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Related Experiment Video

Updated: May 24, 2026

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

Two photon frequency conversion.

Gil Porat¹, Yaron Silberberg, Ady Arie

¹Department of Physical Electronics, Tel Aviv University, Tel Aviv 69978, Israel. gilpor@gmail.com

|March 16, 2012

Summary

This summary is machine-generated.

Efficient frequency conversion is demonstrated even in opaque materials by utilizing a dark intermediate frequency. This research opens new avenues for optical technologies, including all-optical switching, by showing phase matching depends on light intensity.

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Last Updated: May 24, 2026

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Area of Science:

Nonlinear optics
Quantum optics
Materials science

Background:

Three-wave-mixing processes typically require material transparency at all interacting frequencies.
Previous understanding assumed phase mismatch was solely dependent on material dispersion.

Purpose of the Study:

To experimentally demonstrate efficient frequency conversion through a dark intermediate frequency, even in opaque materials.
To investigate the influence of light intensity on phase matching in three-wave-mixing processes.

Main Methods:

Experimental investigation of simultaneous three-wave-mixing.
Characterization of frequency conversion efficiency under varying material transparency conditions.
Analysis of phase matching dependence on light intensity.

Main Results:

Demonstrated efficient frequency conversion with a non-interacting, dark intermediate frequency.
Showcased successful conversion through absorptive bands in ultraviolet and mid-infrared regions.
Established that phase matching is influenced by light intensity, not just dispersion.

Conclusions:

Efficient frequency conversion is achievable in materials opaque at the intermediate frequency.
Light intensity plays a crucial role in phase matching.
Findings enable novel applications in optical switching and frequency conversion technologies.