40-GHz Photonic Synthesizer Using a Dual-Polarization Microlaser

An optically carried microwave synthesis working at 40 GHz is demonstrated by using a two-frequency solid-state microchip laser inserted as a voltage-controlled oscillator inside a digital phase-locked loop. We report an in-loop relative frequency stability better than 2.5 × 10 -11 . The capabilitie...

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Bibliographic Details
Published in:IEEE photonics technology letters 2010-12, Vol.22 (23), p.1738-1740
Main Authors: Rolland, A, Frein, L, Vallet, M, Brunel, M, Bondu, F, Merlet, T
Format: Article
Language:English
Subjects:
Conferences
Fiber optics
Frequency stability
Lasers
Masers
Microchip lasers
Microwave photonics
Microwaves
Optical fibers
optical phase-locked loops
Optical polarization
Optics
Phase locked loops
Photonics
Physics
Synthesis
two-frequency lasers
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Summary:An optically carried microwave synthesis working at 40 GHz is demonstrated by using a two-frequency solid-state microchip laser inserted as a voltage-controlled oscillator inside a digital phase-locked loop. We report an in-loop relative frequency stability better than 2.5 × 10 -11 . The capabilities of the synthesis are illustrated with different frequency sweeping formats.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2010.2084077