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A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
Published on: September 5, 2019
Efficient cross polarized wave generation for compact, energy-scalable, ultrashort laser sources
L P Ramirez1, D N Papadopoulos, A Pellegrina
1Laboratoire Charles Fabry de l'Institut d'Optique, CNRS, Université Paris Sud, Palaiseau, France. patricia.ramirez@institutoptique.fr
Optics Express
|January 26, 2011
Summary
A novel compact laser system generates high contrast, ultrashort laser pulses using a cross polarized wave (XPW) filter. This technology achieves high energy output and significant pulse shortening for advanced laser applications.
Area of Science:
- Optics and Photonics
- Laser Physics
- Nonlinear Optics
Background:
- Generating high contrast and ultrashort laser pulses is crucial for advanced scientific research.
- Existing methods often face limitations in energy scalability and compactness.
Purpose of the Study:
- To present a compact and energy-scalable system for generating high contrast and ultrashort laser pulses.
- To demonstrate efficient pulse shortening and contrast enhancement using a novel cross polarized wave (XPW) filter configuration.
Main Methods:
- Incorporation of a waveguide spatial filter into a single crystal XPW setup.
- Utilizing the XPW configuration for high energy and high intensity transmission.
- Optimization of input phase conditions for efficient XPW conversion.
Main Results:
- Achieved high energy and high intensity transmission at the multi-mJ level.
- Demonstrated excellent XPW conversion efficiency of up to 33% (20% global, 40% intensity transmission).
- Successfully shortened laser pulses from 25 fs to 9.6 fs with an output energy of 650 µJ.
Conclusions:
- The developed compact XPW filter enables efficient generation of high contrast, ultrashort laser pulses.
- The system is scalable to multi-mJ energy levels, offering significant pulse shortening.
- This technology holds promise for developing high energy, ultrabroadband laser sources.
