Multiplying the repetition rate of passive mode-locked femtosecond lasers by an intracavity flat surface with low reflectivity | Zendy

TzuMing Liu | Zendy; Franz X. Kärtner | Zendy; James G. Fujimoto | Zendy; ChiKuang Sun | Zendy

Open Access

Multiplying the repetition rate of passive mode-locked femtosecond lasers by an intracavity flat surface with low reflectivity

Author(s) -

TzuMing Liu,

Franz X. Kärtner,

James G. Fujimoto,

ChiKuang Sun

Publication year - 2005

Publication title -

optics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.524

H-Index - 272

eISSN - 1071-2763

pISSN - 0146-9592

DOI - 10.1364/ol.30.000439

Subject(s) - femtosecond , optics , materials science , laser , mode locking , repetition (rhetorical device) , optoelectronics , forsterite , physics , philosophy , linguistics , mineralogy , chemistry

By inserting a low-reflectivity flat surface inside the oscillator cavity, we demonstrate a flexible and phase-insensitive method for multiplying the repetition rate of a femtosecond passive mode-locked solid-state laser. Without mode matching and feedback control, we successfully multiplied the repetition rate of a passively mode-locked Cr:forsterite laser from 124 MHz to 1.24 GHz. High-repetition-rate femtosecond optical pulses with average power of >100 mW can be obtained with the demonstrated method.

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