Integrated optical components on lithium niobate play a major role in standard high-speed
communication systems. Over the last two decades, after the birth and positioning of …

Entangled photon pairs are a critical resource in quantum communication protocols ranging
from quantum key distribution to teleportation. The current workhorse technique for …

In this paper, we demonstrate the generation of high-performance entangled photon-pairs in
different degrees of freedom from a single piece of fiber pigtailed periodically poled LiNbO3 …

Integrated photonic circuits are one of the most promising platforms for large-scale photonic
quantum information systems due to their small physical size and stable interferometers with …

Integrated photon-pair sources are crucial for scalable photonic quantum systems. Thin-film
lithium niobate is a promising platform for on-chip photon-pair generation through …

The Illinois Express Quantum Network (IEQNET) is a program to realize metropolitan-scale
quantum networking over deployed optical fiber using currently available technology …

The quantum internet is on the cusp of a revolution. While it shares the same purpose as the
classical internet—connecting devices and transmitting information, the underlying principle …

Optical nonlinearities are one of the most fascinating properties of two-dimensional (2D)
materials. While tremendous efforts have been made to find and optimize the second-order …

The scalability of quantum networking will benefit from quantum and classical
communications coexisting in shared fibers, the main challenge being spontaneous Raman …

Reliable generation of single photons is of key importance for fundamental physical
experiments and to demonstrate quantum protocols. Waveguide-based photon-pair sources …