Optical system including etalon for optically processing electro

Coherent light generators – Particular component circuitry – Optical pumping

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350 9613, 372 21, 455611, 370 1, G02B 523, G02B 610, G02F 101, H01S 310

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active

048712353

ABSTRACT:
An optical system is disclosed which includes at least a first source of electromagnetic radiation (signal beam radiation), a device for processing the signal beam radiation, and a detector for detecting the processed signal beam radiation. The processing device functions, for example, as an amplitude modulator, a demultiplexer, or a switch, and includes a material region exhibiting a nonlinear optical response at one or more resonant wavelengths of electromagnetic radiation, as well as at least a second source of electromagnetic radiation (control beam radiation) for selectively inducing the nonlinear optical response. Significantly, the wavelength, duration and intensity of the control beam radiation are chosen to induce a resonant, nonlinear optical response, essentially free of any relatively slow component, in said material region at repetition rates higher than about 1.25.times.10.sup.4 Hz, or higher than about 3.3.times.10.sup.10 Hz, or even as high, or higher, than about 2.5.times.10.sup.11 Hz.

REFERENCES:
patent: 4209690 (1980-06-01), Rentzepis
patent: 4515429 (1985-05-01), Smith et al.
patent: 4630898 (1986-12-01), Jewell
patent: 4787714 (1988-11-01), Greene et al.
Smith et al., "Bistable Optical Devices Promise Subpicosecond Switching" IEEE Spectrum 6-1981 pp. 26-31.
Rushford et al., "Observation of Thermal Optical Bistability, Crosstalk Regenerative Pulsations and External Switch Off in a Simple Dye Filled Etalon" Optical Bistability Z 1984, (from Optical Bistability, Jun. 15-17, 1983), pp. 345-352.
Carter eta l., "Time and Wavelength Resolved Nonlinear Optical Spectroscopy of a Polydiacetylene in the Solid State Using Picosecond Dye Laser Pulses" Applied Physics Letters, vol. 47, No. 5, (Sep. 1-1985), pp. 457-459.

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