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

1994-09-16

1996-05-14

Pascal, Leslie

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359326, 385 2, 356311, H04B 1004, G02F 135

Patent

active

055173462

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: 4448479 (1984-05-01), Alferness
patent: 4834535 (1989-05-01), Cammann
patent: 5091981 (1992-02-01), Cunningham
patent: 5278924 (1994-01-01), Schaffner
patent: 5339369 (1994-08-01), Hopfer et al.
Optical Frequency Shifting of a Mode-Locked Laser Beam, Duguay et al, Aug./ 1968, IEEE, vol. QE4, #8, pp. 477-481, Journal of Quantum Electronics.

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