Title :
Spectral linewidth reduction of single-mode and mode-locked lasers using a feed-forward heterodyne detection scheme
Author :
Watts, Regan T. ; Murdoch, S.G. ; Barry, Liam P.
Author_Institution :
Sch. of Electron. Eng., Dublin City Univ., Dublin, Ireland
Abstract :
We present a novel feed-forward laser linewidth reduction scheme. The linewidth of a DFB laser is reduced from 9.4MHz to 37.2kHz. Sixteen modes of a mode-locked laser are simultaneously reduced from ~20MHz to below 300kHz.
Keywords :
distributed feedback lasers; feedforward; heterodyne detection; laser mode locking; laser modes; spectral line breadth; DFB laser; feed-forward heterodyne detection scheme; feed-forward laser spectral linewidth reduction scheme; frequency 9.4 MHz to 37.2 kHz; mode-locked laser; single-mode lasers; Laser mode locking; Laser noise; Optical distortion; Optical filters; Optical mixing; Phase noise; Semiconductor lasers;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
