Mode-hop-free hybrid external-cavity laser with passive thermo-optic coefficient compensation

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United States of America Patent

PATENT NO 9871346
SERIAL NO

15425889

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Abstract

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The disclosed embodiments relate to a system that implements a hybrid laser. This system includes a reflective gain medium (RGM) comprising an optical gain material coupled to a mirror. This RGM is coupled to a spot-size converter (SSC), which optically couples the RGM to an optical reflector through a silicon waveguide. The SSC converts an optical mode-field size of the RGM to an optical mode-field size of the silicon waveguide. During operation, the RGM, the spot-size converter, the silicon waveguide and the silicon mirror collectively form a lasing cavity, wherein an effective thermo-optic coefficient (TOC) of a portion of the lasing cavity that passes through the optical gain material and the SSC material is substantially the same as the TOC of silicon. Finally, a laser output is optically coupled out of the lasing cavity.

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Patent Owner(s)

Patent OwnerAddress
ORACLE INTERNATIONAL CORPORATION500 ORACLE PARKWAY MAIL STOP 5OP7 REDWOOD SHORES CA 94065

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bovington, Jock T La Jolla, US 58 158
Krishnamoorthy, Ashok V San Diego, US 216 3862
Lee, Jin-Hyoung San Diego, US 41 276
Shubin, Ivan San Diego, US 36 836
Zheng, Xuezhe San Diego, US 154 2075

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