Optical waveguides – Directional optical modulation within an optical waveguide – Acousto-optic
Patent
1997-02-07
1998-05-26
Ngo, John
Optical waveguides
Directional optical modulation within an optical waveguide
Acousto-optic
G02B 610
Patent
active
057579873
ABSTRACT:
An acousto-optic modulator arrangement includes an optical waveguide, such as an optical fiber, coupled to a substrate having an acoustic transducer formed thereon, by an acoustically-compatible solder composition. An acoustically-compatible solder composition provides advantageously low power reflections at the substrate-solder and solder-optical waveguide interfaces for acoustic waves generated by the transducer. Such propagated acoustic waves are then useable to modulate a light signal propagating through the waveguide by an acousto-optic effect with an advantageous modulation efficiency.
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D.B. Patterson, et al. "Noninvasive Switchable Acousto-Optic Taps for Optical Fiber", J. Of Lightwave Technology, vol. 8, No. 9, pp. 1304-1312, (1990).
H.F. Taylor, "Acoustooptic-Modulators for Single-Mode Fibers", J. Of Lightwave Technology, vol. LT-5, No. 7, pp. 990-992 (1987).
C.S. Tsai, Guided Wave Acousto-Optics-Interactions, Devices, and Applications, Ch. 6, pp. 205-231 (Springer-Verlang, N.Y. 1990).
Lucent Technologies - Inc.
Ngo John
Rudnick Robert E.
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