Coherent light generators – Particular beam control device – Nonlinear device
Patent
1992-02-18
1993-09-07
Scott, Jr., Leon
Coherent light generators
Particular beam control device
Nonlinear device
372 6, 372 70, 372 18, 359328, 385122, H01S 310
Patent
active
052436101
ABSTRACT:
A stable optical fiber dispersion-compensating device reduces electrical power consumption and compensates for wave deterioration due to dispersion of high speed signals having a frequency of several Gb/s or above. The devices includes a non-linear optical medium, a pump laser for generating pump light, means for injecting input signal light and the pump light into the non-linear optical medium, means for taking out output signal light which is frequency converted and is generated from the non-linear optical medium by non-degenerate four-wave mixing. The non-linear optical medium is a Fabry-Perot semiconductor laser, and the frequencies of the pump light and input signal light respectively substantially coincide with one of different resonant modes of the Fabry-Perot semiconductor laser.
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patent: 5140456 (1992-08-01), Huber
Yariv et al, "Compensation For Channel Dispersion By Nonlinear Optical Phase Conjugation", Optics Letters, vol. 4, No. 2, Feb. 1979, pp. 52-54.
Provost et al, "Cavity-Enhanced Highly Nondegenerate Four-Wave Mixing In GaAlAs Semiconductor Lasers", Applied Physics Letters, vol. 55, No. 6, Aug. 1989, pp. 519-521.
Favre et al, "Contradirectional Four-Wave Mixing In 1.51 .mu.m Near-Travelling-Wave Semiconductor Laser Amplifier", Electronics Letters, vol. 25, No. 16, Aug. 1989, pp. 1053-1055.
Murata et al, "THz Optical-Frequency Conversion of 1GB/s-Signals Using Highly Nondegenerate Four-Wave Mixing In An InGaAsP Semiconductor Laser", IEEE Transactions Photonics Technology Letters, vol. 3, No. 11, Nov. 1991, pp. 1021-1023.
Jr. Leon Scott
NEC Corporation
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