Generation of 1.5 cycle pulses at 780 nm at oscillator repetition rates with stable carrier-envelope phase

Philip Dienstbier, Francesco Tani, Takuya Higuchi, John Travers, Philip St. J. Russell, Peter Hommelhoff

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Abstract

We demonstrate a spectral broadening and compression setup for carrier-envelope phase (CEP) stable sub-10-fs Ti:sapphire oscillator pulses resulting in 3.9 fs pulses spectrally centered at 780 nm. Pulses from the oscillator with 2 nJ energy are launched into a 1 mm long all-normal dispersive solid-core photonic crystal fiber and spectrally broadened to more than one octave. Subsequent pulse compression is achieved with a phase-only 4f pulse shaper. Second harmonic frequency resolved optical gating with a ptychographic reconstruction algorithm is used to obtain the spectral phase, which is fed back as a phase mask to the shaper display for pulse compression. The compressed pulses are CEP stable with a long term standard deviation of 0.23 rad for the CEP noise and 0.32 rad for the integrated rms phase jitter. The high total throughput of 15% results in a remaining pulse energy of about 300 pJ at 80 MHz repetition rate. With these parameters and the ability to tailor the spectral phase, the system is well suited for waveform sensitive photoemission experiments with needle tips or nanostructures and can be easily adapted to other sub-10 fs ultra-broadband Ti:sapphire oscillators.
Original languageEnglish
Pages (from-to)24105-24113
Number of pages9
JournalOptics Express
Volume27
Issue number17
Early online date8 Aug 2019
DOIs
Publication statusPublished - 19 Aug 2019

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Aluminum Oxide
Optics and Photonics
Nanostructures
Masks
Needles
Noise

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Dienstbier, Philip ; Tani, Francesco ; Higuchi, Takuya ; Travers, John ; St. J. Russell, Philip ; Hommelhoff, Peter. / Generation of 1.5 cycle pulses at 780 nm at oscillator repetition rates with stable carrier-envelope phase. In: Optics Express. 2019 ; Vol. 27, No. 17. pp. 24105-24113.
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abstract = "We demonstrate a spectral broadening and compression setup for carrier-envelope phase (CEP) stable sub-10-fs Ti:sapphire oscillator pulses resulting in 3.9 fs pulses spectrally centered at 780 nm. Pulses from the oscillator with 2 nJ energy are launched into a 1 mm long all-normal dispersive solid-core photonic crystal fiber and spectrally broadened to more than one octave. Subsequent pulse compression is achieved with a phase-only 4f pulse shaper. Second harmonic frequency resolved optical gating with a ptychographic reconstruction algorithm is used to obtain the spectral phase, which is fed back as a phase mask to the shaper display for pulse compression. The compressed pulses are CEP stable with a long term standard deviation of 0.23 rad for the CEP noise and 0.32 rad for the integrated rms phase jitter. The high total throughput of 15{\%} results in a remaining pulse energy of about 300 pJ at 80 MHz repetition rate. With these parameters and the ability to tailor the spectral phase, the system is well suited for waveform sensitive photoemission experiments with needle tips or nanostructures and can be easily adapted to other sub-10 fs ultra-broadband Ti:sapphire oscillators.",
author = "Philip Dienstbier and Francesco Tani and Takuya Higuchi and John Travers and {St. J. Russell}, Philip and Peter Hommelhoff",
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Dienstbier, P, Tani, F, Higuchi, T, Travers, J, St. J. Russell, P & Hommelhoff, P 2019, 'Generation of 1.5 cycle pulses at 780 nm at oscillator repetition rates with stable carrier-envelope phase', Optics Express, vol. 27, no. 17, pp. 24105-24113. https://doi.org/10.1364/OE.27.024105

Generation of 1.5 cycle pulses at 780 nm at oscillator repetition rates with stable carrier-envelope phase. / Dienstbier, Philip; Tani, Francesco; Higuchi, Takuya; Travers, John; St. J. Russell, Philip; Hommelhoff, Peter.

In: Optics Express, Vol. 27, No. 17, 19.08.2019, p. 24105-24113.

Research output: Contribution to journalArticle

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AU - Tani, Francesco

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AU - Travers, John

AU - St. J. Russell, Philip

AU - Hommelhoff, Peter

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AB - We demonstrate a spectral broadening and compression setup for carrier-envelope phase (CEP) stable sub-10-fs Ti:sapphire oscillator pulses resulting in 3.9 fs pulses spectrally centered at 780 nm. Pulses from the oscillator with 2 nJ energy are launched into a 1 mm long all-normal dispersive solid-core photonic crystal fiber and spectrally broadened to more than one octave. Subsequent pulse compression is achieved with a phase-only 4f pulse shaper. Second harmonic frequency resolved optical gating with a ptychographic reconstruction algorithm is used to obtain the spectral phase, which is fed back as a phase mask to the shaper display for pulse compression. The compressed pulses are CEP stable with a long term standard deviation of 0.23 rad for the CEP noise and 0.32 rad for the integrated rms phase jitter. The high total throughput of 15% results in a remaining pulse energy of about 300 pJ at 80 MHz repetition rate. With these parameters and the ability to tailor the spectral phase, the system is well suited for waveform sensitive photoemission experiments with needle tips or nanostructures and can be easily adapted to other sub-10 fs ultra-broadband Ti:sapphire oscillators.

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