Optical isolator

Details Optical isolator Optical isolator

1988-12-07

1991-09-03

Bovernick, Rodney B.

Optical waveguides

Polarization without modulation

359484, 359247, 359252, 359487, 372 96, 372106, 372703, G02F 1295, G02F 1035

Patent

active

050447130

ABSTRACT:
An improved optical isolator (6) for a semiconductor laser (2) for use in optical communication systems consists of a polarizer (4) and a birefringent medium (5). An electric field is applied to the birefringent medium (5) via electrodes (7) for varying the indices of refraction of the birefringent medium (5). By the variation of the indices of refraction, the optical isolator (6)can be adapted to different light wavelengths.

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patent: 4803692 (1989-02-01), Sakano et al.
patent: 4820009 (1989-04-01), Thaniyavarn

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