Zobrazeno 1 - 10
of 31
pro vyhledávání: '"H. J. Ehrke"'
Publikováno v:
Proceedings of 8th International Conference on Indium Phosphide and Related Materials.
We report on the development of monolithically integrated InGaAsP active/passive waveguide interferometers for all-optical switching including both Sagnac and Mach-Zehnder configurations.
Publikováno v:
Photonics in Switching.
Interferometric switching devices based on semiconductor optical amplifiers (SOA) have proved to be powerful devices for demultiplexing and add/drop multiplexing in high speed OTDM systems [1-5].
Autor:
R. Ludwig, W. Pieper, Michael Eiselt, H. J. Ehrke, Ronald Schnabel, E. Jahn, A. Ehrhardt, H. G. Weber
Publikováno v:
Photonic Networks ISBN: 9781447112488
The authors report on all-optical switching devices based on semiconductor laser amplifiers (SLA) in applications for optical time division multiplexing. These applications include demultiplexer, add/drop multiplexer and clock recovery. The nonlinear
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::097471c0d39afca7f0e7e198617479dd
https://doi.org/10.1007/978-1-4471-0979-2_38
https://doi.org/10.1007/978-1-4471-0979-2_38
Publikováno v:
SPIE Proceedings.
We report on the development and applications of integrated nonlinear interferometers including both Sagnac and Mach- Zehnder configurations for optical time division multiplexing systems. Details on principle of operation, device design and fabricat
Publikováno v:
Integrated Photonics Research.
All-optical switching devices are expected to play an important role in future optical time-division multiplexing (OTDM) networks. Interferometer arrangements consisting of one or two semiconductor laser amplifiers (SLA) are very attractive for this
Autor:
Carl M. Weinert, Ralf Ludwig, H.G. Weber, Nidhi Agrawal, Dieter Franke, E. Jahn, W. Pieper, M. Arbert, H. J. Ehrke
The authors demonstrate all-optical error-free demultiplexing of 10, 20 and 40 Gbit/s to 5 Gbit/s data signals by using a monolithically integrated Mach-Zehnder interferometer with two semiconductor laser amplifiers.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5ade8087ea3c288cb4b7c66b1c2d4b3a
https://publica.fraunhofer.de/handle/publica/187457
https://publica.fraunhofer.de/handle/publica/187457
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
Autor:
C.M. Weinert, D. Franke, G.G. Mekonnen, N. Agrawal, R. Langenhorst, Carsten Bornholdt, H. J. Ehrke
Publikováno v:
IEEE Photonics Technology Letters. 7:644-645
We report fast 2/spl times/2 Mach-Zehnder optical space switches by using quantum confined Stark effect in InGaAsP-InP multiquantum-well structures that are ultracompact, require low voltages, and employ a simple RF drive with RC time-constant limite
Autor:
Franko Küppers, Reinhold Ludwig, H. J. Ehrke, Stefan Diez, U. Feiste, H.G. Weber, Christian Schmidt
Publikováno v:
Electronics Letters. 36:561
Unrepeatered 80 Gbit/s RZ single channel transmission over 160 km of standard singlemode fibre at 1.55 /spl mu/m involving the use of passive compensation of the dispersion and dispersion-slope is reported. Error-free transmission (BER-10/sup -9/) wi
Autor:
Christian Schmidt, U. Feiste, Stefan Diez, C. Schubert, Reinhold Ludwig, H.G. Weber, H. J. Ehrke
Publikováno v:
Electronics Letters. 36:1405
The authors report on single-channel, single-polarisation, 160 Gbit/s, RZ 1.55 /spl mu/m transmission over 160 km of standard fibre without inline optical amplifiers, but with passive compensation of dispersion and dispersion slope. We use an optical