摘要
A tightly linked dual ring antenna is designed,and it is specifically tailored for uniformly coupling the microwave magnetic field to the nitrogen-vacancy(NV)center.The designed antenna operates at a center frequency of about 2.87 GHz,with a bandwidth of around 200 MHz,allowing it to address multiple resonance peaks in the optically detected magnetic resonance(ODMR)spectrum in an external magnetic field.Moreover,the antenna generates a fairly uniform magnetic field in a range with a radius of 0.75 mm.High resolution imaging of the magnetic field distribution on the surface of the antenna is conducted by using a fiber diamond probe.We also investigate the effect of magnetic field uniformity on the linewidth of ODMR,so as to provide insights into reducing the inhomogeneous broadening of ODMR.
作者
叶青云
薛雅文
何飞越
赵旭彤
卞雨辰
卢文韬
王金旭
陈鸿浩
夏圣开
曾明菁
杜关祥
Qing-Yun Ye;Ya-Wen Xue;Fei-Yue He;Xu-Tong Zhao;Yu-Chen Bian;Wen-Tao Lu;Jin-Xu Wang;Hong-Hao Chen;Sheng-Kai Xia;Ming-Jing Zeng;Guan-Xiang Du(College of Telecommunications and Information Engineering,Nanjing University of Posts and Telecommunications,Nanjing 210003,China;College of Science,Nanjing University of Posts and Telecommunications,Nanjing 210003,China;School of Computer Science,Nanjing University of Posts and Telecommunications,Nanjing 210023,China;Bell Honors School,Nanjing University of Posts and Telecommunications,Nanjing 210023,China)
基金
Project supported by the National Key Research and Development Program of China(Grant No.2021YFB2012600)
the Shanghai Aerospace Science and Technology Innovation Fund(Grant No.SAST-2022-102).
