Optical transmitter equipment and semiconductor laser device

Details Optical transmitter equipment and semiconductor laser device Optical transmitter equipment and semiconductor laser device

2005-08-16

2005-08-16

Wong, Don (Department: 2821)

Coherent light generators

Particular component circuitry

For driving or controlling laser

C372S075000

Reexamination Certificate

active

06931039

ABSTRACT:
Optical transmitter equipment and a semiconductor laser device are provided. In one example, optical transmitter equipment includes a semiconductor laser driven by a direct-modulated method. The optical transmitter equipment comprises at least a semiconductor laser, the semiconductor laser having an active layer for laser oscillation and a clad region for optical confinement; an emission device capable of supplying optical energy to the active layer in the semiconductor laser; and a drive circuit for the semiconductor laser. The emission device is configured to supply optical energy corresponding to a bias current in the semiconductor laser to the active layer in the semiconductor laser.

REFERENCES:
patent: 4802182 (1989-01-01), Thornton et al.
patent: 5252839 (1993-10-01), Fouquet
patent: 5513204 (1996-04-01), Jayaraman
patent: 6252895 (2001-06-01), Nitta et al.
patent: 6331990 (2001-12-01), Parker et al.
patent: 6714574 (2004-03-01), Clayton et al.
patent: 2002/0075935 (2002-06-01), Clayton
patent: 2002/0146053 (2002-10-01), Iwai

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