Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2015 Sep 25;5:14383. doi: 10.1038/srep14383

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

Copyright © 2015, Macmillan Publishers Limited

This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

PMC Copyright notice

Measured raw key rates plotted as a function of transmission distance (red open circles and red dotted line) together with the estimated secure key rates (red closed circles and red solid line). The previous result¹⁵ (50-km-long transmission) is shown for comparison. Orange dotted (solid) and green dotted (solid) lines shows raw (secure) key rates for ideal horn structure and micropillar cavity structure, respectively (see text).