Zobrazeno 1 - 10
of 143
pro vyhledávání: '"Preussler, Stefan"'
Autor:
Dev, Sourav, Singh, Karanveer, Hosseini, Reza, Misra, Arijit, Catuneanu, Mircea, Preußler, Stefan, Schneider, Thomas, Jamshidi, Kambiz
A compact device model along with simulations and an experimental analysis of a forward-biasedPNjunction-based silicon Mach-Zehndermodulator (MZM) with a phase-shifter length of 0.5 mm is presented. By placing the PN junction to a certain off-center
Externí odkaz:
https://tud.qucosa.de/id/qucosa%3A91928
https://tud.qucosa.de/api/qucosa%3A91928/attachment/ATT-0/
https://tud.qucosa.de/api/qucosa%3A91928/attachment/ATT-0/
Autor:
Misra, Arijit, Singh, Karanveer, Meier, Janosch, Kress, Christian, Schwabe, Tobias, Preußler, Stefan, Scheytt, J. Christoph, Schneider, Thomas
We demonstrate for the first time, to the best of our knowledge, reconfigurable and real-time orthogonal time-domain demultiplexing of coherent multilevel Nyquist signals in silicon photonics. No external pulse source is needed and frequencytime cohe
Externí odkaz:
http://arxiv.org/abs/2110.13002
As the bit rates of routed data streams exceed the throughput of single wavelength-division multiplexing channels, spectral traffic aggregation becomes essential for optical network scaling. Here we propose a scheme for all-optical aggregation of sev
Externí odkaz:
http://arxiv.org/abs/2109.04363
Autor:
Kühnapfel, Niclas, Preußler, Stefan, Noppel, Maximilian, Schneider, Thomas, Rieck, Konrad, Wressnegger, Christian
Physical isolation, so called air-gapping, is an effective method for protecting security-critical computers and networks. While it might be possible to introduce malicious code through the supply chain, insider attacks, or social engineering, commun
Externí odkaz:
http://arxiv.org/abs/2106.04119
Increasing capacity demands in the access networks require inventive concepts for the transmission and distribution of digital as well as analog signals over the same network. Here a new transceiver system, which is completely agnostic for the signal
Externí odkaz:
http://arxiv.org/abs/2008.08040
Autor:
Preußler, Stefan
Stimulated Brillouin scattering is the most dominant nonlinear effect in single mode optical fibers. Its unique spectral characteristics, especially the narrow bandwidth of 20 – 30 MHz enable numerous applications, including optical spectrum analys
In this paper, we propose a low-noise, bandwidth tunable microwave photonics filter (MPF) based on stimulated Brillouin scattering (SBS) losses. By suppressing the out-of-band signal with two broadened symmetric SBS losses, pass bandwidth can be tune
Externí odkaz:
http://arxiv.org/abs/1709.07055
Sampling is the first step to convert an analogue optical signal into a digital electrical signal. The latter can be further processed and analysed by well-known electrical signal processing methods. Optical pulse sources like mode-locked lasers are
Externí odkaz:
http://arxiv.org/abs/1605.02468
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