A collinear self-referencing set-up for control of the carrier-envelope offset frequency in Ti: Sapphire femtosecond laser frequency combs

Yanyi Jiang; Zhiyi Bi; Lennart Robertsson; Long Sheng Ma

doi:10.1088/0026-1394/42/4/016

A collinear self-referencing set-up for control of the carrier-envelope offset frequency in Ti: Sapphire femtosecond laser frequency combs

Yanyi Jiang
, Zhiyi Bi
, Lennart Robertsson
, Long Sheng Ma^*

^*Corresponding author for this work

Institute for Advanced Study in Precision Spectroscopy

Research output: Contribution to journal › Article › peer-review

19 Scopus citations

Abstract

We demonstrate a simplified set-up for control of the carrier-envelope offset frequency (f_ceo) in a Ti : sapphire femtosecond laser frequency comb. A periodically poled KTiOPO₄ crystal is used for second harmonic generation with zero walk-off angle, which enables collinear propagation of beating beams in the self-referencing set-up. A beat signal with a signal-to-noise ratio of more than 40 dB can be obtained within a 300 kHz bandwidth. Using this signal, f_ceo could be tracked to a frequency synthesizer within a few millihertz for an averaging time of 1 s, which contributed a relative stability of 8 × 10^-18 in the visible region around 532 nm.

Original language	English
Pages (from-to)	304-307
Number of pages	4
Journal	Metrologia
Volume	42
Issue number	4
DOIs	https://doi.org/10.1088/0026-1394/42/4/016
State	Published - 1 Aug 2005

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title = "A collinear self-referencing set-up for control of the carrier-envelope offset frequency in Ti: Sapphire femtosecond laser frequency combs",

abstract = "We demonstrate a simplified set-up for control of the carrier-envelope offset frequency (fceo) in a Ti : sapphire femtosecond laser frequency comb. A periodically poled KTiOPO4 crystal is used for second harmonic generation with zero walk-off angle, which enables collinear propagation of beating beams in the self-referencing set-up. A beat signal with a signal-to-noise ratio of more than 40 dB can be obtained within a 300 kHz bandwidth. Using this signal, fceo could be tracked to a frequency synthesizer within a few millihertz for an averaging time of 1 s, which contributed a relative stability of 8 × 10-18 in the visible region around 532 nm.",

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T2 - Sapphire femtosecond laser frequency combs

AU - Jiang, Yanyi

AU - Bi, Zhiyi

AU - Robertsson, Lennart

AU - Ma, Long Sheng

PY - 2005/8/1

Y1 - 2005/8/1

N2 - We demonstrate a simplified set-up for control of the carrier-envelope offset frequency (fceo) in a Ti : sapphire femtosecond laser frequency comb. A periodically poled KTiOPO4 crystal is used for second harmonic generation with zero walk-off angle, which enables collinear propagation of beating beams in the self-referencing set-up. A beat signal with a signal-to-noise ratio of more than 40 dB can be obtained within a 300 kHz bandwidth. Using this signal, fceo could be tracked to a frequency synthesizer within a few millihertz for an averaging time of 1 s, which contributed a relative stability of 8 × 10-18 in the visible region around 532 nm.

AB - We demonstrate a simplified set-up for control of the carrier-envelope offset frequency (fceo) in a Ti : sapphire femtosecond laser frequency comb. A periodically poled KTiOPO4 crystal is used for second harmonic generation with zero walk-off angle, which enables collinear propagation of beating beams in the self-referencing set-up. A beat signal with a signal-to-noise ratio of more than 40 dB can be obtained within a 300 kHz bandwidth. Using this signal, fceo could be tracked to a frequency synthesizer within a few millihertz for an averaging time of 1 s, which contributed a relative stability of 8 × 10-18 in the visible region around 532 nm.

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JO - Metrologia

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A collinear self-referencing set-up for control of the carrier-envelope offset frequency in Ti: Sapphire femtosecond laser frequency combs

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