Dynamically generating a large-area confined optical field with subwavelength feature size Zhu, Liangfu ; Zhang, Douguo ; Wang, Xiangxian ; Chen, Yikai ; Qiu, Dong ; Wang, Pei ; Ming, Hai Abstract Publication: Applied Optics Pub Date: September 2014 DOI: 10.1364/AO.53.006091 Bibcode: 2014ApOpt..53.6091Z