Frequency-Independent Phase Noise in a Dual-Wavelength Brillouin Fiber Laser

An in-depth analysis of the phase noise of a microwave oscillator based on dual-wavelength stimulated Brillouin scattering is presented. The system is investigated under the influence of injection-locking and also in a regenerative-frequency configuration. Measurements from 1 to 25 GHz demonstrate t...

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Bibliographic Details
Published in:IEEE journal of quantum electronics 2011-08, Vol.47 (8), p.1142-1150
Main Authors: Callahan, P. T., Gross, M. C., Dennis, M. L.
Format: Article
Language:English
Subjects:
Brillouin scattering
Brillouin zone
Carrier frequencies
Fiber lasers
Frequency modulation
Frequency stability
Laser noise
Masers
microwave generation
Noise
optical fiber lasers
Oscillators
Phase noise
Quantum electronics
Scattering
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Summary:An in-depth analysis of the phase noise of a microwave oscillator based on dual-wavelength stimulated Brillouin scattering is presented. The system is investigated under the influence of injection-locking and also in a regenerative-frequency configuration. Measurements from 1 to 25 GHz demonstrate the invariance of the phase-noise spectrum with respect to carrier frequency. Phase noise of -90 dBc/Hz at 1-kHz offset is shown, and is compared to the best reported performance of optical heterodyne sources. The frequency stability of the oscillator is also discussed.
ISSN:0018-9197
1558-1713
DOI:10.1109/JQE.2011.2160047