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Type: Artigo de periódico
Title: Tapered Semiconductor Amplifiers For Optical Frequency Combs In The Near Infrared
Author: Cruz F.C.
Stowe M.C.
Ye J.
Abstract: A tapered semiconductor amplifier is injection seeded by a femtosecond optical frequency comb at 780 nm from a mode-locked Ti:sapphire laser. Energy gains of more than 17 dB (12 dB) are obtained for 1 mW (20 mW) of average input power when the input pulses are stretched into the picosecond range. A spectral window of supercontinuum light generated in a photonic fiber has also been amplified. Interferometric measurements show sub-Hertz linewidths for a heterodyne beat between the input and amplified comb components, yielding no detectable phase-noise degradation under amplication. These amplifiers can be used to boost the infrared power in f-to-2f interferometers used to determine the carrier-to-envelope offset frequency, with clear advantages for stabilization of octave-spanning femtosecond lasers and other supercontinuum light sources. © 2006 Optical Society of America.
Rights: fechado
Identifier DOI: 10.1364/OL.31.001337
Date Issue: 2006
Appears in Collections:Unicamp - Artigos e Outros Documentos

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