Mutually injection locked gain switched optical frequency combs for dual comb spectroscopy of H2S

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Mutually injection locked gain switched optical frequency combs for dual comb spectroscopy of H2S

Martin, Eamonn P.; Chandran, Satheesh; Rosado, Alejandro; Soderholm, Erik P.; Alexander, Justin K.; Peters, Frank H.; Ruth, Albert A.; Anandarajah, Prince M.
Date: 2020-05
Copyright: © 2020, the Authors. Published by the Optical Society of America. All rights reserved.
Citation: Martin, E. P., Chandran, S., Rosado, A. , Soderholm, E. P. , Alexander, J. K. , Peters, F. H. , Ruth, A. A. and Anandarajah, P. M. (2020) ‘Mutually injection locked gain switched optical frequency combs for dual comb spectroscopy of H2S’, in Conference on Lasers and Electro-Optics: Applications and Technology 2020, Washington DC, United States, 10–15 May. OSA Technical Digest, paper AM4K.2. doi: 10.1364/CLEO_AT.2020.AM4K.2
Published Version: 10.1364/CLEO_AT.2020.AM4K.2

Abstract:

Application of two mutually injection-locked gain-switched optical frequency combs for near-infrared spectroscopy of H2S in air is demonstrated. The high phase correlation between OFCs allows measurement sensitivities of 740 ppmv using a compact, flexible device.

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