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Journal articles

Impact of spectral phase mismatch on femtosecond coherent beam combining systems

Abstract : We experimentally investigate the impact of spectral phase mismatch on the coherent beam combining of two femtosecond fiber chirped-pulse amplifiers. By measuring the differential spectral phase, both linear and nonlinear contributions are identified. An accumulated nonlinear phase as high as 6 rad has been measured, for which a combination efficiency of 91% can be obtained by symmetrizing the pump and injection powers. This also allows us to quantitatively separate the spatial and temporal contributions of the nonperfect combining efficiency.
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Submitted on : Tuesday, May 29, 2012 - 2:36:46 PM
Last modification on : Wednesday, March 17, 2021 - 3:39:49 AM
Long-term archiving on: : Thursday, August 30, 2012 - 2:22:53 AM


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  • HAL Id : hal-00702163, version 1



Louis Daniault, Marc Hanna, Laurent Lombard, Yoann Zaouter, Eric Mottay, et al.. Impact of spectral phase mismatch on femtosecond coherent beam combining systems. Optics Letters, Optical Society of America - OSA Publishing, 2012, 37 (4), pp.650-652. ⟨hal-00702163⟩



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