Dual-stage optical isolator minimized polarization mode...

Details Dual-stage optical isolator minimized polarization mode... Dual-stage optical isolator minimized polarization mode...

2006-04-04

2006-04-04

Boutsikaris, Leonidas (Department: 2872)

Optical: systems and elements

Polarization without modulation

Polarization using a time invariant electric, magnetic, or...

C359S494010, C359S490020, C359S490020, C372S703000, C385S011000

Reexamination Certificate

active

07023618

ABSTRACT:
An optical isolator includes a first stage configured to refract a light ray applied in a forward direction into a first ray and a second ray. A second stage rotated 90° with respect to the first is configured to refract said first and second rays in a substantially parallel manner. The isolator is configured such that the first ray comprises an e-ray with respect to the first stage and an o-ray with respect to the second stage, and the second ray comprises an o-ray with respect to the first stage and an e-ray with respect to the second stage, thereby substantially reducing the effects of polarization mode dispersion.

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patent: 2002/0135882 (2002-09-01), Xie
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