High average power temporal pulse compression in a Xe-filled Kagome-type hollow-core photonic crystal fiber (HC-PCF)
Saraceno, C. J., Heckl, O. H., Baer, C. R. E., Sudmeyer, T., Cheng, Y., Wang, Y. Y., Benabid, F. and Keller, U., 2011. High average power temporal pulse compression in a Xe-filled Kagome-type hollow-core photonic crystal fiber (HC-PCF). In: 2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference (CLEO EUROPE/EQEC). Piscataway, NJ: IEEE.
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Various laser technologies deliver picosecond pulses in the range of a few J pulse energy and at MHz repetition rates. Compressing these pulses efficiently down to the femtosecond regime is important for various applications in fundamental science and technology. SPM-induced spectral broadening in a large mode area (LMA) fiber and subsequent temporal compression can produce large compression factors and high efficiencies [1, 2]. However, fiber damage limits the maximum achievable compressed pulse energy to less than 1 J. Even state-of-the-art silica LMA fibers appear not suitable to compress substantially higher pulse energies due to bulk damage and self-focusing, which limits the maximum peak power to 4 MW . One way to overcome these limitations is the use of gas filled HC-PCF, which offer long interaction lengths and small mode areas. Compression of 120-fs pulses to 50-fs at mW average power levels has been demonstrated in a xenon-filled standard photonic band gap (PBG) fiber . In our experiment we used a Kagome-type HC-PCF, for which the field overlap is more than ten times lower . Since the damage threshold scales inversely with the field overlap, guiding of high pulse energies and peak powers becomes feasible.
|Item Type||Book Sections|
|Creators||Saraceno, C. J., Heckl, O. H., Baer, C. R. E., Sudmeyer, T., Cheng, Y., Wang, Y. Y., Benabid, F. and Keller, U.|
|Departments||Faculty of Science > Physics|
|Research Centres||Centre for Photonics and Photonic Materials|
|Additional Information||2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference, CLEO EUROPE/EQEC 2011. 22-26 May 2011. Munich, Germany.|
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