Generation of tunable ultrashort pulses in the near infrared

TL;DR

This paper presents a new laser source capable of generating tunable ultrashort pulses in the near-infrared range, achieved through spectral filtering without phase compensation, with numerical analysis ensuring pulse quality.

Contribution

A novel method for producing tunable ultrashort near-infrared pulses using spectral filtering in a zero dispersion line without phase compensation.

Findings

Successfully generated 50-100 fs pulses from 820 nm to 1200 nm.

Numerical analysis of residual spectral phase to optimize pulse duration.

Demonstrated tunability and pulse quality without phase compensators.

Abstract

A laser source delivering ultrashort pulses (50-100 fs) tunable from 820 nm to 1200 nm has been developed. It is based on the filtering of a continuum in the Fourier plane of a zero dispersion line without a phase compensator. We have also numerically investigated the impact of the residual spectral phase in order to guarantee ultrashort pulses.