Zobrazeno 1 - 10
of 197
pro vyhledávání: '"C.M. Weinert"'
Autor:
Matthias Seimetz, C.M. Weinert
Publikováno v:
Journal of Lightwave Technology. 24:1317-1322
Coherent optical transmission systems offer enhanced possibilities concerning multilevel modulation and the electronic compensation of transmission impairments. One of the key components in a homodyne in-phase/quadrature (IQ) receiver is a 2 times 4
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::286727050c99115ec91fdd39e1526a62
https://doi.org/10.1109/jlt.2005.863251
https://doi.org/10.1109/jlt.2005.863251
Autor:
Klaus Petermann, B. Konrad, J. Berger, Reinhold Ludwig, C.M. Weinert, Bernhard Schmauss, H.G. Weber
Publikováno v:
Journal of Lightwave Technology. 20:2129-2135
General guidelines for high-speed time-division multiplexing (TDM) data-rate transmission are essential for the increase of the overall transmission capacity. In this paper, general theoretical investigations concerning fiber chromatic dispersion in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0a15493616c242dc2bcda6d55d35e3e3
https://doi.org/10.1109/jlt.2002.807777
https://doi.org/10.1109/jlt.2002.807777
A new device for improving the free-space optical monitoring and coupling into a single mode fiber is proposed. It consists of a fiber taper, which can easily be drawn from a suitable fiber with large core radius. The taper acts as a mode filter disc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1b38f787e6372401edadd93497ffe323
https://publica.fraunhofer.de/handle/publica/241486
https://publica.fraunhofer.de/handle/publica/241486
Publikováno v:
IEEE Photonics Technology Letters. 21:143-145
We demonstrate 4times4 multimode interference couplers in a silicon-on-insulator rib waveguide technology that enable compact integrated fully passive optical 90deg-hybrid devices with operation across the C-band.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c4a37bc34a43148e820a511064445e2a
https://doi.org/10.1109/lpt.2008.2009317
https://doi.org/10.1109/lpt.2008.2009317
Autor:
C.M. Weinert, H. Venghaus
Publikováno v:
IEEE Photonics Technology Letters. 5:1213-1216
A new design concept for a rib waveguide-based polarization independent Mach-Zehnder Interferometer is presented, and a device in the GaInAsP/InP material system is simulated combining a full vectorial two-dimensional finite difference calculation wi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ba4869b7ae34e2ad8cb8bb910f797a35
https://doi.org/10.1109/68.248431
https://doi.org/10.1109/68.248431
Publikováno v:
Journal of Lightwave Technology. 11:408-415
The monolithic integration of a detector stage comprising a photodiode and a field-effect transistor with a load resistor and a wavelength duplexer, realized in the GaInAsP/InP material system, is described. Design considerations, in particular for t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::03c08ba8b5d9d13c46f80431f0f15362
https://doi.org/10.1109/50.219573
https://doi.org/10.1109/50.219573
Autor:
C.M. Weinert
Publikováno v:
Journal of Lightwave Technology. 10:1218-1225
A method based on coupled mode theory for numerical simulation of three-dimensional structures is presented. It can be applied to all coupling structures for which the interaction with radiation modes is unimportant and distortions of the fields due
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ba8c9be8ae108b07e7ef471f814e44e1
https://doi.org/10.1109/50.156871
https://doi.org/10.1109/50.156871
Publikováno v:
IEEE Photonics Technology Letters. 12:737-739
The influence of cascaded optical cross connects including crosstalk on the transparency length is measured with a new double-path loop setup. In addition, numerical simulations were performed to evaluate the bit-error rate and to test the variabilit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::50cb466dc176f88ffd16b5fa3eb20220
https://doi.org/10.1109/68.849105
https://doi.org/10.1109/68.849105
Autor:
Robert Halir, C.M. Weinert, R. Kunkel, Heinz-Gunter Bach, Íñigo Molina-Fernández, D. Hoffmann
Publikováno v:
2009 IEEE International Conference on Indium Phosphide & Related Materials.
A monolithically integrated InP 90° hybrid incorporating waveguide balanced photodiodes is presented. Stable performance is achieved over a wavelength range from 1530 nm to 1565 nm.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eec91ea21d30af6ba2566ef606cf3f33
https://doi.org/10.1109/iciprm.2009.5012469
https://doi.org/10.1109/iciprm.2009.5012469
Publikováno v:
2008 34th European Conference on Optical Communication.
We demonstrate simulation and experimental results of 4 times 4 multimode interference (MMI) couplers in a silicon-on-insulator rib waveguide technology that enable compact integrated optical 90deg-hybrid devices with operation across the C-band.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d74c8671b602ef6551540636ce85f68b
https://doi.org/10.1109/ecoc.2008.4729213
https://doi.org/10.1109/ecoc.2008.4729213