Personal papers Dr. Johannes Koeth

InAs-based distributed feedback interband cascade lasers;
M. Dallner, J. Scheuermann, L. Nähle, M. Fischer, J. Koeth, S. Höfling, M. Kamp, Appl. Phys. Lett. 107, 2015, 181105.

Single-mode interband cascade lasers emitting below 2.8 μm;
J. Scheuermann, R. Weih, M. v. Edlinger, L. Nähle, M. Fischer, J. Koeth, M. Kamp, S. Höfling, Appl. Phys. Lett. 106, 2015, 161103.

High power pulsed 976 nm DFB laser diodes;
W. Zeller, M. Kamp, J. Koeth, L. Worschech, Proc. SPIE 7682, Photonic Microdevices/Microstructures for Sensing II, 76820T, 2010.

Single-frequency Sb-based distributed-feedback lasers emitting at 2.3 µm above room temperature for application in tunable diode laser absorption spectroscopy;
A. Salhi, D. Barat, D. Romanini, Y. Rouillard, A. Ouvrard, R. Werner, J. Seufert, J. Koeth, A. Vicet, A. Garnache, Appl. Opt., 45, 20., pp. 4957-4965.

QCL based NO Detection;
M. Wolff, J. Koeth, L. Hildebrandt, P. Fuchs; 16th International Conference on Photoacoustic and Photothermal Phenomena.

Detection of Methane Isotopologues – cw-OPO vs. DFB Diode Laser;
M. Wolff, S. Rhein, H. Bruhns, J. Koeth, L. Hildebrandt, P. Fuchs, 16th International Conference on Photoacoustic and Photothermal Phenomena.

Continuous-wave operation of type-I quantum well DFB laser diodes emitting in 3.4 µm wavelength range around room temperature;
L. Naehle, S. Belahsene, M. von Edlinger, M. Fischer, G. Boissier, P. Grech, G. Narcy, A. Vicet, Y. Rouillard, J. Koeth and L. Worschech, Electron. Lett. 47, 1, Jan 2011, pp. 46-47.

DFB Lasers Between 760 nm and 16 µm for Sensing Applications;
W. Zeller, L. Naehle, P. Fuchs, F. Gerschuetz, L. Hildebrandt, J. Koeth, Sensors 2010, 10, pp. 2492-2510.

Advanced Gas Sensing Applications Above 3 µm with DFB Laser Diodes;
L. Naehle, L. Hildebrandt, M. Fischer, J. Koeth, Gases & Instrumentation, March/April 2012, pp. 25-28.

Interband cascade laser sources in the mid-infrared for green photonics;
J. Koeth, M. von Edlinger, J. Scheuermann, S. Becker, L. Nähle, M. Fischer, R. Weih, M. Kamp, S. Höfling, Proc. SPIE 9767, Novel In-Plane Semiconductor Lasers XV, 976712, March 10, 2016. 

Single mode interband cascade lasers based on lateral metal gratings; R. Weih, L. Naehle, Sven Hoefling, J. Koeth, M. Kamp, Appl. Phys. Lett., 08/2014

Demonstration of an Ethane Spectrometer for Methane Source Identification; T.I. Yacovitch, S.C. Herndon, J.R. Roscioli, C. Floerchinger, R.M. McGovern, M. Agnese, G. Petron, J. Kofler, C. Sweeney, A. Karion, S.A. Conley, E.A. Kort, L. Naehle, M. Fischer, L. Hildebrandt, J. Koeth, B.J. McManus, D.D. Nelson, M.S. Zahniser, C.E. Kolb, Environmental Science and Technology, 48, 14, 2014, pp. 8028–8034

Distributed feedback interband cascade lasers for spectroscopy from 3-6 μm; L. Naehle, C. Zimmermann, M. v.  Edlinger, J. Scheuermann, M. Fischer, L. Hildebrandt, J. Koeth, R. Weih, S. Hoefling, M. Kamp, Proc. SPIE 9101, Next-Generation Spectroscopic Technologies VII, 91010G, May 21, 2014

Measurement of the D/H, 18O/16O, and 17O/16O Isotope Ratios in Water by Laser Absorption Spectroscopy at 2.73 μm; T. Wu, W. Chen, E. Fertein, P. Masselin, X. Gao, W. Zhang, Y. Wang, J. Koeth, D. Brueckner, X. He,  Sensors, 05/2014, pp. 9027-9045

Distributed Feedback Interband Cascade Laser at 3550 nm for Formaldehyde Measurements; M. v.  Edlinger, J. Scheuermann, L. Naehle, L. Hildebrandt, M. Fischer, J. Koeth, R. Weih, S. Hoefling, M. Kamp, Appl. Ind. Opt.: Spectroscopy, Imaging and Metrology, 01/2014

Photonic Crystal Laser Based Gas Sensor; M. Wolff, H. Bruhns, J. Koeth, W. Zeller, L. Naehle; Optical Sensors - New Developments and Practical Applications, 01/2014, chapter 4, pp. 67-81

Monomode Interband Cascade Lasers at 5.2 µm for Nitric Oxide Sensing; M. v.  Edlinger, J. Scheuermann, R. Weih, C. Zimmermann, L. Nahle, M. Fischer, J. Koeth, S. Hoefling, M. Kamp, IEEE Phot. Tech. Lett. 26, 5, 01/2014, pp. 480-482

Distributed Feedback Interband Cascade Lasers and their Spectroscopic Applications in Gas Sensing; L. Hildebrandt, M. v.  Edlinger, J. Scheuermann, L. Naehle, M. Fischer, J. Koeth, M. Kamp, R. Weih, S. Hoefling, Laser Applications to Chemical, Security and Environmental Analysis; 01/2014

DFB interband cascade lasers for tunable laser absorption spectroscopy from 3 to 6 μm; M. v.  Edlinger, J. Scheuermann, L. Naehle, C. Zimmermann, L. Hildebrandt, M. Fischer, J. Koeth, R. Weih, S. Hoefling, M. Kamp, Proc. SPIE 8993, Quantum Sensing and Nanophotonic Devices XI, 899318, 12/2013

Photoacoustic Methane Detection using a novel DFB-type Diode Laser at 3.3 µm; M. Wolff, S. Rhein, H. Bruhns, L. Naehle, M. Fischer, J. Koeth, Sensors and Actuators B Chemical 10/2013, 187, pp. 574-577

Monolithic wide tunable laser diodes for gas sensing at 2100 nm; N. Koslowski, A. Heger, K. Roessner, M. Legge, J. Koeth, L. Hildebrandt, Proc. SPIE 8640, Novel In-Plane Semiconductor Lasers XII, 864008, March 2013

Demonstration of the self-mixing effect in interband cascade lasers; K. Bertling, Y.L. Lim, T. Taimre, D. Indjin, P. Dean, R. Weih, S. Hoefling, M. Kamp, M. v.  Edlinger, J. Koeth, A.D. Rakic, Appl. Phys. Lett. 103, 23, 01/2013, pp. 231107-231107-3

Sensing of formaldehyde using a distributed feedback interband cascade laser emitting around 3493 nm; S. Lundqvist, P. Kluczynski, R. Weih, M. v.  Edlinger, L. Naehle, M. Fischer, A. Bauer, S. Hoefling, J. Koeth, Appl. Opt. 51, 25, 09/2012, pp. 6009-6013

Quartz enhanced photoacoustic spectroscopy with a 3.38 μm antimonide distributed feedback laser; M. Jahjah, S. Belahsene, L. Naehle, M. Fischer, J. Koeth, Y. Rouillard, A. Vicet, Optics Lett. 37, 13, 07/2012, pp. 2502-2504

Detection of propane using tunable diode laser spectroscopy at 3.37 μm; P. Kluczynski, S. Lundqvist, S. Belahsene, Y. Rouillard, L. Naehle, M. Fischer, J. Koeth, Appl. Phys. B, 108, 1, 07/2012

Single mode quantum cascade lasers with shallow-etched distributed Bragg reflector; P. Fuchs, Jochen Friedl, S. Hoefling, J. Koeth, A. Forchel, L. Worschech, M. Kamp, Optics Express, 20, 4, 02/2012, pp. 3890-3897

Continuous wave, distributed feedback diode laser based sensor for trace-gas detection of ethane; K. Krzempek, R. Lewicki, L. Naehle, M. Fischer, J. Koeth, S. Belahsene, Y. Rouillard, L. Worschech, F. K. Tittel,  Appl. Phys. B, 106, 2, 02/2012

Sensitive Detection of Ethane using Tunable Laser Diode Absorption Spectroscopy Near 3.3 µm; R. Lewicki, K. Krzempek, L. Naehle, J. Koeth, J. Gupta, F. Tittel, Laser Applications to Chemical, Security and Environmental Analysis; 01/2012

Quantum well lasers emitting between 3.0 and 3.4 μm for gas spectroscopy; Y. Rouillard, S. Belahsene, M. Jahjah, G. Boissier, P. Grech, G. Narcy, A. Vicet, L. Naehle, M. v. Edlinger, M. Fischer, J. Koeth, Proc. SPIE 8268, Quantum Sensing and Nanophotonic Devices IX, 82681E, Jan. 2012

Detection of acetylene impurities in ethylene and polyethylene manufacturing processes using tunable diode laser spectroscopy in the 3-μm range; P. Kluczynski, M. Jahjah, L. Naehle, O. Axner, S. Belahsene, M. Fischer, J. Koeth, Y. Rouillard, J. Westberg, A. Vicet, S. Lundqvist, Appl. Phys. B, Issue 2, 2011, pp. 427-434

Monolithic tunable GaSb-based lasers at 3.3 μm; L. Naehle, C. Zimmermann, S. Belahsene, M. Fischer, G. Boissier, P. Grech, G. Narcy, S. Lundqvist, Y. Rouillard, J. Koeth, M. Kamp, L. Worschech, Electronics Lett. 47, no.19, September 15 2011, pp.1092,1093

Distributed feedback quantum cascade lasers at 13.8 µm on indium phosphide; P. Fuchs, J. Semmel, J. Friedl, S. Hoefling, J. Koeth, L. Worschech, A. Forchel, Appl. Phys. Lett. 98, no.21, May 2011, pp. 211118,211118-3

Temperature Dependence of Dynamic Properties and Tolerance to Optical Feedback of High-Speed 1.3- m DFB Quantum-Dot Lasers; S. Azouigui, D.-Y. Cong, A. Martinez, K. Merghem, Q. Zou, J.-G. Provost, B. Dagens, M. Fischer, F. Gerschuetz, J. Koeth, I. Krestnikov, A. Kovsh, A. Ramdane, IEEE Phot. Tech. Lett. 23, no.9, May 2011, pp.582-584

Acetylene measurement using quantum cascade lasers at 14μm; J. Herbst, B. Scherer, F. Singer, J. Erb, A. Lambrecht, C. Rathke, S. Filip, J. Kappler, P. Fuchs, J. Koeth, J. Friedl, T. W. Schlereth, J. Semmel, S. Hoefling, L. Worschech, A. Forchel, Proc. SPIE 7945, Quantum Sensing and Nanophotonic Devices VIII, 79450J, Jan. 2011

DFB lasers for sensing applications in the 3.0-3.5 um wavelength range; M. Fischer, M. v.  Edlinger, L. Naehle, J. Koeth, A. Bauer, M. Dallner, S. Hoefling, L. Worschech, A. W. B. Forchel, S. Belahsene, Yves Rouillard; Proc. SPIE 7945, Quantum Sensing and Nanophotonic Devices VIII, 79450E, Jan. 2011

Continuous-wave operation of type-I quantum well DFB laser diodes emitting in 3.4 μm wavelength range around room temperature; L. Naehle, S. Belahsene, M. v.  Edlinger, M. Fischer, G. Boissier, P. Grech, G. Narcy, A. Vicet, Y. Rouillard, J. Koeth, L. Worschech, Electronics Lett. 47, 1, 01/2011, pp. 46-47

Evaluation of the radiation hardness of GaSb-based laser diodes for space applications; I. Esquivias, J.-M.G. Tijero, J. Barbero, D. Lopez, M. Fischer, K. Roessner, J. Koeth, 12th European Conference on Radiation and Its Effects on Components and Systems (RADECS), 2011

Laser Diodes for Gas Sensing Emitting at 3.06 m at Room Temperature; S. Belahsene, L. Naehle, M. Fischer, J. Koeth, G. Boissier, P. Grech, G. Narcy, A. Vicet, Y. Rouillard, IEEE Phot. Tech. Lett. 22, no.15, Aug.1, 2010, pp. 1084-1086

Mid infrared interband cascade lasers for sensing applications; L. Naehle, P. Fuchs, M. Fischer, J. Koeth, A. Bauer, M. Dallner, F. Langer, S. Hoefling, A. Forchel, Appl. Phys. B, 100, 2, 08/2010, pp. 275-278

High Power DFB Laser for Trace Gas Concentration and Precision Metrology; L. Hildebrandt, J. Koeth, M. Fischer, M. Legge, J. Seufert, K. Roessner, C. Zimmermann, W. Zeller, Optical Sensors; 06/2010

DFB Lasers from 760 nm to 3400 nm for Sensing Applications; L. Hildebrandt, W. Zeller, L. Naehle, P. Fuchs, C. Zimmermann, J. Koeth, Optical Remote Sensing of the Environment; 06/2010

Simultaneous Measurements of H2O and CO2 Isotope Ratios Using 2.73 µm Laser Spectrometer; T. Wu, W. Chen, E. Kerstel, E. Fertein, X. Gao, J. Koeth, K. Roessner, D. Brueckner, D. Duclerc, Conference on Lasers and Electro-Optics, 05/2010

Interband cascade lasers for wavelength specific applications in the 3–4 µm spectral range; A. Bauer, M. Dallner, M. Kamp, S. Höfling, L. Worschech, A. Forchel, L. Nähle, P. Fuchs, M. Fischer, J. Koeth, M. Motyka, G. Sek, Conference on Lasers and Electro-Optics, San Jose, 05/2010

High temporal resolution and high precision measurements of water isotopologue ratios by laser absorption spectrometry using Kalman filter; T. Wu, W. Chen, E. Kerstel, E. Fertein, X. Gao, W. Zhang, Y. Wang, J. Koeth, K. Roessner, D. Brueckner, Geophysical Research Abstracts, Vol. 12, EGU2010-4169

DFB laser diodes for sensing applications using photoacoustic spectroscopy; J. Koeth, M. Fischer, M. Legge, J. Seufert, K. Roessner, H. Groninga, Journal of Physics Conference Series 214, 1, 04/2010, 012038

High-power pulsed 976-nm DFB laser diodes; W. Zeller, M. Kamp, J. Koeth, L. Worschech, Proc. SPIE 7682, Photonic Microdevices/Microstructures for Sensing II, 76820T, April 28, 2010

DFB lasers between 760 nm and 16 μm for sensing applications; W. Zeller, L. Naehle, P. Fuchs, F. Gerschuetz, L. Hildebrandt, J. Koeth, Sensors, 10, 4, 04/2010, pp. 2492-2510

Kalman filtering real-time measurements of H2O isotopologue ratios by laser absorption spectroscopy at 2.73 µm; T. Wu, W. Chen, E. Kerstel, E. Fertein, X. Gao, J. Koeth, K. Roessner, D. Brueckner, Optics Lett., 35, 5, 03/2010; pp. 634-636

Real Time Determination of Water Isotope Ratios by Laser Absorption Spectroscopy at 2.73 µm Using Kalman Filter; T. Wu, W. Chen, E. Kerstel, E. Fertein, P. Masselin, X. Gao, J. Koeth, K. Roessner, D. Brueckner, Laser Applications to Chemical, Security and Environmental Analysis, San Diego, 02/2010

High power DFB laser diodes; W. Zeller, M. Kamp, J. Koeth, Proc. SPIE 7583, High-Power Diode Laser Technology and Applications VIII, 75830R, Feb. 17, 2010

Short injector interband cascade lasers in the 3.3–3.6 µm spectral range; A. Bauer, M. Dallner, L. Naehle, M. v. Edlinger, M. Fischer, J. Koeth, M. Kamp, S. Hoefling, L. Worschech, A. Forchel, Conference Digest - IEEE International Semiconductor Laser Conference 01/2010

Simultaneous measurements of H2O and CO2 isotope ratios using 2.73 µm laser spectrometer; T. Wu, W. Chen, E. Kerstel, E. Fertein, X. Gao, J. Koeth, K. Rössner, D. Bruekner, D. Duclerc, Conference on Lasers and Electro-Optics: Applications  01/2010

Widely tunable quantum cascade lasers with coupled cavities for gas detection; P. Fuchs, J. Seufert, J. Koeth, J. Semmel, S. Hoefling, L. Worschech, A. Forchel, Appl. Phys. Lett. 97, 2010, p. 181111

GaInNAs-Based High-Power and Tapered Laser Diodes for Pumping Applications; D. Bisping, D. Pucicki, M. Fischer, J. Koeth, C. Zimmermann, P. Weinmann, S. Hoefling, M. Kamp, A. Forchel, IEEE Journal of Selected Topics in Quantum Electronics 15, no.3, May-June 2009, pp. 968-972

Widely tunable laterally coupled distributed feedback laser diodes for multispecies gas analysis based on InAs/InGaAs quantum-dash material; W. Zeller, M. Legge, J. Seufert, R. Werner, M. Fischer, J. Koeth, Appl. Opt. B, 48, 4, 03/2009, pp. 51-56

Excitable phase slips in an injection-locked single-mode quantum-dot laser; B. Kelleher, D. Goulding, S. P. Hegarty, G. Huyet, D.-Y. Cong, A. Martinez, A. Lemaître, A. Ramdane, M. Fischer, F. Gerschuetz, J. Koeth, Optics Lett., 34, 4, 03/2009, pp. 440-442

Widely tunable photonic crystal coupled cavity laser diodes based on quantum-dash active material; L. Naehle, C. Zimmermann, W. Zeller, K. Brueckner, H. Sieber, J. Koeth, S. Hein, S. Hoefling, A. Forchel, Conference Proceedings - International Conference on Indium Phosphide and Related Materials 01/2009

High-Temperature High-Power Operation of GaInNAs Laser Diodes in the 1220–1240-nm Wavelength Range; D. Bisping, D. Pucicki, S. Hoefling, S. Habermann, D. Ewert, M. Fischer, J. Koeth, A. Forchel, IEEE Phot. Tech. Lett. 20, no.21, Nov. 1, 2008, pp. 1766-1768

Frequency-Dependent Linewidth Enhancement Factor of Quantum-Dot Lasers; S. Gerhard, C. Schilling, F. Gerschuetz, M. Fischer, J. Koeth, I. Krestnikov, A. Kovsh, M. Kamp, S. Hoefling, A. Forchel, IEEE Phot. Tech. Lett. 20, no.20, Oct. 15, 2008, pp.1736-1738

2 µm Mode-Locked Semiconductor Disk Laser Synchronously Pumped Using an Amplified Diode Laser; A. Harkonen, J. Rautiainen, L. Orsila, M. Guina, K. Roszner, M. Hummer, T. Lehnhardt, M. Mueller, A. Forchel, M. Fischer, J. Koeth, O. G. Okhotnikov, IEEE Phot. Tech. Lett. 20, no.15, Aug. 1, 2008, pp. 1332-1334

Temperature Insensitive 1305 nm InGaAs/GaAs Quantum Dot Distributed Feedback Lasers; F. Gerschuetz, M. Fischer, J. Koeth, I. Krestnikov, A. Kovsh, A. Forchel, Conference on Lasers and Electro-Optics, San Jose, 05/2008

1.3 micron quantum dot laser in coupled-cavity-injection-grating design with bandwidth of 20 GHz under direct modulation; F. Gerschuetz, M. Fischer, J. Koeth, I. Krestnikov, A. Kovsh, C. Schilling, W. Kaiser, S. Hoefling, A. Forchel, Optics Express, 16, 8, 05/2008, pp. 5596-5601

Widely Tunable Quantum-Dash DFB Laser Diodes for Multi-Species Gas Analysis; W. Zeller, J. Koeth, M. Legge, M. Fischer, J. Seufert, R. Werner, Laser Applications to Chemical, Security and Environmental Analysis, St. Petersburg, Florida United States, 03/2008

Singlemode emission at 2 μm wavelength with InP based quantum dash DFB lasers; W. Zeller, M. Legge, A. Somers, W. Kaiser, J. Koeth, A. Forchel, Electronics Lett. 44, Issue 5, 28 February 2008, pp. 354–356

Quantum-dot lasers provide high performance near 1.15 microns; J. Koeth, SPIE Newsroom 01/2008

DFB laser diodes and quantum cascade lasers for sensors in safeguard applications; J. Seufert, M. Fischer, M. Legge, K. Roessner, R. Werner, J. Hildenbrand, J. Herbst, A. Lambrecht, J. Koeth, Proc. SPIE 7114, Electro-Optical Remote Sensing, Photonic Technologies, and Applications II, 71140K, Oct. 07, 2008

Frequency dependent Henry-factor measurements of quantum dot distributed feedback lasers; S. Gerhard, C. Schilling, F. Gerschuetz, M. Fischer, J. Koeth, I. Krestnikov, A. Kovsh, M. Kamp, S. Hoefling, A. Forchel, Nano-Optoelectronics Workshop, 2008, i-NOW 2008, International, Aug. 2 – 15, 2008, pp. 319-320

1240nm GaInNAs high power laser diodes; D. Bisping, D. Pucicki, S. Hoefling, S. Habermann, D. Ewert, M. Fischer, J. Koeth, C. Zimmermann, P. Weinmann, M. Kamp, A. Forchel, Semiconductor Laser Conference, 2008, ISLC 2008, IEEE 21st International, 01/2008

High performance quantum dot distributed feedback laser diodes around 1.15 µm; J. Koeth, M. Fischer, M. Legge, J. Seufert, R. Werner, Proc. SPIE 6909, Novel In-Plane Semiconductor Lasers VII, 690904, Jan. 31, 2008

240nm high-power GaInNAs laser diodes; D. Bisping, S. Schneider, S. Hoefling, S. Habermann, M. Fischer, J. Koeth, A. Forchel, Optics Express, 15, 23, 12/2007, pp. 15187-15192

GaSb/AlGaSb VCSEL structures and microcavities in the 1.5 μm wavelength range; J. Koeth, R. Dietrich, J. P. Reithmaier, A. Forchel, Advances in Solid State Physics, Vol. 40, 2000, pp. 627-639

Remote gas sensing with long wavelength DFB laser diodes; J. Koeth, M. Fischer, M. Legge, J. Seufert, R. Werner, Proc. SPIE 6755, Advanced Environmental, Chemical, and Biological Sensing Technologies V, 675502, Sept. 25, 2007

Enhanced In(Ga)As/GaAs quantum dot based electro-optic modulation at 1.55 μm; G. Moreau, A. Martinez, D.-Y. Cong, K. Merghem, A. Miard, A. Lemaître, P. Voisin, A. Ramdane, I. Krestnikov, A. R. Kovsh, M. Fischer, J. Koeth, Appl. Phys. Lett., 91, 9, 08/2007, pp. 091118-091118-3

Tunable self-seeded semiconductor disk laser operating at 2μm; A. Harkonen, M. Guina, K. Roessner, M. Hummer, T. Lehnhardt, M. Mueller, A. Forchel, M. Fischer, J. Koeth, O.G. Okhotnikov, IEEE Electronics Lett. 43, no.8, April 12, 2007, pp. 457-458

Continuous-wave operation of GaInAsSb-GaSb type-II ridge waveguide lasers emitting at 2.8 µm; K. Roessner, M. Hummer, T. Lehnhardt, M. Mueller, A. Forchel, M. Fischer, J. Koeth, IEEE Phot. Tech. Lett. 18, no. 13, July 2006, pp. 1424-1426

Single-frequency Sb-based distributed-feedback lasers emitting at 2.3 microm above room temperature for application in tunable diode laser absorption spectroscopy; A. Salhi, D. Barat, D. Romanini, Y. Rouillard, A. Ouvrard, R. Werner, J. Seufert, J. Koeth, A. Vicet, A. Garnache, Appl. Opt., 45, 20, 08/2006, pp. 4957-4965

GaInAsSb/GaSb type-II distributed feedback lasers emitting in the 2.8 μm range; K. Roessner, M. Hummer, A. Forchel, Ralph Werner, J. Koeth; Lasers and Electro-Optics and 2006 Quantum Electronics and Laser Science Conference, CLEO/QELS, 06/2006

DFB Lasers at Wavelengths in Excess of 2300 nm for Remote Gas Sensing; J. Koeth, M. Fischer, M. Legge, J. Seufert, R. Werner, Sixth International Conference on Space Optics, Proceedings of ESA/CNES ICSO 2006, held 27-30 June 2006 at ESTEC, Noordwijk

Novel Helmholtz-based photoacoustic sensor for trace gas detection at ppm level using GaInAsSb/GaAlAsSb DFB lasers; Mario Mattiello, M. Niklès, Stéphane Schilt, Luc Thévenaz, Abdelmajid Salhi, David Barat, Aurore Vicet, Yves Rouillard, Ralph Werner, J. Koeth, Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy, 63, 5, 05/2006, pp. 952-958

Mode switching and singlemode tuning in two-segment distributed feedback quantum cascade lasers; S. Hoefling, J. Seufert, M. Fischer, B. Rosener, J. Koeth, J.P. Reithmaier, A. Forchel, Electronics Lett. 42, Issue 4, 16 Feb. 2006, pp. 220–222

Temperature insensitive 1.3 μInGaAs/GaAs quantum dot distributed feedback lasers for 10 Gbit/s transmission over 21km; F. Gerschuetz, M. Fischer, J. Koeth, M. Chacinski, R. Schatz, O. Kjebon, A. Kovsh, I. Krestnikov, A. Forchel, Electronics Lett. 42, Issue 25, 7 Dec. 2006, pp. 1457 – 1458

Long wavelength GaInAsSb-AlGaAsSb distributed-feedback lasers emitting at 2.84 µm; M. Huemmer, K. Roessner, T. Lehnhardt, M. Mueller, A. Forchel, R. Werner, M. Fischer, J. Koeth, Electronics Lett. 42, Issue 10, 11 May 2006, pp. 583 – 584

Single-frequency Sb-based distributed-feedback lasers emitting at 2.3 µm above room temperature for application in tunable diode laser absorption spectroscopy; A. Salhi, D. Barat, D. Romanini, Y. Rouillard, A. Ouvrard, R. Werner, J. Seufert, J. Koeth, A. Vicet, A. Garnache, Appl. Opt., 45, 20, 01/2006, pp. 4957-4965

Widely tunable single-mode quantum cascade lasers with two monolithically coupled Fabry-Perot cavities; S. Hoefling, J. Heinrich, J.P. Reithmaier, A. Forchel, J. Seufert, M. Fischer, J. Koeth, Appl. Phys. Lett. 89, 241126, 2006

Room-temperature diode laser photoacoustic spectroscopy near 2.3 μm; S. Civiš, V. Horká, J. Cihelka, T. Šimeček, E. Hulicius, J. Oswald, J. Pangrác, A. Vicet, Y. Rouillard, A. Salhi, C. Alibert, R. Werner, J. Koeth, Appl. Phys. B, 81, 6, 09/2005, pp. 857-861

Reduction of the threshold current density of GaAs/AlGaAs quantum cascade lasers by optimized injector doping and growth conditions; S. Hoefling, R. Kallweit, J. Seufert, J. Koeth, J.P. Reithmaier, A. Forchel, Journal of Crystal Growth 278, Issues 1–4, 1 May 2005, pp. 775–779

Application of antimonide diode lasers in photoacoustic spectroscopy; S. Schilt, A. Vicet, R. Werner, M. Mattiello, L. Thévenaz, A. Salhi, Y. Rouillard, J. Koeth, Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy, 60, 14, 01/2005, pp. 3431-3436

DFB laser diodes in the wavelength range from 760 nm to 2.5 µm; J. Seufert, M. Fischer, M. Legge, J. Koeth, R. Werner, M. Kamp, A. Forchel, Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy, 60, 14, 01/2005, pp. 3243-3247

Single mode quantum cascade DFB-lasers with metal Bragg gratings; J. Seufert, J. Koeth, M. Fischer, S. Hoefling, J.P. Reithmaier, A. Forchel, tm - Technisches Messen, 72, 01/2005, pp. 374-379

Quantenkaskadenlaser – eine neue Laserlichtquelle fuer die optische Analysenmesstechnik; A. Lambrecht, J. Koeth, tm - Technisches Messen, 72, 01/2005, pp. 353-355

New room-temperature 2.3µm DFB-diode lasers: first spectroscopic characterization and CO-detection; V. Ebert, C. Giesemann, J. Koeth, H. Teichert, Conference Paper Laser Applications to Chemical and Environmental Analysis, 02/2004

GaAs field effect transistors fabricated by imprint lithography; I. Martini, J. Dechow, M. Kamp, A. Forchel, J. Koeth, Microelectronic Engineering 60, 3, 04/2002, pp. 451-455

Optical investigations of the above barrier state transitions in GaAs/Al0.3Ga0.7As double quantum wells; M. Utko, G. Sȩk, K. Ryczko, L. Bryja, J. Misiewicz, M. Bayer, J. Koeth, A. Forchel, Materials Science and Engineering C, 19, 01/2002, pp. 167-169

Fabrication of quantum point contacts and quantum dots by imprint lithography; I. Martini, M. Kamp, F. Fischer, L. Worschech, J. Koeth, A. Forchel, Microelectronic Engineering, 57, 09/2001, pp. 397-403

Quantum point contacts fabricated by nanoimprint lithography; Ingo Martini, Dominik Eisert, M. Kamp, L. Worschech, A. Forchel, J. Koeth; Appl. Phys. Lett. 77, 14, 10/2000, pp. 2237-2239

Photon confinement effects — from physics to applications; A. Forchel, M. Kamp, T. Happ, J.P. Reithmaier, M. Bayer, J. Koeth, R. Dietrich, Microelectronic Engineering, 53, 06/2000, pp. 21-28

Photoreflectance spectroscopy of coupled InxGa1−xAs/GaAs quantum wells; G. Sȩk, K. Ryczko, M. Kubisa, J. Misiewicz, M. Bayer, T. Wang, J. Koeth, A. Forchel, Thin Solid Films, 364, 03/2000, pp. 220-223

Fabrication of quantum point contacts by imprint lithography and transport studies; I. Martini, S. Kuhn, M. Kamp, L. Worschech, A. Forchel, D. Eisert, J. Koeth, R. Sijbesma, Journal of Vacuum Science & Technology B Microelectronics and Nanometer Structures, 18, 6, 01/2000, pp. 3561-3563

GaInAsSb/AlGaAsSb: single-mode DFB lasers for gas sensing in the 2-um wavelength range; T. Bleuel, M. Brockhaus, J. Koeth, J. Hofmann, R. Werner, A. Forchel, Proc. SPIE 3858, Advanced Materials and Optical Systems for Chemical and Biological Detection, 119, Dec. 15, 1999

1.5 μm Ga(Al)Sb laser grown on GaAs substrate by MBE; J. Koeth, T. Bleuel, R. Werner, A. Forchel, Journal of Crystal Growth, 201, 3, 05/1999, pp. 841-843

Metal wire definition by high resolution imprint and lift-off; D. Eisert, W. Braun, S. Kuhn, J. Koeth, A. Forchel, Microelectronic Engineering, 46, 1, 05/1999, pp. 179-181

Photoreflectance study of coupling effects in double quantum wells; G. Sek, K. Ryczko, M. Kubisa, J. Misiewicz, J. Koeth, A. Forchel, Proc. SPIE 3725, International Conference on Solid State Crystals '98: Epilayers and Heterostructures in Optoelectronics and Semiconductor Technology, 201, April 8, 1999

GaAlSb based VCSEL and edge emitting lasers; J. Koeth, T. Bleuel, R. Werner, A. Forchel, Lasers and Electro-Optics Society Annual Meeting, 1998, LEOS '98, IEEE, 01/1999

GaSb vertical-cavity surface-emitting lasers for the 1.5 μm range; J. Koeth, R. Dietrich, A. Forchel, Appl. Phys. Lett., 72, 1, 03/1998, pp. 1638-1640

MBE growth and optical investigation of GaSb/AlSb VCSEL structures for the 1.5 μm range; J. Koeth, R. Dietrich, A. Forchel, IEEE International Symposium on Compound Semiconductors, 10/1997

Optical Spectroscopy of Dry-Etched GaN-Nanostructures; H. Zull, J. Mueller, J. Koeth, F. Kieseling, A. Forchel, MRS Online Proceeding Library, Vol. 423, 12/1995

Kalman Filtering Real-Time Measurements of H2O Isotopologue Ratios by Laser Absorption Spectroscopy at 2.73 μm; T. Wu, W. Chen, E. Kerstel, E. Fertein, X. Gao, J. Koeth, K. Roessner, D. Brueckner, Optics Lett. 35,  Issue 5, 2010, pp. 634-636

Schneller optischer In-situ-Nachweis von CO in Modellfeuerungsanlagen des Forschungszentrums Karlsruhe;  H. Teichert, T. Fernholz, J. Koeth, H. Seifert, J. Wolfrum, V. Ebert, 16. Externes TECFLAM Seminar “Verbundprojekt Combustion Control and Simulation”, Nov. 5, 2002, Karlsruhe