Title :
Low threshold current distributed-reflector laser with phase-shifted DFB and high-reflection DBR sections
Author :
Ohira, Kazuya ; Murayama, Tomonori ; Yagi, Hideki ; Tamura, Shigeo ; Arai, Shigehisa
Author_Institution :
Quantum Nanoelectron. Res. Center, Tokyo Inst. of Technol.
Abstract :
Low-threshold operation of distributed-reflector (DR) lasers, consisting of phase-shifted DFB and quantum-wire DBR sections, were demonstrated. A low-threshold current of 1.2 mA and a differential quantum efficiency of 13% from the front facet were obtained under RT-CW conditions
Keywords :
distributed Bragg reflector lasers; distributed feedback lasers; laser beams; optical phase shifters; quantum well lasers; semiconductor quantum wires; 1.2 mA; 293 to 298 K; differential quantum efficiency; distributed-reflector laser; high-reflection DBR sections; phase-shifted DFB; quantum-wire DBR sections; threshold current; Distributed Bragg reflectors; Distributed feedback devices; Laser feedback; Laser theory; Reflectivity; Semiconductor lasers; Surface emitting lasers; Threshold current; Vertical cavity surface emitting lasers; Wires;
Conference_Titel :
Indium Phosphide and Related Materials, 2005. International Conference on
Conference_Location :
Glasgow, Scotland
Print_ISBN :
0-7803-8891-7
DOI :
10.1109/ICIPRM.2005.1517558
