High spectro-temporal compression on a nonlinear CMOS-chip

<jats:title>Abstract</jats:title><jats:p>Optical pulses are fundamentally defined by their temporal and spectral properties. The ability to control pulse properties allows practitioners to efficiently leverage them for advanced metrology, high speed optical communications and attos...

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Main Authors: Choi, Ju Won, Sahin, Ezgi, Sohn, Byoung-Uk, Chen, George FR, Ng, Doris KT, Agarwal, Anuradha M, Kimerling, Lionel C, Tan, Dawn TH
Other Authors: SUTD-MIT International Design Centre (IDC)
Format: Article
Language:English
Published: Springer Science and Business Media LLC 2022
Online Access:https://hdl.handle.net/1721.1/142576
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author Choi, Ju Won
Sahin, Ezgi
Sohn, Byoung-Uk
Chen, George FR
Ng, Doris KT
Agarwal, Anuradha M
Kimerling, Lionel C
Tan, Dawn TH
author2 SUTD-MIT International Design Centre (IDC)
author_facet SUTD-MIT International Design Centre (IDC)
Choi, Ju Won
Sahin, Ezgi
Sohn, Byoung-Uk
Chen, George FR
Ng, Doris KT
Agarwal, Anuradha M
Kimerling, Lionel C
Tan, Dawn TH
author_sort Choi, Ju Won
collection MIT
description <jats:title>Abstract</jats:title><jats:p>Optical pulses are fundamentally defined by their temporal and spectral properties. The ability to control pulse properties allows practitioners to efficiently leverage them for advanced metrology, high speed optical communications and attosecond science. Here, we report 11× temporal compression of 5.8 ps pulses to 0.55 ps using a low power of 13.3 W. The result is accompanied by a significant increase in the pulse peak power by 9.4×. These results represent the strongest temporal compression demonstrated to date on a complementary metal–oxide–semiconductor (CMOS) chip. In addition, we report the first demonstration of on-chip spectral compression, 3.0× spectral compression of 480 fs pulses, importantly while preserving the pulse energy. The strong compression achieved at low powers harnesses advanced on-chip device design, and the strong nonlinear properties of backend-CMOS compatible ultra-silicon-rich nitride, which possesses absence of two-photon absorption and 500× larger nonlinear parameter than in stoichiometric silicon nitride waveguides. The demonstrated work introduces an important new paradigm for spectro-temporal compression of optical pulses toward turn-key, on-chip integrated systems for all-optical pulse control.</jats:p>
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spelling mit-1721.1/1425762023-04-20T14:43:59Z High spectro-temporal compression on a nonlinear CMOS-chip Choi, Ju Won Sahin, Ezgi Sohn, Byoung-Uk Chen, George FR Ng, Doris KT Agarwal, Anuradha M Kimerling, Lionel C Tan, Dawn TH SUTD-MIT International Design Centre (IDC) Massachusetts Institute of Technology. Microphotonics Center MIT Materials Research Laboratory Massachusetts Institute of Technology. Department of Materials Science and Engineering <jats:title>Abstract</jats:title><jats:p>Optical pulses are fundamentally defined by their temporal and spectral properties. The ability to control pulse properties allows practitioners to efficiently leverage them for advanced metrology, high speed optical communications and attosecond science. Here, we report 11× temporal compression of 5.8 ps pulses to 0.55 ps using a low power of 13.3 W. The result is accompanied by a significant increase in the pulse peak power by 9.4×. These results represent the strongest temporal compression demonstrated to date on a complementary metal–oxide–semiconductor (CMOS) chip. In addition, we report the first demonstration of on-chip spectral compression, 3.0× spectral compression of 480 fs pulses, importantly while preserving the pulse energy. The strong compression achieved at low powers harnesses advanced on-chip device design, and the strong nonlinear properties of backend-CMOS compatible ultra-silicon-rich nitride, which possesses absence of two-photon absorption and 500× larger nonlinear parameter than in stoichiometric silicon nitride waveguides. The demonstrated work introduces an important new paradigm for spectro-temporal compression of optical pulses toward turn-key, on-chip integrated systems for all-optical pulse control.</jats:p> 2022-05-18T15:22:52Z 2022-05-18T15:22:52Z 2021 2022-05-18T13:43:07Z Article http://purl.org/eprint/type/JournalArticle https://hdl.handle.net/1721.1/142576 Choi, Ju Won, Sahin, Ezgi, Sohn, Byoung-Uk, Chen, George FR, Ng, Doris KT et al. 2021. "High spectro-temporal compression on a nonlinear CMOS-chip." Light: Science &amp; Applications, 10 (1). en 10.1038/S41377-021-00572-Z Light: Science &amp; Applications Creative Commons Attribution 4.0 International License https://creativecommons.org/licenses/by/4.0 application/pdf Springer Science and Business Media LLC Nature
spellingShingle Choi, Ju Won
Sahin, Ezgi
Sohn, Byoung-Uk
Chen, George FR
Ng, Doris KT
Agarwal, Anuradha M
Kimerling, Lionel C
Tan, Dawn TH
High spectro-temporal compression on a nonlinear CMOS-chip
title High spectro-temporal compression on a nonlinear CMOS-chip
title_full High spectro-temporal compression on a nonlinear CMOS-chip
title_fullStr High spectro-temporal compression on a nonlinear CMOS-chip
title_full_unstemmed High spectro-temporal compression on a nonlinear CMOS-chip
title_short High spectro-temporal compression on a nonlinear CMOS-chip
title_sort high spectro temporal compression on a nonlinear cmos chip
url https://hdl.handle.net/1721.1/142576
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