DocumentCode
77703
Title
Double Half-Wave-Coupled Rectangular Ring-FP Laser With 
GHz Wavelength Tuning
Author
Lin Wu ; Xiaolu Liao ; Zhipeng Hu ; Jian-Jun He
Author_Institution
Dept. of Opt. Eng., Zhejiang Univ., Hangzhou, China
Volume
27
Issue
10
fYear
2015
fDate
May15, 15 2015
Firstpage
1076
Lastpage
1079
Abstract
A widely wavelength tunable semiconductor laser based on two cascaded half-wave-coupled rectangular ring resonators is demonstrated. Vernier effect between two rectangular rings with perimeter of 281 and 305 μm is employed to enlarge the tuning range. Simple fabrication process is used with all active waveguides. No epitaxial regrowth, grating, or high-resolution lithography is needed. By adjusting the injection currents applied to the cascaded rectangular rings synchronously, wavelength tuning of 35 channels with 100 GHz spacing is achieved with side mode suppression ratio up to 40.5 dB.
Keywords
laser beams; laser tuning; optical fabrication; ring lasers; semiconductor lasers; waveguide lasers; Vernier effect; active waveguides; cascaded half-wave-coupled rectangular ring resonators; double half-wave-coupled rectangular ring-fp laser; fabrication process; frequency 100 GHz; frequency 3500 GHz; injection currents; side mode suppression ratio; size 281 mum; size 305 mum; tuning range; widely wavelength tunable semiconductor laser; Couplers; Laser modes; Laser tuning; Optical ring resonators; Ring lasers; Half-wave coupler; rectangular ring resonator; tunable semiconductor laser;
fLanguage
English
Journal_Title
Photonics Technology Letters, IEEE
Publisher
ieee
ISSN
1041-1135
Type
jour
DOI
10.1109/LPT.2015.2406709
Filename
7047748
Link To Document