Optical device which outputs independently modulated light...

Details Optical device which outputs independently modulated light... Optical device which outputs independently modulated light...

2008-11-07

2010-11-02

Stahl, Mike (Department: 2874)

Optical waveguides

Temporal optical modulation within an optical waveguide

Electro-optic

C385S003000

Reexamination Certificate

active

07826689

ABSTRACT:
According to an aspect of an embodiment, an optical device comprising: a first modulator for independently modulating first light having a first predetermined polarization mode; a second modulator for independently modulating second light having a second predetermined polarization mode; and a polarization beam coupler having a first port, a second port, a third port, and a fourth port; the polarization beam coupler for inputting the first light from the first modulator via the first port, inputting the second light from the second modulator via the second port, outputting the first light via the third port and inputting reflected and polarization converted light on the first light by a wave plate and a mirror, and outputting the first light having the converted polarization mode and the second light having the predetermined polarization mode via the fourth port.

REFERENCES:
patent: 5654818 (1997-08-01), Yao
patent: 6081360 (2000-06-01), Ishikawa et al.
patent: 2004/0184755 (2004-09-01), Sugiyama et al.
patent: 2005/0213863 (2005-09-01), Sugiyama et al.
patent: 2007/0206950 (2007-09-01), Liu et al.
patent: 2009/0324157 (2009-12-01), Sugiyama
patent: 7-325276 (1995-12-01), None
patent: 2005-266362 (2005-09-01), None
Patent Abstracts of Japan, Publication No. 2008-046573, published Feb. 28, 2008.
Patent Abstracts of Japan, Publication No. 08-278422, published Oct. 22, 1996.

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