Optical frequency doubler using quantum well semiconductor struc

Details Optical frequency doubler using quantum well semiconductor struc Optical frequency doubler using quantum well semiconductor struc

1993-01-21

1994-02-22

Lee, John D.

Optical: systems and elements

Optical frequency converter

Harmonic generator

257 21, 359326, G02F 137

Patent

active

052893090

ABSTRACT:
Disclosed is a frequency doubler having a quantum well semiconductor structure and a second-order non-linear susceptibility grating that can be used to amplify notably the frequency doubling. The grating can be recorded optically or electrically within the semiconductor structure and has a pitch in the plane of the structure. Such a frequency doubler finds particular application to optical recording or reading systems.

REFERENCES:
patent: 4528464 (1985-07-01), Chemla et al.
patent: 4822992 (1989-04-01), Bar-Joseph et al.
patent: 4896931 (1990-01-01), Khurgin
patent: 5005933 (1991-04-01), Shimuzu
Physical Concepts of Materials for Novel Optoelectronic Device Applications, SPIE vol. 1361, Oct./Nov. 1990, pp. 262-273, J. S. Harris, Jr., et al., "Quantum Wells and Artificially Structured . . . ".
Nonlinear Optics 1990 Digest, Paper TP13, Jul. 1990, pp. 113-114, A. SA AR, et al., "Infrared Second Harmonic Generation by Intersubband Transitions in . . . ".
IEEE Journal of Quantum Electronics, vol. 25, No. 1, Jan. 1989, pp. 54-60, Z. Ikonic, et al., "Resonant Second Harmonic Generation by . . . ".
Physical Review Letters, vol. 62, No. 9, pp. 1041-1044, M. M. Fejer, et al., Feb. 1989, "Observation of Extremely Large Quadratic Susceptibility . . . ".

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