Spectral modification through phase modulation with spatial exte

Details Spectral modification through phase modulation with spatial exte Spectral modification through phase modulation with spatial exte

1996-01-11

1997-12-30

Chin, Wellington

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359130, 359179, 359341, H04J 1402

Patent

active

057037060

ABSTRACT:
An optical pulse propogating in an optical guide of an electro-optic medium interacts with a coplanar RF traveling wave to shift the optical wavelength. The RF phase is resynchronized to the optical pulse phase with spatial periodicity to provide a desired phase relationship between RF and optical radiation. A unidirectional incremental wavelength shifter comprises a frequency multiplexer for soliton communication and a symmetrical sideband modulator of this type varies the spectral width of probe illumination in an atomic absorption spectrometer probe beam.

REFERENCES:
patent: 4700339 (1987-10-01), Gordon et al.
patent: 5452124 (1995-09-01), Baker
Wiesenfeld, et al Cascadability and Fanout of Semiconductor Optical Amplifier Wavelength Shifter, Oct. 1992 IEEE Photonics Letters vol. 4 No. 10 pp. 1168-1171.
Romagnoli et al, Acousto-optic filter soliton control, Pure Appl. Opt Apr. (1995) pp. 441-449 195.

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