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Related papers: Few-emitter lasing in single ultra-small nanocavit…

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The demonstration of enhanced spontaneous emission of nanoscaled optical emitters near metallic nanoparticles and the recent realization of a nanolaser based on surface plasmon amplification by stimulated emission of radiation (spaser)…

Quantum Physics · Physics 2010-03-12 S. Savasta , R. Saja , A. Ridolfo , O. Di Stefano , P. Denti , F. Borghese

Nanolasers based on emerging dielectric cavities with deep sub-wavelength confinement of light offer a large light-matter coupling rate and a near-unity spontaneous emission factor, $\beta$. These features call for reconsidering the…

Optics · Physics 2023-09-01 Marco Saldutti , Yi Yu , Jesper Mørk

Cavity-free efficient coupling between emitters and guided modes is of great current interest for nonlinear quantum optics as well as efficient and scalable quantum information processing. In this work, we extend these activities to the…

Optics · Physics 2014-03-11 Sanli Faez , Pierre Türschmann , Vahid Sandoghdar

We propose to use sub-wavelength confinement of light associated with the near field of plasmonic systems to create nanoscale optical lattices for ultracold atoms. Our approach combines the unique coherence properties of isolated atoms with…

Atomic Physics · Physics 2014-07-29 M. Gullans , T. Tiecke , D. E. Chang , J. Feist , J. D. Thompson , J. I. Cirac , P. Zoller , M. D. Lukin

Low energy consumption nanolasers are crucial for advancing on-chip integrated optical interconnects and photonic integrated circuits. Monolayer transition metal dichalcogenides (TMDs) have emerged as an energy-efficient alternative to…

Optics · Physics 2025-07-15 Teresa López-Carrasco , Marcos H. D. Guimarães

The nanoscale mode volumes of surface plasmon polaritons have enabled plasmonic lasers and condensates with ultrafast operation. Most plasmonic lasers are based on noble metals, rendering the optical mode structure inert to external fields.…

The efficiency and operating range of a photonic crystal laser is improved by passivating the InGaAs quantum well (QW) gain medium and GaAs membrane using an (NH4)S treatment. The passivated laser shows a four-fold reduction in nonradiative…

Quantum Physics · Physics 2009-11-13 Dirk Englund , Hatice Altug , Jelena Vuckovic

Deeply subwavelength lasers (or nanolasers) are highly demanded for compact on-chip bioimaging and sensing at the nanoscale. One of the main obstacles for the development of single-particle nanolasers with all three dimensions shorter than…

We demonstrate a photonic crystal nanocavity laser essentially driven by a self-assembled InAs/GaAs single quantum dot gain. The investigated nanocavities contain only 0.4 quantum dots on an average; an ultra-low density quantum dot sample…

Other Condensed Matter · Physics 2015-05-13 Masahiro Nomura , Naoto Kumagai , Satoshi Iwamoto , Yasutomo Ota , Yasuhiko Arakawa

Plasmonic nanocavities are known for their extreme field enhancement and sub-wavelength light confinement in gaps of just a few nanometers. Pairing this with the ability to host quantum emitters, they form highly promising platforms to…

Quantum Physics · Physics 2024-02-26 Kalun Bedingfield , Benjamin Yuen , Angela Demetriadou

An unambiguous proof of lasing in an active nanocavity with ultrahigh spontaneous emission coupling factor (beta = 0.65) is presented. To distinguish the subtle lasing threshold features from possible material-related phenomena, such as…

Accelerating particles to relativistic energies over very short distances using lasers has been a long standing goal in physics. Among the various schemes proposed for electrons, vacuum laser acceleration has attracted considerable interest…

Plasma Physics · Physics 2016-05-04 M. Thévenet , A. Leblanc , S. Kahaly , H. Vincenti , A. Vernier , F. Quéré , J. Faure

Metal nanoantennas enable the manipulation of light emission and detection at the single photon level by confining light into very small volumes. Emitters coupled to these plasmonic structures are thus ideal candidates for usage in quantum…

Optics · Physics 2020-08-11 Nathan Kimmitt , Esther A. Wertz

The interaction of laser cooled and trapped atoms with resonant light is limited by the linewidth of the excited state of the atom. Another precise optical oscillator is an optical Fabry-P\'erot cavity. The combining of cold atoms with…

Optics · Physics 2017-09-19 Rahul Sawant , S. A. Rangwala

A numerically exact solution to the many emitter -- cavity problem as an open many body system is presented. The solution gives access to the full, nonperturbative density matrix and thus the full quantum statistics and quantum…

Mesoscale and Nanoscale Physics · Physics 2015-01-15 Marten Richter , Michael Gegg , T. Sverre Theuerholz , Andreas Knorr

The pursuit of compact lasers with low-thresholds has imposed strict requirements on tight light confinements with minimized radiation losses. Bound states in the continuum (BICs) have been recently demonstrated as an effective mechanism to…

Optics · Physics 2022-08-19 Yuhao Ren , Peishen Li , Zhuojun Liu , Zihao Chen , You-Ling Chen , Chao Peng , Jin Liu

The mechanism of lasing in single cadmium sulfide (CdS) nanowire cavities was elucidated by temperature-dependent and time-resolved photoluminescence (PL) measurements. Temperature-dependent PL studies reveal rich spectral features and show…

Materials Science · Physics 2015-06-24 Ritesh Agarwal , Carl J. Barrelet , Charles M. Lieber

The last two decades have witnessed tremendous advancements in the area of nanophotonics and plasmonics. Undoubtedly, the introduction of metallic structures has opened a path towards light confinement and manipulation at the subwavelength…

Controlling light-matter interactions in solid-state systems has motivated intense research to produce bosonic quasi-particles known as exciton-polaritons, which requires strong coupling between excitons and cavity photons. Ultra-low…

Tailoring the emission of plasmonic nanowire-based lasers represents one of the major challenges in the field of nanoplasmonics, given the envisaged integration of such devices into on-chip all-optical circuits. In this study, we proposed a…