G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 5/30 (2006.01) G02B 6/126 (2006.01) H01S 3/06 (2006.01) H01S 5/50 (2006.01)
Patent
CA 2098018
The present invention relates to an optical device comprising a wave-guide (30) and a polarisation converter, the wave-guide (30) and the polarisation converter comprising one common unit, the length of the wave-guide (30) being so chosen in relation to the rotation of the polarisation-state of an input signal that the device gets independent of the polarisation as well as a method for polarisation-independent processing of an optical signal. The polarisation of the signal is rotated when it goes through a wave-guide (30) , the rotation taking place in the wave-guide (30) itself and the length of the wave-guide (30) being so chosen that the processing of the signal gets independent of polarisation-state upon incidence.
Nicolaescu Sawyer
Telefonaktiebolaget Lm Ericsson
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