
The ultraviolet photodetectors based on the graphene/AlGaN van der Waals junction in different configurations reveal distinct response characteristics and working mechanisms, which may promote their unique applications in biomimetic visual imaging and self-powered detection in deep space. See Yuanyuan Yue et al., pp. 1858.
The fast algorithms in Fourier optics have invigorated multifunctional device design and advanced imaging technologies. However, the necessity for fast computations limits the widely used conventional Fourier methods, where the im
Ultrafast imaging simultaneously pursuing high temporal and spatial resolution is a key technique to study the dynamics in the microscopic world. However, the broadband spectra of ultra-short pulses bring a major challenge to trad
The embedded ultra-precision displacement measurement is of great interest in developing high-end equipment as well as precision metrology. However, conventional interferometers only focus on measurement accuracy neglecting the se
In two-dimensional (2D) material studies, tracking the anisotropic ultrafast carrier dynamics is essential for the development of optoelectronic nano-devices. Conventionally, the anisotropic optical and electronic properties are i
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Ultra-high-quality-factor (Q) resonators are a critical component for visible to near-infrared (NIR) applications, including quantum sensing and computation, atomic timekeeping and navigation, precision metrology, microwave photon
High-power, high-efficiency single-mode vertical-cavity surface-emitting lasers (VCSELs) are crucial in the realm of green photonics for high-speed optical communication. However, in recent years, the power and efficiency of singl
Cylindrical vector beams (CVBs) with special polarization distribution have been extensively investigated due to the unique ways of interacting with matter. Although several configurations have been developed to generate CVBs, suc
Sensitive detection of remote vibrations at nanometer scale owns promising potential applications such as geological exploration, architecture, and public security. Nevertheless, how to detect remote vibration information with hig
133Cs, the only stable cesium (Cs) isotope, is one of the most investigated elements in atomic spectroscopy and was used to realize the atomic clock in 1955. Among all atomic clocks, the cesium atomic clock has a special place, si
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Image reconstruction through the opaque medium has great significance in fields of biophotonics, optical imaging, mesoscopic physics, and optical communications. Previous researches are limited in the simple linear scattering proc
Achieving ultra-precise wide-range terahertz (THz) phase modulation has been a long-standing challenge due to the short wavelength and sensitive phase of THz waves. This paper proposes a new ultra-high precision phase control meth
An optical frequency comb, as a spectrum made of discrete and equally spaced spectral lines, is a light source with essential applications in modern technology. Cavity optomechanical systems were found to be a feasible candidate f
Programmable photonic integrated circuits (PPICs) emerge as a novel technology with an enormous potential for ground-breaking innovation. Different architectures are currently being considered that dictate how waveguides should be
Improving the functionality of an optical sensor on a prefabricated platform relies heavily on an optical signal conditioning method that actively modulates optical signals. In this work, we present a method for active modulation
The layered two-dimensional material tungsten diselenide (WSe2) has triggered tremendous interests in the field of optoelectronic devices due to its exceptional carrier transport property. Nevertheless, the limited absorption of W
Two-dimensional (2D) graphene has emerged as an excellent partner for solving the scarcity of ultraviolet photodetectors based on three-dimensional (3D) AlGaN, in which the design of a 2D graphene/3D AlGaN junction becomes crucial
Flexible quantum dot light-emitting diodes (QLEDs) show great promise for the next generation of flexible, wearable, and artificial intelligence display applications. However, the performance of flexible QLEDs still lags behind th
The dynamics of wave packets carrying a spatiotemporal vortex in the spatial fractional system is still an open problem. The difficulty stems from the fact that the fractional Laplacian derivative is essentially a nonlocal operato
Optical antennas play a pivotal role in interfacing integrated photonic circuits with free-space systems. Designing antennas for optical phased arrays ideally requires achieving compact antenna apertures, wide radiation angles, an
Optical trapping has revolutionized various scientific disciplines with its non-invasive, high-resolution manipulation capabilities. However, conventional optical tweezers face limitations in effectively manipulating metallic part
The dynamic and integrated control of near- and far-field electromagnetic waves is essential for advancing emerging intelligent information technology. Metasurfaces, distinguished by their low-profile design, cost-effectiveness, a