Obtaining More Energetic Modelocked Pulses From a SESAM-based Fiber Laser
Posted on 2020-06-24 - 17:24
A major design goal for femtosecond fiber lasers is to increase the output power but not at the cost of increasing the noise level or narrowing the bandwidth. Here, we perform a computational study to optimize the cavity design of a femtosecond fiber laser that is passively modelocked with a semiconductor saturable absorbing mirror (SESAM). We use dynamical
methods that are more than a thousand times faster than standard evolutionary methods. We show that we can obtain higher pulse energies and hence higher output powers by simultaneously increasing the output coupling ratio, the gain, and the anomalous group delay dispersion. We can
obtain output pulses that are from 5 to 15 times the energy of the pulse in the current experimental design with no penalty in the noise level or bandwidth.
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Wang, Shaokang; Tu, Chaoran; Mahabadi, Seyed Ehsan Jamali; Droste, Stefan; Sinclair, Laura; Coddington, Ian; et al. (2020). Obtaining More Energetic Modelocked Pulses From a SESAM-based Fiber Laser. Optica Publishing Group. Collection. https://doi.org/10.6084/m9.figshare.c.5022404.v1
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AUTHORS (9)
SW
Shaokang Wang
CT
Chaoran Tu
SM
Seyed Ehsan Jamali Mahabadi
SD
Stefan Droste
LS
Laura Sinclair
IC
Ian Coddington
NN
Nathan Newbury
TC
Thomas Carruthers
CM
Curtis Menyuk