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Related papers: Cavity enhanced emission from a silicon T center

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Fiber-coupled microdisks are a promising platform for enhancing the spontaneous emission from color centers in diamond. The measured cavity-enhanced emission from the microdisk is governed by the effective volume ($V$) of each cavity mode,…

The efficiencies of photonic devices are primarily governed by radiative quantum efficiency, which is a property given by the light emitting material. Quantitative characterization for carbon nanotubes, however, has been difficult despite…

Mesoscale and Nanoscale Physics · Physics 2022-04-19 H. Machiya , D. Yamashita , A. Ishii , Y. K. Kato

Dielectric nanostructures have demonstrated optical antenna effects due to Mie resonances. Preliminary investigations on dielectric nanoantennas have been carried out for a trifecta of enhancements, i.e., simultaneous enhancements in…

Silicon-vacancy (SiV$^-$) centers in diamond are promising candidates as sources of single-photons in quantum networks due to their minimal phonon coupling and narrow optical linewidths. Correlating SiV$^-$ emission with the defect's…

Efficient single-photon emitters are desirable for quantum technologies including quantum networks and photonic quantum computers. We investigate the T centre, a telecommunications-band emitter in silicon, and find a strong isotope…

We report the observation of a Purcell enhancement in the electroluminescence decay rate of a single quantum dot, embedded in a microcavity light-emitting-diode structure. Lateral confinement of the optical mode was achieved using an…

A surrounding electromagnetic environment can engineer spontaneous emissions from quantum emitters through the Purcell effect. For instance, a plasmonic antenna can efficiently confine an electromagnetic field and enhance the fluorescent…

Optics · Physics 2021-12-22 Jingyi Zhao , Weidong Zhang , Te Wen , Lulu Ye , Hai Lin , Jinglin Tang , Qihuang Gong , Guowei Lu

High emission rate, high collection efficiency, and immunity to the defects are the requirements of implementing on-chip single photon sources. Here, we theoretically demonstrate that both cascade enhancement and high collection efficiency…

Optics · Physics 2024-08-22 Yali Jia , Zhaohua Tian , Qi Liu , Zihan Mo , Qihuang Gong , Ying Gu

We fabricated polygonal nanoholes in the top p-GaN layer of the InGaN/GaN light-emitting diode, followed by the deposition of Au/Al metal thin film within the nanoholes to create metal microcavities, thereby constructing the surface plasmon…

Silicon is now firmly established as a high performance photonic material. Its only weakness is the lack of a native electrically driven light emitter that operates CW at room temperature, exhibits a narrow linewidth in the technologically…

We report on the alteration of photon emission properties of a single trapped ion coupled to a high finesse optical fiber cavity. We show that the vacuum field of the cavity can simultaneously affect the emissions in both the infrared (IR)…

Quantum Physics · Physics 2017-08-16 Hiroki Takahashi , Ezra Kassa , Costas Christoforou , Matthias Keller

We demonstrate that non-chiral nanoparticles can produce chiral light when point emitters are coupled to their surface plasmon modes (SPMs) under certain conditions. Chiral emission arises from asymmetrical plasmon mode propagation from the…

Quantum Physics · Physics 2025-10-22 Yining Xuan , Daito Miyazaki , Yuki Ishikawa , Mark Sadgrove

We propose a procedure for the significant enhancement of the strong coupling rate between photons in an optical cavity and a single quantum emitter, such as an atom, quantum dot or trapped ion. We show that specially designed,…

Optics · Physics 2021-10-13 Denis V. Karpov , Peter Horak

The local density of optical states governs an emitters lifetime and quantum yield through the Purcell effect. It can be modified by a surface plasmon electromagnetic field, but such a field has a spatial extension limited to a few hundreds…

Mesoscale and Nanoscale Physics · Physics 2019-06-04 H. Lourenço-Martins , M. Kociak , S. Meuret , F. Treussart , Yih Hong Lee , Xing Yi Ling , H. C. Chang , L. H. G. Tizei

An efficient atom-photon-interface is a key requirement for the integration of solid-state emitters such as color centers in diamond into quantum technology applications. Just like other solid state emitters, however, their emission into…

Quantum Physics · Physics 2021-09-24 Philipp Fuchs , Thomas Jung , Michael Kieschnick , Jan Meijer , Christoph Becher

Photon loss is one of the key challenges to overcome in complex photonic quantum applications. Photon collection efficiencies directly impact the amount of resources required for measurement-based quantum computation and communication…

Quantum Physics · Physics 2024-05-15 Julian M. Bopp , Matthias Plock , Tim Turan , Gregor Pieplow , Sven Burger , Tim Schröder

Semiconductor quantum dots have recently emerged as a leading platform to efficiently generate highly indistinguishable photons, and this work addresses the timely question of how good these solid-state sources can ultimately be. We…

Quantum Physics · Physics 2019-07-18 Jake Iles-Smith , Dara P. S. McCutcheon , Ahsan Nazir , Jesper Mørk

A design for an ultra-high Q photonic crystal nanocavity engineered to interact with nitrogen-vacancy (NV) centers located near the surface of a single crystal diamond sample is presented. The structure is based upon a nanowire photonic…

Quantum Physics · Physics 2009-05-23 Paul E. Barclay , Kai-Mei Fu , Charles Santori , Raymond G. Beausoleil

Nanoscale semiconductor lasers have been developed recently using either metal, metallo-dielectric or photonic crystal nanocavities. While the technology of nanolasers is steadily being deployed, their expected performance for on-chip…

Optics · Physics 2018-07-04 Bruno Romeira , Andrea Fiore

We demonstrate laser oscillation in a hexagonal-lattice photonic crystal nanocavity using an InGaAs quantum dot gain material by optical pumping at 5 K. The cavity comprises a defect created by shifting several air holes in a…

Other Condensed Matter · Physics 2015-05-19 Masahiro Nomura , Yasutomo Ota , Naoto Kumagai , Satoshi Iwamoto , Yasuhiko Arakawa