Phillips, M.W., Ferguson, A.I. and Kino, G.S.
Frequency modulated mode-locked fiber laser with an integrated fiber phase modulator.
In, Conference on Lasers and Electro-Optics (CLEO '89 ), Baltimore, US,
28 Apr - 01 May 1989.
A Nd3+-doped fiber laser has been FM modelocked by two means: 20-ps pulses were obtained with a bulk phase modulator. Detuning the modulation frequency induced FM operation which broadened the laser bandwidth to 57 GHz. An integrated fiber phase modulator produced 80-ps pulses. Low intracavity losses led to submilliwatt thresholds and slope efficiencies in excess of 45%
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