Optical modulator

Details Optical modulator Optical modulator

2006-12-26

2006-12-26

Healy, Brian M. (Department: 2883)

Optical waveguides

Temporal optical modulation within an optical waveguide

Electro-optic

C385S001000, C385S014000, C385S040000, C385S129000, C385S130000

Reexamination Certificate

active

07155072

ABSTRACT:
In relation to an optical modulator (e.g., an RZ optical modulator) formed from a plurality of Mach-Zehnder optical modulators, in an attempt to make the optical modulator compact and realize a low drive voltage, the optical modulator is formed by comprising a plurality of Mach-Zehnder optical modulators, each including a substrate exhibiting an electro-optical effect, an optical waveguide formed on the substrate, and electrodes formed in the vicinity of the optical waveguide. The plurality of Mach-Zehnder optical modulators are arranged on the substrate and connected into multistage.

REFERENCES:
patent: 5148503 (1992-09-01), Skeie
patent: 6038354 (2000-03-01), Sato et al.
patent: 6243516 (2001-06-01), Seino
patent: 6259836 (2001-07-01), Dodds
patent: 6535320 (2003-03-01), Burns
patent: 6545791 (2003-04-01), McCaughan et al.
patent: 6668103 (2003-12-01), Hosoi
patent: 2003/0147656 (2003-08-01), Yano
patent: 0938000 (1999-08-01), None
patent: 5-136734 (1993-06-01), None
patent: 5-232417 (1993-09-01), None
patent: 11-237517 (1999-08-01), None
patent: 2002-23121 (2002-01-01), None
Reference AH (Japanese Patent Laid-Open No. 11-237517) corresponds to Reference AA (U.S. Patent No. 6,243,516).
Reference AJ (Japanese Patent Laid Open No. 2002-23121) corresponds to Reference AB (U.S. Appl. No. 2003/0147656).

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