G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 27/28 (2006.01) G02B 5/30 (2006.01) G02B 27/10 (2006.01) H04B 10/135 (2006.01) H04B 10/20 (2006.01)
Patent
CA 2419357
To generate light with the degree of polarization zeroed and the spread of an optical spectrum suppressed even with temporal overlapping between optical pulses each of which is polarized orthogonally to the succeeding pulse, a polarization scrambler is provided with an optical pulse generator (10) that generates optical pulses with an intensity waveform repetition period T/2 and an electrical field period T in which the same intensity waveform is repeated every repetition period T/2 and in which phase is inverted every repetition period T/2, and an orthogonal polarization delay unit (20) which receives each of the optical pulses, separates the optical pulse into two optical pulses with orthogonal states of polarization, and relatively shifts the temporal position of one of the two optical pulses from that of the other optical pulse by (2n-1) T/4 (n is a natural number) to generate light in which each pulse is polarized orthogonally to a succeeding pulse.
Fujiwara Masamichi
Iwatsuki Katsumi
Takachio Noboru
Teshima Mitsuhiro
Mccarthy Tetrault Llp
Nippon Telegraph And Telephone Corporation
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