A5101562974- Photonic and Optical Devices
- Optical Network Technologies
- Advanced Photonic Communication Systems
- Neural Networks and Reservoir Computing
- Quantum Information and Cryptography
- Advanced Fiber Laser Technologies
- Quantum Computing Algorithms and Architecture
- Semiconductor Lasers and Optical Devices
- Physics of Superconductivity and Magnetism
- Facility Location and Emergency Management
- Rough Sets and Fuzzy Logic
- Magnetic and transport properties of perovskites and related materials
- Perovskite Materials and Applications
- Orbital Angular Momentum in Optics
- Remote-Sensing Image Classification
- Polydiacetylene-based materials and applications
- Advanced Image Fusion Techniques
- Optical Systems and Laser Technology
- Remote Sensing and Land Use
- Electromagnetic Effects on Materials
- Advanced Condensed Matter Physics
- Advanced Algorithms and Applications
- Optical Coatings and Gratings
- Luminescence and Fluorescent Materials
- Advanced Fluorescence Microscopy Techniques
Zhejiang University
2021-2025
State Key Laboratory of Modern Optical Instruments
2021-2024
Guangzhou University
2024
Peking University
2022
Collaborative Innovation Center of Quantum Matter
2022
Lancaster University
2018
Hunan University of Traditional Chinese Medicine
2009
Abstract Graphs have provided an expressive mathematical tool to model quantum-mechanical devices and systems. In particular, it has been recently discovered that graph theory can be used describe design quantum components, devices, setups systems, based on the two-dimensional lattice of parametric nonlinear optical crystals linear circuits, different standard photonic framework. Realizing such graph-theoretical hardware, however, remains extremely challenging experimentally using...
Metal halide perovskites offer ample opportunities to develop advanced optoelectronic devices. This work showcases that the integration of metal into oxide nanoshells with controllable interior cavities can enable water-vapor-responsive dual-mode switching fluorescence and structural color. Through a ship-in-a-bottle method introduce controlled amount CsPbBr3 MnO2 nanoshells, we have designed CsPbBr3@MnO2 yolk–shell nanostructures, which uptake defined water exhibit rapid (less than 1 s)...
Silicon photonic signal processors promise a new generation of processing hardware with significant advancements in bandwidth, low power consumption, and minimal latency. Programmable silicon processors, facilitated by tuning elements, can reduce development cycles costs. However, traditional programmable based on optical switches face scalability performance challenges due to control complexity transmission losses. Here, we propose scalable parallel processor for versatile applications...
The multi-dimensional multiplexing technology is very promising for further increasing the link capacity of optical interconnects. A 96-channel silicon-based on-chip reconfigurable add-drop multiplexer (ROADM) proposed and demonstrated first time to satisfy demands in hybrid mode/polarization/wavelengthdivision-multiplexing systems. present ROADM consists a six-channel mode/polarization de-multiplexer, 6 × 16 array microring-resonator (MRR)-based wavelength-selective switches, multiplexer....
Abstract Multimode waveguide crossings (MWCs) are becoming more and important as one of the key elements for on‐chip optical routing cross‐connection. However, it is still very challenging to achieve scalable MWCs with compact footprints, low excess losses (ELs), intermode cross‐talks (CTs). This work demonstrates an unprecedented silicon MWC high performances by using anisotropy one‐/two‐dimensional (1D/2D) subwavelength grating (SWG) structures. For proposed MWC, 2D‐SWG crossing region at...
As the key element for optical systems, polarization controllers with versatile functionalities are highly desired. Here, a CMOS-compatible switch is proposed and realized by using Mach-Zehnder interferometer integrated two polarization-dependent mode converters (PDMCs) at input/output ends. The PDMCs, which utilize hybridness adiabatic evolution in silicon-on-insulator (SOI) ridge waveguide taper, provide low-loss transmission launched TE
Large-scale photonic switches are essential components for telecommunications and interconnects, incorporating many cascaded 2 × optical switches. To keep the excess loss of entire switch low, it is crucial to develop ultralow-loss by introducing new coupler designs. In this paper, a low-loss calibration-free Mach-Zehnder (MZS) designed with varied-width multimode-interference (MMI) couplers proposed fabricated. design, MMI has region two multimode output waveguides. The optimized particle...
Silicon photonic Mach–Zehnder switches (MZSs) have been extensively investigated as a promising candidate for optical systems. However, conventional <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" id="m1"> <mml:mrow> <mml:mn>2</mml:mn> <mml:mo>×</mml:mo> </mml:mrow> </mml:math> MZSs are usually prone to the size variations of arm waveguides due imperfect fabrication, resulting in considerable random phase imbalance between two arms, thereby imposing significant...
On-chip polarization controllers are extremely important for various optical systems. In this paper, a compact and robust silicon-based on-chip controller is proposed demonstrated by integrating special converter phase shifters. The consists of 1×1 Mach–Zehnder interferometer with two polarization-dependent mode converters at the input/output ends. When light an arbitrary state (SOP) launched into chip, TE 0 TM modes simultaneously excited. extinction ratio (PER) difference / tuned...
Hyperspectral images (HSI) have been extensively applied in a multitude of domains, due to their combined spatial and spectral characteristics along with wealth bands. The ingenious combination information HSI classification has remained central research area for an extended period. In the process, it is essential choose expanded neighborhood window learning. Nonetheless, employing extensive could lead problem lack independence between training dataset test dataset. Hence, this paper puts...
Abstract Integrated optical delay lines have become imperative to meet the growing demand as large aperture antennas and high number of subarrays required for microwave beamforming, high-speed communication, integrated quantum photonics. It is very challenging achieve ranges, small footprints, broad bandwidths simultaneously due strong trade-off between propagation loss group refractive index waveguides. In this paper, we propose experimentally demonstrate multimode-enabled silicon photonic...
A compact silicon photonic wavelength-selective switch (WSS) based on an array of elliptical microrings with adiabatically varied radii and widths is proposed demonstrated experimentally. 1 × 4 WSS designed realized by integrating four cells sharing the same bus waveguide. Particularly each cell contains microring units corresponding to wavelength-channels. For fabricated WSS, average excess loss at output port all channels measured be less than dB, while crosstalk between adjacent −20 dB....
A polarization-insensitive optical filter is proposed and demonstrated with 340-nm-thick silicon photonic waveguides. It consists of a mode (de)multiplexer multimode waveguide grating (MWG). The MWG designed optimally according to the phase-matching condition. Meanwhile, longitudinal apodization introduced in suppress sidelobes. For fabricated based on single stage MWG, 1-dB bandwidth as large ∼13 nm, excess loss ∼1 dB sidelobe suppression ratio about 10 for both polarizations. In...
Abstract Multidimensional multiplexing technologies have been proven to be a promising scheme meet the demands of high‐capacity optical interconnects and processing networks. However, challenges remain realize multidimensional hybrid data transmission signal between few‐mode fiber links on‐chip networks, since coupling chip is almost exclusively in single‐mode regime. Here, fiber‐to‐chip system proposed demonstrated for wavelength‐, mode‐, polarization‐division signals, where link multi‐mode...
We have designed and demonstrated a 192-channel silicon Reconfigurable Optical Add-Drop Multiplexer (ROADM) for multi-dimensional multiplexing systems. The proposed ROADM accommodates total of 192 channels (6 modes 32 wavelengths), each them supports 100 Gbps 16QAM signal transmission.
We have designed and experimentally demonstrated silicon photonic waveguide crossings for the TE fundamental mode with record-low loss of 6 ± 2 mdB in wavelength range 1520-1560 nm.
This article introduce the method of acquiring syndrome related to elements based on rough set theory. Through JOHNSON experimental study spleen and YANG asthenia, we have a data then analyzed result.
We demonstrate a heterogeneous integrated multi-dimensional fiber-chip system using few-mode fiber and 2D/3D chips. By carrying 56 Gbaud QPSK signal, the with 192 mode/polarization/wavelength channels implements 20-Tb/s optical signal transmission processing.
We demonstrate the capability of graph theory scheme to realize complex multiphoton multidimensional state. show generation quantum states based on was realized by reconfigurable integrated chip. The 4-photon 3-dimensional GHZ state generated and verified manipulated for first time.
Codesign, an integral part of computer architecture referring to the information interaction in hardware-software stack, is able boost algorithm mapping and execution hardware. This well applies noisy intermediate-scale quantum era, where algorithms processors both need be shaped allow for advantages experimental implementations. The state-of-the-art adiabatic optimization faces challenges scaling up, deteriorating performance not necessarily alleviated by increasing circuit depth given...
The extremely overdoped cuprates are generally considered to be Fermi liquid metals without exotic orders, whereas the underdoped harbor intertwined states. Contrary this conventional wisdom, using Cu L_{3}-edge and O K-edge resonant x-ray scattering, we reveal a charge order (CO) correlation in La_{2-x}Sr_{x}CuO_{4} (0.35≤x≤0.6) beyond superconducting dome. This CO has periodicity of ∼6 lattice units with lengths ∼20 units. It shows similar in-plane momentum polarization dependence...