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Related papers: Slow light in molecular aggregates nanofilms

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The interpretation of nanoplasmonic effects on molecular properties, such as metal-enhanced absorption or fluorescence, typically assumes a fully coherent picture (in the quantum-mechanical sense) of the phenomena. Yet, there may be…

Chemical Physics · Physics 2019-07-29 Emanuele Coccia , Stefano Corni

Light storage in an optical fiber is an attractive component in quantum optical delay line technologies. Although silica-core optical fibers are excellent in transmitting broadband optical signals, it is challenging to tailor their…

Optics · Physics 2020-09-14 Wui Seng Leong , Mingjie Xin , Chang Huang , Zilong Chen , Shau-Yu Lan

We develop a simple model for the slow lights in Vertical Cavity Surface Emission Lasers (VCSELs), with the combination of cavity and population pulsation effects. The dependences of probe signal power, injection bias current and wavelength…

Non-intrusive load monitoring (NILM) or energy disaggregation, aims to disaggregate a household's electricity consumption into constituent appliances. More than three decades of work in NILM has resulted in the development of several novel…

Other Computer Science · Computer Science 2014-10-09 Nipun Batra , Manoj Gulati , Puneet Jain , Kamin Whitehouse , Amarjeet Singh

The interplay between static and dynamic disorder and collective optical response in molecular ensembles is an important characteristic of nanoplasmonic and nanophotonic molecular systems. Here we investigate the cooperative superradiant…

Ultra-cold atoms trapped in an optical dipole trap and prepared in a coherent superposition of their hyperfine ground states, decohere as they interact with their environment. We demonstrate than the loss in coherence in an "echo"…

Quantum Physics · Physics 2016-08-16 M. F. Andersen , A. Kaplan , T. Grünzweig , N. Davidson

We investigate propagation of a slow-light soliton in atomic vapors and Bose-Einstein condensates described by the nonlinear Lambda-model. We show that the group velocity of the soliton monotonically decreases with the intensity of the…

Quantum Physics · Physics 2007-05-23 A. V. Rybin , I. P. Vadeiko , A. R. Bishop

Slow light is a fascinating physical effect, raising fundamental questions related to our understanding of light-matter interactions as well as offering new possibilities for photonic devices. From the first demonstrations of slow light…

Multilayer assemblies of metal nanoparticles can act as photonic structures, where collective plasmon resonances hybridize with cavity modes to create plasmon-polariton states. For sufficiently strong coupling, plasmon polaritons…

We have identified a novel phase stability mechanism from the intracavity field-induced self-organization of a fast-moving molecular beam into travelling molecular packets in the bad cavity regime, which is then used to decelerate the…

Atomic Physics · Physics 2014-10-20 Zhihao Lan , Weiping Lu

Light-induced energy confinement in nanoclusters via plasmon excitations influences applications in nanophotonics, photocatalysis, and the design of controlled slow electron sources. The resonant decay of these excitations through the…

Atomic and Molecular Clusters · Physics 2023-06-21 Rasheed Shaik , Hari R. Varma , Mohamed El-Amine Madjet , Fulu Zheng , Thomas Frauenheim , Himadri S. Chakraborty

This paper proposes to adopt advanced monolithic silicon-photonics integrated-circuits manufacturing capabilities to achieve a system-on-chip photonic-electronic linear-algebra accelerator with the features of optical comb-based broadband…

Systems and Control · Electrical Eng. & Systems 2023-11-22 Tzu-Chien Hsueh , Yeshaiahu Fainman , Bill Lin

The question whether the linear absorption spectra of metal clusters can be interpreted as density oscillations (collective ``plasmons'') or can only be understood as transitions between distinct molecular states is still a matter of debate…

Atomic and Molecular Clusters · Physics 2009-11-07 S. Kümmel , K. Andrae , P. -G. Reinhard

We extend Lamb's reduced density matrix laser theory to analyze the inhomogeneous molecular couplings and the mode-correlation in a plasmonic nano-laser consisting of a gold sphere and many dye molecules interacting with a driving optical…

Optics · Physics 2017-04-27 Yuan Zhang , Klaus Mølmer

Finite-difference time-domain method is employed to investigate the optical properties of semiconductor thin films patterned with circular holes. The presence of holes enhances the coupling of the incident plane wave with the thin film and…

Mesoscale and Nanoscale Physics · Physics 2013-12-06 Minhan Lou , Hua Bao , Changying Zhao

An experimental platform operating at the level of individual quanta and providing strong light-matter coupling is a key requirement for quantum information processing. We report on narrowband light storage and retrieval as well as…

Quantum Physics · Physics 2021-01-07 Thorsten Peters , Ta-Pang Wang , Antje Neumann , Lachezar S. Simeonov , Thomas Halfmann

This study proposed a closed loop image aided optimization (CLIAO) method to improve the quality of deposition during the cold spray process. Some recent research shows that the quality of deposition measured by flattening ratio of the…

Computational Engineering, Finance, and Science · Computer Science 2018-10-18 Zhenxing Cheng , Hu Wang , Gui-rong Liu

We propose to realize microwave quantum illumination in weak coupling regime based on multimode optomechanical systems. In our proposal the multimode together with a frequency-mismatch process could reduce mechanical thermal noise.…

Quantum Physics · Physics 2017-01-24 Wen-Juan Yang , Xiang-Bin Wang

The miniaturization of diagnostic devices that exploit optical detection schemes requires the design of light-sources combining small size, high performance for effective excitation of chromophores, and mechanical flexibility for easy…

The collective atomic recoil lasing is studied for an ultra-cold and collisionless atomic gas in a partially coherent pump with a colored noise. Compared to white noise, correlations in colored noise are found to be able to greatly enhance…

Atomic Physics · Physics 2015-05-14 Xiaoji Zhou
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