Optomechanically induced spontaneous symmetry breaking

Miri, Mohammad‐Ali; Verhagen, Ewold; Alù, Andrea

doi:10.1103/physreva.95.053822

Cited by 21 publications

(7 citation statements)

References 49 publications

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“…0 which are the same as the bistability turning points [29]. Even though the Routh-Hurwitz analysis determines the instability range, it does not provide further information about the exact value of the roots.…”

Section: Comb Formation Thresholdmentioning

confidence: 99%

“…This scenario has resulted in interesting nonlinear dynamical effects, much richer than stationary-state nonlinearities. In this regard, the nonlinear dynamics of optomechanical cavities has been intensively explored in the recent literature, while various static and dynamics aspects, such as bistability [26][27][28], spontaneous symmetry breaking [29], self-induced oscillations [30][31][32][33], and chaos [34][35][36] have been investigated. In addition, parametric generation of equally spaced optical lines induced by the acoustic modes in bottle microresonators have also been explored [37].…”

Section: Introductionmentioning

confidence: 99%

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Optomechanical frequency combs

2018

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We study the formation of frequency combs in a single-mode optomechanical cavity. The comb is composed of equidistant spectral lines centered at the pump laser frequency and located at different harmonics of the mechanical resonator. We investigate the classical nonlinear dynamics of such system and find analytically the onset of parametric instability resulting in the breakdown of a stationary continuous wave intracavity field into a periodic train of pulses, which in the Fourier domain gives rise to a broadband frequency comb. Different dynamical regimes, including a stationary state, frequency comb generation and chaos, and their dependence on the system parameters, are studied both analytically and numerically. Interestingly, the comb generation is found to be more robust in the poor cavity limit, where optical loss is equal or larger than the mechanical resonance frequency. Our results show that optomechanical resonators open exciting opportunities for microwave photonics as compact and robust sources of frequency combs with megahertz line spacing.

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Section: Comb Formation Thresholdmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Optomechanical frequency combs

2018

Self Cite

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“…In addition, since the displacement of the suspended metasurface is caused by its own deformation, there is no excessive requirement for support structure and the flatness of the movable mirror compared to conventional macroscopic optomechanical cavities [8][9][10]. We believe our scheme will provides a new approach to the function of all-optical switches [21][22][23] and can be further applied to nonreciprocal transmission [24][25][26][27][28], and this kind of optomechanical cavity with high sensitivity can also facilitate the research of fundamental physics of macroscopic quantum systems [29][30][31][32][33].…”

Section: Discussionmentioning

confidence: 95%

Low threshold optomechanically induced bistability based on suspended metasurface

Sang

Xu²

2022

Thirteenth International Conference on Information Optics and Photonics (CIOP 2022)

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We theoretically propose an optomechanical system based on suspended metasurface to achieve low threshold optical bistability. By integrating the silicon nitride (Si3N4) membrane with metasurface, it can achieve a near-unity reflectivity around 1550 nm, when it forms an optomechanical cavity with a high-reflectivity fixed mirror, its 2 mm 2 mm size and 100 nm thickness enable it to respond sensitively to radiation pressures on the order of 100 milliwatts.Benefit from the excellent optical and mechanical properties of the metasurface, the optomechanical system performs strong optomechanically induced nonlinearity, and exhibits optical bistability at intensity of aboot 1.5 W/cm-2.

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“…Other promising platforms for nonreciprocal devices that can overcome those based on gyrotropic materials at terahertz, IR, and telecom wavelengths are p‐i‐n junctions [ 22 ] and narrow‐band optomechanical effects. [ 26,39,40,243–245 ]…”

Section: Nonreciprocity Based On Time‐modulationmentioning

confidence: 99%

Up‐And‐Coming Advances in Optical and Microwave Nonreciprocity: From Classical to Quantum Realm

Kutsaev

Krasnok

Romanenko

et al. 2021

Advanced Photonics Research

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Reciprocity is a fundamental physical principle that roots in the time‐reversal symmetry of physical laws. It allows making predictions on any arbitrary complex system's response and operation and hence simplifies the analysis. However, there are many practical situations in which it is advantageous to break reciprocity, e.g., isolators preventing wave scattering back to lasers and generators, full‐duplex systems for multiplexing transmission and receiving in the same channel, nonreciprocal cavity excitation, and protection of fragile states of superconductor quantum computers from thermal noise. The most widespread approach to time‐reversal symmetry breaking and nonreciprocity based on magnetic field biasing suffers from bulkiness, cost ineffectiveness, and loss, motivating researchers and engineers to search for more practical approaches. Herein, the up‐and‐coming advances in optical nonreciprocity, including new materials (Weyl semimetals, topological insulators, metasurfaces), active structures, time‐modulation, parity‐time (PT)‐symmetry breaking, nonlinearity combined with a structural asymmetry, quantum nonlinearity, unidirectional gain and loss, chiral quantum states and valley polarization are overviewed. A general description of nonreciprocal systems is provided and the pros and cons of the mentioned approaches to nonreciprocity are discussed.

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Optomechanically induced spontaneous symmetry breaking

Abstract: We

Cited by 21 publications

References 49 publications

Optomechanical frequency combs

Optomechanical frequency combs

Low threshold optomechanically induced bistability based on suspended metasurface

Up‐And‐Coming Advances in Optical and Microwave Nonreciprocity: From Classical to Quantum Realm

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