Coherent mixing of optical signals

Details Coherent mixing of optical signals Coherent mixing of optical signals

1988-12-19

1990-02-06

Sikes, William L.

G02B 626, G02B 642

Patent

active

048984434

ABSTRACT:
A non-circularly-symmetric intensity distribution is formed on a quadrant photodetector by coherently mixing two optical signals propagating in selected modes of different order. These modes are chosen either such that a change in relative phase of the two signals produces solely a rotation of the orientation of that intensity distribution, or such that a change in relative states of polarization produces this rotation.

REFERENCES:
Sorin et al.; "Highly Selective Evanescent Model Filter for Two-Mode Optical Fibers"; Optics Letters; vol. 11, No. 9; Sep. 1986.

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