Author:
He Zhaoqin,Sun Changzheng,Xiong Bing,Wang Jian,Hao Zhibiao,Wang Lai,Han Yanjun,Li Hongtao,Gan Lin,Luo Yi
Abstract
Widely separated tunable optical parametric oscillation (OPO) is demonstrated in GaN microresonators with specially designed waveguide for phase-matching. OPO frequency separation up to 96.6 THz with a tuning range of 20 THz is recorded.