Bias adjustment method for optical SSB modulator or optical...

Details Bias adjustment method for optical SSB modulator or optical... Bias adjustment method for optical SSB modulator or optical...

2007-07-17

2007-07-17

Wong, Tim M. (Department: 2874)

Optical waveguides

Temporal optical modulation within an optical waveguide

C385S003000, C385S039000, C385S040000

Reexamination Certificate

active

11078695

ABSTRACT:
A method of appropriately adjusting a bias signal of an optical modulator is provided. For an optical modulator provided with a first sub Mach-Zehnder waveguide, a second sub Mach-Zehnder waveguide and a main Mach-Zehnder waveguide, a predetermined signal is supplied to the main Mach-Zehnder waveguide, and bias signals supplied to the first and second Mach-Zehnder waveguides are adjusted so as to lower an amplitude of an output light of the main Mach-Zehnder waveguide.

REFERENCES:
patent: 5835212 (1998-11-01), Kissa et al.
patent: 6211996 (2001-04-01), Fuse
patent: 6915082 (2005-07-01), Yano
patent: 2005/0220385 (2005-10-01), Kawanishi et al.

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