Wavelength locker and optical system using the same

Details Wavelength locker and optical system using the same Wavelength locker and optical system using the same

G - Physics

02

F

G02F 1/25 (2006.01) G01J 3/26 (2006.01) H01S 5/183 (2006.01) H04J 14/02 (2006.01) H01S 5/0687 (2006.01)

Patent

CA 2411300

Apparatus for use in tuning a tunable optical device to a target wavelength, the apparatus comprising: a beam splitter for upping a portion of the light emerging from the tunable optical device; a walk-off reflector for dividing the portion of the light emerging from the beam spliter into a plurality of beams; a multiple etalon for tailoring the light from at least two of the plurality of beams provided by the walk-off reflector; a multiple detector for detecting light from the multiple etalon and the walk-off reflector, the multiple detector providing a plurality of output signals; and a control unit for controlling the tunable optical device by providing a control signal to the tunable optical device according to the output signal provided by the multiple detector.

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