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We theoretically demonstrate the generation and radiation of coherent nanoplasmons powered by a single three-level quantum emitter on a plasmonic nanoresonator. By pumping the three-level emitter in a Raman configuration, we show a pathway…

Optics · Physics 2017-12-01 Pu Zhang , Igor Protsenko , Vahid Sandoghdar , Xue-Wen Chen

In the present study, wakefield amplification via coherent resonant excitation using two co propagating laser pulses in a homogeneous plasma is investigated. The proposed scheme is based on linearly polarized leading seed pulse followed by…

We propose a scheme for two-mode hyperradiant lasing in a system comprising two incoherently pumped quantum dots (QDs) coupled to a bimodal photonic crystal cavity. To account for the exciton-phonon interactions, we employ a…

Quantum Physics · Physics 2025-06-27 Lavakumar Addepalli , P. K. Pathak

One of the common algorithms used to reconstruct photoacoustic (PA) images is the non-adaptive Delay-and-Sum (DAS) beamformer. However, the quality of the reconstructed PA images obtained by DAS is not satisfying due to its high level of…

Signal Processing · Electrical Eng. & Systems 2018-02-13 Roya Paridar , Moein Mozaffarzadeh , Mohammadreza Nasiriavanaki , Mahdi Orooji

We propose the use of weakly nonlinear passive materials for prospective applications in integrated quantum photonics. It is shown that strong enhancement of native optical nonlinearities by electromagnetic field confinement in photonic…

Mesoscale and Nanoscale Physics · Physics 2015-06-12 S. Ferretti , V. Savona , D. Gerace

Long acquisition time (AQT) due to series acquisition of multi-modality MR images (especially T2 weighted images (T2WI) with longer AQT), though beneficial for disease diagnosis, is practically undesirable. We propose a novel deep network…

Image and Video Processing · Electrical Eng. & Systems 2020-06-24 Preethi Srinivasan , Prabhjot Kaur , Aditya Nigam , Arnav Bhavsar

The Electron Multiplying Charge Coupled Devices (EMCCD), owing to their high quantum efficiency and spatial resolution, are widely used to study typical quantum optical phenomena and related applications. Researchers have already developed…

Quantum Physics · Physics 2024-11-12 Rounak Chatterjee , Vikas Bhat , Kiran Bajar , Sushil Mujumdar

Inhomogeneous ensembles of two-level systems are important for both fundamental light-matter physics and quantum-network applications. Here we develop a general waveguide model that provides an intuitive and analytical description of…

Quantum Physics · Physics 2026-05-27 Fumiya Hanamura , Sicheng Bao , Jie Lerk Yoo , Alexia Auffèves , Steven Touzard

We present and implement a new scheme for extended multi-channel selective femtosecond coherent control based on symmetry properties of the excitation channels. Here, an atomic non-resonant two-photon absorption channel is coherently…

Atomic Physics · Physics 2008-05-17 Andrey Gandman , Lev Chuntonov , Leonid Rybak , Zohar Amitay

A qubit memory is the building block for quantum information. Cavity-enhanced spin-wave-photon entanglement has been achieved by applying dual-control modes. However, owing to cross readouts between the modes, the qubit retrieval efficiency…

Quantum Physics · Physics 2021-10-22 Minjie Wang , Shengzhi Wang , Tengfei Ma , Ya Li , Yan Xie , Haole Jiao , Hailong Liu , Shujing Li , Hai Wang

Noiseless quantum amplifiers are probabilistic quantum devices that enhance amplitude of coherent states without adding any noise, which has far reaching applications in quantum optics and quantum information processing. Here, we report on…

The light reflectance and absorbance are calculated for a quantum well (QW) the width of which is comparable with the light wave length. The difference of the refraction coefficients of the quantum well and barriers is taken into account.…

Mesoscale and Nanoscale Physics · Physics 2010-02-10 I. G. Lang , S. T. Pavlov

A detailed analysis of electromechanically induced absorption (EMIA) in a circuit nano-electromechanical hybrid system consisting of a superconducting microwave resonator coupled to a nanomechanical beam is presented. By performing two-tone…

Mesoscale and Nanoscale Physics · Physics 2013-01-03 Fredrik Hocke , Xiaoqing Zhou , Albert Schliesser , Tobias J. Kippenberg , Hans Huebl , Rudolf Gross

We experimentally demonstrate amplitude and phase modulation of a time-energy entangled two-photon wave function. The entangled photons are produced by spontaneous parametric down-conversion, spectrally dispersed in an prism compressor,…

Quantum Physics · Physics 2009-01-23 F. Zäh , M. Halder , T. Feurer

We report on non-adiabatic transport through a double quantum dot under irradiation of surface acoustic waves generated on-chip. At low excitation powers, absorption and emission of single and multiple phonons is observed. At higher power,…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 W. J. M. Naber , T. Fujisawa , H. W. Liu , W. G. van der Wiel

We consider ultracold atoms in a far detuned optical lattice orientated across a high-Q optical resonator. Applying an external driving laser to the atoms, which is red detuned from the cavity mode by one vibrational quantum, induces…

Quantum Physics · Physics 2009-11-13 Thomas Salzburger , Helmut Ritsch

Coherent sources exploiting the stimulated emission of non-equilibrium quantum systems, i.e. gain media, have proven indispensable for advancing fundamental research and engineering. The operating electromagnetic bands of such coherent…

Optics · Physics 2023-01-06 Hao Wu , Tong Li , Zhang-Qi Yin , Jiyang Ma , Xu-Ri Yao , Bo Zhang , Mark Oxborrow , Qing Zhao

We present a theoretical and experimental study of photonic and electronic transport properties of a voltage biased InAs semiconductor double quantum dot (DQD) that is dipole-coupled to a superconducting transmission line resonator. We…

Mesoscale and Nanoscale Physics · Physics 2015-06-19 Manas Kulkarni , Ovidiu Cotlet , Hakan E. Türeci

We show that the recently reported cosmic gravitational wave background by the NANOGrav 15-year collaboration may be the result of resonant particle creation during inflation. For the appropriate amplitude and particle mass an enhancement…

Cosmology and Nongalactic Astrophysics · Physics 2023-10-09 M. R. Gangopadhyay , V. V. Godithi , K. Ichiki , R. Inui , T. Kajino , A. Manusankar , G. J. Mathews , Yogesh

Light-matter interaction in optomechanical systems is the foundation for ultra-sensitive detection schemes [1,2] as well as the generation of phononic and photonic quantum states [3-10]. Electromechanical systems realize this optomechanical…