Low threshold, 290 fs erbium-doped fiber laser with a nonlinear amplifying loop mirror pumped by InGaAsP laser diodes
- 21 October 1991
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 59 (17), 2073-2075
- https://doi.org/10.1063/1.106134
Abstract
290 fs soliton pulses at 1.56 μm have been successfully obtained for the first time from a laser‐diode pumped erbium‐doped fiber laser with a nonlinear amplifying loop mirror. The laser was pumped by InGaAsP laser diodes and the threshold for starting the pulse oscillation was 50 mW. The passive mode‐locking continued to a pump power level as low as 10 mW. The repetition rate was uncontrollable and varied between the fundamental repetition rate of 5 MHz and 1.2–2 GHz.Keywords
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