Dr. Herbert J. Burkhard Profile

Dr. Herbert J. Burkhard

at Technische Univ Hamburg-Harburg

SPIE Involvement:

Author

Publications (14)

Proceedings Article | 25 July 2003 Paper

Dynamic model and characteristics of twin-stripe laser oscillators

Miguel Palacios, Herbert Burkhard, Klaus Schuenemann

Proceedings Volume 4986, (2003) https://doi.org/10.1117/12.479710

KEYWORDS: Modulation, Optical simulations, Wave propagation, Refraction, Oscillators, Instrument modeling, Laser development, Interference (communication), Phase shift keying, Diffraction gratings

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Proceedings Article | 25 July 2003 Paper

Full-wave two- and three-dimensional field analysis of periodic active and passive optical structures

Mahmood Akbari, Klaus Schuenemann, Herbert Burkhard

Proceedings Volume 4986, (2003) https://doi.org/10.1117/12.479709

KEYWORDS: Waveguides, Wave propagation, 3D modeling, Dielectrics, Reflection, Magnetism, Active optics, Radio propagation, Finite-difference time-domain method, Visualization

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Proceedings Article | 4 December 1998 Paper

Continuously tunable optical mm-waves for fiber radio applications and ultra high bit-rate communications

Herbert Burkhard, H. Schoell

Proceedings Volume 3491, (1998) https://doi.org/10.1117/12.328712

KEYWORDS: Modulation, Radio optics, Stereolithography, Radio over Fiber, Optical communications, RF communications, Terahertz radiation, Phase shift keying, Pulsed laser operation, Laser optics

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Proceedings Article | 6 June 1997 Paper

Ultralow phase noise in multigigahertz oscillations of injection-tracked DFB lasers

Herbert Burkhard, H. Schoell

Proceedings Volume 2994, (1997) https://doi.org/10.1117/12.275614

KEYWORDS: Microwave radiation, Stereolithography, Optical tracking, Semiconductor lasers, Spectral resolution, Modulation, Signal detection, Coherence (optics), Clocks, Laser optics

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Proceedings Article | 10 April 1997 Paper

Continuously tunable multigigahertz repetition rate DFB laser pulsations

Herbert Burkhard, R. Loesch, Valeri Piataev, Winfried Schlapp, H. Schoell

Proceedings Volume 3038, (1997) https://doi.org/10.1117/12.271451

KEYWORDS: Quantum wells, Stereolithography, Modulation, Metalorganic chemical vapor deposition, Continuous wave operation, Tunable lasers, Laser damage threshold, Phase shift keying, Laser development, Electron beam lithography

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Proceedings Article | 21 October 1996 Paper

External resonator tunable diode laser (TDL) system for extracavity and intracavity absorption: experiments and modeling

Wolfgang Gurlit, J. Trentmann, John Burrows, Herbert Burkhard

Proceedings Volume 2834, (1996) https://doi.org/10.1117/12.255335

KEYWORDS: Absorption, Resonators, Semiconductor lasers, Laser systems engineering, Modulation, Laser resonators, Tunable diode lasers, Laser damage threshold, Fabry–Perot interferometers, Independent component analysis

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Proceedings Article | 1 May 1996 Paper

Carrier and photon dynamics in transversally asymmetric high-speed AlGaAs/InP MQW lasers

Hartmut Hillmer, A. Greiner, F. Steinhagen, Herbert Burkhard, R. Loesch, Winfried Schlapp, Thomas Kuhn

Proceedings Volume 2693, (1996) https://doi.org/10.1117/12.238971

KEYWORDS: Quantum wells, Modulation, Electrons, Chlorine, Amplitude modulation, Waveguides, Scattering, Phase shifts, Doping, Heterojunctions

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Proceedings Article | 1 May 1996 Paper

Ultrahigh-repetition frequency pulse generation in DFB lasers by cw light injection for long-haul OTDM fiber transmission

Herbert Burkhard, H. Schoell

Proceedings Volume 2693, (1996) https://doi.org/10.1117/12.238991

KEYWORDS: Modulation, Solitons, Pulsed laser operation, Knowledge management, Picosecond phenomena, Hole burning spectroscopy, Modulators, Multiplexing, Signal attenuation, Light wave propagation

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Proceedings Article | 12 April 1996 Paper

High-power high-T0 native oxide stripe-geometry 980-nm laser diodes

Herbert Burkhard, Valeri Piataev, Winfried Schlapp

Proceedings Volume 2682, (1996) https://doi.org/10.1117/12.237648

KEYWORDS: Cladding, Quantum wells, High power lasers, Semiconductor lasers, Oxides, Gallium arsenide, Continuous wave operation, Copper, Pulsed laser operation, Oxidation

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SPIE Journal Paper | 1 October 1995

Facet influence on wavelength tunability and linewidth chirp in InGaAs/InAlGaAs quantum-well distributed feedback lasers under high-bit-rate modulation

Hartmut Hillmer, Stefan Hansmann, Herbert Burkhard

OE, Vol. 34, Issue 10, (October 1995) https://doi.org/10.1117/12.10.1117/12.210767

KEYWORDS: Pulsed laser operation, Modulation, Data modeling, Phase shifts, Refractive index, Quantum wells, Reflectivity, Hole burning spectroscopy, Laser damage threshold, Semiconducting wafers

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Proceedings Article | 19 June 1995 Paper

Effects of injected light and optical feedback on directly modulated MQW lasers and OTDM multigigabit-per-second system performance

Herbert Burkhard, S. Mohrdiek, H. Schoell, Hartmut Hillmer, Stefan Hansmann, A. Mattheus

Proceedings Volume 2399, (1995) https://doi.org/10.1117/12.212540

KEYWORDS: Modulation, Solitons, Interference (communication), Picosecond phenomena, Dispersion, Receivers, Optical amplifiers, Optical simulations, Optical filters, Pulsed laser operation

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Proceedings Article | 28 April 1995 Paper

Application of DFB lasers with individually chirped gratings

Hartmut Hillmer, Stefan Hansmann, Herbert Burkhard, A. Grabmaier, E. Kuphal

Proceedings Volume 2382, (1995) https://doi.org/10.1117/12.208448

KEYWORDS: Picosecond phenomena, Waveguides, Laser stabilization, Laser damage threshold, Chlorine, Phase shifts, Wavelength tuning, Tunable lasers, Hole burning spectroscopy, Homogenization

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Proceedings Article | 25 August 1994 Paper

Facet influence on wavelength tunability and linewidth-chirp under high bit rate modulation in InGaAs/InAlGaAs quantum well (QW) DFB lasers

Hartmut Hillmer, Stefan Hansmann, Herbert Burkhard, Herbert Walter, H. Janning, R. Goebel

Proceedings Volume 2212, (1994) https://doi.org/10.1117/12.185112

KEYWORDS: Quantum wells, Pulsed laser operation, Modulation, Data modeling, Phase shifts, Refractive index, Laser damage threshold, Reflectivity, Hole burning spectroscopy, Semiconducting wafers

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Proceedings Article | 16 June 1993 Paper

Large-wavelength tunability of asymmetric three-section DFB lasers under cw and pulsed bias

Hartmut Hillmer, H. Zhu, Herbert Burkhard

Proceedings Volume 1850, (1993) https://doi.org/10.1117/12.146903

KEYWORDS: Semiconductor lasers, Phase shifts, Wavelength tuning, Etching, Dry etching, Modulation, Technologies and applications, Phase shift keying, Pulsed laser operation, Hole burning spectroscopy

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Showing 5 of 14 publications

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