Spectrally stabilized laser

Details Spectrally stabilized laser Spectrally stabilized laser

1982-08-23

1984-05-22

Davie, James W.

Coherent light generators

Particular beam control device

Optical output stabilization

372 38, 372 44, H01S 319

Patent

active

044505655

ABSTRACT:
Single mode lasers are advantageously stabilized in order to prevent a side mode from growing to a level where partition noise effects degrade high speed performance. To obtain such spectral stability, the powers in the two adjacent side modes are measured, and the operating temperature of the laser varied in response to changes in their relative powers. Optimally, the gain curve peak is made to coincide with the preferred cavity mode.

REFERENCES:
patent: 3898583 (1975-08-01), Shuey
Electronics Letters, 21st vol. 15, No. 13, Jun. 1979, "Dual-Channel 1.5 Mb/s Lightwave Receiver Employing an InGaAsP Wavelength-Demultiplexing Detector"--T. P. Lee et al.
IEEE Journal of Quantum Electronics, May 1982, "Analysis of Mode Partition Noise in Laser Transmission System"--K. Ogawa.

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