1.5.1, Rimini, 2003

  • C. Lauer, M. Ortsiefer, R. Shau, J. Rosskopf, M. Maute, G. Böhm, F. Köhler, and M.-C. Amann, "Improvement of the differential series resistance of buried tunnel junction (BTJ) VCSELs", European Semiconductor Laser Workshop, Turin, 2003

  • M. Ortsiefer, R. Shau, M. Lackner, G. Totschnig, F. Winter, J. Rosskopf, C. Lauer, and M.-C. Amann: "Long-wavelength vertical-cavity surface-emitting lasers for molecular absorption spectroscopy in the 1.5-2 µm range", 4th International Conference on Tunable Diode Laser Spectroscopy (TDLS), Conference Digest 33, Zermatt, 2003

  • M. Lackner, G. Totschnig, F. Winter, R. Shau, J. Rosskopf, M. Ortsiefer, and M.C. Amann: "Pollutant reduction by in-situ combustion diagnostics at high pressures using a novel near infrared diode laser, the vertical-cavity surface-emitting laser (VCSEL)", CLEAN AIR, Lisbon, 2003

  • M. Lackner , G. Totschnig, F. Winter, R. Shau, M. Ortsiefer, J. Rosskopf, and M.C. Amann: "Spektroskopischer Einsatz neuer, langwelliger (bis 2 µm) Diodenlaser (VCSEL) für schwierige Bedingungen", Technisches Messen, 6, 294-305, 2003

  • M. Lackner, G. Totschnig, F. Winter, R. Shau, J. Rosskopf, M. Ortsiefer, and M.-C.Amann: "Rapid high resolution absorption spectroscopy using long wavelength InP-based VCSELs at 1.54 µm (NH3), 1.68 µm (CH4) and 1.80 µm (H2O, HCl)", Conference on Lasers and Electro-Optics (CLEO), Baltimore, 2003 

  • G. Totschnig, M. Lackner, F. Winter, R. Shau, M. Ortsiefer, J. Rosskopf, and M.C. Amann: "High speed vertical-cavity surface-emitting laser (VCSEL) absorption spectroscopy of ammonia (NH3) near 1.54 µm", Applied Physics B, 76, 603-608, 20033

  • G. Totschnig, M. Lackner, R. Shau, M. Ortsiefer, J. Rosskopf, M.-C. Amann, and F. Winter: "1.8 µm vertical-cavity surface-emitting laser absorption measurements of HCl, H2O and CH4", Meas. Sci. Technol., 14, 472-478, 2003

  • M. Ortsiefer, R. Shau, J. Rosskopf, M. Fürfanger, M.-C. Amann, C. Lauer, M. Maute, G. Böhm, M. Lackner, and F. Winter: "InP-based VCSELs in the 1.4 to 2 µm wavelength range for optical communication and absorption spectroscopy", Lasers and Electro-Optics Society (LEOS), 16th Annual Meeting, 2, 505-506, 2003

  • C. Lauer, M. Ortsiefer, R. Shau, J. Rosskopf, G. Böhm, M. Maute, F. Köhler, and M.-C. Amann: "Electrically pumped room temperature CW-VCSELs with emission wavelength of 2 µm", Electron. Lett., 39, 57-58, 2003

  • M. Lackner, G. Totschnig, F. Winter, M. Ortsiefer, M.-C. Amann, R. Shau, and J. Rosskopf: "Demonstration of methane spectroscopy using a vertical-cavity surface-emitting laser at 1.68 µm with up to 5 MHz repetition rate", Meas. Sci. Technol., 14, 101-106, 2003

  • M. Ortsiefer, R. Shau, J. Rosskopf, and M.-C. Amann: "Long-wavelength InP-based VCSELs", chapter 12 in Vertical-Cavity Surface-Emitting Laser Devices, Springer ISBN 3-540-67851-4, 367-381, 2003

2002

  • M. Ortsiefer, R. Shau, F. Mederer, R. Michalzik, J. Rosskopf, G. Böhm, F. Köhler, C. Lauer, M. Maute, and M.-C. Amann: "High-speed modulation up to 10 Gbit/s with 1.55 µm wavelength InGaAlAs VCSELs", Electron. Lett., 38, 1180-1181, 2002

  • R. Shau, M. Ortsiefer, J. Rosskopf, G. Böhm, F. Köhler, and M.-C. Amann: "InP-based vertical-cavity surface-emitting lasers with high output power and large modulation bandwidth", IEEE 18th International Semiconductor Laser Conference, Conference Digest 143-144, Garmisch-Partenkirchen, 2002

  • G. Böhm, M. Ortsiefer, R. Shau, J. Rosskopf, R. Meyer, F. Mederer, and M.-C. Amann: "InP-based VCSEL technology covering the wavelength range from 1.3 to 2 µm", International Conference on Molecular Beam Epitaxy, Conference Digest 79-80, San Francisco, 2002

  • M. Ortsiefer, R. Shau, F. Mederer, R. Michalzik, J. Rosskopf, G. Böhm, F. Köhler, C. Lauer, M. Maute, M.-C. Amann: "High-speed data transmission with 1.55 µm vertical-cavity surface-emitting lasers", 28th European Conference on Optical Communication (ECOC), Post-deadline session PD4.9, Copenhagen, 2002

  • M.-C. Amann, M. Ortsiefer: "Long-wavelength InP-based VCSELs", 5th International Conference on Mid-Infrared Optoelectronic Materials and Devices, Annapolis / Maryland, 2002

  • M. Ortsiefer, M.-C. Amann: "Long-wavelength InP-based vertical-cavity surface-emitting lasers", Conference on Lasers and Electro-Optics (CLEO), Technical Digest 437, ISBN 1-55752-705-9, Long Beach, 2002

2001

  • M. Ortsiefer, R. Shau, G. Böhm, F. Köhler, J. Rosskopf, and M.-C. Amann: "Thermal conductivity analysis and device performance of 1.55 µm InGaAlAs/InP buried tunnel junction VCSELs", Phys. Stat. Sol. (A), 188, 913-919, 2001

  • R. Shau, M. Ortsiefer, J. Rosskopf, G. Böhm, F. Köhler, and M.-C. Amann: "Vertical-cavity surface-emitting laser diodes at 1.55 µm with large output power and high operation temperature", Electron. Lett., 37, 1295-1296, 2001

  • R. Shau, M. Ortsiefer, and M.-C. Amann: "InP-based long-wavelength VCSELs with buried tunnel junction", European Semiconductor Laser Workshop, Ghent, 2001

  • M. Ortsiefer and M.-C. Amann: "Recent progress of long wavelength VCSEL research", International Conference on Solid State Devices and Materials, Conference Digest 592-593, Tokyo, 2001

  • M. Ortsiefer, R. Shau, G. Böhm, F. Köhler, J. Rosskopf, G. Steinle, C. Degen, and M.-C. Amann: "High-temperature 2.5 Gb/s vertical-cavity surface-emitting lasers at 1.55 µm wavelength", 27th European Conference on Optical Communication, Amsterdam, 2001

  • M.-C. Amann, M. Ortsiefer, R. Shau, J. Rosskopf, F. Köhler, and G. Böhm: "Long-wavelength buried-tunnel-junction vertical-cavity surface-emitting lasers", Advances in Solid State Physics, 41, Springer ISBN 3-540-42000-2, 75-85, 2001

  • G. Böhm, M. Ortsiefer, R. Shau, F. Köhler, R. Meyer, and M.-C. Amann: "AlGaInAs/InP-epitaxy for long wavelength vertical-cavity surface-emitting lasers", Journal of Crystal Growth, 319-323, 2001

  • M.-C. Amann, M. Ortsiefer: "InP-based VCSELs for 1.55 µm wavelength range", Indium Phosphide and Related Materials (IPRM), Conference Digest 15-16, Nara, 2001

  • M. Ortsiefer "Langwellige Vertikalresonator-Laserdioden im Materialsystem InGaAlAs/InP", „Selected Topics of Semiconductor Physics and Technology“, 35, ISBN 3-932749-35-3, 2001

  • M. Ortsiefer, R. Shau, G. Böhm, F. Köhler, J. Rosskopf, and M.-C. Amann: "Design and technology of long-wavelength InP based VCSELs", 10th European Conference on Integrated Optics, International Workshop on Microcavity Light Sources, Paderborn, 2001

  • M. Ortsiefer, R. Shau, M.-C. Amann: "Buried tunnel-junction long-wavelength vertical-cavity surface-emitting lasers", Optics in Information Systems, 12, 12, 2001

  • M. Ortsiefer, R. Shau, G. Böhm, M. Zigldrum, J. Rosskopf, F. Köhler, and M.-C. Amann: "90°C Continuous-wave operation of 1.83-µm vertical-cavity surface-emitting lasers", IEEE Photon. Technol. Lett., 12, 1435-1437, 2000

  • M. Ortsiefer, R. Shau, G. Böhm, F. Köhler, M. Zigldrum, J. Rosskopf, and M.-C. Amann: "Index-guided long-wavelength InGaAlAs/InP vertical-cavity surface-emitting lasers", Advances in Solid State Physics, 40, Springer ISBN 3-528-03164-6, 577-586, 2000

  • R. Shau, M. Ortsiefer, G. Böhm, F. Köhler, and M.-C. Amann: "InP-based vertical-cavity surface-emitting lasers for 1.5-1.8 µm wavelength range", IEEE 17th International Semiconductor Laser Conference, Conference Digest 153-154, Monterey, 2001

2000

  • M.-C. Amann, M. Ortsiefer, R. Shau, G. Böhm, F. Köhler, M. Zigldrum, and J. Rosskopf: "High-performance vertical-cavity surface-emitting lasers for telecommunication wavelengths", 26th European Conference on Optical Communication (ECOC), Munich, 2000

  • G. Böhm, M. Ortsiefer, R. Shau, F. Köhler, R. Meyer, and M.-C. Amann: "AlGaInAs/InP-epitaxy for long wavelength vertical-cavity surface-emitting lasers", International Conference on Molecular Beam Epitaxy, Conference Digest 115, Beijing, 2000

  • R. Shau, M. Ortsiefer and M.-C. Amann: "InP-based VCSELs for 1.5-1.8 µm wavelength range", European Semiconductor Laser Workshop, Berlin, 2000

  • R. Shau, M. Ortsiefer, M. Zigldrum, J. Rosskopf, G. Böhm, F. Köhler, and M.-C. Amann: "Low-threshold InGaAlAs/InP vertical-cavity surface-emitting laser diodes for 1.8 µm wavelength range", Electron. Lett., 36, 1286-1287, 2000

  • M. Ortsiefer, R. Shau, M. Zigldrum, G. Böhm, F. Köhler, M.-C. Amann: "Submilliamp long-wavelength InP-based vertical-cavity surface-emitting laser with stable linear polarisation", Electron. Lett., 36, 1124-1126, 2000

  • M. Ortsiefer, R. Shau, G. Böhm, F. Köhler, and M.-C. Amann: "Room-temperature cw 1.5 µm InGaAlAs/InP vertical-cavity laser with high efficiency", Conference on Lasers and Electro-Optics (CLEO), postdeadline CPD 11-1 / 21, San Franciso, 2000

  • M. Ortsiefer, R. Shau, G. Böhm, F. Köhler, and M.-C. Amann: "Low-threshold index-guided 1.5 µm long-wavelength vertical-cavity surface-emitting laser with high efficiency", Appl. Phys. Lett., 76, 2179-2181, 2000

  • M. Ortsiefer, R. Shau, G. Böhm, F. Köhler, G. Abstreiter, and M.-C. Amann: "Low-resistance InGa(Al)As tunnel junctions for long-wavelength vertical-cavity surface-emitting lasers", Jpn. J. Appl. Phys., 39, 1727-1729, 2000

  • M. Ortsiefer, R. Shau, G. Böhm, F. Köhler, and M.-C. Amann: "Room-temperature operation of index-guided 1.55 µm InP-based vertical-cavity surface-emitting laser", Electron. Lett., 36, 437-438, 2000

  • M. Ortsiefer, R. Shau und M.-C. Amann: "InP-basierende VCSELs für Telekommunikationswellenlängen", DPG-Frühjahrstagung, HL 29.2, Regensburg, 2000

1999

  • M.-C. Amann, M. Ortsiefer, and R. Shau: "Low-resistive tunneling contacts for InP based 1.55 µm VCSELs", European Semiconductor Laser Workshop, Paris, 1999

  • M. Ortsiefer, M. Lohner, R. Shau, G. Böhm, and M.-C. Amann: "Low-resistance InGaAs tunnel junctions on InP for long-wavelength VCSELs", Semiconductor and Integrated Optoelectronics (SIOE), Cardiff, 1999