A key challenge for quantum science and technology is to realize large-scale, precisely
controllable, practical systems for non-classical secured communications, metrology and …

Integrated nonlinear photonics provides transformative capabilities for controlling,
enhancing and manipulating material nonlinearities in miniaturized on-chip platforms. The …

Physical systems with discrete energy levels are ubiquitous in nature and are fundamental
building blocks of quantum technology. Realizing controllable artificial atom-and molecule …

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 …

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 …

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

The time-frequency degree of freedom is a powerful resource for implementing high-
dimensional quantum information processing. In particular, field-orthogonal pulsed temporal …

Frequency-bin quantum information encoding offers an intriguing synergy with classical
optical networks, with the ability to support many qubits in a single fiber. Yet, coherent …

Accurate control of two-level systems is a longstanding problem in quantum mechanics. One
such quantum system is the frequency-bin qubit: a single photon existing in superposition of …

Parametric single-photon sources are well suited for large-scale quantum networks due to
their potential for photonic integration. Active multiplexing of photons can overcome the …