Here, a scheme for controllable nonreciprocal phonon laser is proposed in hybrid photonic molecule system consisting of whispering-gallery mode (WGM) optomechanical resonator and χ (2) -nonlinear WGM resonator, by directionally quantum squeezing one two coupled modes. The directional results chiral photon interaction between the resonators frequency shift squeezed with respect to unsqueezed bare mode. We show that can modify effective coupling analyze impacts driving direction extent on...

Abstract Recently, the photon—magnon coherent interaction based on collective spins excitation in ferromagnetic materials has been achieved experimentally. Under prospect, magnons are proposed to store and process quantum information. Meanwhile, cavity-optomagnonics which describes between photons developing rapidly as an interesting topic of cavity electrodynamics. Here this short review, we mainly introduce recent theoretical experimental progress field optomagnetic coupling optical...

Abstract A simple and feasible scheme for the generation manipulation of phonon lasering is proposed investigated based on a generic three-mode cavity magnomechanical system, in which magnon mode couples simultaneously with microwave mode. In sharp contrast to all previous schemes only single drive, input pump field system split into two driving fields drive mode, respectively. The impact changing relative phase amplitude ratio drives mechanical gain, stimulated emitted number, threshold...

Abstract Phonon lasers have long been a subject of interest and possess broad application prospects. Much effort is devoted to lay the foundation realizing phonon using cavity magnomechanical systems, but up now no related work carried out explore quantum‐squeezing‐engineered laser action in magnomechanics. Here, investigated three‐mode system built based on microwave resonator‐yttrium iron garnet sphere composite device, focusing effect induced by magnon‐mode squeezing. It found that magnon...

Optomagnonics and optomechanics have various applications, ranging from tunable light sources to optical manipulation for quantum information science. We propose a hybrid system based on the interaction between phonon magnon that can be tuned by an electromagnetic field radiation pressure magneto-optical effects. The self-energies of induced influence thermal noise are studied. Moreover, topological features illustrated considering dynamical encircling with exceptional points, chiral...

Controlling the interaction between spin wave and electromagnetic field is an important issue of optoelectronics. The effect photon blockade to indicate that prevents multiple photons from entering cavity simultaneously, which pivotal achieve at quantum level. Here in this study, we investigate effective way controlling find photon-blockade hybrid optomagnonic microcavity. Specifically, show magnons both transverse electric magnetic modes can be converted into supermode under Kerr effect....

Abstract Coherent Ising Machine (CIM) emerge as powerful tools for solving large‐scale combinatorial optimization problems by mapping them to the ground state search of model. Traditional CIM models face two major challenges when addressing problems: slowness in convergence and susceptibility local minima. To address these limitations, Sliding Mode Control‐Like (SMCL‐CIM) integrates sliding mode control principles into feedback mechanism CIM, inspired classical dynamic methods. Experimental...

Abstract A tunable high-order sideband spectra generation scheme is presented by using a photonic molecule optomechanical system coupled to waveguide beyond the perturbation regime. The coherently driven two-tone laser consisting of continuous-wave control field and pulsed driving which propagates through waveguide. frequency spectral feature output analyzed via numerical simulations, we confirm that under condition intense nanosecond pulse driving, spectrum exhibits properties spectra. In...

Electromagnetically induced transparency (EIT) and Autler-Townes splitting (ATS) are two phenomena that can affect the transmission of a probe field in presence stronger field, both yielding absorption profile. Being able to discriminate these similar but distinct is vital importance. Here we propose scheme describe EIT ATS plasmonic system. The proposed system consists one radiative resonator subradiant metal-insulator-metal waveguide, transition observed from model through three...

Abstract Whispering-gallery mode (WGM) cavities formed by dielectric structures have attracted intensive interest in various fields. The high-quality factor and smaller volume associated with the optical modes inspired experiments nonlinear optics, nanophotonics, quantum information science. Moreover, they are also used biosensors other significant applications. To further reduce material loss of resonator, gain materials, such as erbium ytterbium, doped into structure to increase effect...

Laser-induced damage threshold (LIDT) is investigated at several wavelengths in the high-purity silica optical fiber. The finite element method (FEM) used to study transmission mode, LIDT, temperature distribution, and thermal stress distribution of Our results show that center front surface subjected severe effects under laser irradiation consequently, it susceptible damage. variations are identified as increasing with fluences, which a similar tendency. When fluences surpass such 35 GW /...

Optomagnonics supports optical modes with high-quality factors and strong photon-magnon interaction on the scale of micrometers. These novel features provide an effective way to modulate electromagnetic field in microcavities. Here this work, we studied magnon-induced chaos optomagnonical cavity under condition parity-time symmetry, chaotic behaviors could be observed ultralow thresholds. Even more, existence optomagnetic makes phenomenon controllable through modulating external field. This...

The nonlinearity of magnons plays an important role in the study optomagnonical system. Here this paper, we focus on high-order sideband and frequency comb generation characteristics atom coupled resonator. We find that atom-cavity coupling strength is related to nonlinear coefficients, efficiency sidebands could be reinforced by tuning polarization magnons. Besides, show suppressed under large dissipation condition. This provides a novel way engineer low-threshold hybrid optical microcavities.

Combinatorial optimization has wide and high-value applications in many fields of science industry, but solving general combinatorial problems is non-deterministic polynomial time (NP) hard. Many such can be mapped onto the ground-state-search Ising model. Here, an iterative quantum algorithm based on gradient descent to solve introduced, where initial state a register evolves over several iterations good approximation Ising-Hamiltonian ground state. We verified effectiveness proposed MaxCut...

In non-Hermitian systems, the eigenfrequency of resonance modes coalesces at exceptional points (EPs) in frequency domain, leading to extraordinary parametric sensitivity. this study, controllable generation high-order sidebands and combs is investigated optomagnonical system, which comprises a single resonator coupled with two nanotips. Exploiting scattering induced by nanotips, EPs periodically emerge as relative angle nanoscatterers system tuned, sidebands' spectrum could be modified...

Abstract Along with the studies of properties optical microcavities, nonlinear effects material and interaction between light matter are becoming important topics. For example, chaotic effect field may appear under strong laser pumping due to effects. In this study, phenomenon photonic superposed states is investigated in an optomagnonical cavity. Through dynamic evolution two-mode photons cavity, we found that energy system could be transferred different modes, behaviour can tuned by...

The manipulation of photons is a key technology for obtaining optical quantum information. In this study, we present phase-modulated optomechanical system comprising two coupled cavity resonators and illustrate the phase-controlled photon blockade in system. coupling phase cavities reveals interference introduces an unconventional photon-blockade effect. We also study influence energy level fineness on resonant frequency mechanical mode. Numerical simulations demonstrate that can occur over...

In this article, we design a low-loss, high-bandwidth Z-bend photonic silicon crystal waveguide bending in triangular lattice through topology optimization. Based on the topological optimization method, change relative position of air holes global scope to maximize transmittance and bandwidth waveguide. The simulation results indicate that transmission characteristics can be effectively improved with our method. After optimization, loss reduced −5 dB increase 160 nm. Our research has great...

Detecting and weighing individual nanoparticles is an important approach to studying the behavior properties of single particles. Here, we illustrate effective mass sensing scheme using optomechanical resonator system. Based on optomechanically induced transparency phenomenon, a Stokes' field reference used sense particle microresonator. The intensity transmission will be changed by effect particle, which avoids limits decay-induced spectral width in resonance shift detection. Exploiting...

Berry phase can be used to generate quantum state which is robust environmental noises in information processing. Recently, the relationship between and transition attracts great attention research about topological states of matter. Here, we investigate behavior an anti parity-time symmetric system consisting a metal nanoparticle semiconductor dot. The change undergoes sudden death around exceptional point, i.e., keeps unchanged symmetry unbroken region, while it well adjusted through...

Photon blockade provides an effective way to realize the single-photon source, which attracts intensive attention in fields of quantum optics and information. Here this study, we investigate photon a non-Hermitian indirectly coupled resonator system, consists dissipative cavity Kerr nonlinear two nano-scatters. We find that by tuning coupling phase θ between resonators, interference could be induced on one side near exceptional points (EPs), resulting unconventional effect. Furthermore, it...