Author:
Shahar Daniel I.,Liu Xiao,Kim Dong Beom,Lorenz Virginia O.,Ramachandran Siddharth
Abstract
We demonstrate the generation of photon pairs at ~780 and ~1550 nm with a coincidence-to-accidental ratio of ~3200 via spontaneous intermodal four wave mixing mediated by a ring-core fiber stably guiding orbital angular momentum modes.