Inventors:
Min Jiang - Ann Arbor MI
Donald J. Harter - Ann Arbor MI
Gregg D. Sucha - Manchester MI
Martin E. Fermann - Ann Arbor MI
Assignee:
Imra America, Inc. - Ann Arbor MI
International Classification:
H01S 308
Abstract:
An intracavity resonant Fabry-Perot saturable absorber (R-FPSA) induces modelocking in a laser such as a fiber laser. An optical limiter such as a two photon absorber (TPA) can be used in conjunction with the R-FPSA, so that Q-switching is inhibited, resulting in laser output that is cw modelocked. By using both an R-FPSA and a TPA, the Q-switched modelocked behavior of a fiber laser is observed to evolve into cw modelocking.