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Related Experiment Video

Updated: May 27, 2026

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

Carrier-envelope phase stabilization with sub-10 as residual timing jitter.

B Borchers¹, S Koke, A Husakou

¹Max Born Institute for Nonlinear Optics and Short Pulse Spectroscopy, Max-Born-Straße 2a, 12489 Berlin, Germany. borchers@mbi‑berlin.de

|November 4, 2011

Summary

We achieved unprecedented timing jitter of eight attoseconds in carrier-envelope phase (CEP) stabilization of a Ti:sapphire oscillator. This was done using a novel combination of feedback and feed-forward stabilization techniques.

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Area of Science:

Ultrafast optics
Laser physics
Attosecond science

Background:

Mode-locked Ti:sapphire oscillators are crucial for generating ultrashort laser pulses.
Carrier-envelope phase (CEP) drift limits the precision and stability of these lasers.
Accurate CEP stabilization is essential for applications in attosecond science and high-field physics.

Purpose of the Study:

To demonstrate carrier-envelope phase (CEP) stabilization of a mode-locked Ti:sapphire oscillator.
To achieve unprecedentedly low timing jitter.
To present a hybrid stabilization approach combining feedback and feed-forward control.

Main Methods:

Utilized a conventional feedback loop controlling oscillator pump power with an acousto-optic modulator (AOM).
Implemented a high-bandwidth feed-forward stabilization scheme using an acousto-optic frequency shifter (AOFS).
Performed numerical optimization of photonic crystal fiber length for octave-spanning spectrum generation and f-to-2f interferometer sensitivity.

Main Results:

Achieved carrier-envelope phase (CEP) stabilization with a timing jitter of eight attoseconds.
Demonstrated the effectiveness of the combined feedback and feed-forward stabilization approach.
Presented optimized parameters for photonic crystal fiber length for enhanced spectral generation and interferometer sensitivity.

Conclusions:

The hybrid stabilization technique significantly reduces timing jitter in Ti:sapphire oscillators.
This advancement enables more precise control over ultrashort laser pulses for advanced applications.
The findings contribute to the development of more stable and reliable ultrafast laser systems.