Obtaining more energetic modelocked pulses from a SESAM-based fiber laser
Abstract
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.
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- Jun 24, 2020
- Source ID
- 10.1364/oe.395857
Entities
People
- Chaoran Tu
- Curtis R. Menyuk
- Ian Coddington
- Laura C. Sinclair
- Nathan R. Newbury
- Seyed Ehsan Jamali Mahabadi
- Shaokang Wang
- Stefan Droste
- Thomas F. Carruthers
Organizations
- Aviation and Missile Research, Development, and Engineering Center
- Defense Advanced Research Projects Agency
- National Institute of Standards and Technology
- National Science Foundation