Intensity noise self-regulated solid-state laser at 1.5\({\mu}\)m using an ASHG based Buffer Reservoir

An absorption mechanism based on second-harmonic generation (ASHG) is successfully implemented as a buffer reservoir in a solid-state Er,Yb:Glass laser emitting at telecom wavelength. We show that a slight ASHG rate conversion of 0.016% using a BBO crystal enables to cancel out the excess intensity...

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Bibliographic Details
Published in:arXiv.org 2017-08
Main Authors: Audo, Kevin, Alouini, Mehdi
Format: Article
Language:English
Subjects:
BBO crystals
Buffers
Erbium
Glass lasers
Lasers
Noise intensity
Noise levels
Relaxation oscillations
Second harmonic generation
Solid state lasers
Spontaneous emission
Ytterbium
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Summary:An absorption mechanism based on second-harmonic generation (ASHG) is successfully implemented as a buffer reservoir in a solid-state Er,Yb:Glass laser emitting at telecom wavelength. We show that a slight ASHG rate conversion of 0.016% using a BBO crystal enables to cancel out the excess intensity noise at the relaxation oscillation frequency, i.e. 35 dB reduction, as well as to cancel the amplified spontaneous emission beating at the free spectral range resonances of the laser lying in the GHz range.
ISSN:2331-8422