Efficient frequency shifting and beam splitting are important for a wide range of applications,
including atomic physics,, microwave photonics,,–, optical communication, and photonic …

In recent years, quantum computing has made significant strides, particularly in light-based
technology. The introduction of quantum photonic chips has ushered in an era marked by …

Owing in large part to the advent of integrated biphoton frequency combs, recent years have
witnessed increased attention to quantum information processing in the frequency domain …

Flexible frequency controls are crucial in many photonic and electronic applications, ranging
from communications systems, spectroscopy, and metrology to quantum information …

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 …

In this paper, a novel design of an all-optical half-adder (HA) based on two two-ring
resonators in a two-dimensional square-lattice photonic crystal (PC) structure without …

Electro-optics serves as the crucial bridge between electronics and photonics, unlocking a
wide array of applications ranging from communications and computing to sensing and …

The discrete Fourier transform (DFT) is of fundamental interest in photonic quantum
information, yet the ability to scale it to high dimensions depends heavily on the physical …

Quantum optical microcombs in integrated ring resonators generate entangled photon pairs
over many spectral modes, and allow the preparation of high-dimensional qudit states …

Optical frequency combs (OFCs) with programmable free spectral range and high optical
carrier-to-noise ratio (CNR) play a crucial role in diverse research fields, including …