Integrated optics device for optical polarization conversion

Details Integrated optics device for optical polarization conversion Integrated optics device for optical polarization conversion

1986-03-24

1988-03-22

LaRoche, Eugene R.

350 9613, G02B 612

Patent

active

047324449

ABSTRACT:
An integrated optics optical polarization conversion device comprising a guide structure formed by integrated optics in a flat substrate made from a uniaxial crystalline material having electro-optical properties in which two distinct modes may propagate. In accordance with the invention, the optical axis of the crystal of said substrate forms an angle with the plane of the substrate less than (.pi./2) radians. In one of the variants, said axis is parallel to the direction of propagation of the guided wave and the device comprises a single set of homogeneous electrodes.

REFERENCES:
patent: 4198115 (1980-04-01), Kaminow
patent: 4400052 (1983-08-01), Alferness et al.
Journal of Applied Physics, vol. 50, No. 4, Apr. 1979; pp. 2555-2564, American Institute of Physics, New York, U.S.; S. Yamamoto: "Guided-Radiation Mode Interaction in Off-Axis Propagation in Anisotropic Optical Waveguides with Application to Direct-Intensity Modulators: *p. 2556, col. 1, lines 24-37; figures 1, 2*.
1981 IEEE MTT-S International Microwave Symposium Digest, 1981, pp. 528-530, IEEE, New York, U.S.: S. Yamamoto: "Polarization-Rotated Radiation Conversion in Electrooptic Waveguides" *figure 3*.
IEEE Journal of Quantum Electronics, vol. QE-18, No. 4, Apr. 1982, pp. 767-771, New York, U.S.; F. Heismann, et al.: "Integrated-Optical Single-Sideband Modulator and Phase Shifter" *figure 3*.

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