Currently, most quantum holography schemes adopt reconstructing images from the second-order correlation information or fiber scanning, which are both non-visualized, meanwhile making three-dimensional (3D) quantum holography a bi

Vector vortex beams (VVBs) have attracted considerable attention due to their unique polarization distribution and helical phase wavefront. We first attempt to retrieve the modal coefficients of hybrid VVBs measured by their multi

The 6G transport network will be intricately designed as an integrated carrier, seamlessly integrating computing and networking capabilities. Leveraging the network as its foundation, it aims to deliver differentiated computing po

The intermodal nonlinear coefficient is an important parameter to analytically describe few-mode fiber (FMF) nonlinearity when the nonlinear interaction arising in the FMF is exploited for various applications. Here, we experiment

Study on optical correlation function initiates the development of many quantum techniques, with ghost imaging (GI) being one of the great achievements. Upon the first demonstration with entangled sources, the physics and improvem

Coherent control of terahertz (THz) wave radiation with two-color laser excitation requires good temporal overlap with good dispersion control of both the fundamental (ω) and the second harmonic (2ω). Herein, we experimentally det

A biosensor featuring an S-tapered fiber (STF) with a composite bio-sensitive film comprising graphene oxide and gold nanoparticles, has been proposed for the rapid, highly sensitive, and label-free detection of pseudomonas exotox

We experimentally developed massive parallel chaotic sources for random bit generation, based on a monolithically integrated amplified-feedback laser (AFL) array using the reconstruction-equivalent chirp technique. Proof-of-concep

Chip-based frequency combs have attracted increasing attention in recent years due to the advantages of small size, integrability, low power consumption, and large re-frequency range. Continuous and deterministic generation of opt

The mode selection ability of whispering gallery mode (WGM) microcavities is crucial in applications such as sensors, lasers, and nonlinear optics. Though various shapes of microcavities have been studied for mode suppression, sin

Directly modulated vertical-cavity surface-emitting lasers (VCSELs) have long dominated the data center optical interconnect market, attributed to VCSELs’ cost-effectiveness and energy efficiency. However, numerous challenges are

The realization of single-frequency fiber lasers requires high-gain media. In this work, an Er:YAG crystal-derived silica fiber (EYDSF) was prepared using the melt-in-tube method, whose gain coefficient was up to 2.11 dB/cm using

A high-speed distributed feedback laser based on the reconstruction equivalent chirp technology has been proposed and demonstrated. Due to the enhanced detuned loading and the photon–photon resonance effect, the 3-dB modulation ba

Dynamic beam shaping is of importance for a wide range of applications, such as light field regulation, laser processing, and advanced manufacturing. In this paper, an internal phase-sensing tiled-aperture coherent beam-combining

On-demand and real-time generation of arbitrary complex fields directly from the laser source holds significant appeal for myriad applications. In this Letter, we demonstrate a ring laser configuration capable of dynamically gener

The mid-infrared (MIR) pulsed laser, operating at around 2.8 µm, holds great significance due to its strong water absorption and the characteristic fingerprint spectra it provides for essential molecules. Nevertheless, the challen

Black silicon materials prepared via microstructuring and hyperdoping by ultrafast laser irradiation have attracted immense attention owing to their high absorption and photon sensitivity across a broadband spectral range. However

Vector vortex beams (VVBs), novel structured optical fields that combine the polarization properties of vector beams and phase characteristics of vortex beams, have garnered widespread attention in the photonics community. Capital

Recently, artificial intelligence has been proven as an effective modeling tool in ultrafast optics; its application in the design of ultrafast laser systems is a promising issue. In this Letter, a method based on a feed-forward n

Dissipative Kerr cavity solitons (CSs) are localized temporal structures generated in coherently driven Kerr resonators which have attracted widespread attention for their rich nonlinear dynamics and key role in the generation of

The dependence of nonlinear optical absorption and carrier dynamics on the thickness of chromium thiophosphate (CrPS4) is investigated. Utilizing the I-scan system, we have observed the typical two-photon absorption (TPA) at 780 n

A high-performance grating coupler (GC) operating at a wavelength of 1550 nm is proposed by utilizing the adjoint-based inverse design algorithm on a 220 nm silicon-on-insulator (SOI) substrate. The grating scheme offers several a

In this Letter, we demonstrate ultraviolet (UV) spot position measurement based on the 4 H-SiC quadrant photodetectors (QPDs). The 4 H-SiC QPD with an 8 mm × 8 mm active area exhibits high uniformity across four quadrants, with a

Ghost imaging (GI) is a novel imaging technique that has garnered widespread attention and discussion since its inception three decades ago. To this day, ghost imaging has become an effective bridge between the advantages of quant