Coherent light generators – Particular resonant cavity – Distributed feedback
Patent
1996-11-13
1998-05-12
Scott, Jr., Leon
Coherent light generators
Particular resonant cavity
Distributed feedback
372 23, 372 34, H01S 308
Patent
active
057517584
ABSTRACT:
There is provided a device comprising a distributed feedback semicon-ductor laser having .lambda./4 phase shift diffraction grating and antireflection films coated on a light input end and a light output end to transmit phase conjugate wave, a probe beam light source for injecting the probe beam into the light input end of the distributed feedback semiconductor laser, a current supplying means for supplying electric current to the distributed feedback semiconductor laser to oscillate pump beam, and a lens system for extracting phase conjugate wave which is output from the light output end of the distributed feedback semiconductor laser by injecting the probe beam into the distributed feedback semiconductor laser which is oscillating the pump beam.
REFERENCES:
IEEE Journal of Quantum Electronics. vol. 29, No. 6, Jun. 1993, New York US, pp. 1477-1487.
Journal of Lightwave Technology, vol. 11, No. 12, Dec. 1, 1993 pp. 2026-2032.
Applied Physics Letters, vol. 58, No.14, Apr. 8, 1991, pp. 1458-1460.
Narrow linewidth and wavelength tunable multiple quantum well .lambda./4 shifted distributed feedback laser--Y. Kotaki et al. OFC'90/Thursday Morning/159.
Observation of highly nondegenerate four-wave mixing (>1 THz) in an InGaAsP multiple quantum well laser --S. Murate et al. Appl. Phys. Lett. 58 (14), pp. 1458-1460--8 Apr. 1991.
Four-wave mixing in traveling-wave semiconductor amplifiers. A Mecozzi et al., IEEE Journal of Quantum Electronics. vol. 31, No. 4, pp. 689-699--Apr. 1995.
THz frequency conversion using nondegenerate four-wave mixing process in a lasing long-cavity .lambda./4-shifted DFB laser. H. Kuwatsuka et al. Electronic Letter--vol. 31, No.24, pp. 2108-2110 23rd Nov. 1995.
Nanometer wavelength conversion of picosecond optical pulses using cavity-enhanced highly nondegenerate four-wave mixing in semiconductor laser. P. P. Iannone et al. IEEE Journal of Quantum Electronics, vol.31, No.7 pp. 1285-1291--Jul. 1995.
Fujitsu Limited
Jr. Leon Scott
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