We demonstrate the capability for amplification of picosecond pulses in two bismuth-doped alumosilicate fibers. A spectrally filtered supercontinuum source is used to provide a train of picosecond pulses at discrete wavelengths within the gain bandwidth of bismuth fiber amplifiers. With a length of active fiber, a small signal gain at of over is observed. In addition, we assess the viability of amplification of high repetition rate signals in such amplifiers, applying a modulation to a continuous wave Raman fiber laser operating at , finding that such signals are amplified without noticeable distortion.
© 2011 Optical Society of AmericaFull Article | PDF Article
K. Ogawa, Y. Akahane, M. Aoyama, K. Tsuji, S. Tokita, J. Kawanaka, H. Nishioka, and K. Yamakawa
Opt. Express 15(14) 8598-8602 (2007)
Aurélien Dantan, Julien Laurat, Alexei Ourjoumtsev, Rosa Tualle-Brouri, and Philippe Grangier
Opt. Express 15(14) 8864-8870 (2007)
J. Rothhardt, S. Hädrich, D. N. Schimpf, J. Limpert, and A. Tünnermann
Opt. Express 15(25) 16729-16736 (2007)