Spectral control of asymmetric-waveguide large signal modulated diode lasers for non-linear applications

Eugene A. Avrutin; Nuran Dogru; Boris Ryvkin; Juha T. Kostamovaara

doi:10.1049/iet-opt.2015.0060

Spectral control of asymmetric-waveguide large signal modulated diode lasers for non-linear applications

Eugene A. Avrutin^*, Nuran Dogru, Boris Ryvkin, Juha T. Kostamovaara

^*Corresponding author for this work

Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

The ways of optimising the spectral linewidth of gain-switched asymmetric waveguide lasers with a large effective spot size for applications in non-linear optics are discussed. Theoretical analysis and comparison of different schemes of spectral narrowing for non-linear applications is presented, and the ways of maximising the performance improvement offered by the large effective spot size are compared. It is shown that, while customised single-frequency lasers are the most efficient in generating the non-linear signal, Fabry-Perot lasers operated in self-seeded gain-switched or external cavity mode locked regime are also capable of combining the advantages of the large effective spot size with a spectral linewidth within the tolerances provided by the spectral acceptance of typical non-linear elements.

Original language	English
Pages (from-to)	57-65
Number of pages	9
Journal	Iet optoelectronics
Volume	10
Issue number	2
Early online date	29 Feb 2016
DOIs	https://doi.org/10.1049/iet-opt.2015.0060
Publication status	Published - 1 Apr 2016

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title = "Spectral control of asymmetric-waveguide large signal modulated diode lasers for non-linear applications",

abstract = "The ways of optimising the spectral linewidth of gain-switched asymmetric waveguide lasers with a large effective spot size for applications in non-linear optics are discussed. Theoretical analysis and comparison of different schemes of spectral narrowing for non-linear applications is presented, and the ways of maximising the performance improvement offered by the large effective spot size are compared. It is shown that, while customised single-frequency lasers are the most efficient in generating the non-linear signal, Fabry-Perot lasers operated in self-seeded gain-switched or external cavity mode locked regime are also capable of combining the advantages of the large effective spot size with a spectral linewidth within the tolerances provided by the spectral acceptance of typical non-linear elements.",

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AU - Ryvkin, Boris

AU - Kostamovaara, Juha T.

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AB - The ways of optimising the spectral linewidth of gain-switched asymmetric waveguide lasers with a large effective spot size for applications in non-linear optics are discussed. Theoretical analysis and comparison of different schemes of spectral narrowing for non-linear applications is presented, and the ways of maximising the performance improvement offered by the large effective spot size are compared. It is shown that, while customised single-frequency lasers are the most efficient in generating the non-linear signal, Fabry-Perot lasers operated in self-seeded gain-switched or external cavity mode locked regime are also capable of combining the advantages of the large effective spot size with a spectral linewidth within the tolerances provided by the spectral acceptance of typical non-linear elements.

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Spectral control of asymmetric-waveguide large signal modulated diode lasers for non-linear applications

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