The present invention discloses a hybrid optical amplifier coupling a Raman fiber amplifier and a semiconductor optical amplifier, comprising: a laser diode generating and radiating a laser light for a Raman optical amplification; a wavelength division multiplexer passing an incident signal light and radiating a laser light radiated from the laser diode in a reverse direction of the incident signal light; and a gain clamped semiconductor optical amplifier amplifying an optical signal light radiated from the wavelength division multiplexer.

 
Web www.patentalert.com

< Optical pickup apparatus for detecting a focus-error signal using a spot size detection method

< Integrated post-amplifier and laser driver assembly with digital control interface

> Optical disk apparatus and method for adjusting optical disk apparatus laser power

> Optical methods and systems for rapid screening of the cervix

~ 00297