WAVELENGTH TUNABLE EXTERNAL CAVITY LASER GENERATING DEVICE

摘要

PURPOSE: An apparatus for generating a wavelength tunable external cavity laser is provided to perform high speed modulation by integrating a light amplifier, a reflective multimode intervening machine, and light modulator on one substrate into a successive waveguide form. CONSTITUTION: A light amplifier(130), a reflective multimode intervening device(140), and a light signal processor(150) are offered on a first substrate(110). The light amplifier, the reflective multimode intervening device, and the light signal processor form a successive wave guide. An external wavelength tunable reflector(220) is offered on a second substrate(210). The external wavelength tunable reflector reflects light corresponding to a specific wave from lights which enter. A mode intervening device reflects some of incident lights. The mode intervening device transmits the rest light of the incident lights. The light amplifier is installed between the external wavelength tunable reflector and the reflective multimode intervening device.