Title :
Highly-Stable Integrated InGaAsP/InP Mode-Locked Laser and Optical Phase-Locked Loop
Author :
Parker, John S. ; Mingzhi Lu ; Hyunchul Park ; Sivananthan, A. ; Bloch, Eli ; Griffith, Zach ; Johansson, Leif A. ; Rodwell, Mark J. W. ; Coldren, Larry A.
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of California, Santa Barbara, Santa Barbara, CA, USA
Abstract :
We demonstrate an integrated InGaAsP/InP mode-locked laser that is stabilized with an optical phase-locked loop (OPLL). Using the OPLL, a single comb line is locked to a reference oscillator (a 200 Hz linewidth Brillouin laser). The comb linewidth is reduced from 100 MHz (unlocked) to <; 550 Hz (locked) using the OPLL. The rms phase error between the comb and reference laser is 20°. The linewidth of the adjacent comb lines is <; 1 kHz, and the comb spans 430 GHz.
Keywords :
III-V semiconductors; gallium arsenide; indium compounds; integrated optics; laser mode locking; optical phase locked loops; oscillators; semiconductor lasers; InGaAsP-InP; RMS phase error; frequency 200 Hz; frequency 430 GHz; highly-stable integrated mode-locked laser; linewidth Brillouin laser; optical phase-locked loop; reference oscillator; single comb linewidth; Adaptive optics; Integrated optics; Laser mode locking; Optical fibers; Optical filters; Optical mixing; Mode locked lasers; comb line generation; integrated optics; optical phase locked loop; photonic integrated circuits;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2013.2277865
