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Optical trapping has proven to be a valuable experimental technique for precisely controlling small dielectric objects. However, due to their very nature, conventional optical traps are diffraction limited and require high intensities to…

Through its capability for 3D mapping of Li at the nanoscale, atom probe tomography (APT) is poised to play a key role in understanding the microstructural degradation of lithium-ion batteries (LIB) during successive charge and discharge…

Materials Science · Physics 2023-09-15 Mahander P Singh , Eric V Woods , Se Ho Kim , Chanwon Jung , Leonardo S. Aota , Baptiste Gault

High-Q nanophotonic resonators are crucial for many applications in classical and quantum optical processing, communication, sensing, and more. We achieve ultra-high quality factors by preparing a highly transparent and strongly dispersive…

Polymers have appealing optical, biochemical, and mechanical qualities, including broadband transparency, ease of functionalization, and biocompatibility. However, their low refractive indices have precluded wavelength-scale optical…

Optics · Physics 2013-07-23 Xuetao Gan , Hannah Clevenson , Cheng-Chia Tsai , Luozhou Li , Dirk Englund

We describe the design, fabrication, and characterization of a one-dimensional silicon photonic crystal cavity in which a central slot is used to enhance the overlap between highly localized optical and mechanical modes. The optical mode…

Optics · Physics 2016-06-29 Katharina Schneider , Paul Seidler

We demonstrate the fabrication of photonic crystal nanobeam cavities with rectangular cross section into bulk diamond. In simulation, these cavities have an unloaded quality factor (Q) of over 1 million. Measured cavity resonances show…

Applied Physics · Physics 2017-12-01 Sara Mouradian , Noel H. Wan , Tim Schröder , Dirk Englund

We demonstrate the coupling of PbS quantum dot emission to photonic crystal cavities at room temperature. The cavities are defined in 33% Al, AlGaAs membranes on top of oxidized AlAs. Quantum dots were dissolved in Poly-methyl-methacrylate…

Optics · Physics 2009-11-11 Ilya Fushman , Dirk Englund , Jelena Vuckovic

Observation of quantum phenomena in cryogenic, optically cooled mechanical resonators has been recently achieved by a few experiments based on cavity optomechanics. A well-established experimental platform is based on a thin film…

We predict plasmonic mediated nucleation of pancake shaped resonant nano-cavities in metallic layers that are penetrable to laser fields. The underlying physics is that the cavity provides a narrow plasmonic resonance that maximizes its…

Mesoscale and Nanoscale Physics · Physics 2015-06-05 V. G. Karpov , M. Nardone , A. V. Subashiev

Molecular cavity optomechanical systems, featuring ultrahigh vibrational frequencies and strong light-matter interactions, hold significant promise for advancing applications in quantum science and technology. Specifically, by introducing…

Optics · Physics 2025-12-25 Jian Tang , Baijun Li , Bin Yin , Tian-Xiang Lu , Ran Huang , Franco Nori , Hui Jing

Highly-doped holmium fibers have been prepared using modified chemical vapor deposition in combination with nanoparticle-doping method. Within a series of various Al2O3 and Ho3+ concentrations, relations between fibers composition and their…

We report quantum efficiency (QE) enhancements in accelerator technology relevant antimonide photocathodes (K2CsSb) by interfacing them with atomically thin two-dimensional (2D) crystal layers. The enhancement occurs in a reflection mode,…

Strong saturated absorption at nanowatt power levels has been demonstrated using metastable xenon in a high-finesse optical cavity. The use of metastable xenon allows a high quality factor of Q=2*10^8 to be achieved at relatively high…

Quantum Physics · Physics 2014-09-22 G. T. Hickman , T. B. Pittman , J. D. Franson

We report on high efficency coupling of individual air-suspended carbon nanotubes to silicon photonic crystal nanobeam cavities. Photoluminescence images of dielectric- and air-mode cavities reflect their distinctly different mode profiles…

Mesoscale and Nanoscale Physics · Physics 2014-11-27 R. Miura , S. Imamura , R. Ohta , A. Ishii , X. Liu , T. Shimada , S. Iwamoto , Y. Arakawa , Y. K. Kato

The deposition of dielectric materials on graphene is one of the bottlenecks for unlocking the potential of graphene in electronic applications. In this paper we demonstrate the plasma enhanced atomic layer deposition of 10 nm thin high…

High-quality factor plasmonic devices are crucial components in the fields of nanophotonics, quantum computing and sensing. The majority of these devices are required to be fabricated on non-lattice matched or transparent amorphous…

Integrating alkali atomic vapors with nanophotonic devices offers a scalable route to quantum technologies that leverage strong atom-photon interactions. While there have been many approaches to such integration, the general reliance on…

We report on the fabrication of two-dimensional periodic photonic nanostructures by nanoimprint lithography and dry etching, and their integration into a 1-{\mu}m-thin mono-crystalline silicon solar cell. Thanks to the periodic…

Mesoscale and Nanoscale Physics · Physics 2012-12-17 Christos Trompoukis , Ounsi El Daif , Valérie Depauw , Ivan Gordon , Jef Poortmans

We present results on electrically driven nanobeam photonic crystal cavities formed out of a lateral p-i-n junction in gallium arsenide. Despite their small conducting dimensions, nanobeams have robust electrical properties with high…

Topological photonics shows considerable promise in revolutionizing photonic devices through the use of topological phases, leading to innovations like topological lasers that enhance light control. One of recent breakthroughs is reducing…

Optics · Physics 2024-05-16 Guangtai Lu , Yasutomo Ota , Satoshi Iwamoto