Large-mode-area Er-doped fiber chirped-pulse amplification system for high-energy sub-picosecond pulses at 1.55 µm

Tolga Yilmaz; Laurent Vaissie; Mehmetcan Akbulut; David M. Gaudiosi; Lowell Collura; Timothy J. Booth; Jayesh C. Jasapara; Matthew J. Andrejco; Andrew D. Yablon; Clifford Headley III; David J. DiGiovanni

doi:10.1117/12.764511

25 February 2008 Large-mode-area Er-doped fiber chirped-pulse amplification system for high-energy sub-picosecond pulses at 1.55 μm

Tolga Yilmaz, Laurent Vaissie, Mehmetcan Akbulut, David M. Gaudiosi, Lowell Collura, Timothy J. Booth, Jayesh C. Jasapara, Matthew J. Andrejco, Andrew D. Yablon, Clifford Headley III, David J. DiGiovanni

Author Affiliations +

Proceedings Volume 6873, Fiber Lasers V: Technology, Systems, and Applications; 68731I (2008) https://doi.org/10.1117/12.764511
Event: Lasers and Applications in Science and Engineering, 2008, San Jose, California, United States

Abstract

We demonstrate a chirped-pulse amplification system generating 25 μJ compressed pulses at a center wavelength of 1552.5 nm. The seed module and the amplifier chain are all in-fiber (with a few small fiber-pigtailed free-space components), followed by a free-space diffraction grating pulse compressor. The amplifier chain contains a pre-amplifier and a booster whose gain fibers are 45/125 μm core/cladding-diameter, core-pumped Er-doped fibers. The pump lasers for both amplifiers are single-mode 1480 nm Raman lasers capable of up to 8 W output. The seed module generates up to 2 ns chirped pulses that are amplified and subsequently compressed to <800 fs duration. At a repetition rate of 50 kHz, the 2 ns pulses from the seed module were amplified to 72 μJ, resulting in 25 μJ after pulse compression. The corresponding peak power levels after the amplifier chain and compressor were 36 kW and 31 MW, respectively.

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Tolga Yilmaz, Laurent Vaissie, Mehmetcan Akbulut, David M. Gaudiosi, Lowell Collura, Timothy J. Booth, Jayesh C. Jasapara, Matthew J. Andrejco, Andrew D. Yablon, Clifford Headley III, and David J. DiGiovanni "Large-mode-area Er-doped fiber chirped-pulse amplification system for high-energy sub-picosecond pulses at 1.55 μm", Proc. SPIE 6873, Fiber Lasers V: Technology, Systems, and Applications, 68731I (25 February 2008); https://doi.org/10.1117/12.764511

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