Jianji Dong
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View article: Photonic edge intelligence chip for multi-modal sensing, inference and learning
Photonic edge intelligence chip for multi-modal sensing, inference and learning Open
View article: Performance improvement of all-optical programmable logic array chip with loss-optimized silicon waveguides
Performance improvement of all-optical programmable logic array chip with loss-optimized silicon waveguides Open
Programmable logic array (PLA) based on canonical logic units (CLUs) can provide an effective way to realize optical digital computing by enabling arbitrary reconfigurable logic functions. Silicon-based all-optical PLA chips are promising …
View article: Sub-terahertz plasmonic lithium niobate phase modulator
Sub-terahertz plasmonic lithium niobate phase modulator Open
Ultrahigh-bandwidth, high-stability, and ultra-compact electro-optic (EO) modulators are the key components for next-generation high-speed optical communications and computing systems. Surface plasmon polaritons (SPPs) have attracted much …
View article: Scaling up for end-to-end on-chip photonic neural network inference
Scaling up for end-to-end on-chip photonic neural network inference Open
Optical neural networks are emerging as a competitive alternative to their electronic counterparts, offering distinct advantages in bandwidth and energy efficiency. Despite these benefits, scaling up on-chip optical neural networks for end…
View article: High-efficiency SHG in etchless lithium niobate waveguides enabled by polymer-induced bound states in the continuum
High-efficiency SHG in etchless lithium niobate waveguides enabled by polymer-induced bound states in the continuum Open
Bound states in the continuum (BIC) demonstrate significant potential for achieving strong optical confinement, characterized by their inherent elimination of complex etching processes and low propagation loss. However, efficient second-ha…
View article: Highly efficient photonic convolver via lossless mode-division fan-in
Highly efficient photonic convolver via lossless mode-division fan-in Open
View article: Wear resistance study of NiCrBSi plasma-sprayed coating with diamond as functional phase
Wear resistance study of NiCrBSi plasma-sprayed coating with diamond as functional phase Open
A plasma-sprayed coating was prepared with NiCrBSi alloy as the matrix and chromium-plated diamond as the hard additive phase. The chromium-plating layer was characterized by a thick dual-shell structure with gradient function. The inner s…
View article: Photonic logic tensor computing beyond Tbit/s per core
Photonic logic tensor computing beyond Tbit/s per core Open
The soaring demand for computing resources has spurred great interest in photonic computing with higher speed and larger computing capacity. Photonic logic gates are of crucial importance due to the fundamental role of Boolean logic in mod…
View article: Thin-film lithium niobate photonic circuit for ray tracing acceleration
Thin-film lithium niobate photonic circuit for ray tracing acceleration Open
View article: Highly integrated all-optical nonlinear deep neural network for multi-thread processing
Highly integrated all-optical nonlinear deep neural network for multi-thread processing Open
View article: Progress in silicon-based reconfigurable and programmable all-optical signal processing chips
Progress in silicon-based reconfigurable and programmable all-optical signal processing chips Open
Taking the advantage of ultrafast optical linear and nonlinear effects, all-optical signal processing (AOSP) enables manipulation, regeneration, and computing of information directly in optical domain without resorting to electronics. As a…
View article: A monolithically integrated optical Ising machine
A monolithically integrated optical Ising machine Open
The growing demand for enhanced computational power and energy efficiency has driven the development of optical Ising machines for solving combinatorial optimization problems. However, existing implementations face challenges in integratio…
View article: Monolithically integrated asynchronous optical recurrent accelerator
Monolithically integrated asynchronous optical recurrent accelerator Open
View article: Wear Resistance Study of Nicrbsi Plasma-Sprayed Coating with Diamond as Functional Phase
Wear Resistance Study of Nicrbsi Plasma-Sprayed Coating with Diamond as Functional Phase Open
View article: Partially coherent optical chip enables physical-layer public-key encryption
Partially coherent optical chip enables physical-layer public-key encryption Open
View article: Large-scale optical programmable logic array for two-dimensional cellular automaton
Large-scale optical programmable logic array for two-dimensional cellular automaton Open
View article: Thermo-Optic Switch with High Tuning Efficiency Based on Nanobeam Cavity and Hydrogen-Doped Indium Oxide Microheater
Thermo-Optic Switch with High Tuning Efficiency Based on Nanobeam Cavity and Hydrogen-Doped Indium Oxide Microheater Open
We propose and experimentally demonstrate an efficient on-chip thermo-optic (TO) switch based on a photonic crystal nanobeam cavity (PCNC) and a hydrogen-doped indium oxide (IHO) microheater. The small mode volume of the PCNC and the close…
View article: Multimodal deep learning using on-chip diffractive optics with in situ training capability
Multimodal deep learning using on-chip diffractive optics with in situ training capability Open
View article: Chip-encoded high-security classical optical key distribution
Chip-encoded high-security classical optical key distribution Open
The information security plays a significant role in both our daily life and national security. As the traditional algorithm-based secure key distribution (SKD) is challenged by the quantum computers, the optical physical-layer SKD has att…
View article: Chip-scale all-optical complex-valued matrix inverter
Chip-scale all-optical complex-valued matrix inverter Open
Matrix inversion is a fundamental and widely utilized linear algebraic operation but computationally expensive in digital-clock-based platforms. Optical computing is a new computing paradigm with high speed and energy efficiency, and the c…
View article: Efficient second harmonic generation in a high-Q Fabry-Perot microresonator on x-cut thin film lithium niobate
Efficient second harmonic generation in a high-Q Fabry-Perot microresonator on x-cut thin film lithium niobate Open
Microresonators facilitate enhanced light-matter interactions within a limited space, showing great promise for nonlinear optics. Here, we demonstrate a high-quality (Q) factor Fabry-Perot microresonator (FPR) for second harmonic generatio…
View article: Broadband angular spectrum differentiation using dielectric metasurfaces
Broadband angular spectrum differentiation using dielectric metasurfaces Open
Signal processing is of critical importance for various science and technology fields. Analog optical processing can provide an effective solution to perform large-scale and real-time data processing, superior to its digital counterparts, …
View article: Programmable integrated photonic coherent matrix: Principle, configuring, and applications
Programmable integrated photonic coherent matrix: Principle, configuring, and applications Open
Every multi-input multi-output linear optical system can be deemed as a matrix multiplier that carries out a desired transformation on the input optical information, such as imaging, modulation, and computing. The strong programmability of…
View article: Compact, efficient, and scalable nanobeam core for photonic matrix-vector multiplication
Compact, efficient, and scalable nanobeam core for photonic matrix-vector multiplication Open
Optical neural networks have emerged as a promising avenue for implementing artificial intelligence applications, with matrix computations being a crucial component. However, the existing implementations based on microring resonators (MRRs…
View article: Redundancy-free integrated optical convolver for optical neural networks based on arrayed waveguide grating
Redundancy-free integrated optical convolver for optical neural networks based on arrayed waveguide grating Open
Optical neural networks (ONNs) have gained significant attention due to their potential for high-speed and energy-efficient computation in artificial intelligence. The implementation of optical convolutions plays a vital role in ONNs, as t…
View article: Directional coupling and focusing surface plasmon polaritons controlled by arbitrary spin of light
Directional coupling and focusing surface plasmon polaritons controlled by arbitrary spin of light Open
Surface plasmon polaritons have attracted varies of interests due to its special properties, especially in the polarization-controlled devices. Typically, the polarization-controlled devices include directional coupling, focusing lens and …
View article: Chip-to-chip optical multimode communication with universal mode processors
Chip-to-chip optical multimode communication with universal mode processors Open
View article: Ultra-efficient second harmonic generation via mode phase matching in integrated lithium niobate racetrack resonators
Ultra-efficient second harmonic generation via mode phase matching in integrated lithium niobate racetrack resonators Open
High-efficiency second harmonic generation (SHG) relying solely on intermodal dispersion engineering remains a challenge. Here, we realize highly efficient SHG using a double-waveguide coupled racetrack microring resonator on X-cut lithium…
View article: Human emotion recognition with a microcomb-enabled integrated optical neural network
Human emotion recognition with a microcomb-enabled integrated optical neural network Open
State-of-the-art deep learning models can converse and interact with humans by understanding their emotions, but the exponential increase in model parameters has triggered an unprecedented demand for fast and low-power computing. Here, we …
View article: On-chip multifunctional self-configurable quadrilateral MZI network
On-chip multifunctional self-configurable quadrilateral MZI network Open
Photonic integrated circuits have garnered significant attention in recent years. To enhance the functional versatility of these devices, researchers have introduced the concept of reconfiguration into photonic integrated circuits. Inspire…