Optical regenerative repeater

Details Optical regenerative repeater Optical regenerative repeater

1998-10-13

2000-08-22

Moskowitz, Nelson

Optical: systems and elements

Optical amplifier

Particular active medium

359158, 359176, H04B 1012, H04B 1017, H01J 516

Patent

active

061081256

ABSTRACT:
An input optical data pulse 120 encoded by pulse amplitude modulation is branched into two parts by an optical coupler 111, and one part is input to an optical clock generation device, such as mode-locked laser diode (MLLD) 113 and the other part is input to an optical/optical intensity modulator, such as semiconductor optical amplifier 110 or electro-absorption light intensity modulator 216. A regenerated optical clock pulse drives the optical/optical intensity modulator and thereby, an input optical data pulse 120 is intensity-modulated to serve as an optical data pulses 121 which are output. An input optical data pulse can drive the light intensity modulator. Therefore, a high-speed inexpensive regenerative repeater for regenerating a signal in the form of light is attained.

REFERENCES:
patent: 5401957 (1995-03-01), Suzuki et al.
patent: 5548433 (1996-08-01), Smith
patent: 5717510 (1998-02-01), Ishikawa et al.
patent: 5757529 (1998-05-01), Desurvire et al.
patent: 5892608 (1999-04-01), Suzuki et al.
Yamamoto, Y; IEEE J. Q. B., vol. QR-16, #10, pp. 1073-1081; abst only herewith, Oct. 1980.

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