Method and circuit for operating a laser diode

Coherent light generators – Particular component circuitry – Optical pumping

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372 29, 372 32, H01S 330

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059463333

ABSTRACT:
A method for adjusting the intensity of a laser beam which is generated by a laser diode which is controlled by an adjustment signal and a noise signal. A circuit for intensity adjustment for the modulation of a laser beam generated by a laser diode which includes a control means of an adjustment signal, means for generating a noise signal, and means for controlling the laser diode with the noise signal and the adjustment signal.

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Lima, C.R. & Davies, P.A., "Effects of Extra Low-Frequency Noise Injection on Microwave Signals Generated by a Gain Switched Semiconductor Laser", Applied Physics Letters, 65(8):950-52 (Aug. 22, 1994).
Doev, V.S., Koledov, V.V. & Yu Kuklin, A, "Mode Hopping Noise Reduction by RF Nodulation of the Pump Current of an Injection Semiconductor Laser with an External Cavity", Kvantovaya Elektronika 21(7): 660-664 (1994) (no month available).

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