Optical polarization regulator having a wave-guide structure

Details Optical polarization regulator having a wave-guide structure Optical polarization regulator having a wave-guide structure

1987-09-09

1989-01-17

Sikes, William L.

350 9612, 350 9613, 350 9614, 350 9615, 350370, 350374, 350375, G02B 612, G02B 530, G02B 2728

Patent

active

047984341

ABSTRACT:
The invention relates to an optical polarization regulator having a wave-guide structure for converting the polarization state of an optical beam passing through and comprising devices for adjusting the coupling constants K of the TE and TM modes of the optical beam and for adjusting the difference .DELTA..beta. of the propagation constants .beta..sub.TE and .beta..sub.TM of these modes. The wave-guide structure is a magnetooptical element (8, 9, 13). The coupling constant K is adjusted by a magnetic field acting upon the wave-guide structure (8, 9, 13) and the difference .DELTA..beta. is adjusted by a mechanical deformation force exerted on the wave-guide structure.

REFERENCES:
patent: 3995936 (1976-12-01), Hepner et al.
patent: 4359260 (1982-11-01), Reinhart et al.
patent: 4529875 (1985-07-01), Brogardh et al.
patent: 4707058 (1987-11-01), Tolksdorf et al.
patent: 4712855 (1987-12-01), Tolksdorf et al.
Electronics Letters, 1985, vol. 21, pp. 787-788, "New Polarisation Control Scheme for Optical Heterodyne Receiver Using Two Faraday Rotators," Okoshi et al.

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