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Yb3+:KY(WO4)2 laser with a fast saturable absorber |
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| Authors: | Kovalyov A. A. Kuleshov N. V. Kisel’ V. E. Kuril’chik S. V. Preobrazhenskii V. V. Putyato M. A. Pchelyakov O. P. Rubtsova N. N. Semyagin B. R. |
| Affiliation: | 1.A.V. Rzhanov Institute of Semiconductor Physics, Siberian Branch, Russian Academy of Sciences, pr. Akademika Lavrent’eva 13, Novosibirsk, 630090, Russia ;2.Scientific Research Institute for Optical Materials and Technologies, Belarus National Technical University, pr. Nezavisimosti 65, bldg. 17, Minsk, 220013, Belarus ; |
| Abstract: | Quantum-well semiconductor structures with superlattice barriers and reduced recovery time of absorption are designed and manufactured. A saturable absorption mirror based on such a structure is used in the Yb3+:KY(WO4)2 laser. The mode locking at a repetition rate of 70 MHz yields an almost bandwidth-limited pulse with a duration of about 115 fs. The maximum mean power (1.57 W) is comparable with a CW power of 1.62 W, which indicates a relatively low level of nonsaturable loss in the saturable absorption mirror. |
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