DocumentCode
1375680
Title
Linewidth Calibration of SG-DBR Lasers
Author
Shi, Kai ; Reid, Douglas A. ; Barry, Liam P. ; Yu, Yonglin ; Smyth, Frank
Author_Institution
Res. Inst. for Networks & Commun. Eng. (RINCE), Dublin City Univ., Dublin, Ireland
Volume
22
Issue
23
fYear
2010
Firstpage
1729
Lastpage
1731
Abstract
We propose a simple and quick linewidth calibration method for tunable sampled grating distributed Bragg reflector lasers. Only the voltage across the gain section is measured, which allows the operation point with either highest sidemode suppression ratio (SMSR) or lowest linewidth to be selected. The technique results in a linewidth reduction of up to 80% when compared to techniques that only calibrate for SMSR and output power.
Keywords
calibration; diffraction gratings; distributed Bragg reflector lasers; laser modes; laser tuning; spectral line narrowing; SMSR; linewidth calibration; longitudinal modes; sampled grating distributed Bragg reflector lasers; sidemode suppression ratio; tunable laser; Calibration; Distributed Bragg reflectors; Gratings; Laser modes; Laser tuning; Measurement by laser beam; Calibration; linewidth; sampled grating distributed Bragg reflector (SG-DBR); tunable laser;
fLanguage
English
Journal_Title
Photonics Technology Letters, IEEE
Publisher
ieee
ISSN
1041-1135
Type
jour
DOI
10.1109/LPT.2010.2081665
Filename
5631030
Link To Document