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Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
11:08

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Soliton self-frequency shift performance in As(2)S(3) waveguides.

Alexander C Judge1, Stephen A Dekker, Ravi Pant

  • 1Centre for Ultrahigh-Bandwidth Devices for Optical Systems, Institute of Photonics and Optical Sciences, School of Physics, University of Sydney, NSW 2006, Australia. a.judge@physics.usyd.edu.au

Optics Express
|July 20, 2010
PubMed
Summary
This summary is machine-generated.

The soliton self-frequency shift in As(2)S(3) is effective for mid-infrared supercontinuum generation. Raman soliton behavior in silica is transferable to As(2)S(3) for nonlinear optical applications.

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Area of Science:

  • Nonlinear Optics
  • Materials Science

Background:

  • The soliton self-frequency shift (SSFS) is a key phenomenon in nonlinear fiber optics.
  • Chalcogenide materials like As(2)S(3) offer high nonlinearity for optical applications.

Purpose of the Study:

  • To theoretically investigate the SSFS in As(2)S(3) materials.
  • To assess the transferability of Raman soliton behavior from silica to As(2)S(3).

Main Methods:

  • Theoretical analysis of SSFS in As(2)S(3).
  • Detailed simulation of low peak power pulse propagation in As(2)S(3) ridge waveguides.

Main Results:

  • Predicted variations of less than 25% in soliton frequency shift rate due to Raman spectral differences.
  • Demonstrated transferability of silica's Raman soliton behavior to As(2)S(3).

Conclusions:

  • As(2)S(3) is effective for SSFS, enabling wide bandwidth generation in low-power mid-infrared supercontinua.
  • Potential applications include nonlinear processing and optical analogue-to-digital conversion.