Optical communications – Multiplex – Hybrid
Reexamination Certificate
2003-03-13
2009-08-18
Vanderpuye, Ken N (Department: 2613)
Optical communications
Multiplex
Hybrid
C398S079000, C398S080000, C398S098000, C398S101000, C398S102000, C398S178000, C398S179000
Reexamination Certificate
active
07577363
ABSTRACT:
A device and a method for converting WDM signals into an OTDM signal. A time shift is introduced between the pulses of the WDM signals carried by the optical carriers. A modulation means is (112, 113, 114) adapted to modify the optical power of the WDM signals, and an optical temporal multiplexer/ demultiplexer (120) is provided. The WDM signals are injected into a birefringent propagation medium (130) in such a manner as to achieve a soliton trapping phenomenon. An absorption means (140) is adapted to introduce optical losses into the components of the OTDM signal. This technique performs WDM/OTDM conversion at very high bit rates. It also performs OTDM/WDM conversion. It is intended to be installed in long-haul telecommunication networks.
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Liu Li
McDonnell Boehnen & Hulbert & Berghoff LLP
Vanderpuye Ken N
LandOfFree
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