Abstract
In this Letter, we present high-power continuous wave (CW) and -switched femtosecond laser-written Yb:YAG channel waveguide lasers. In -switched operation, obtained by a semiconductor saturable absorber mirror (SESAM), as well as in CW operation, the laser generates average output powers of more than 5.6 W and reaches slope efficiencies above 74%. The -switched laser operated at a maximum repetition rate of 5.4 MHz with a minimum pulse duration of 11 ns, and with a maximum pulse energy of 1 μJ. This laser has almost an order of magnitude higher average output power than previously reported -switched channel waveguide lasers.
© 2016 Optical Society of America
Full Article | PDF ArticleMore Like This
Mi Hye Kim, Thomas Calmano, Sun Young Choi, Byung Jic Lee, In Hyung Baek, Kwang Jun Ahn, Dong-Il Yeom, Christian Kränkel, and Fabian Rotermund
Opt. Mater. Express 6(8) 2468-2474 (2016)
Ji Eun Bae, Tae Gwan Park, Esrom Kifle, Xavier Mateos, Magdalena Aguiló, Francesc Díaz, Carolina Romero, Javier Rodríguez Vázquez de Aldana, Hansuek Lee, and Fabian Rotermund
Opt. Lett. 45(1) 216-219 (2020)
K. N. Gorbachenya, V. E. Kisel, A. S. Yasukevich, V. V. Maltsev, N. I. Leonyuk, and N. V. Kuleshov
Opt. Lett. 41(5) 918-921 (2016)