Dual frequency laser with two continuously and widely tunable frequencies for optical referencing of GHz to THz beatnotes

A dual-frequency 1.55 μm laser for CW low noise microwave, millimeter and sub millimeter wave synthesis is demonstrated, where frequency stabilization is possible on each wavelength independently. The solid state Er:Yb laser output power is 7 mW. The amplitude noise is −150 dBc/Hz at 1 MHz offset frequency. In free running regime, the frequency noise is 3.10^5/f Hz/sqrt(Hz) (800 Hz on a 1μs timescale), better than commercial fibered or semi-conductor sources at this wavelength.

Mots clés

Far infrared or terahertz. Radio frequency photonics solid-state Lasers

Domaines

Optique [physics.optics]

Fichier principal

oe-22-15-17673.pdf (1.45 Mo)

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https://hal.science/hal-01081126

Soumis le : vendredi 7 novembre 2014-10:14:55

Dernière modification le : vendredi 24 mars 2023-14:52:59

Archivage à long terme le : dimanche 8 février 2015-10:16:04

Dates et versions

hal-01081126 , version 1 (07-11-2014)

Identifiants

HAL Id : hal-01081126 , version 1
DOI : 10.1364/OE.22.017673

Citer

Gwennaël Danion, Cyril Hamel, Ludovic Frein, François Bondu, Goulc'Hen Loas, et al.. Dual frequency laser with two continuously and widely tunable frequencies for optical referencing of GHz to THz beatnotes. Optics Express, 2014, 22 (15), pp.17673. ⟨10.1364/OE.22.017673⟩. ⟨hal-01081126⟩

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