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Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

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Soliton-based pump-seed synchronization for few-cycle OPCPA.

C Teisset, N Ishii, T Fuji

|June 6, 2009

Summary

This study simplifies few-cycle Optical Parametric Chirped Pulse Amplification (OPCPA) by removing the need for a master oscillator and synchronization electronics. This advancement enables jitter-free amplification using advanced pump sources.

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Area of Science:

Ultrafast laser science
Nonlinear optics
Laser engineering

Background:

Optical Parametric Chirped Pulse Amplification (OPCPA) is crucial for generating ultrashort laser pulses.
Traditional OPCPA systems often require complex synchronization schemes and master oscillators.
Simplifying OPCPA architectures is essential for broader accessibility and application.

Purpose of the Study:

To demonstrate a significantly simplified OPCPA scheme.
To eliminate the need for a picosecond master oscillator and electronic synchronization loops.
To enable jitter-free parametric amplification using advanced pump sources.

Main Methods:

A fraction of a Ti:sapphire oscillator's output was frequency-shifted in a photonic crystal fiber.
The shifted seed pulse was used to synchronize a picosecond Nd:YAG pump laser.
The remaining Ti:sapphire output was amplified in a single, timing-jitter-free OPCPA stage.

Main Results:

A simplified OPCPA scheme was successfully demonstrated.
Elimination of the picosecond master oscillator and electronic synchronization was achieved.
Broadband amplification with a FWHM bandwidth of 250 nm was obtained in a single stage.

Conclusions:

The developed method offers a significant simplification for few-cycle OPCPA.
This work paves the way for using sub-picosecond pump pulses from Yb-based amplifiers.
It enables jitter-less parametric amplification of carrier-envelope phase stabilized pulses.