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Related Experiment Video

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Generation and Coherent Control of Pulsed Quantum Frequency Combs

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

Coherent-mode representation of supercontinuum.

Miro Erkintalo¹, Minna Surakka, Jari Turunen

¹Tampere University of Technology, Optics Laboratory, Tampere, Finland. miro.erkintalo@tut.fi

|August 3, 2012

Summary

We use coherent-mode expansion to analyze supercontinuum generation in nonlinear fibers. This method separates the quasi-coherent and quasi-stationary parts of the light field, revealing insights into coherence properties.

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Area of Science:

Nonlinear optics
Quantum optics
Fiber optics

Background:

Supercontinuum generation is crucial for applications like spectroscopy and optical communications.
Understanding the coherence properties of supercontinuum is essential for optimizing its generation and use.
Existing methods may not fully capture the complex coherence dynamics of supercontinuum light.

Purpose of the Study:

To apply the coherent-mode expansion to correlation functions of supercontinuum generated in nonlinear fibers.
To elucidate the contributions of different modes to the overall coherence properties.
To analyze the evolution and modal requirements for describing the supercontinuum field.

Main Methods:

Coherent-mode expansion applied to correlation functions.
Analysis of modal contributions to field coherence.
Investigation of modal evolution and necessary mode count.

Main Results:

The leading term of the coherent-mode expansion identifies the quasi-coherent field component.
Quasi-stationary field components are found within higher-order modes.
The study discusses the evolution of the modal expansion and the number of modes required for accurate description.

Conclusions:

The coherent-mode expansion provides a robust framework for analyzing supercontinuum coherence.
This method offers a clear distinction between coherent and stationary field characteristics.
The findings contribute to a deeper understanding of nonlinear fiber optics and supercontinuum generation.