Funding for this research was provided by:
National Natural Science Foundation of China (11874040)
Foundation for Leading Talents of Minhang, Shanghai
This article is maintained by: OSA - The Optical Society
Crossref DOI link to publisher maintained version: https://doi.org/10.1364/OL.44.000863
Article type: letter
Similarity check: Screened by Similarity Check
Peer review
Peer reviewed: Yes
Review process: Single blind
Publication History
Received: 30 November 2018
Accepted: 14 January 2019
Published: 6 February 2019
Copyright: © 2019 Optical Society of America