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

Fiber-optical networks are well established to accommodate global data traffic via coherent
information transmission. The next generation of telecommunications will require the …

Hong-Ou-Mandel (HOM) interference is the foundation of quantum optics to test the degree
of indistinguishability of two incoming photons, playing a key role in quantum …

Optical beam splitters are essential for classical and quantum photonic on-chip systems. In
integrated optical technology, a beam splitter can be implemented as a beam coupler with …

Single photons exhibit inherently quantum and unintuitive properties such as the Hong-Ou-
Mandel effect, demonstrating their bosonic and quantized nature, yet at the same time may …

Quantum interference is a central resource in many quantum-enhanced tasks, from
computation to communication. While usually occurring between identical photons, it can …

Biphoton frequency combs (BFCs) are promising quantum sources for large-scale and high-
dimensional quantum information and networking systems. In this context, the spectral purity …

The well-established frequency-to-time mapping technique is employed as a convenient
and time-efficient method to directly characterize the spectral correlations of biphoton states …

Harnessing the frequency dimension in integrated photonics offers key advantages in terms
of scalability, noise resilience, parallelization, and compatibility with telecom multiplexing …

We propose methods for the exact synthesis of single-qubit unitaries with high success
probability and gate fidelity, considering both time-bin and frequency-bin encodings. The …