标题：Efficient lasing in Nd:GdVO4depressed cladding waveguides produced by femtosecond laser writing
作者：Liu, Hongliang ;zquez De Aldana, Javier R. ;Chen, Feng
作者机构：[Liu, Hongliang ;Liu, Hongliang ;Chen, Feng ] School of Physics, State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, China; 更多
会议名称：Silicon Photonics and Photonic Integrated Circuits IV
会议日期：April 14, 2014 - April 17, 2014
来源：Proceedings of SPIE - The International Society for Optical Engineering
摘要：We report on waveguide lasers at 1064.5 nm in femtosecond laser written double cladding waveguides in Nd:GdVO4crystals. The core waveguide guides both TE and TM polarized modes with considerably symmetric single modal profiles, and show good transmission property (propagation loss as low as 1.0 dB/cm). Under the optical pumping at 808 nm, maximum output power up to 0.43 W of the continuous wave waveguide laser with a slope efficiency of 52.3% have been achieved, which is 21.6% and 23% higher than those of the laser generated from single depressed cladding waveguide, respectively. Furthermore, the maximum output power of the waveguide laser is 72% higher than that of the double-line waveguide. © 2014 SPIE.