DocumentCode
1651840
Title
Twisted hi-bi fiber DFB lasers with controllable output polarization
Author
Zervas, Michalis N. ; Wilmshurst, Richard ; Walker, Louise M B
Author_Institution
SPI Lasers, Southampton, UK
fYear
2012
Firstpage
1
Lastpage
2
Abstract
We demonstrate that single polarization, hi-bi fiber DFB lasers are in general characterized by elliptical state of polarization, due to the in-built fiber birefringence axis rotation. Externally applied birefringence-axis twist is shown to provide accurate control of the output SOP. Continuous tuning from circular to linear polarization, with PER of ~40dB has been demonstrated.
Keywords
birefringence; distributed feedback lasers; erbium; fibre lasers; laser beams; optical fibre polarisation; ytterbium; birefringence-axis twist; controllable output polarization; distributed feedback laser; elliptical polarization state; in-built fiber birefringence axis rotation; single polarization fiber DFB laser; twisted Hi-Bi fiber DFB laser; Fiber lasers; Laser modes; Optical fiber communication; Optical fiber polarization; Optical fiber sensors; Pump lasers;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location
San Jose, CA
Print_ISBN
978-1-4673-1839-6
Type
conf
Filename
6325590
Link To Document