Integrated optical isolator

Details Integrated optical isolator Integrated optical isolator

1995-05-16

1997-01-14

Bovernick, Rodney B.

Optical waveguides

With optical coupler

Plural

385 27, 385 34, 385 14, G02B 628

Patent

active

055948219

ABSTRACT:
An integrated optical isolator arrangement is described that is capable of isolating an input optical signal and coupling a pump signal. The coupler includes a pair of lenses with an isolator disposed therebetween. The isolator is sandwiched between a splitter/filter and a wavelength selective device. An end face of each lens has an input and an output port for receiving and transmitting optical signals. The splitter/filter is selected to transmit some of the input signal on a first input port and to reflect the remaining untransmitted portion of the input optical signal to a first output port proximate to the first input port. The wavelength selective device allows the input signal from the first input port to pass through it to a second output port, and in addition, reflects a pump signal transmitted on the second input port to the second output port for combination with the input optical signal.

REFERENCES:
patent: 5082343 (1992-01-01), Coult et al.
patent: 5267078 (1993-11-01), Shiraishi et al.

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