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Frequency noise of free-running 4.6 um distributed feedback quantum cascade lasers near room temperature
Date de parution
2011-8-10
In
Optics Letters
Vol.
16
No
36
De la page
3109
A la page
3111
Résumé
The frequency noise properties of commercial distributed feedback quantum cascade lasers emitting in the 4.6 um range and operated in cw mode near room temperature (277K) are presented. The measured frequency noise power spectral density reveals a flicker noise dropping down to the very low level of <100 Hz2/Hz at 10 MHz Fourier frequency and is globally a factor of 100 lower than data recently reported for a similar laser operated at cryogenic temperature. This makes our laser a good candidate for the realization of a mid-IR ultranarrow linewidth reference.
Identifiants
Autre version
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-16-3109
Type de publication
journal article
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