Title :
A passively phase-locked Er:Fiber frequency comb: Free-running performance and active linewidth narrowing
Author :
Fehrenbacher, David ; Sulzer, Philipp ; Seletskiy, Denis V. ; Leitenstorfer, Alfred
Author_Institution :
Dept. of Phys. & Center for Appl. Photonics, Univ. of Konstanz, Konstanz, Germany
Abstract :
An offset-free frequency comb generated by difference frequency mixing is established and characterized. mHz-level direct locking of the repetition rate to 85Rb and reference-limited linewidth narrowing via an extra-cavity electro-optic modulator are demonstrated.
Keywords :
electro-optical modulation; erbium; fibre lasers; laser cavity resonators; laser mode locking; optical frequency combs; optical frequency conversion; optical phase locked loops; rubidium; spectral line narrowing; 85Rb; active linewidth narrowing; difference frequency mixing; extra-cavity electro-optic modulator; offset-free frequency comb generation; passively phase-locked erbium:fiber frequency comb; reference-limited linewidth narrowing; Bandwidth; Nonlinear optics; Optical amplifiers; Optical pulses; Optical pumping; Oscillators; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
