Digitally-tuned integrated laser with multi-frequency operation

Details Digitally-tuned integrated laser with multi-frequency operation Digitally-tuned integrated laser with multi-frequency operation

1994-09-02

1995-09-12

Davie, James W.

Coherent light generators

Particular active media

Semiconductor

372 20, 372 26, 385 14, H01S 310

Patent

active

054504317

ABSTRACT:
A digitally-tuned integrated laser with multi-frequency operation for generating optical signals of various frequencies. The laser includes a wafer (10) having a frequency router (12) defined therein and a first cleaved face (20), a second cleaved face (24) and a third face (11). An active optical amplifier (18) is formed at the first cleaved face and is connected to the frequency router by a waveguide (14). A plurality of individually selectable optical amplifier pairs (22, 22') are formed at the second cleaved face (24) and are connected to the frequency router by pairs of waveguides (16, 16'). The waveguides of each pair are coupled one to the other by an optical coupler (28) that provides a portion of a generated optical signal to a modulator (26) contained in one of the waveguides of each waveguide pair.

REFERENCES:
patent: 5373517 (1994-12-01), Dragone et al.
patent: 5390200 (1995-02-01), Zirngibl

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