G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 27/10 (2006.01) G02B 6/26 (2006.01) G02B 6/34 (2006.01) G02B 27/28 (2006.01) H04B 10/18 (2006.01) H04J 14/02 (2006.01)
Patent
CA 2411166
The invention provides an optical device including a polarization diversity unit for receiving an input optical signal and producing two beams of light having a same polarization state therefrom, a beam swapping element disposed for receiving the first and second beams of light and for redirecting the two beams of light to a same overlapping area of a modulator, and a reflective surface for reflecting the two beams of light back to the polarization diversity unit where they are combined to form an output optical signal. The beam swapping element is designed and positioned such that the first and second beams of light swap positions upon reflection from the reflective surface and trace out the other's optical path. Advantageously, this optical arrangement essentially eliminates all PDL and PMD.
Morgan John Paul
Philipson Joshua
Jds Uniphase Inc.
Teitelbaum & Maclean
LandOfFree
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