Quantum key distribution (QKD) constitutes a symmetric secret key negotiation protocol
capable of maintaining information-theoretic security. Given the recent advances in QKD …

Quantum cryptography is arguably the fastest growing area in quantum information science.
Novel theoretical protocols are designed on a regular basis, security proofs are constantly …

Quantum metrology is one of the most promising applications of quantum technologies. The
aim of this research field is the estimation of unknown parameters exploiting quantum …

Photonic quantum technologies represent a promising platform for several applications,
ranging from long-distance communications to the simulation of complex phenomena …

Quantum key distribution (QKD) systems often rely on polarization of light for encoding, thus
limiting the amount of information that can be sent per photon and placing tight bounds on …

Field-orthogonal temporal modes of photonic quantum states provide a new framework for
quantum information science (QIS). They intrinsically span a high-dimensional Hilbert space …

Among the objectives for large-scale quantum computation is the quantum interconnect: a
device that uses photons to interface qubits that otherwise could not interact. However, the …

Quantum key distribution provides an efficient means to exchange information in an
unconditionally secure way. Historically, quantum key distribution protocols have been …

Photonic integrated circuits provide a compact and stable platform for quantum photonics.
Here we demonstrate a silicon photonics quantum key distribution (QKD) encoder in the first …

Conventional quantum key distribution (QKD) typically uses binary encoding based on
photon polarization or time-bin degrees of freedom and achieves a key capacity of at most …