Optical apparatus

Details Optical apparatus Optical apparatus

G - Physics

02

B

G02B 6/26 (2006.01) G02B 6/28 (2006.01) G02B 6/34 (2006.01)

Patent

CA 2099599

2099599 9205459 PCTABS00011 A coherent detector which is insensitive to signal or polarisation state may be assembled using a fused optical fibre multiport constructed from five optical fibres. The fibres are fused in a circularly symmetric arrangement, then tapered until power injected into any input is equally distributed to all outputs. Reference signals are injected into adjacent inputs and the signal to be detected into a signal adjacent one of the reference inputs.

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