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Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving
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Compact optical function generator.

Han-Sung Chan1, Zhi-Ming Hsieh, Lung-Han Peng

  • 1Institute of Photonics Technologies, National Tsing Hua University, Hsinchu 30013, Taiwan.

Optics Letters
|July 25, 2012
PubMed
Summary
This summary is machine-generated.

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Researchers created a novel system using nonlinear photonic crystals and acousto-optic modulators to synthesize ultrashort optical waveforms. This technology enables the generation of arbitrary optical waveforms, similar to radio frequency function generators.

Area of Science:

  • Nonlinear optics
  • Photonic crystals
  • Optical waveform synthesis

Background:

  • Generating precisely shaped ultrashort optical pulses is crucial for advanced scientific research.
  • Existing methods for optical waveform generation face limitations in flexibility and compactness.

Purpose of the Study:

  • To demonstrate a novel method for synthesizing femtosecond and subfemtosecond optical field waveforms.
  • To develop a compact, all-solid-state system for arbitrary optical waveform generation.

Main Methods:

  • Utilized a nonlinear photonic crystal to generate a harmonic comb.
  • Employed an ultrabroad-band acousto-optic modulator to control field amplitudes and phases.
  • Verified synthesized waveforms using shaper-assisted linear cross-correlation.

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Generation and Coherent Control of Pulsed Quantum Frequency Combs
06:42

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

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Last Updated: May 20, 2026

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving
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Published on: March 30, 2017

Generation and Coherent Control of Pulsed Quantum Frequency Combs
06:42

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

Main Results:

  • Successfully synthesized femtosecond and subfemtosecond optical field waveforms.
  • Demonstrated the synthesis of nonsinusoidal optical fields with various shapes.
  • Achieved precise control over optical field amplitudes and phases.

Conclusions:

  • The developed system enables the creation of arbitrary optical waveforms with unprecedented control.
  • The compact, all-solid-state design paves the way for portable optical arbitrary waveform synthesizers.
  • This technology offers capabilities analogous to radio frequency function generators for optical fields.