Zobrazeno 1 - 10
of 30
pro vyhledávání: '"W.-D. Molzow"'
Publikováno v:
physica status solidi (a). 213:970-974
We demonstrate an L-band InGaAlAs based electroabsorption modulated DFB laser integrated with a semiconductor optical amplifier. The device can be operated with up to 56 Gb s−1 with low chirp and high output power. The device is realized with one c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::99f51de6f4872fcd46e1fc086433ff18
https://doi.org/10.1002/pssa.201532568
https://doi.org/10.1002/pssa.201532568
Autor:
C. Bornholdt, W.-D. Molzow, A. Sigmund, H.-G. Bach, Martin Moehrle, Georges Przyrembel, Holger Klein
Publikováno v:
39th European Conference and Exhibition on Optical Communication (ECOC 2013).
We have developed electroabsorption modulated DFB Lasers at 1305 nm using an identical InGaAlAs MQW core in the DFB and the EAM section. A 50Ω matching circuit is realized on-chip giving an f3dB of 39.4 GHz. We present 56 Gbit/s eyes with a dynamic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d151adf88e8a61761a88338edc7a4321
https://doi.org/10.1049/cp.2013.1505
https://doi.org/10.1049/cp.2013.1505
Autor:
W.-D. Molzow, V. A. Shchukin, Norbert Grote, C. Moller, S.S. Mikhrin, P. Matthijsse, A. R. Kovsh, Gerard Kuyt, N. N. Ledentsov, A. Paraskevopoulos, Igor Krestnikov, Holger Klein, H.J. Hensel, D.A. Livshits
Publikováno v:
2006 Optical Fiber Communication Conference and the National Fiber Optic Engineers Conference.
Electrical bandwidth of 60 GHz and optical bandwidth exceeding 35 GHz, limited by the photodetector response, are demonstrated for an electrooptically-modulated VCSEL. The maximum single mode power approaches 3mW continuous wave. Modulation voltage e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0d6764a1211c7df331361c03b93af251
https://doi.org/10.1109/ofc.2006.216055
https://doi.org/10.1109/ofc.2006.216055
Publikováno v:
31st European Conference on Optical Communications (ECOC 2005).
A novel type of index-coupled DFB-lasers is presented. The lasers feature low threshold current, low beam divergence, a -3 dB cut-off frequency of 11 GHz at 90°C, and high single mode yield even as-cleaved. (2 pages)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ff51a4f688504992c5e31d51530255b1
https://doi.org/10.1049/cp:20050487
https://doi.org/10.1049/cp:20050487
Autor:
D.K. Das-Gupta, W.-D. Molzow, S. Yilmaz, Siegfried Bauer, Reimund Gerhard-Multhaupt, Werner Wirges
Publikováno v:
Proceedings of IEEE Conference on Electrical Insulation and Dielectric Phenomena - (CEIDP'94).
Poled nonlinear optical polymers are molecular dipole electrets and must therefore exhibit pyro- and piezoelectricity. As a complement to pyroelectrical techniques, piezoelectrical investigations may offer additional possibilities for looking into th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4754100164d36d66cfafe0af5337fa2e
https://doi.org/10.1109/ceidp.1994.592058
https://doi.org/10.1109/ceidp.1994.592058
Autor:
W.-D. Molzow, S. Yilmaz, Werner Wirges, Simona Bauer-Gogonea, C. Dinger, Reimund Gerhard-Multhaupt, Siegfried Bauer, W. Brinker
Publikováno v:
Scopus-Elsevier
In order to exhibit low scattering losses and sufficiently large electro-optical or other nonlinear optical coefficients, polymers for active waveguide applications must be amorphous and contain molecular dipoles with large hyperpolarizabilities, res
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c66caa00fa6195b7c91a1728d66d3cd2
https://doi.org/10.1109/ceidp.1995.483573
https://doi.org/10.1109/ceidp.1995.483573
Autor:
E. Suryaputra, P. Wolfram, K. Janiak, A. Paraskevopoulos, W.-D. Molzow, H. Roehle, W. Ebert, H.J. Hensel
Publikováno v:
LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Cat. No.01CH37242).
Dry etched facets remain a very attractive task in the semiconductor laser diode fabrication, as they can potentially lead to on-wafer device fabrication including preliminary testing, allowing thus a substantial cost reduction. Chemically assisted i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5fcb7a138bb29265fd02aaeea34c4a08
https://doi.org/10.1109/leos.2001.969228
https://doi.org/10.1109/leos.2001.969228
Autor:
Stefan Bauer, Werner Wirges, L. Haeussler, W.-D. Molzow, S. Yilmaz, Reimund Gerhard-Multhaupt, Klaus Lunkwitz, Hartmut Komber, W. Ren, B. Haenel, Ulrich Oertel
Publikováno v:
SPIE Proceedings.
Polymers containing nonlinear optical moieties were prepared on the basis of maleic anhydride copolymers. Azo dyes such as Disperse Red 1 (DR 1) were attached to the polymer backbones via esterification, amidization, or imidization. Optimal poling co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0f56ce8b9a5bf475546c51077d3723dc
https://doi.org/10.1117/12.166348
https://doi.org/10.1117/12.166348
Autor:
Ulrich Oertel, Werner Wirges, Hartmut Komber, Liane Häussler, W. Ren, B. Hänel, Reimund Gerhard-Multhaupt, Siegfried Bauer, W.-D. Molzow, S. Yilmaz, Klaus Lunkwitz
Stable polymers with nonlinear optical side groups were synthesized from maleic anhydride copolymers and the azo dye Disperse Red 1 via esterification. After electrode poling under 135 V/ mu m at 185 degrees C, thermal stabilities were measured by py
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8819225c945b3e0b46f7b301d4256bd5
https://publica.fraunhofer.de/handle/publica/183899
https://publica.fraunhofer.de/handle/publica/183899
Autor:
Reimund Gerhard-Multhaupt, W.-D. Molzow, Thomas H. Rosin, W. Brinker, R. Tepe, H. J. Ehrke, H. Roeder
Publikováno v:
SPIE Proceedings.
Thin metallized viscoelastic layers coated by a mirror electrode and addressed by an active matrix are proposed for ue in schlieren-optical light-valve projection systems for high-definition television (HDTV). Previously, the deformation behavior of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5cbb0216584d378a2291495c8099e672
https://doi.org/10.1117/12.19865
https://doi.org/10.1117/12.19865