Chinese Optics Letters, 2018, 16 (4): 043201, Published Online: Jul. 12, 2018
Octave-spanning visible supercontinuum generation from an aluminum nitride single crystal pumped by a 355 nm nanosecond pulse
320.6629 Supercontinuum generation 190.2640 Stimulated scattering, modulation,etc. 190.4720 Optical nonlinearities of condensed matter
Abstract
Supercontinuum generation (SC) of more than one octave spectrum spanning covering from 400 nm to 820 nm was achieved by pumping a piece of aluminum nitride (AIN) single crystal using a nanosecond 355 nm ultraviolet laser. The AlN with a thickness of ~ 0.8 mm was grown by an optimized physical vapor transport technique and polished with solidification technology. Compared to previously reported ones, the achieved visible SC exhibited the broadest spectrum spanning from bulk materials pumped by a nanosecond pulse laser. The visible supercontinuum in AlN presents new opportunities for bulk material-based white light SC and may find more potential applications beyond typical applications in integrated semiconductive photoelectronic devices.
Chunbo Li, Xikui Ren, Honglei Wu, Ruisheng Zheng, Junqing Zhao, Deqin Ouyang, Chenlin Du, Peiguang Yan, Shuangchen Ruan. Octave-spanning visible supercontinuum generation from an aluminum nitride single crystal pumped by a 355 nm nanosecond pulse[J]. Chinese Optics Letters, 2018, 16(4): 043201.