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Towards optical fibre synthesis of millimeter waves

Abstract : Towards an optical synthesis of low phase noise continuous millimeter waves in a compact and an all-fiber system, we present the all-electrical locking of the optical frequency of a distributed feedback laser (DFB) diode at 1549 nm tunable over 2 nm, on a fibered Fabry-Perot (FP) cavity. We demonstrate a 6 MHz servo bandwidth and a frequency noise suppression down to 3.10^-1 Hz/√Hz at 80 kHz carrier offset frequency in the error signal. Furthermore, we use a Brillouin fiber laser in order to refine the stabilized laser linewidth and we then demonstrate a frequency noise suppression down to 4 Hz/√Hz at 1 MHz offset frequency, limited by the phase noise floor of the measurement instrument.
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https://hal-univ-rennes1.archives-ouvertes.fr/hal-01384221
Contributor : François Bondu <>
Submitted on : Wednesday, October 19, 2016 - 3:37:32 PM
Last modification on : Monday, June 29, 2020 - 10:44:14 AM

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  • HAL Id : hal-01384221, version 1

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Ayman Hallal, Steve Bouhier, Simon Le Méhauté, François Bondu. Towards optical fibre synthesis of millimeter waves. European microwave week, Oct 2016, London, United Kingdom. ⟨hal-01384221⟩

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