The generation and long-haul transmission of highly entangled photon pairs is a
cornerstone of emerging photonic quantum technologies with key applications such as …

Semiconductor quantum dots are capable of emitting polarization entangled photon pairs
with ultralow multipair emission probability even at maximum brightness. Using a quantum …

Reliable long-distance distribution of entanglement is a key technique for many quantum
applications, most notably quantum key distribution. Here, we present a continuously …

Generally, light becomes scattered in space and time as it is coupled among multiple spatial
paths during propagation through disordered media or multimode waveguides. This limits …

Long-distance quantum communication is one of the prime goals in the field of quantum
information science. With information encoded in the quantum state of photons, existing …

Quantum key distribution (QKD) based on entangled photon pairs holds the potential for
repeater-based quantum networks connecting clients over long distance. We demonstrate …

We showcase a fully on-chip CMOS-fabricated silicon photonic integrated circuit employing
a bidirectionally pumped microring and polarization splitter-rotators tailored for the …

The realization of a functional quantum repeater is one of the major research goals in long-
distance quantum communication. Among the different approaches that are being followed …

Quantum networks entangle remote nodes by distributing quantum states, which inevitably
suffer from decoherence while traversing quantum channels. Pertinent decoherence …

The coexistence of quantum and classical signals over the same optical fiber with minimal
degradation of the transmitted quantum information is critical for operating large-scale …