
Polarization, the vector nature of electromagnetic waves, plays a vital role in optics. Polarization is characterized by the amplitude contrast and phase difference between two orthogonal polarization states. The present polarimet
Full-color imaging is essential in digital pathology for accurate tissue analysis. Utilizing advanced optical modulation and phase retrieval algorithms, Fourier ptychographic microscopy (FPM) offers a powerful solution for high-th
Multiphoton entanglement with high information capacity plays an essential role in quantum information processing. The appearance of parallel beam splitting (BS) in a gradient metasurface provides the chance to prepare the multiph
Conventional superconducting nanowire single-photon detectors (SNSPDs) have been typically limited in their applications due to their size, weight, and power consumption, which confine their use to laboratory settings. However, wi
Edge couplers, widely recognized for their efficiency and broad bandwidth, have gained significant attention as optical fiber-to-chip couplers. Silicon waveguides exhibit strong birefringence properties, resulting in substantial p
Holographic microscopy has emerged as a vital tool in biomedicine, enabling visualization of microscopic morphological features of tissues and cells in a label-free manner. Recently, deep learning (DL)-based image reconstruction m
We demonstrate an effective and optimal strategy for generating spatially resolved longitudinal spin angular momentum (LSAM) in optical tweezers by tightly focusing the first-order spirally polarized vector (SPV) beams with zero i
In traditional sensing, each parameter is treated as a real number in the signal demodulation, whereas the electric field of light is a complex number. The real and imaginary parts obey the Kramers–Kronig relationship, which is ex
A microwave photonic prototype for concurrent radar detection and spectrum sensing is proposed. A direct digital synthesizer and an analog electronic circuit are integrated to generate an intermediate frequency (IF) linearly frequ
Optical and hybrid convolutional neural networks (CNNs) recently have become of increasing interest to achieve low-latency, low-power image classification, and computer-vision tasks. However, implementing optical nonlinearity is c
Existing single-pixel imaging (SPI) and sensing techniques suffer from poor reconstruction quality and heavy computation cost, limiting their widespread application. To tackle these challenges, we propose a large-scale single-pixe
Deep ultraviolet coherent light, particularly at the wavelength of 193 nm, has become indispensable for semiconductor lithography. We present a compact solid-state nanosecond pulsed laser system capable of generating 193-nm cohere
Laser frequency combs, which are composed of a series of equally spaced coherent frequency components, have triggered revolutionary progress in precision spectroscopy and optical metrology. Length/distance is of fundamental import
The spectral memory effect in scattering media is crucial for applications that employ broadband illumination, as it dictates the available spectral range from independent scattering responses. Previous studies mainly considered a