Semiconductor monolithic integrated optical transmitter

Details Semiconductor monolithic integrated optical transmitter Semiconductor monolithic integrated optical transmitter

2007-07-17

2007-07-17

Nguyen, Dung (Michael) T. (Department: 2828)

Coherent light generators

Particular active media

Semiconductor

C372S050110, C372S050220

Reexamination Certificate

active

10716653

ABSTRACT:
A semiconductor monolithic integrated optical transmitter including a plurality of active layers formed on a semiconductor substrate is disclosed, which comprises: a distributed feedback laser diode including a grating for reflecting light with a predetermined wavelength and a first active layer for oscillating received light from the grating; an electro-absorption modulator including a second active layer for receiving light from the first active layer, wherein the received light intensity is modulated through a change of absorbency in accordance with an applied voltage; an optical amplifier including a third active layer for amplifying received light from the second active layer; a first optical attenuator between the first active layer and the second active layer; and a second optical attenuator between the second active layer and the third active layer.

REFERENCES:
patent: 2005/0018720 (2005-01-01), Kish et al.

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