Driver circuit for a laser

Details Driver circuit for a laser Driver circuit for a laser

1993-03-19

1994-03-22

Epps, Georgia Y.

Coherent light generators

Particular component circuitry

Optical pumping

372 29, 372 26, H01S 300

Patent

active

052971570

ABSTRACT:
A driver circuit for a laser includes a first differential amplifier with a first controlled current source, and at least one second differential amplifier with an associated second controlled current source. The at least one second differential amplifier is connected in parallel with the first differential amplifier so that the laser is a common load of the first and the at least one second differential amplifiers. A control circuit controls the current sources based on an external control voltage.

REFERENCES:
patent: 4539686 (1985-09-01), Bosch et al.
patent: 4995105 (1991-02-01), Wechsler
patent: 5038189 (1991-08-01), Fukudome
Rein, "Multi-Gigabit-Per-Second Silicon Bipolar IC's for Future Optical-Fiber Transmission Systems", IEEE Journal of Solid-State Circuits, vol. 23, No. 3, Jun. 1988, pp. 664-675.
Yamashita et al., "Master-Slice Monolithic Integration Design and Characteristics of LD/LED Transmitters for 100-400 Mbit/s Optical Transmission Systems", Journal of Lightwave Technology, vol. LT-4, No. 3, Mar. 1986, pp. 353-359.
Rein et al., "Integrierte Biopolarschaltungen", Springer-Verlag, Berlin, Heidelberg, 1980, pp. 100-105.

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