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  Brillouin light storage for 100 pulse widths

Stiller, B., Jaksch, K., Piotrowski, J., Merklein, M., Schmidt, M. K., Vu, K., et al. (2024). Brillouin light storage for 100 pulse widths. npj Nanophotonics, (1): 5. doi:10.1038/s44310-024-00004-x.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000F-47DF-7 Version Permalink: https://hdl.handle.net/21.11116/0000-000F-47E0-4
Genre: Journal Article

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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/.
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 Creators:
Stiller, Birgit1, Author           
Jaksch, Kevin2, Author           
Piotrowski, Johannes3, Author
Merklein, Moritz3, Author
Schmidt, Mikolaj K.3, Author
Vu, Khu3, Author
Ma, Pan3, Author
Madden, Stephen3, Author
Steel, Michael J.3, Author
Poulton, Christopher G.3, Author
Eggleton, Benjamin3, Author
Affiliations:
1Stiller Research Group, Research Groups, Max Planck Institute for the Science of Light, Max Planck Society, ou_3164412              
2Christoph Marquardt Research Group, Research Groups, Max Planck Institute for the Science of Light, Max Planck Society, ou_3164413              
3External, ou_persistent22              

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 Abstract: Signal processing based on stimulated Brillouin scattering (SBS) is limited by the narrow linewidth of the optoacoustic response, which confines many Brillouin applications to continuous wave signals or optical pulses longer than several nanoseconds. In this work, we experimentally demonstrate Brillouin interactions at the 150 ps time scale and a delay for a record 15 ns which corresponds to a delay of 100 pulse widths. This breakthrough experimental result was enabled by the high local gain of the chalcogenide waveguides as the optoacoustic interaction length reduces with pulse width. We successfully transfer 150 ps-long pulses to traveling acoustic waves within a Brillouin-based memory setup. The information encoded in the optical pulses is stored for 15 ns in the acoustic field. We show the retrieval of eight amplitude levels, multiple consecutive pulses, and low distortion in pulse shape. The extension of Brillouin-based storage to the ultra-short pulse regime is an important step for the realization of practical Brillouin-based delay lines and other optical processing applications.

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Language(s): eng - English
 Dates: 2024-05-02
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
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 Identifiers: DOI: 10.1038/s44310-024-00004-x
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Title: npj Nanophotonics
  Abbreviation : npj Nanophoton.
Source Genre: Journal
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Publ. Info: Nature Publishing Group
Pages: - Volume / Issue: (1) Sequence Number: 5 Start / End Page: - Identifier: ISSN: 2948-216X