Han, Yu
Ng, Wai Kit
Xue, Ying
Li, Qiang
Wong, Kam Sing
Lau, Kei May http://orcid.org/0000-0002-7713-1928
Funding for this research was provided by:
Research Grants Council, University Grants Committee (16212115, 16245216, AoE/P-02/12)
Innovation and Technology Fund (ITS/273/16FP)
William Mong Institute of Nano Science and Technology (WMINST19/SC04)
This article is maintained by: OSA - The Optical Society
Crossref DOI link to publisher maintained version: https://doi.org/10.1364/OL.44.000767
Article type: letter
Similarity check: Screened by Similarity Check
Peer review
Peer reviewed: Yes
Review process: Single blind
Publication History
Received: 1 November 2018
Accepted: 7 January 2019
Published: 4 February 2019
Copyright: © 2019 Optical Society of America