Optical modulator control system

Details Optical modulator control system Optical modulator control system

2006-09-12

2006-09-12

Thompson, Timothy (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

C359S276000

Reexamination Certificate

active

07106486

ABSTRACT:
An apparatus comprising a control system coupled to an optical modulator. The control system including an Radio Frequency (RF)/dither ratio unit coupled to the optical modulator, wherein the RF/dither ratio unit to modify an amplitude of a dither signal inputted into the optical modulator to maintain a constant ratio between the amplitude of the dither signal and an amplitude of an RF input signal inputted into the optical modulator.

REFERENCES:
patent: 6587249 (2003-07-01), Henry
patent: 6687451 (2004-02-01), Sikora
patent: 2005/0012976 (2005-01-01), Harel et al.
Photonic Systems, Inc., “PSI 0202 Modulator Bias Controller,” Rev. A, Product Information, (2001), pp. 1-4.
Sumitomo Osaka Cement Co., Ltd., “Application Note for LN Modulators,” Optoelectronics Business Division, (Jul. 2002).
PHOTONICSystems, Inc., “Application Note Modulator Bias Controllers,” pp. 1-14, (2004).

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