Funding for this research was provided by:
Engineering and Physical Sciences Research Council (EPSRC) (EP/L014149/1)
Engineering and Physical Sciences Research Council (EPSRC) (EP/P012779/1)
Imperial College London (WMEP_F22425 (Imperial College Research Fellowship))
This article is maintained by: OSA - The Optical Society
Crossref DOI link to publisher maintained version: https://doi.org/10.1364/OE.26.014186
Article type: research-article
Similarity check: Screened by Similarity Check
Peer review
Peer reviewed: Yes
Review process: Single blind
Publication History
Received: 23 February 2018
Accepted: 15 April 2018
Published: 18 May 2018
Copyright: Published by The Optical Society under the terms of the Creative Commons Attribution 4.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.