S. Hansmann

Deutsche Telekom (Germany) — Germany

Engineering · Physical Sciences

16h-index1.1kcitations56works0.02yr avg
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Research Topics

Photonic and Optical Devices(40), Semiconductor Lasers and Optical Devices(32), Semiconductor Quantum Structures and Devices(23), Advanced Fiber Laser Technologies(16), Optical Network Technologies(13)

Publications56 total

Low-consumption (below 2 W) continuous-wave singlemode quantum-cascade lasers grown by metal-organic vapour-phase epitaxy
Electronics Letters·2007· 17 cited
Lasers and Coherent Light Sources
2007· 12 cited
Wide continuous tuning range of 221 nm by InP/air-gap vertical-cavity filters
Electronics Letters·2006· 22 cited
Spectral characterisation of monolithic modelocked lasers for mm-wave generation and signal processing
Electronics Letters·2006· 10 citedOpen Access
Room-temperature continuous-wave single-mode quantum cascade lasers
Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE·2006· 3 cited
Wide continuously tunable 1.55μm vertical air-cavity wavelength selective elements for filters and VCSELs using micromachined actuation (Invited Paper)
Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE·2005· 1 cited
All-optical signal Processing and applications within the esprit project DO/spl I.bar/ALL
Journal of Lightwave Technology·2005· 91 citedOpen Access
Design and realization of high-power ripple-free superluminescent diodes at 1300 nm
IEEE Journal of Quantum Electronics·2004· 19 cited
Theoretical model calculations of long-haul edge-emitting communication lasers: comparison of fractally mixed, fine-pitched and continuously chirped DFB gratings
Semiconductor Science and Technology·2004· 2 cited
10 GHz Boolean XOR with semiconductor optical amplifier fiber Sagnac gate
2003· 4 cited
MBE grown strained and unstrained InGaAs/InAlGaAs MQW lasers
2002· 2 cited
Novel method to optimize complex coupling coefficients by sampled gratings
2002· 1 cited
Tailored DFB laser properties by individually chirped gratings using bent waveguides
2002· 2 cited
Strain-compensated MQW InGaAsP/InGaAsP gain- and index-coupled laser arrays grown by MOVPE under N/sub 2/
2002· 2 cited
40 GHz all-optical XOR with UNI gate
2002· 16 citedOpen Access
Laserdioden
2002
Transmitters
Springer series in photonics·2001· 2 cited
40 GHz All-Optical XOR with UNI Gate
Optical Fiber Communication Conference and International Conference on Quantum Information·2001· 6 cited
20 Gb/s all-optical XOR with UNI gate
IEEE Photonics Technology Letters·2000· 132 citedOpen Access
All-optical write/read memory for 20 Gbit/s datapackets
Electronics Letters·2000· 19 citedOpen Access
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Frequent Co-authors

Hartmut Hillmer(30), H. Burkhard(26), H. Avramopoulos(8), G. Guekos(8), A. Forchel(6), L. Occhi(6), H. Walter(6), Anton Grabmaier(6), C. Bintjas(5), M. Kalyvas(5), Laurent Schares(5), R. Dall’Ara(5), T. Houbavlis(5), Kyriakos E. Zoiros(5), E. Kuphal(5), S. Jochum(5), M. Morohashi(4), Esther López(4), H. P. Meier(4), G. Theophilopoulos(4)