The All-fiber MZI Structure for Optical DPSK Demodulation and Optical PSBT Encoding

Autor: Guillaume Ducournau, Olivier Latry, Mohamed Ketata

Publikováno v: Journal of Systemics, Cybernetics and Informatics, Vol 4, Iss 4, Pp 78-89 (2006)

Since the beginning of optical telecommunications, the most simple modulation format has been employed in optical links. This format is called OOK (On Off Keying). With the increases in bit rates, number of optical channels in Dense Wavelength Divisi

Externí odkaz: https://doaj.org/article/9613439780774ae49dfe9e9985979550

Adding channels with PSBT format at 40Gbit/s in an existing 10Gbit/s optical network

Autor: F. Khecib, Olivier Latry, Mohamed Ketata, Pascal Dherbécourt

Publikováno v: Optics Communications
Optics Communications, Elsevier, 2011, 284 (21), pp.5125-5129. ⟨10.1016/j.optcom.2011.06.064⟩
Optics Communications, 2011, 284 (21), pp.5125-5129. ⟨10.1016/j.optcom.2011.06.064⟩

Until recently, the wavelength-division-multiplexed (WDM) transmission system has reached record capacities and distances due to innovations such as FEC (Forward Error Correction), distributed Raman amplification, new transmission fiber and advanced

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::01fa45f21a3368ce30c5fd48f6ca9b09
https://doi.org/10.1016/j.optcom.2011.06.064

Comparison of different feedback signals used in one stage PMD compensators for different modulation formats

Autor: Eric Joubert, Mohamed Ketata, Olivier Latry, Guillaume Ducournau

Publikováno v: IEEE Transactions on Communications
IEEE Transactions on Communications, Institute of Electrical and Electronics Engineers, 2008, 56, pp.1722-1728. ⟨10.1109/TCOMM.2008.060476⟩
IEEE Transactions on Communications, 2008, 56, pp.1722-1728. ⟨10.1109/TCOMM.2008.060476⟩

As PMD compensation has become a very intense subject of research in recent years, the achievement of simple PMD compensators based on a feedback signal is a key issue. As PMD compensation uses a feedback indicator for system performance evaluation,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::43846e5cf706f765c067e4afcbce8872
https://doi.org/10.1109/tcomm.2008.060476

Experimental considerations on bandwidth measurement of ultra-fast photoreceptors by optical heterodyning

Autor: Guillaume Ducournau, Mohamed Ketata, Pascal Dherbécourt, Olivier Latry, Eric Joubert

Publikováno v: Measurement. 40:406-414

Today, ultra fast telecommunication systems use very high frequencies for data rates. Associated to these high frequencies, there is a need for high speed photodetectors, and by consequence the characterisation of such devices is primordial. We focus

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1a295e2b98ce77624a9d7a5b6b6de132
https://doi.org/10.1016/j.measurement.2006.06.008

Using MZIs for Optical PSBT Transmissions: Requirements for Thermal Stabilization

Autor: Guillaume Ducournau, Olivier Latry, Mohamed Ketata

Publikováno v: ETRI Journal. 28:615-620

In this paper, we discuss the quantification of MachZehnder interferometer (MZI) thermal stabilization which is needed in optical phase shaped binary transmission (PSBT) links. Considering the thermo-optic and thermal expansion effects, we revisit th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::31cf7f2fe247b00e2763f2c7781fda3a
https://doi.org/10.4218/etrij.06.0106.0018