High-Efficiency Low-Noise Optomechanical Crystal Photon-Phonon Transducers

Kavli Affiliate: Oskar Painter | First 5 Authors: Sameer Sonar, Utku Hatipoglu, Srujan Meesala, David Lake, Hengjiang Ren | Summary: Optomechanical crystals (OMCs) enable coherent interactions between optical photons and microwave acoustic phonons, and represent a platform for implementing quantum transduction between microwave and optical signals. Optical absorption-induced thermal noise at cryogenic (millikelvin) temperatures is […]


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Functional photoacoustic noninvasive Doppler angiography in humans

Kavli Affiliate: Lihong V. Wang | First 5 Authors: Yang Zhang, Joshua Olick-Gibson, Karteekeya Sastry, Lihong V. Wang, | Summary: Optical imaging of blood flow yields critical functional insights into the circulatory system, but its clinical implementation has typically been limited to shallow depths (~1 millimeter) due to light scattering in biological tissue. Here, we […]


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Capture Point Control in Thruster-Assisted Bipedal Locomotion

Kavli Affiliate: Morteza Gharib | First 5 Authors: Shreyansh Pitroda, Aditya Bondada, Kaushik Venkatesh Krishnamurthy, Adarsh Salagame, Chenghao Wang | Summary: Despite major advancements in control design that are robust to unplanned disturbances, bipedal robots are still susceptible to falling over and struggle to negotiate rough terrains. By utilizing thrusters in our bipedal robot, we […]


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Thruster-Assisted Incline Walking

Kavli Affiliate: Morteza Gharib | First 5 Authors: Kaushik Venkatesh Krishnamurthy, Chenghao Wang, Shreyansh Pitroda, Adarsh Salagame, Eric Sihite | Summary: In this study, our aim is to evaluate the effectiveness of thruster-assisted steep slope walking for the Husky Carbon, a quadrupedal robot equipped with custom-designed actuators and plural electric ducted fans, through simulation prior […]


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Data-driven fingerprint nanomechanical mass spectrometry

Kavli Affiliate: Michael L. Roukes | First 5 Authors: John E. Sader, Alfredo Gomez, Adam P. Neumann, Alexander R. Nunn, Michael L. Roukes | Summary: Fingerprint analysis is a ubiquitous tool for pattern recognition with applications spanning from geolocation and DNA analysis to facial recognition and forensic identification. Central to its utility is the ability […]


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Joint Power Allocation and Beamforming Design for Active IRS-Aided Directional Modulation Secure Systems

Kavli Affiliate: Wei Gao | First 5 Authors: Yifan Zhao, Xiaoyu Wang, Kaibo Zhou, Xuehui Wang, Yan Wang | Summary: Since the secrecy rate (SR) performance improvement obtained by secure directional modulation (DM) network is limited, an active intelligent reflective surface (IRS)-assisted DM network is considered to attain a high SR. To address the SR […]


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Joint Power Allocation and Beamforming Design for Active IRS-Aided Directional Modulation Secure Systems

Kavli Affiliate: Wei Gao | First 5 Authors: Yifan Zhao, Xiaoyu Wang, Kaibo Zhou, Xuehui Wang, Yan Wang | Summary: Since the secrecy rate (SR) performance improvement obtained by secure directional modulation (DM) network is limited, an active intelligent reflective surface (IRS)-assisted DM network is considered to attain a high SR. To address the SR […]


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Free-space quantum information platform on a chip

Kavli Affiliate: Ali Hajimiri | First 5 Authors: Volkan Gurses, Samantha I. Davis, Neil Sinclair, Maria Spiropulu, Ali Hajimiri | Summary: Emerging technologies that employ quantum physics offer fundamental enhancements in information processing tasks, including sensing, communications, and computing. Here, we introduce the quantum phased array, which generalizes the operating principles of phased arrays and […]


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Chain of Preference Optimization: Improving Chain-of-Thought Reasoning in LLMs

Kavli Affiliate: Wei Gao | First 5 Authors: Xuan Zhang, Chao Du, Tianyu Pang, Qian Liu, Wei Gao | Summary: The recent development of chain-of-thought (CoT) decoding has enabled large language models (LLMs) to generate explicit logical reasoning paths for complex problem-solving. However, research indicates that these paths are not always deliberate and optimal. The […]


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Hidden correlations in stochastic photoinduced dynamics of a solid-state electrolyte

Kavli Affiliate: Scott K. Cushing | First 5 Authors: Jackson McClellan, Alfred Zong, Kim H. Pham, Hanzhe Liu, Zachery W. B. Iton | Summary: Photoexcitation by ultrashort laser pulses plays a crucial role in controlling reaction pathways, creating nonequilibrium material properties, and offering a microscopic view of complex dynamics at the molecular level. The photo […]


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