Method of driving laser diode device and laser diode equipment

Coherent light generators – Particular beam control device – Control of pulse characteristics

Reexamination Certificate

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C372S070000

Reexamination Certificate

active

08081669

ABSTRACT:
A method of driving an ultrashort pulse and ultrahigh power laser diode device having a simple composition and a simple structure is provided. In the method of driving a laser diode device, light is injected from a light injection means into a laser diode device driven by a pulse current having a value 10 or more times as large as a value of a threshold current.

REFERENCES:
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patent: 5541947 (1996-07-01), Mourou et al.
Jun Ohya et al.; Generation of Picosecond Blue Light Pulse by Frequency Doubling of a Gain-Switched GaA1As Laser Diode having Saturable Absorber; IEEAE Journal of Quantum Electronics, vol. 27, 2050; 1991.
J.E. Ripper and J.C. Dyment; Internal Q Switching in GaAs Junction Lasers; Applied Physics Letters; vol. 12, No. 11; Jun. 1, 1968.
John Auyeung; Picosecond Optical Pulse Generation at Gigahertz Rates by Direct Modulation of a Semiconductor Laser; Applied Physics Letters; vol. 38, No. 5; Mar. 1, 1981.
N. Yamada and Y. Nakagawa; Pulse Shaping Using Spectral Filtering in Gain-switched Quantum Well Laser Diodes; Applied Physics letters; vol. 63, No. 583; 1993.
Peter Vasil'ev; Ultrafast Diode Lasers: Fundamentals and Applications; Artech House; 1995.

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