Methods for simultaneous suppression of laser pulsations and...

Details Methods for simultaneous suppression of laser pulsations and... Methods for simultaneous suppression of laser pulsations and...

H - Electricity

01

S

345/32

H01S 3/13 (2006.01) H01S 5/12 (2006.01) H01S 5/125 (2006.01)

Patent

CA 1118085

Abstract of the Disclosure Semiconductor lasers exhibit transient relaxation oscillations on start-up and specific lasers often exhibit sustained spontaneous pulsations caused probably by crystalline defects. These fluctuations are suppressed by coupling laser emission into a 0.3 to 2 cm. length of waveguide and coupling light reflected from the end of the waveguide back into the laser. Embodiments disclosed include one utilizing a length of optical fibre, while others are integrated optical structures.

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