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We demonstrate a fiber-type optomechanical array consisting of elastically interconnected silica microbottle resonators with high-Q optical and mechanical modes. In total, fifty optomechanical resonators fabricated by fine glass processing…

Mesoscale and Nanoscale Physics · Physics 2023-10-17 Motoki Asano , Hiroshi Yamaguchi , Hajime Okamoto

Arrays of coupled semiconductor lasers are systems possessing radically complex dynamics that makes them useful for numerous applications in beam forming and beam shaping. In this work, we investigate the spatial controllability of…

We introduce a universal theory of phase auto-oscillators driven by a bi harmonic signal (having frequency components close to single and double of the free-running oscillator frequency) with noise. With it, we show how deterministic phase…

This letter presents a technique that enables very fine tunability of the frequency of Ring Oscillators (ROs). Multiple ROs with different numbers of tunable elements were designed and fabricated in a 65nm CMOS technology. A tunable element…

Cryptography and Security · Computer Science 2024-06-04 Muayad J. Aljafar , Zain Ul Abideen , Adriaan Peetermans , Benedikt Gierlichs , Samuel Pagliarini

Consider an arbitrary network of communicating modules on a chip, each requiring a local signal telling it when to execute a computational step. There are three common solutions to generating such a local clock signal: (i) by deriving it…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-03-13 Johannes Bund , Matthias Függer , Christoph Lenzen , Moti Medina , Will Rosenbaum

A picosecond acoustic pulse can be used to control the lasing emission from semiconductor nanostructures by shifting their electronic transitions. When the active medium, here an ensemble of (In,Ga)As quantum dots, is shifted into or out of…

Magnonic systems present a compelling platform for quantum technology, owing to their strong capacity to form hybrid quantum systems via diverse couplings. To unlock the full potential of these systems, the engineering of flexible coupling…

Quantum Physics · Physics 2025-12-01 Xi-Wen Dou , Zheng-Yang Zhou , Ai-Xi Chen

The ability to manipulate phonon waveforms in continuous media has attracted significant research interest and is crucial for practical applications ranging from biological imaging to material characterization. Although several spatial…

Mesoscale and Nanoscale Physics · Physics 2018-04-17 Megumi Kurosu , Daiki Hatanaka , Koji Onomitsu , Hiroshi Yamaguchi

The mobility of carriers, as limited by their scattering with phonons, can now routinely be obtained from first-principles electron-phonon coupling calculations. However, so far, most computations have relied on some form of simplification…

We design, characterize, and couple Boolean phase oscillators that include state-dependent feedback delay. The state-dependent delay allows us to realize an adjustable coupling strength, even though only Boolean signals are exchanged.…

Adaptation and Self-Organizing Systems · Physics 2014-04-11 David P. Rosin , Damien Rontani , Daniel J. Gauthier

We present an architecture for arbitrarily scalable boson-sampling using two nested fiber loops. The architecture has fixed experimental complexity, irrespective of the size of the desired interferometer, whose scale is limited only by…

Quantum Physics · Physics 2014-09-24 Keith R. Motes , Alexei Gilchrist , Jonathan P. Dowling , Peter P. Rohde

We propose a possibility of a phonon laser by coupling a Bose-Einstein condensate to a nanomechanical cantilever with a magnetic tip. Due to the magnetic coupling, atomic spin flips induce cantilever motion which can be used to produce a…

Quantum Gases · Physics 2012-09-17 Aranya B. Bhattacherjee , Tobias Brandes

Controlling energy flows in solids through switchable electron-lattice cooling can grant access to a range of interesting and potentially useful energy transport phenomena. Here we discuss a unique switchable electron-lattice cooling…

Mesoscale and Nanoscale Physics · Physics 2018-06-26 Jian Feng Kong , Leonid Levitov , Dorri Halbertal , Eli Zeldov

Foundation models have transformed language, vision, and time series data analysis, yet progress on dynamic predictions for physical systems remains limited. Given the complexity of physical constraints, two challenges stand out. $(i)$…

Machine Learning · Computer Science 2026-02-05 Haoran Li , Chenhan Xiao , Lihao Mai , Yang Weng , Erik Blasch

We use the full nonlinear bifurcation theory as a powerful methodology to thoroughly classify and predict the phonon lasing dynamics in optomechanical cavities. We exemplify its scope in the very relevant and so far vaguely explored…

A challenge of modern physics is to investigate the quantum behavior of a bulk material object, for instance a mechanical oscillator. We have earlier demonstrated that by coupling a mechanical oscillator to the energy levels of embedded…

Quantum Physics · Physics 2020-04-08 Y. Le Coq , K. Mølmer , S. Seidelin

We propose a scalable and robust architecture for one-way quantum computation using coupled networks of superconducting transmission line resonators. In our protocol, quantum information is encoded into the long-lived photon states of the…

Quantum Physics · Physics 2015-06-03 Chun-Wang Wu , Ming Gao , Hong-Yi Li , Zhi-Jiao Deng , Hong-Yi Dai , Ping-Xing Chen , Cheng-Zu Li

By exploiting recent developments associated with coupled microcavities, we introduce the concept of PT-symmetric phonon laser with balanced gain and loss. This is accomplished by introducing gain to one of the microcavities such that it…

Quantum Physics · Physics 2015-06-19 H. Jing , Sahin K. Ozdemir , Xin-You Lv , Jing Zhang , Lan Yang , Franco Nori

We propose a scalable design of entangling quantum gates for large ion crystals with the following desirable features: 1) The gate design is universal and applicable for large ion crystals of arbitrary sizes; 2) The gate has no speed…

Quantum Physics · Physics 2022-07-12 L. -M. Duan

Single-photon emitters in solid-state systems are important building blocks for scalable quantum technologies. Recently, quantum light emitters have been discovered in the wide-gap van der Waals insulator hBN. These color centers have…

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