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Inspired by the photosynthetic energy transfer process, we theoretically propose a method to realize non-reciprocal optical transmission in an array of coupled resonators. The optical non-reciprocity of the coupled resonators arises from…

Optics · Physics 2023-11-28 Yi-Xuan Yao , Qing Ai

We propose a theoretical scheme to generate nonreciprocal bipartite entanglement between a cavity mode and vibrational modes in a molecular cavity optomechanical system. Our system consists of $\mathcal{N}$ molecules placed inside a…

Precise robotic manipulation skills are desirable in many industrial settings, reinforcement learning (RL) methods hold the promise of acquiring these skills autonomously. In this paper, we explicitly consider incorporating operational…

A simple gripper can solve more complex manipulation tasks if it can utilize the external environment such as pushing the object against the table or a vertical wall, known as "Extrinsic Dexterity." Previous work in extrinsic dexterity…

Robotics · Computer Science 2022-11-04 Wenxuan Zhou , David Held

Entanglement between distant massive mechanical oscillators is of particular interest in quantum-enabled devices due to its potential applications in distributed quantum information processing. Here we propose how to achieve nonreciprocal…

Quantum Physics · Physics 2022-12-06 Ya-Feng Jiao , Jing-Xue Liu , Ying Li , Ronghua Yang , Le-Man Kuang , Hui Jing

Optical nonreciprocity is important in photonic information processing to route the optical signal or prevent the reverse flow of noise. By adopting the strong nonlinearity associated with a few atoms in a strongly coupled cavity QED system…

We demonstrate that deep reinforcement learning (deep RL) provides a highly effective strategy for the control and self-tuning of optical systems. Deep RL integrates the two leading machine learning architectures of deep neural networks and…

Signal Processing · Electrical Eng. & Systems 2020-06-11 Chang Sun , Eurika Kaiser , Steven L. Brunton , J. Nathan Kutz

Jumping poses a significant challenge for quadruped robots, despite being crucial for many operational scenarios. While optimisation methods exist for controlling such motions, they are often time-consuming and demand extensive knowledge of…

Robotics · Computer Science 2026-05-19 Riccardo Bussola , Michele Focchi , Giulio Turrisi , Claudio Semini , Luigi Palopoli

Nonclassical mechanical states, as vital quantum resources for exploring macroscopic quantum behavior, have wide applications in the study of the fundamental quantum mechanics and modern quantum technology. In this work, we propose a scheme…

Quantum Physics · Physics 2025-05-26 Yu-Hong Liu , Qing-Shou Tan , Le-Man Kuang , Jie-Qiao Liao

In an optomechanical setup, the coupling between cavity and resonator can be increased by tuning them to the same frequency. We study this interaction between a carbon nanotube resonator and a radio-frequency circuit. In this resonant…

Mesoscale and Nanoscale Physics · Physics 2016-10-25 Natalia Ares , Tian Pei , Aquila Mavalankar , Matthias Mergenthaler , Jamie H. Warner , G. Andrew D. Briggs , Edward A. Laird

We present a fast time-domain simulator for optical cavities capable of reproducing non-linear dynamical regimes arising from ring-down effect during resonance crossings at high mirror velocities. The model is based on a recursive…

Optics · Physics 2026-05-14 A. Svizzeretto , J. Casanueva Diaz , B. L. Swinkels , M. Bawaj

Deep reinforcement learning has the potential to address various scientific problems. In this paper, we implement an optics simulation environment for reinforcement learning based controllers. The environment captures the essence of…

Machine Learning · Computer Science 2023-10-03 Abulikemu Abuduweili , Changliu Liu

Purpose: The treatment of cardiovascular diseases requires complex and challenging navigation of a guidewire and catheter. This often leads to lengthy interventions during which the patient and clinician are exposed to X-ray radiation. Deep…

Machine Learning · Computer Science 2024-03-06 Valentina Scarponi , Michel Duprez , Florent Nageotte , Stéphane Cotin

We describe an approach to optical non-reciprocity that exploits the local helicity of evanescent electric fields in axisymmetric resonators. By interfacing an optical cavity to helicity-sensitive transitions, such as Zeeman levels in a…

Quantum Physics · Physics 2014-06-25 Erik J. Lenferink , Guohua Wei , Nathaniel P. Stern

We demonstrate that optomechanical non-reciprocity is equivalent to the anti-resonance, often discussed in the context of coupled driven harmonic oscillators. We show that that suitable phase-difference between the cavity driving fields…

Quantum Physics · Physics 2020-06-17 Chetan Waghela , Shubhrangshu Dasgupta

Existing homography and optical flow methods are erroneous in challenging scenes, such as fog, rain, night, and snow because the basic assumptions such as brightness and gradient constancy are broken. To address this issue, we present an…

Computer Vision and Pattern Recognition · Computer Science 2023-05-30 Haipeng Li , Kunming Luo , Bing Zeng , Shuaicheng Liu

We propose an on-chip all-optical gyroscope based on nonlinear multi-resonant cavity quantum photonics in thin film $\chi^{(2)}$ resonators -- Quantum-Optic Nonlinear Gyro or QONG in short. The key feature of our gyroscope is co-arisal and…

Quantum Physics · Physics 2023-10-17 Mengdi Sun , Marko Lončar , Vassilios Kovanis , Zin Lin

Visual Odometry (VO) is essential to downstream mobile robotics and augmented/virtual reality tasks. Despite recent advances, existing VO methods still rely on heuristic design choices that require several weeks of hyperparameter tuning by…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Nico Messikommer , Giovanni Cioffi , Mathias Gehrig , Davide Scaramuzza

The role of entanglement in determining the non-classicality of a given interaction has gained significant traction over the last few years. In particular, as the basis for new experimental proposals to test the quantum nature of the…

Quantum Physics · Physics 2023-11-15 A. Douglas K. Plato , Dennis Rätzel , Chuanqi Wan

Inertial navigation systems (INS) are widely used in both manned and autonomous platforms. One of the most critical tasks prior to their operation is to accurately determine their initial alignment while stationary, as it forms the…

Robotics · Computer Science 2025-11-20 Daniel Engelsman , Itzik Klein