Open AccessDetermination of absolute mode number using two mode-locked laser combs in optical frequency metrology
Author(s) -
Jin-Long Peng,
Ren-Huei Shu
Publication year - 2007
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.15.004485
Subject(s) - optics , metrology , frequency comb , laser , mode locking , fiber laser , physics , mode (computer interface) , materials science , computer science , operating system
The mode number of the comb line involved in the optical frequency measurement was determined using two mode-locked, erbium-doped fiber laser combs operated at different repetition rates independently of the frequency fluctuation of the laser under measurement (LUM). A simple measurement process is presented to determine the difference in mode number between the two laser combs and the comb mode number, yielding the absolute frequency of the LUM.