Title:
Y-JUNCTION REFLECTOR TUNABLE DELAY OR RESONATOR WAVEGUIDE DEVICES
Document Type and Number:
WIPO Patent Application WO2005120194
Kind Code:
A3
Abstract:
The invention provides tunable delay or resonator devices in an electro optical substrate (12). Signals in at least one waveguide (16, 34, 68) in the electro optical substrate pass through Y -junction reflectors (18, 20, 32, 78) which direct signals from one branch of the waveguide back into another branch of the waveguide. A coupled delay or resonator approximated loop is presented in an embodiment of the invention with opposing Y -junction reflectors. In other embodiments of the invention, a delay ladder is provided with selectable levels of delay from multiple outputs.
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Inventors:
CHEN JIANXIAO (US)
YU PAUL KIT LAI (US)
KAWANISHI TETSUYA (JP)
HIGUMA KAORU (JP)
YU PAUL KIT LAI (US)
KAWANISHI TETSUYA (JP)
HIGUMA KAORU (JP)
Application Number:
PCT/US2005/019095
Publication Date:
May 04, 2006
Filing Date:
June 01, 2005
Export Citation:
Assignee:
UNIV CALIFORNIA (US)
CHEN JIANXIAO (US)
YU PAUL KIT LAI (US)
KAWANISHI TETSUYA (JP)
HIGUMA KAORU (JP)
CHEN JIANXIAO (US)
YU PAUL KIT LAI (US)
KAWANISHI TETSUYA (JP)
HIGUMA KAORU (JP)
International Classes:
G02B6/12; G02B6/125; G02B6/42; G02F1/035; G02F1/313; G02F1/21
Domestic Patent References:
WO2001033267A1 | 2001-05-10 |
Foreign References:
EP0602839A1 | 1994-06-22 | |||
US6389203B1 | 2002-05-14 |
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