Optically active waveguide and method of formation

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United States of America Patent

PATENT NO 11733457
SERIAL NO

17481710

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Abstract

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Integrated-optics systems are presented in which an active-material stack is disposed on a coupling layer in a first region to collectively define an OA waveguide that supports an optical mode of a light signal. The coupling layer is patterned to define a coupling waveguide and a passive waveguide, which are formed as two abutting, optically coupled segments of the coupling layer. The lateral dimensions of the active-material stack are configured to control the shape and vertical position of the optical mode at any location along the length of the OA waveguide. The active-material stack includes a taper that narrows along its length such that the optical mode is located completely in the coupling waveguide where the coupling waveguide abuts the passive waveguide. In some embodiments, the passive layer is optically coupled with the OA waveguide and a silicon waveguide, thereby enabling light to propagate between them.

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Patent Owner(s)

Patent OwnerAddress
QUINTESSENT INC120 CREMONA DR SUITE 155 GOLETA NJ 93117

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Davenport, Michael Santa Barbara, US 36 192
Koch, Brian Santa Barbara, US 31 215
Liu, Alan Santa Barbara, US 34 435

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