Electrooptically balanced alternating .DELTA..beta. switch

Details Electrooptically balanced alternating .DELTA..beta. switch Electrooptically balanced alternating .DELTA..beta. switch

1980-01-11

1981-04-21

Corbin, John K.

350355, G02B 514

Patent

active

042629934

ABSTRACT:
An electrooptical waveguide switching device comprising three sections of abutting crystalline substrates, the easy axis of each substrate being orthogonal to that of its neighbors. Each substrate is formed with a pair of waveguide sections which couple with those of the other sections, when the substrates are abutted, to form a pair of waveguide channels across the substrate sections. Sets of electrodes for directing horizontal and vertical electric fields through one waveguide channel are also formed on the substrate sections symmetrically about an axis of symmetry.

REFERENCES:
patent: 3874782 (1975-04-01), Schmidt
patent: 3877781 (1975-04-01), Kaminow
patent: 4012113 (1977-03-01), Kogelnik et al.
patent: 4048591 (1977-09-01), Auracher
patent: 4070094 (1978-01-01), Martin
patent: 4094579 (1978-06-01), McMahon et al.
patent: 4157860 (1979-06-01), Marcatili
Burns et al, "Interferometric Waveguide Modulator With . . . ", Applied P. Lett., vol. 33, No. 11, Dec. 1978, pp. 944-947.
Schmidt et al, "Electro-Optically Switched Coupler With . . . ", Applied Phys. Lett., vol. 28, No. 9, May 1976, pp. 503-506.
Kogelnik et al, "Switched Directional Couplers with Alternating .DELTA..beta.", IEEE J.Q.E., vol. QE-12, No. 7, Jul. 1976, pp. 396-401.
Steinberg et al, "Performance Limitations Imposed on Optical . . . ", Applied Optics, vol. 15, No. 10, Oct. 1976, pp. 2440-2453.
Steinberg et al., "Polarization-Insensitive Integrated-Optical Switches: . . . ", Applied Optics, vol. 16, No. 8, Aug. 1977, pp. 2166-2170.

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