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Jun Yu
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Stittsville, CA
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last 30 patents
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Patent Grant
Configurable chirp mach-zehnder optical modulator
Patent number
5,991,471
Issue date
Nov 23, 1999
Nortel Networks Corporation
Jun Yu
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Coupling of strongly and weakly guiding waveguides for compact inte...
Patent number
5,799,119
Issue date
Aug 25, 1998
Northern Telecom Limited
Claude Rolland
G02 - OPTICS
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Patent Grant
Configurable chirp Mach-Zehnder optical modulator
Patent number
5,778,113
Issue date
Jul 7, 1998
Northern Telecom Limited
Jun Yu
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Semiconductor modulator with a .pi. shift
Patent number
5,694,504
Issue date
Dec 2, 1997
Northern Telecom Limited
Jun Yu
B82 - NANO-TECHNOLOGY