Characterizing a Metropolitan Fiber Link With Heralded Single Photons From an Electronic-Photonic Chip (Th2A.61)
Presenter: Ely Eastman, Northwestern University
We characterize single photon transmission through a ∼ 48 km underground
fiber link. Using an integrated source, we measure delay variations in the timing correlations
between the photon-pairs of 40 ps over 90 minutes, compared to 200 ps in a 50 km spool
kept in the laboratory, showing the suitability of buried fiber for quantum networks.
Authors:Anirudh Ramesh, Northwestern University / Ely Eastman, Northwestern University / Danielius Kramnik, UC Berkeley / Imbert Wang, Boston University / Dorde Gluhovic, Boston University / Milos Popovic, UC Berkeley / Vladimir Stojanovic, UC Berkeley / Prem Kumar, Northwestern University