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Integrated polarization beam splitters in the silicon nitride platform for 950 nm and 1300 nm wavelengths

From National Research Council Canada

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DOIResolve DOI: https://doi.org/10.1364/OL.560110
AuthorSearch for: ORCID identifier: https://orcid.org/0009-0002-9337-6009; Search for: 1; Search for: 1; Search for: 1ORCID identifier: https://orcid.org/0000-0003-2817-4531; Search for: ORCID identifier: https://orcid.org/0000-0002-2980-7225; Search for: ORCID identifier: https://orcid.org/0000-0002-1324-5029; Search for: ; Search for: ; Search for: 2ORCID identifier: https://orcid.org/0000-0002-0490-5224; Search for: 2ORCID identifier: https://orcid.org/0000-0002-4851-3257; Search for: 2ORCID identifier: https://orcid.org/0000-0001-6568-7219; Search for: 1ORCID identifier: https://orcid.org/0000-0003-3349-1590; Search for: 2ORCID identifier: https://orcid.org/0000-0003-4232-9130; Search for: ; Search for: ORCID identifier: https://orcid.org/0000-0002-3427-0186
Affiliation
  1. National Research Council of Canada. Digital Technologies
  2. National Research Council of Canada. Quantum and Nanotechnologies
FunderSearch for: National Research Council Canada
FormatText, Article
Abstract
Photonic integration in a silicon nitride (SiN) platform enables low propagation losses and a wide transparency range, making it ideal for quantum applications. However, polarization control in SiN is challenging because of its low birefringence. This work demonstrates polarization beam splitters using asymmetric directional couplers in SiN, designed for 950 nm and 1300 nm wavelengths. These devices exhibit low insertion losses (<1 dB) and high polarization extinction ratios (20 dB–30 dB).
Publication date
PublisherOptica Publishing Group
In
  • Optics Letters 50, no. 7 (25 March 2025): 2310–2313.
Supplemented by
  • Mokeddem, Zindine, William Fraser, Martin Vachon, Winnie Ye, Laurent Vivien, Delphine Marris-Morini, Eric Cassan, Carlos Alonso Ramos, Dan-Xia Xu, and Jianhao Zhang. ‘Supplementary Document for Integrated Polarization Beam Splitters in the Silicon Nitride Platform for 950 and 1300 Nm Wavelengths - 7396998.Pdf’. Optica Publishing Group, 2025. .
LanguageEnglish
Peer reviewedYes
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Record identifierf43abde1-6a6e-494b-ac2d-29427c5ecf65
Record created2025-04-23
Record modified2025-04-23
Date modified: