Optical heterodyne detection and integrated optical component su

Details Optical heterodyne detection and integrated optical component su Optical heterodyne detection and integrated optical component su

1989-06-12

1991-03-26

Orsino, Joseph A.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

350172, H04B 1006

Patent

active

050036254

ABSTRACT:
An optical heterodyne or homodyne receiver includes a single constructively integrated optical component which combines a local oscillator beam with a signal beam to derive oppositely phased combined beams and further splits each of the combined beams into orthogonally polarized sub-beams. The integrated optical component has a polarization-sensitive beam-splitting layer in a first plane and a polarization-insensitive beam-splitting layer in a second plane, the two planes being perpendicular or parallel to each other.

REFERENCES:
patent: 4723315 (1988-02-01), Wetherell
O. E. DeLange, "Optical Heterodyne Detection", IEEE Spectrum (Oct. 1968) pp. 77-85 (relevance explained in specification).

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