Grating-coupled surface-emitting superluminescent device

Details Grating-coupled surface-emitting superluminescent device Grating-coupled surface-emitting superluminescent device

G - Physics

02

F

345/46, 345/50

G02F 1/01 (2006.01) H01S 5/187 (2006.01) H01L 33/00 (2006.01)

Patent

CA 2000525

A GRATING-COUPLED SURFACE-EMITTING SUPERLUMINESCENT DEVICE Abstract of the Disclosure A superluminescent diode has one end coupled to a grating output coupler and the other end has a reflective coating. A broad light spectrum is emitted for reduced speckle interference and phase noise when used in applications such as a gyroscope. The diode can be of the "P side down" type for good heat dissipation during continuous wave operation. Two gratings can be used in order to reduce beam divergence.

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