RF/optical modulator-demodulator

Details RF/optical modulator-demodulator RF/optical modulator-demodulator

1994-02-10

1995-05-30

Hellner, Mark

Optical: systems and elements

Optical modulator

Light wave temporal modulation

332176, 324 96, G01R 3100

Patent

active

054207150

ABSTRACT:
A modulator or demodulator has a transparent nonlinear dielectric material (crystal), and an optical fiber for coupling light thereinto. RF is coupled into the crystal by a dielectric waveguide which is matched to the crystal. The nonlinear crystal causes the light and RF to interact, to cause products which can be detected at the dielectric waveguide. When used as a modulator or demodulator, the modulated light may be coupled out by a second optical fiber, and or the modulated RF may be coupled out by a second dielectric waveguide. The dielectric waveguide may be transitioned to conventional hollow conductive waveguide.

REFERENCES:
patent: 4070621 (1978-01-01), Bassen et al.
patent: 4818616 (1989-04-01), Milverton et al.
patent: 4885113 (1989-12-01), Gillberg-LaForce
patent: 4923288 (1990-05-01), Allen et al.
patent: 5055810 (1991-10-01), de La Chapelle et al.
patent: 5094553 (1992-03-01), Yakymyshyn et al.
patent: 5144044 (1992-09-01), Goto et al.
patent: 5194984 (1993-03-01), Boden et al.
patent: 5200541 (1993-04-01), Thami
patent: 5202786 (1993-04-01), Boyle et al.

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