Beat note stabilization in dual-polarization DFB fiber lasers by an optical phase-locked loop - Archive ouverte HAL
Journal Articles Optics Express Year : 2018

Beat note stabilization in dual-polarization DFB fiber lasers by an optical phase-locked loop

Benoît Cadier
  • Function : Author

Abstract

A fully fibered microwave-optical source at 1.5 µm is studied experimentally. It is shown that the beat note between two orthogonally polarized modes of a distributed-feedback fiber laser can be efficiently stabilized using an optical phase-locked loop. The pump-power-induced birefringence serves as the actuator. Beat notes at 1 GHz and 10 GHz are successfully stabilized to a reference synthesizer, passing from the 3 kHz free-running linewidth to a stabilized sub-Hz linewidth, with a phase noise as low as-75 dBc/Hz at 100 Hz offset from the carrier. Such dual-frequency stabilized lasers could provide compact integrated components for RF and microwave photonics applications.
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Dates and versions

hal-01716235 , version 1 (23-02-2018)

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M. Guionie, Ludovic Frein, Anthony Carré, Goulc'Hen Loas, François Bondu, et al.. Beat note stabilization in dual-polarization DFB fiber lasers by an optical phase-locked loop. Optics Express, 2018, 26 (3), pp.3483-3488. ⟨10.1364/OE.26.003483⟩. ⟨hal-01716235⟩
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