Title :
Widely-tunable single-mode bipolar cascade SGDBR lasers
Author :
Klamkin, Jonathan ; Getty, Jonathan T. ; Hutchinson, John M. ; Johannson, L.A. ; Skogen, E.J. ; Coldren, Larry A.
Author_Institution :
Mater. Eng., California Univ., Santa Barbara, CA, USA
Abstract :
A novel widely-tunable sampled-grating DBR laser with an electrically segmented gain section is presented. The lasers tune over 38 nm and exhibit differential efficiencies that nearly scale with the number of gain section segments.
Keywords :
diffraction gratings; distributed Bragg reflector lasers; laser modes; laser tuning; quantum cascade lasers; DBR laser; bipolar cascade lasers; electrically segmented gain section; gain section segments; sampled-grating laser; single-mode lasers; widely-tunable lasers; Distributed Bragg reflectors; Impedance; Laser tuning; Optical receivers; Optical wavelength conversion; Quantum cascade lasers; Quantum well lasers; Semiconductor optical amplifiers; Threshold current; Tunable circuits and devices;
Conference_Titel :
Semiconductor Laser Conference, 2004. Conference Digest. 2004 IEEE 19th International
Conference_Location :
Matsue-shi
Print_ISBN :
0-7803-8627-2
DOI :
10.1109/ISLC.2004.1382734