Single-photon detectors with picosecond timing resolution have advanced rapidly in the past
decade. This has spurred progress in time-correlated single-photon counting applications …

Discrete frequency modes, or bins, present a blend of opportunities and challenges for
photonic quantum information processing. Frequency-bin-encoded photons are readily …

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 …

We report the experimental realization of high-fidelity photonic quantum gates for frequency-
encoded qubits and qutrits based on electro-optic modulation and Fourier-transform pulse …

Frequency conversion (FC) and type-II parametric down-conversion (PDC) processes serve
as basic building blocks for the implementation of quantum optical experiments: type-II PDC …

Long-lifetime quantum storages accessible to the telecom photonic infrastructure are
essential to long-distance quantum communication. Atomic quantum storages have …

Over the last few decades, nonlinear optics has become significantly more nonlinear,
traversing nearly a billionfold improvement in energy efficiency, with ultrafast nonlinear …

Time-frequency Schmidt (TFS) modes of ultrafast quantum states are naturally compatible
with high-bit-rate integrated quantum communication networks. Thus they offer an attractive …

The realization of deterministic photon–photon gates is a central goal in optical quantum
computation and engineering. A longstanding challenge is that optical nonlinearities in …

Broadband quantum memories, used as temporal multiplexers, are a key component in
photonic quantum information processing, as they make repeat-until-success strategies …