Back to results
US 11,239,634 B2Granted
Ring laser integrated with silicon-on-insulator waveguide
AssigneeUNM Rainforest Innovations
InventorsMarek Osinski, Gennady A. Smolyakov
Life of this patent
Estimating the term…
Abstract
The present invention provides one or more injection-lockable whistle-geometry semiconductor ring lasers, which may be cascaded, that are integrated on a common silicon-on-insulator (SOI) substrate with a single-frequency semiconductor master laser, wherein the light output from the semiconductor master laser is used to injection-lock the first of the semiconductor ring lasers. The ring lasers can be operated in strongly injection-locked mode, while at least one of them is subjected to direct injection current modulation.
Claims11
A semiconductor light-emitting device comprising:
- a silicon-on-insulator (SOI) substrate;
- a silicon injecting waveguide formed in said substrate;
- a first passive silicon ring or disk formed in said substrate, said first passive silicon ring or disk directly connected to said silicon injecting waveguide in a whistle configuration;
- a first silicon outcoupling waveguide formed in said substrate, said first silicon outcoupling waveguide adjacent to said first passive silicon ring or disk and laterally evanescently coupled to said first passive silicon ring or disk;
- a first active ring or disk laser formed on top of said first passive silicon ring or disk, and vertically optically coupled to said first passive silicon ring or disk;
- and
- optical output of said first active ring or disk laser is coupled to said first passive silicon ring or disk and collected by said first silicon outcoupling waveguide.
4 more elements
Dependencies are inferred from the claim text.