Phase-locked two-branch erbium-doped fiber laser system for long-term precision measurements of optical frequencies | Zendy

Florian Adler | Zendy; Konstantinos Moutzouris | Zendy; Alfred Leitenstorfer | Zendy; H. Schnatz | Zendy; B. Lipphardt | Zendy; Gesine Grosche | Zendy; F. Tauser | Zendy

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Phase-locked two-branch erbium-doped fiber laser system for long-term precision measurements of optical frequencies

Author(s) -

Florian Adler,

Konstantinos Moutzouris,

Alfred Leitenstorfer,

H. Schnatz,

B. Lipphardt,

Gesine Grosche,

F. Tauser

Publication year - 2004

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/opex.12.005872

Subject(s) - optics , femtosecond , laser , frequency comb , materials science , metrology , phase noise , fiber laser , optical amplifier , amplifier , optical fiber , resonator , optoelectronics , physics , cmos

We present a highly versatile approach to the application of femtosecond Er:fiber lasers in optical frequency metrology. Our concept relies on the implementation of two parallel amplifiers, seeded by a single master oscillator. With the comb spacing locked to a frequency of 100 MHz, we apply the output from the first amplifier to generate a feedback signal to achieve a simultaneous phase-lock for the comb offset frequency. The output of the independently configurable second amplifier enables precision frequency measurements in the visible and near-infrared. As a first application, we continuously measure the absolute frequency of a resonator-stabilized diode laser over a period of 88 hours.

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