Power monitoring system for a parallel optical transmitter

Details Power monitoring system for a parallel optical transmitter Power monitoring system for a parallel optical transmitter

2011-08-16

2011-08-16

Stultz, Jessica (Department: 2828)

Coherent light generators

Particular beam control device

Having particular beam control circuit component

Reexamination Certificate

active

08000358

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.

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