Optoelectronic module with integrated monitoring photodiode...

Details Optoelectronic module with integrated monitoring photodiode... Optoelectronic module with integrated monitoring photodiode...

2011-06-14

2011-06-14

Nguyen, Dung T (Department: 2828)

Coherent light generators

Particular active media

Semiconductor

C372S006000, C372S050120, C372S050124, C372S101000

Reexamination Certificate

active

07961770

ABSTRACT:
A power monitoring system uses a low loss reflective element to partially split the output laser beams from an array of laser sources, in a parallel configuration, to produce a monitor beams for each laser source. Each of these monitor beams may propagate within the reflective element in a lossless manner under total internal reflection and into one of a plurality of photodiodes that sense an optical characteristic such as output beam intensity, where this sensed signal is then used as part of a feedback control to control operation of the laser sources in the array.

REFERENCES:
patent: 2002/0197025 (2002-12-01), Vaganov et al.
patent: 2008/0277571 (2008-11-01), Sherrer et al.
patent: 2010/0321880 (2010-12-01), Yeo et al.

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