Optical communications – Transmitter – Chirping
Reexamination Certificate
2008-01-15
2008-01-15
Singh, Dalzid (Department: 2613)
Optical communications
Transmitter
Chirping
C398S183000, C398S081000, C398S149000
Reexamination Certificate
active
07319823
ABSTRACT:
The invention shows a transmission system with a transmitter function, a transmitting fiber and a receiver function where the transmitter function comprising lightsources (1), modulators (2) and a multiplexer (3), and the receiver comprising at least a demultiplexer (5), filters and electrical receivers where the channels for left side filtering are modulated with modulators with a negative chirp and for right side filtering with modulators with positive chirp.
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Bigo et al, “Tbit/s (128×40 Gbit/s WDM) transmission over 3×100 km of TeraLight Fibre”.
Bigo S et al.: “Multi-Terabit/s Transmission over Alcatel Teralight Fiber” Alcatel Telecommunications Review, 4thQuarter 2000, pp. 288-296.
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Bigo Sebastien
Frignac Yann
Idler Wilfried
Lach Eugen
Alcatel
Singh Dalzid
Sughrue & Mion, PLLC
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