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Harmonic generation from silicon membranes at visible and ultraviolet wavelengths

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10.1364/OE.472036
 
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hdl:2117/387900

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Anson Hallman, Kent
Rodríguez Suñé, Laura
Trull Silvestre, José FranciscoMés informacióMés informacióMés informació
Cojocaru, CrinaMés informacióMés informacióMés informació
Vincenti, Maria Antonietta
Akozbek, Neset
Vilaseca, Ramon
Scalora, Michael
Document typeArticle
Defense date2023-01-16
Rights accessOpen Access
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
Abstract
Nonlinear silicon photonics offers unique abilities to generate, manipulate and detect optical signals in nano-devices, with applications based on field localization and large third order nonlinearity. However, at the nanoscale, inefficient nonlinear processes, absorption, and the lack of realistic models limit the nano-engineering of silicon. Here we report measurements of second and third harmonic generation from undoped silicon membranes. Using experimental results and simulations we identify the effective mass of valence electrons, which determines second harmonic generation efficiency, and oscillator parameters that control third order processes. We can then accurately predict the nonlinear optical properties of complex structures, without introducing and artificially separating the effective ¿(2) into surface and volume contributions, and by simultaneously including effects of linear and nonlinear dispersions. Our results suggest that judicious exploitation of the nonlinear dispersion of ordinary semiconductors can provide reasonable nonlinear efficiencies and transformational device physics well into the UV range.
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© 2023 Optica Publishing Group. Users may use, reuse, and build upon the article, or use the article for text or data mining, so long as such uses are for non-commercial purposes and appropriate attribution is maintained. All other rights are reserved.
CitationHallman, K. [et al.]. Harmonic generation from silicon membranes at visible and ultraviolet wavelengths. "Optics express", 16 Gener 2023, vol. 31, núm. 2, p. 792-801. 
URIhttp://hdl.handle.net/2117/387900
DOI10.1364/OE.472036
ISSN1094-4087
Publisher versionhttps://opg.optica.org/oe/fulltext.cfm?uri=oe-31-2-792&id=524655
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  • DONLL - Dinàmica no lineal, òptica no lineal i làsers - Articles de revista [361]
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