Optical circulator using latchable garnet

Details Optical circulator using latchable garnet Optical circulator using latchable garnet

1998-10-20

1999-12-14

Ben, Loha

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359282, 359484, 359494, 359256, 372703, G02F 109

Patent

active

060025123

ABSTRACT:
An optical circulator is disclosed that utilizes a polarization rotator comprising a polarization changer (e.g., a properly-oriented half-wave plate) in combination with a pair of latched garnet Faraday rotators. The latched garnet rotators are positioned next to each other and oriented so that one latched garnet rotator provides clockwise rotation and the other provides counterclockwise rotation. The use of latched garnet with a single half wave plate results in an arrangement that is reduced in overall size and does not require epoxy to interconnection the various piece parts.

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