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L- to U-band wavelength conversion of QPSK signals using intermodal four-wave mixing

From National Research Council Canada

DOIResolve DOI: https://doi.org/10.1109/LPT.2024.3426925
AuthorSearch for: ORCID identifier: https://orcid.org/0000-0003-0965-7503; Search for: ORCID identifier: https://orcid.org/0000-0002-9872-110X; Search for: ORCID identifier: https://orcid.org/0000-0002-3664-1403; Search for: ORCID identifier: https://orcid.org/0000-0003-2988-9141; Search for: ORCID identifier: https://orcid.org/0000-0002-6838-8641; Search for: ; Search for: ; Search for: ORCID identifier: https://orcid.org/0000-0001-8671-5987; Search for: ORCID identifier: https://orcid.org/0000-0002-3784-9337; Search for: ; Search for: ORCID identifier: https://orcid.org/0000-0002-3427-0186; Search for: 1; Search for: ORCID identifier: https://orcid.org/0000-0002-6344-4894; Search for: 1ORCID identifier: https://orcid.org/0000-0003-4232-9130; Search for: ORCID identifier: https://orcid.org/0000-0002-9201-4463; Search for: ORCID identifier: https://orcid.org/0000-0001-9596-4117; Search for: ; Search for: ORCID identifier: https://orcid.org/0000-0002-9950-8642; Search for: ORCID identifier: https://orcid.org/0000-0002-1576-8034
Affiliation
  1. National Research Council of Canada. Quantum and Nanotechnologies
FunderSearch for: Engineering and Physical Sciences Research Council (EPSRC), U.K.; Search for: Italian Ministry of University (MUR) through the program grant Progetti di Rilevante Interesse Nazionale
FormatText, Article
Subjectwavelength conversion; nonlinear photonics; multimode waveguides; intermodal four-wave mixing; optical wavelength conversion; optical fiber amplifiers; optical fibers; stimulated emission; nonlinear optics; optical attenuators; fiber nonlinear optics
Abstract
Efficient and broadband all-optical wavelength converters represent key components for the development of next-generation optical communications systems. We demonstrate here L- to U-band wavelength conversion of 50-Gbps quadrature phase-shift keying (QPSK) optical signals using a silicon-rich silicon nitride wavelength converter based on the Bragg scattering intermodal four-wave mixing effect. The U-band converted idlers were amplified using a custom-built counter-pumped U-band Raman amplifier. To the best of our knowledge, this represents the first demonstration of L- to U-band wavelength conversion of complex phase-coded communication signals.
Publication date
PublisherIEEE
In
  • IEEE Photonics Technology Letters 36, no. 16 (11 July 2024): 1009–1012.
LanguageEnglish
Peer reviewedYes
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Record identifier8a8f9717-0c3b-497b-ac0f-e325e9973ed5
Record created2024-09-16
Record modified2024-09-16
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