Author details

Borwen You<sup>1</sup> and Ja-Yu Lu2 \*

1 Department of Applied Physics, Faculty of Pure and Applied Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan

2 Department of Photonics, National Cheng Kung University, Tainan, Taiwan

\*Address all correspondence to: jayu@mail.ncku.edu.tw

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