Han Cai
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Internal Temperature Measurement of Optically Levitated Particles in Vacuum by Raman Thermometry Open
An optical levitation system in a vacuum is an efficient system to investigate the dynamics of isolated micro- and nanoparticles. However, the motion and stability of the trapped particles in this system can be affected by the internal tem…
Toward personalized healthcare: Advances in two‐dimensional nanomaterial‐based flexible electrochemical sensors for physiological monitoring Open
As the demand for personalized health monitoring continues to rise, wearable electrochemical biosensors have attracted considerable attention owing to their superior performance. Two‐dimensional (2D) nanomaterials, with their unique layere…
View article: AdaSwitch: Adaptive Switching Generation for Knowledge Distillation
AdaSwitch: Adaptive Switching Generation for Knowledge Distillation Open
Small language models (SLMs) are crucial for applications with strict latency and computational constraints, yet achieving high performance remains challenging. Knowledge distillation (KD) can transfer capabilities from large teacher model…
View article: SANA-Video: Efficient Video Generation with Block Linear Diffusion Transformer
SANA-Video: Efficient Video Generation with Block Linear Diffusion Transformer Open
We introduce SANA-Video, a small diffusion model that can efficiently generate videos up to 720x1280 resolution and minute-length duration. SANA-Video synthesizes high-resolution, high-quality and long videos with strong text-video alignme…
DC-Gen: Post-Training Diffusion Acceleration with Deeply Compressed Latent Space Open
Existing text-to-image diffusion models excel at generating high-quality images, but face significant efficiency challenges when scaled to high resolutions, like 4K image generation. While previous research accelerates diffusion models in …
Cooling of Optically Levitated Particles: Principles, Implementations, and Applications Open
Optically levitated particles in high vacuum offer an exceptionally isolated mechanical platform for photonic control. Effective cooling of their center-of-mass motion is essential not only for enabling ultrasensitive precision sensing but…
View article: An Integrated Electrochemical Platform Based on Ti 3 C 2 -Ag NPs and 3D- Printed Microfluidics for Simultaneous Detection of PSA and PSMA
An Integrated Electrochemical Platform Based on Ti 3 C 2 -Ag NPs and 3D- Printed Microfluidics for Simultaneous Detection of PSA and PSMA Open
The multiplexed detection of tumor biomarkers represents a transformative strategy to improve diagnostic accuracy in oncology. A significant to the clinical translation of multiplexed label-free electrochemical immunosensors (EIs) is the i…
View article: Realizing the Haldane Model in Thermal Atoms
Realizing the Haldane Model in Thermal Atoms Open
Topological materials hold great promise for developing next-generation devices with transport properties that remain resilient in the presence of local imperfections. However, their susceptibility to thermal noise has posed a major challe…
View article: RoboMemory: A Brain-inspired Multi-memory Agentic Framework for Interactive Environmental Learning in Physical Embodied Systems
RoboMemory: A Brain-inspired Multi-memory Agentic Framework for Interactive Environmental Learning in Physical Embodied Systems Open
Embodied agents face persistent challenges in real-world environments, including partial observability, limited spatial reasoning, and high-latency multi-memory integration. We present RoboMemory, a brain-inspired framework that unifies Sp…
Knowledge, Attitude, and Practice of Palliative Care Among Physicians and Nurses in Intensive Care Units in Shanghai, China Open
The study reveals a low KAP level of palliative care among ICU physicians and nurses in Shanghai. Pathway analysis underscores the crucial role of knowledge in shaping attitudes and practices, emphasizing the urgency of improving knowledge…
Probing floquet topological phase transition in room-temperature superradiance lattices Open
Floquet modulation plays a crucial role in manipulating the phases of quantum matter. However, experimentally characterizing the Floquet topological phase transition, particularly in one-dimensional systems, remains challenging. In this st…
View article: Conductive Hydrogel‐Based Neural Interfaces: From Fabrication Methods, Properties, to Applications
Conductive Hydrogel‐Based Neural Interfaces: From Fabrication Methods, Properties, to Applications Open
Conductive hydrogels provide a flexible platform technology that enables the development of personalized materials for various neuronal diagnostic and therapeutic applications, combining the complementary properties of conductive materials…
View article: SANA: Efficient High-Resolution Image Synthesis with Linear Diffusion Transformers
SANA: Efficient High-Resolution Image Synthesis with Linear Diffusion Transformers Open
We introduce Sana, a text-to-image framework that can efficiently generate images up to 4096$\times$4096 resolution. Sana can synthesize high-resolution, high-quality images with strong text-image alignment at a remarkably fast speed, depl…
View article: Zak Phase Induced Topological Nonreciprocity
Zak Phase Induced Topological Nonreciprocity Open
Topological physics provides novel insights for designing functional photonic devices, such as magnetic-free optical diodes, which are important in optical engineering and quantum information processing. Past efforts mostly focus on the to…
From photon momentum transfer to acceleration sensing Open
As a typical application of photon momentum transfer, optical levitation systems are known for their ideal isolation from mechanical dissipation and thermal noise. These characters offer extraordinary potential for acceleration precision s…
Direct and mediated dipole-dipole interactions in a reconfigurable array of optical traps Open
Optically levitated nanoparticles in vacuum experience both electrostatic and light-induced dipole-dipole interactions, offering a versatile platform to explore mesoscopic entanglement and many-body dynamics. A significant challenge in opt…
View article: Wavelength-tunable high-fidelity entangled photon sources enabled by dual Stark effects
Wavelength-tunable high-fidelity entangled photon sources enabled by dual Stark effects Open
The construction of a large-scale quantum internet requires quantum repeaters containing multiple entangled photon sources with identical wavelengths. Semiconductor quantum dots can generate entangled photon pairs deterministically with hi…
Quantum simulation in Fock-state lattices Open
Fock-state lattices (FSLs) consist of the Fock states of photons and atoms, establishing a quantum photonic platform for simulating condensed matter physics. Remarkably, various topological phenomena, such as topological edge states, strai…
View article: Realization of all-band-flat photonic lattices
Realization of all-band-flat photonic lattices Open
Flatbands play an important role in correlated quantum matter and have promising applications in photonic lattices. Synthetic magnetic fields and destructive interference in lattices are traditionally used to obtain flatbands. However, suc…
View article: Realization of all-band-flat photonic lattices_Datasets
Realization of all-band-flat photonic lattices_Datasets Open
This file contains the datasets presented in the paper titled "Realization of all-band-flat photonic lattices". There are two folders named " reflection" and "transmission". The first one contains the reflection spectrum detected on each s…
Lipid-based nanoparticles for drug delivery in Parkinson’s disease Open
Parkinson’s disease (PD) is a neurodegenerative disorder that predominantly affects dopaminergic neurons in the substantia nigra and ventral tegmental area, resulting in symptoms such as tremors, muscle rigidity, bradykinesia, and potentia…
View article: Realization of all-band-flat photonic lattices_Datasets
Realization of all-band-flat photonic lattices_Datasets Open
The file "data-figshare" contains the datasets presented in the paper titled "Realization of all-band-flat photonic lattices". There are two folders named " reflection" and "transmission". The first one contains the reflection spectrum det…
View article: Realization of all-band-flat photonic lattices
Realization of all-band-flat photonic lattices Open
Flatbands play an important role in correlated quantum matter and have novel applications in photonic lattices. Synthetic magnetic fields and destructive interference in lattices are traditionally used to obtain flatbands. However, such me…
Measuring Zak phase in room-temperature atoms Open
Cold atoms provide a flexible platform for synthesizing and characterizing topological matter, where geometric phases play a central role. However, cold atoms are intrinsically prone to thermal noise, which can overwhelm the topological re…
Zak phase reconstruction enabled by thermal motion of atoms Open
Ultracold atoms provide a flexible platform for simulating topological phases. However, they are intrinsically prone to thermal noise, which can overwhelm topological response and hamper promised applications. On the other hand, topologica…
Unification of valley and anomalous Hall effects in a strained lattice Open
Two dimensional lattices are an important stage for studying many aspects of\nquantum physics, in particular the topological phases. The valley Hall and\nanomalous Hall effects are two representative topological phenomena. Here we\nshow th…
Flat-Band Localization in Creutz Superradiance Lattices Open
Flat bands play an important role in diffraction-free photonics and attract fundamental interest in many-body physics. Here we report the engineering of flat-band localization of collective excited states of atoms in Creutz superradiance l…
Gap-protected transfer of topological defect states in photonic lattices Open
Topologically protected states are important in realizing robust excitation transfer between distant sites in photonic lattices. Here, we propose an efficient gap-protected transfer of photons in a scalable one-dimensional waveguide array …