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Narrowband microwave-photonic notch filters using Brillouin-based signal transduction in silicon

The growing demand for bandwidth makes photonic systems a leading candidate for future telecommunication and radar technologies. Integrated photonic systems offer ultra-wideband performance within a small footprint, which can naturally interface with fiber-optic networks for signal transmission. How...

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Autores principales: Gertler, Shai, Otterstrom, Nils T., Gehl, Michael, Starbuck, Andrew L., Dallo, Christina M., Pomerene, Andrew T., Trotter, Douglas C., Lentine, Anthony L., Rakich, Peter T.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9001665/
https://www.ncbi.nlm.nih.gov/pubmed/35410331
http://dx.doi.org/10.1038/s41467-022-29590-0
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author Gertler, Shai
Otterstrom, Nils T.
Gehl, Michael
Starbuck, Andrew L.
Dallo, Christina M.
Pomerene, Andrew T.
Trotter, Douglas C.
Lentine, Anthony L.
Rakich, Peter T.
author_facet Gertler, Shai
Otterstrom, Nils T.
Gehl, Michael
Starbuck, Andrew L.
Dallo, Christina M.
Pomerene, Andrew T.
Trotter, Douglas C.
Lentine, Anthony L.
Rakich, Peter T.
author_sort Gertler, Shai
collection PubMed
description The growing demand for bandwidth makes photonic systems a leading candidate for future telecommunication and radar technologies. Integrated photonic systems offer ultra-wideband performance within a small footprint, which can naturally interface with fiber-optic networks for signal transmission. However, it remains challenging to realize narrowband (∼MHz) filters needed for high-performance communications systems using integrated photonics. In this paper, we demonstrate all-silicon microwave-photonic notch filters with 50× higher spectral resolution than previously realized in silicon photonics. This enhanced performance is achieved by utilizing optomechanical interactions to access long-lived phonons, greatly extending available coherence times in silicon. We use a multi-port Brillouin-based optomechanical system to demonstrate ultra-narrowband (2.7 MHz) notch filters with high rejection (57 dB) and frequency tunability over a wide spectral band (6 GHz) within a microwave-photonic link. We accomplish this with an all-silicon waveguide system, using CMOS-compatible fabrication techniques.
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spelling pubmed-90016652022-04-27 Narrowband microwave-photonic notch filters using Brillouin-based signal transduction in silicon Gertler, Shai Otterstrom, Nils T. Gehl, Michael Starbuck, Andrew L. Dallo, Christina M. Pomerene, Andrew T. Trotter, Douglas C. Lentine, Anthony L. Rakich, Peter T. Nat Commun Article The growing demand for bandwidth makes photonic systems a leading candidate for future telecommunication and radar technologies. Integrated photonic systems offer ultra-wideband performance within a small footprint, which can naturally interface with fiber-optic networks for signal transmission. However, it remains challenging to realize narrowband (∼MHz) filters needed for high-performance communications systems using integrated photonics. In this paper, we demonstrate all-silicon microwave-photonic notch filters with 50× higher spectral resolution than previously realized in silicon photonics. This enhanced performance is achieved by utilizing optomechanical interactions to access long-lived phonons, greatly extending available coherence times in silicon. We use a multi-port Brillouin-based optomechanical system to demonstrate ultra-narrowband (2.7 MHz) notch filters with high rejection (57 dB) and frequency tunability over a wide spectral band (6 GHz) within a microwave-photonic link. We accomplish this with an all-silicon waveguide system, using CMOS-compatible fabrication techniques. Nature Publishing Group UK 2022-04-11 /pmc/articles/PMC9001665/ /pubmed/35410331 http://dx.doi.org/10.1038/s41467-022-29590-0 Text en © The Author(s) 2022 https://creativecommons.org/licenses/by/4.0/Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) .
spellingShingle Article
Gertler, Shai
Otterstrom, Nils T.
Gehl, Michael
Starbuck, Andrew L.
Dallo, Christina M.
Pomerene, Andrew T.
Trotter, Douglas C.
Lentine, Anthony L.
Rakich, Peter T.
Narrowband microwave-photonic notch filters using Brillouin-based signal transduction in silicon
title Narrowband microwave-photonic notch filters using Brillouin-based signal transduction in silicon
title_full Narrowband microwave-photonic notch filters using Brillouin-based signal transduction in silicon
title_fullStr Narrowband microwave-photonic notch filters using Brillouin-based signal transduction in silicon
title_full_unstemmed Narrowband microwave-photonic notch filters using Brillouin-based signal transduction in silicon
title_short Narrowband microwave-photonic notch filters using Brillouin-based signal transduction in silicon
title_sort narrowband microwave-photonic notch filters using brillouin-based signal transduction in silicon
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9001665/
https://www.ncbi.nlm.nih.gov/pubmed/35410331
http://dx.doi.org/10.1038/s41467-022-29590-0
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