Optical pulse generator

Details Optical pulse generator Optical pulse generator

1994-11-16

1998-08-25

Bacares, Rafael

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

385 8, H04B 1004

Patent

active

057988560

ABSTRACT:
The short optical pulse generator is provided with a semiconductor laser which oscillates continuously at a single wavelength, a semiconductor electro-absorption type optical modulator which performs the intensity modulation of the output light from the laser, and a sinusoidal voltage generator and a DC voltage generator for driving the electro-absorption type optical modulator. A DC voltage is applied to the electro-absorption type optical modulator so that the output light from the laser is sufficiently extinguished. By applying a sinusoidal voltage to the optical modulator, short optical pulses are generated.

REFERENCES:
patent: 4934775 (1990-06-01), Koai
patent: 5040865 (1991-08-01), Chen et al.
patent: 5199086 (1993-03-01), Johnson et al.
patent: 5249243 (1993-09-01), Skeie
patent: 5434693 (1995-07-01), Tanaka et al.
patent: 5515196 (1996-05-01), Kitajima et al.

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