Waveguide electrooptic light modulator with low optical loss

Details Waveguide electrooptic light modulator with low optical loss Waveguide electrooptic light modulator with low optical loss

1989-08-24

1990-06-26

Sikes, William L.

350 9615, 350 9612, G02B 610, G02B 602, G02B 626

Patent

active

049366459

ABSTRACT:
In one embodiment this invention provides a thin film waveguide electrooptic light modulator which consists of (1) a laminated assembly of a waveguiding thin film of an organic polymer which exhibits second order nonlinear optical response, and upper and lower organic polymer blend cladding layers, each of which has a lower index of refraction between about 0.002-0.02 lower than the waveguiding thin film and which exhibits second order nonlinear optical response; and (2) electrodes which are positioned to apply an electric field to the laminated assembly.

REFERENCES:
"Optical waveguides by diffusion in II-VI compounds" by Hall et al., Appl. Phys. Lett. 21 (7), pp. 325-327, Oct. 1, 1972.
"Phase Matching in Second-Harmonic Generation Using Artificial Periodic Structures" by Bey et al., IEEE J. of Quantum Electronics, QE-9(1), Jan. 1973.
"Theory of Phase and Amplitude Bunching in Traveling Wave Interactions", By Shiren et al., Appl. Phys. Lett., vol. 22, No. 10, 15 May 1973.
"Guided-Wave Devices for Optical Communication" by Alferness, IEEE J. of Quantum Electronics, vol. QE-17, No. 6, Jun. 1981.
"Multigigahertz Lumped-Element Electrooptic Modulators", by Becker, IEEE J. of Quantum Electronics, vol. QE-21, No. 8, Aug. 1985.
"Generation of 22 mW of 532-nm radiation by frequency doubling in Ti: MgO: LiNoO.sub.3 waveguides", by Fejer et al., Optics Letters/vol. No. 4, Apr. 1986.
"Phase matching by periodic variation of nonlinear coefficients", by Yacoby et al., by J. Appl. Phys., vol. 44, No. 7, Jul. 1973.
"Second harmonic generation in poled polymer films", by Singer et al., Appl. Phys. Letter 49(5), 4 Aug. 1986.

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