Self calibrated optical spectrum monitor

Details Self calibrated optical spectrum monitor Self calibrated optical spectrum monitor

2007-05-07

2011-10-04

Tran, Dzung (Department: 2613)

Optical communications

Diagnostic testing

C398S016000, C398S069000

Reexamination Certificate

active

08032020

ABSTRACT:
An optical spectrum monitor includes a tunable optical detector that receives optical channel monitoring signals from an optical channel and receives a control signal that selects a frequency of an optical channel monitoring signal for detection. The tunable optical detector detects the optical channel monitoring signal selected by the control signal and generates an electrical signal related to a power of the detected optical channel monitoring signal. A processor analyzes a plurality of differences between selected optical channel monitoring frequencies and their corresponding ITU frequencies and then generates the control signal at the output that corrects for at least one of systematic band offset and systematic band tilt in the optical channel monitoring frequency.

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“Notification of Transmittal of the International Search Report and the Written Opinion of the International Searching Authority, or the Declaration” for PCT/US07/011046, The International Searching Authority/EPO, Dec. 6, 2007, 11 Pages, Rijswijk, The Netherlands.

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