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In-situ Tapering of Chalcogenide Fiber for Mid-infrared Supercontinuum Generation
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Ultrabroadband supercontinuum generation in a CMOS-compatible platform.

R Halir1, Y Okawachi, J S Levy

  • 1Departamento Ingeniería de Comunicaciones, ETSI Telecomunicación, Universidad de Málaga, Málaga, Spain. robert.halir@ic.uma.es

Optics Letters
|May 26, 2012
PubMed
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We achieved broadband supercontinuum generation in silicon nitride waveguides, creating a wide optical spectrum. This breakthrough offers a compact and affordable light source for various advanced technologies.

Area of Science:

  • Photonics and Optical Engineering
  • Materials Science

Background:

  • Supercontinuum generation is crucial for many optical applications.
  • Silicon nitride (SiN) waveguides offer high nonlinearity and low loss, making them promising for integrated photonics.

Purpose of the Study:

  • To demonstrate supercontinuum generation over a broad spectral range using silicon nitride waveguides.
  • To assess the potential of this technology for practical applications.

Main Methods:

  • Utilizing a 4.3 cm-long silicon nitride waveguide.
  • Employing 160 pJ optical pulses with an effective nonlinearity of γ=1.2 W⁻¹m⁻¹.

Main Results:

  • Achieved supercontinuum generation spanning 1.6 octaves.
  • Generated a spectrum from 665 nm to 2025 nm (at -30 dB).

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Generation and Coherent Control of Pulsed Quantum Frequency Combs
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Last Updated: May 22, 2026

In-situ Tapering of Chalcogenide Fiber for Mid-infrared Supercontinuum Generation
09:39

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Published on: May 27, 2013

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

Conclusions:

  • The developed silicon nitride waveguide is a robust, integrated, and low-cost supercontinuum source.
  • Potential applications include frequency metrology, optical coherence tomography, confocal microscopy, and optical communications.