Common-Path Dual-Comb Spectroscopy Using a Single Electro-Optic Modulator
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Otros documentos de la autoría: Soriano-Amat, Miguel; Soto, Marcelo; Durán, Vicente; Martins, Hugo; Martin-Lopez, Sonia; Gonzalez-Herraez, Miguel; Fernández Ruiz, María del Rosario
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Título
Common-Path Dual-Comb Spectroscopy Using a Single Electro-Optic ModulatorAutoría
Fecha de publicación
2020-09-15Editor
IEEECita bibliográfica
M. Soriano-Amat et al., "Common-Path Dual-Comb Spectroscopy Using a Single Electro-Optic Modulator," in Journal of Lightwave Technology, vol. 38, no. 18, pp. 5107-5115, 15 Sept.15, 2020, doi: 10.1109/JLT.2020.2998372.Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
https://ieeexplore.ieee.org/abstract/document/9103271Versión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Resumen
Dual frequency comb (DFC) spectroscopy using electro-optic comb generators stands out for its flexibility, easy implementation, and low cost. Typically, two combs with different line spacing are generated from a common ... [+]
Dual frequency comb (DFC) spectroscopy using electro-optic comb generators stands out for its flexibility, easy implementation, and low cost. Typically, two combs with different line spacing are generated from a common laser using independent electro-optic comb generators. This approach minimizes the impact of laser phase noise; however, the distinct paths followed by the two combs ultimately limit the attainable signal-to-noise ratio and long-term stability of the system. In this work, a common-path DFC is generated using a single modulator driven by an arbitrary waveform generator, thus enabling a remarkable increase of the system stability (up to 0.8 s of integration time) while maintaining high flexibility. The proposed technique is experimentally validated by implementing a dual frequency comb with 3000 lines, covering an optical bandwidth of 4.5 GHz, and demonstrating an optical-to-radiofrequency compression factor of 7500. Our system is able to measure extremely narrowband optical features (in the MHz range) with an accuracy only limited by the master laser stability. [-]
Proyecto de investigación
Spanish Government (MINECO) (Projects RTI2018-097957-B-C31, RTI2018-097957-B-C32, and RTI2018-097957-B-C33) ; Comunidad de Madrid and FEDER Program (Grant SINFOTON2-CM: P2018/NMT-4326.) ; Spanish MICINN (Contracts RYC-2017-23668, IJCI-2017-33856 and FJCI-2016- 27881) ; AC3E Basal Project FB0008 ; “Becas Iberoamérica Santander Universidades Convocatoria 2018”Derechos de acceso
info:eu-repo/semantics/openAccess
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