Title :
Systematic comparison of the effects of laser geometry and material parameters on the above-threshold characteristics of quarter wavelength shifted DFB lasers
Author :
Lee, Hong-Seok ; Kim, Hong-Kuk ; Kim, Boo-Gyoun ; Lee, Byoungho
Author_Institution :
Sch. of Electr. Eng., Seoul Nat. Univ., South Korea
Abstract :
Several design guidelines are presented to reduce the variations of the single mode gain difference, and the emission wavelength above threshold current in quarter wavelength phase shifted DFB lasers.
Keywords :
coupled mode analysis; current density; distributed feedback lasers; laser beams; laser cavity resonators; laser feedback; laser modes; laser theory; optical losses; quantum well lasers; refractive index; above-threshold characteristics; design guidelines; emission wavelength; material parameters; quarter wavelength phase shifted DFB lasers; quarter wavelength shifted DFB lasers; single mode gain difference; threshold current; Charge carrier density; Design engineering; Distributed feedback devices; Equations; Geometrical optics; Laser feedback; Laser modes; Optical materials; Refractive index; Threshold current;
Conference_Titel :
Communications, 1999. APCC/OECC '99. Fifth Asia-Pacific Conference on ... and Fourth Optoelectronics and Communications Conference
Conference_Location :
Beijing, China
Print_ISBN :
7-5635-0402-8
DOI :
10.1109/APCC.1999.820540
