Polarisation switching in active devices

Details Polarisation switching in active devices Polarisation switching in active devices

H - Electricity

01

S

345/12, 345/56,

H01S 5/06 (2006.01) G02F 3/00 (2006.01) G02F 3/02 (2006.01) H01S 5/026 (2006.01) H01S 5/062 (2006.01) H01S 5/0625 (2006.01) H01S 5/40 (2006.01)

Patent

CA 1309766

ABSTRACT POLARISATION SWITCHING IN ACTIVE DEVICES The output polarisation of a twin guide semiconductor laser is switched either by controlling the operating current of both guides or by injecting an optical signal. Twin-stripe and twin-ridge lasers of InGaAsP are described. True polarisation bistability is reported for a range of devices; the effect is temperature insensitive.

593274

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