Title :
Wavelength trimming technology for multiwavelength DFB laser arrays in dense WDM applications
Author :
Nakano, Yoshiaki
Author_Institution :
Dept. of Electron. Eng., Tokyo Univ., Japan
Abstract :
We have proposed the use of the photoabsorption induced disordering (PAID) process for post-fabrication adjustment of lasing wavelength, and demonstrated 0.4 nm trimming in a 1.55 μm ridge waveguide DFB laser. This technique relies only on the preferential absorption of the laser beam energy in quantum well active regions, thus being applicable to any type of waveguide structures
Keywords :
distributed feedback lasers; optical communication equipment; quantum well lasers; semiconductor laser arrays; waveguide lasers; wavelength division multiplexing; 1.55 micron; dense WDM; multiwavelength DFB laser array; photoabsorption induced disordering; ridge waveguide MQW laser; wavelength trimming; Laser beams; Laser stability; Laser tuning; Optical arrays; Power lasers; Quantum well lasers; Refractive index; Temperature; Waveguide lasers; Wavelength division multiplexing;
Conference_Titel :
Lasers and Electro-Optics Society Annual Meeting, 1998. LEOS '98. IEEE
Conference_Location :
Orlando, FL
Print_ISBN :
0-7803-4947-4
DOI :
10.1109/LEOS.1998.739794
