Funding for this research was provided by:
Engineering and Physical Sciences Research Council (EPSRC) (EP/I033424/1, EP/P006930/1)
This article is maintained by: OSA - The Optical Society
Crossref DOI link to publisher maintained version: https://doi.org/10.1364/OE.25.024148
Article type: research-article
Similarity check: Screened by Similarity Check
Peer review
Peer reviewed: Yes
Review process: Single blind
Publication History
Received: 6 July 2017
Accepted: 15 September 2017
Published: 22 September 2017
Copyright: © 2017 Optical Society of America