Optical crossbar exchange arrangement

Details Optical crossbar exchange arrangement Optical crossbar exchange arrangement

1993-05-20

1994-04-05

Turner, Samuel A.

Optics: measuring and testing

By particle light scattering

With photocell detection

385 16, G01B 902

Patent

active

053010086

ABSTRACT:
An optical crossbar exchange arrangement is implemented using a modified Sagnac switch. During the absence of a control signal, two separately numbered inputs are coupled to the same numbered outputs of the Sagnac switch (i.e., input1 to output1, etc.). During the presence of a control signal each of the two numbered inputs are switched and are coupled to a different numbered output (e.g., input1 to output2, etc.).

REFERENCES:
patent: 4761050 (1988-08-01), Byron
patent: 4962987 (1990-10-01), Doran
patent: 4973122 (1990-11-01), Cotter et al.
patent: 4995690 (1991-02-01), Islam
patent: 5144375 (1992-09-01), Gabriel et al.
"Ultrafast switching with a single-fiber interferometer," M. J. LaGasse, et al., Optics Letters, vol. 14, No. 6, (Mar. 15, 1989).
"Ultrafast, low power, and highly stable all-optical switching in an all polarization maintaining fiber Sagnac interferometer," M. Jinno, et al., (Apr., 1990).
"Soliton switching in a fiber nonlinear loop mirror," M. N. Islam et al., Optics Letters, vol. 14, No. 15, (Aug. 1, 1989).

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