Tunable laser using microring resonator

Coherent light generators – Particular beam control device – Tuning

Reexamination Certificate

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C372S092000, C372S094000, C372S097000

Reexamination Certificate

active

06940878

ABSTRACT:
A tunable semiconductor laser device is presented. The device comprises a laser structure formed by at least two waveguides and an active region located within at least a segment of one of the waveguides; and comprises a tunable spectral filter optically coupled to the laser structure. The tunable spectral filter includes at least two filtering elements, at least one of them being a microring cavity.

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