Sensors 2009, 9(10), 7814-7836; doi:10.3390/s91007814
Article

Investigation of SOI Raman Lasers for Mid-Infrared Gas Sensing

1 Dipartimento di Elettrotecnica ed Elettronica, Politecnico di Bari, via Edoardo Orabona n. 4, 70125 Bari, Italy 2 Dipartimento di Ingegneria dell’Ambiente e per lo Sviluppo Sostenibile, Politecnico di Bari, viale del Turismo n. 8, 74100 Taranto, Italy
* Author to whom correspondence should be addressed.
Received: 30 July 2009; in revised form: 16 September 2009 / Accepted: 25 September 2009 / Published: 30 September 2009
(This article belongs to the Special Issue Gas Sensors 2009)
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Abstract: In this paper, the investigation and detailed modeling of a cascaded Raman laser, operating in the midwave infrared region, is described. The device is based on silicon-on-insulator optical waveguides and a coupled resonant microcavity. Theoretical results are compared with recent experiments, demonstrating a very good agreement. Design criteria are derived for cascaded Raman lasers working as continuous wave light sources to simultaneously sense two types of gases, namely C2H6 and CO2, at a moderate power level of 130 mW.
Keywords: raman lasers; stimulated raman scattering; nonlinear waveguides; optical sensors; integrated optics; silicon-on-insulator

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MDPI and ACS Style

Passaro, V.M.N.; De Leonardis, F. Investigation of SOI Raman Lasers for Mid-Infrared Gas Sensing. Sensors 2009, 9, 7814-7836.

AMA Style

Passaro VMN, De Leonardis F. Investigation of SOI Raman Lasers for Mid-Infrared Gas Sensing. Sensors. 2009; 9(10):7814-7836.

Chicago/Turabian Style

Passaro, Vittorio M.N.; De Leonardis, Francesco. 2009. "Investigation of SOI Raman Lasers for Mid-Infrared Gas Sensing." Sensors 9, no. 10: 7814-7836.

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