Frequency-stabilized semiconductor laser oscillator

Details Frequency-stabilized semiconductor laser oscillator Frequency-stabilized semiconductor laser oscillator

H - Electricity

01

S

315/24, 345/32

H01S 3/137 (2006.01) H01S 5/0625 (2006.01) H01S 5/227 (2006.01)

Patent

CA 1242518

ABSTRACT The semiconductor laser device according to this invention comprises a semiconductor laser diode comprising a first optical waveguide layer section, a first electrode for injecting electric current to the first optical waveguide layer section, a second optical waveguide layer section which is connected to the first optical waveguide layer section and has a controllable refractive index, and a second electrode which applies a control signal for controlling the refractive index of the second optical waveguide layer section, and an electric circuit which applies modulation signals to the first electrode in order to modulate optical output from the semiconductor laser diode and which applies said second electrode with control signals having a predetermined proportionate relation in amplitude and a predetermined phase difference with said modulation signals for every frequency.

451595

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