Laser device for optical data transmission

Details Laser device for optical data transmission Laser device for optical data transmission

2004-06-23

2009-02-10

Vanderpuye, Kenneth N (Department: 2613)

Optical communications

Transmitter

Including compensation

C398S075000

Reexamination Certificate

active

07489879

ABSTRACT:
A Laser device for optical packet data transmission in TDM-systems is provided. The device comprises a laser light source for outputting laser light beam and a laser driver for driving the laser light source; an optical modulator which receives and modulates the laser light beam output by the laser light source; a packet data source for outputting a packet data stream; and a modulator driver for receiving the packet data stream output by the packet data source and for driving the optical modulator in response to the packet data stream resulting in that the optical modulator modulates the laser light beam in response to the packet data stream. A filter generates an envelope signal of the data packets in the packet data stream, and a switch switches the laser driver in response to the envelope signal.

REFERENCES:
patent: 5530712 (1996-06-01), Solina et al.
patent: 6535313 (2003-03-01), Fatehi et al.
patent: 6590686 (2003-07-01), Sekiya et al.
patent: 6731877 (2004-05-01), Cao
patent: 6765942 (2004-07-01), Robertson
patent: 0 683 552 (1995-11-01), None
Nagle, “Digital Control System Analysis and Design”, copyrighted 1984, p. 78-79.

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