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Nanoscale light sources are being intensively investigated for their potential to enable low-energy, high-density optical communication and sensing systems. Both nano-light-emitting diodes (nanoLEDs) and nanolasers have been considered,…

Applied Physics · Physics 2020-03-19 Bruno Romeira , Andrea Fiore

Droplet-confined electrodeposition enables a precise deposition of three dimensional, nanoscopic and high purity metal structures. It aspires to fabricate intricate microelectronic devices, metamaterials, plasmonic structures and…

Materials Science · Physics 2024-08-02 Mirco Nydegger , Ralph Spolenak

Origami design principles are scale invariant and enable direct miniaturization of origami structures provided the sheets used for folding have equal thickness to length ratios. Recently, seminal steps have been taken to fabricate…

Atomically engineered artificial lattices are a useful tool for simulating complex quantum phenomena, but have so far been limited to the study of Hamiltonians where electron-electron interactions do not play a role -- but it's precisely…

Mesoscale and Nanoscale Physics · Physics 2022-04-25 Rasa Rejali , Laëtitia Farinacci , David Coffey , Rik Broekhoven , Jeremie Gobeil , Yaroslav M. Blanter , Sander Otte

Milled nanodiamonds containing nitrogen-vacancy (NV) centers provide an excellent platform for sensing applications as they are optically robust, have nanoscale quantum sensitivity, and form colloidal dispersions which enable bottom-up…

Mesoscale and Nanoscale Physics · Physics 2023-11-28 Henry J. Shulevitz , Tzu-Yung Huang , Jun Xu , Steven Neuhaus , Raj N. Patel , Lee C. Bassett , Cherie R. Kagan

Confining electrons or holes in quantum dots formed in the channel of industry-standard fully depleted silicon-on-insulator CMOS structures is a promising approach to scalable qubit architectures. In this article, we present our results on…

In a comprehensive study on several samples we demonstrate for our laboratory-based computed tomography system resolutions down to 150nm. The achieved resolution is validated by imaging com-mon test structures in 2D and Fourier Shell…

Instrumentation and Detectors · Physics 2021-02-15 Dominik Müller , Jonas Graetz , Andreas Balles , Simon Stier , Randolf Hanke , Christian Fella

A major difficulty in applying computational design methods to nanophotonic devices is ensuring that the resulting designs are fabricable. Here, we describe a general inverse design algorithm for nanophotonic devices that directly…

Optics · Physics 2017-03-28 Alexander Y. Piggott , Jan Petykiewicz , Logan Su , Jelena Vučković

Aluminum gallium arsenide has highly desirable properties for integrated parametric optical interactions: large material nonlinearities, maturely established nanoscopic structuring through epitaxial growth and lithography, and a large band…

Optics · Physics 2021-02-03 Marlon Placke , Sven Ramelow

The fabrication of three-dimensional (3D) nanostructures is of great interest to many areas of nanotechnology currently challenged by fundamental limitations of conventional lithography. One of the most promising direct-write methods for 3D…

Mesoscale and Nanoscale Physics · Physics 2020-01-07 L. Skoric , D. Sanz-Hernández , F. Meng , C. Donnelly , S. Merino-Aceituno , A. Fernández-Pacheco

Niobium nitride (NbN) is a useful material for fabricating detectors because of its high critical temperature and relatively high kinetic inductance. In particular, NbN can be used to fabricate nanowire detectors and mm-wave transmission…

Instrumentation and Detectors · Physics 2020-02-03 Calder Sheagren , Peter Barry , Erik Shirokoff , Qing Yang Tang

While conventional optical trapping techniques can trap objects with submicron dimensions, the underlying limits imposed by the diffraction of light generally restrict their use to larger or higher refractive index particles. As the index…

Optics · Physics 2016-06-29 Mark Daly , Viet Giang Truong , Síle Nic Chormaic

Rapid and reproducible assembly of aligned nanostructures on a wafer-scale is a crucial, yet one of the most challenging tasks in the incorporation of nanowires into integrated circuits. We present the synthesis of a periodic nanochannel…

A fundamental requirement for photonic technologies is the ability to control the confinement and propagation of light. Widely utilized platforms include two-dimensional (2D) optical microcavities in which electromagnetic waves are confined…

Reduced dimensionality leads to emergent phenomena in quantum materials and there is a need for accelerated materials discovery of nanoscale quantum materials in reduced dimensions. Thermomechanical nanomolding is a rapid synthesis method…

We present results of a planar process development based on the combination of electron-beam lithography and dry etching for fabricating high-quality superconducting photosensitive structures in the sub-100nm regime. The devices were…

Mesoscale and Nanoscale Physics · Physics 2010-11-23 H. Bartolf , K. Inderbitzin , L. B. Gómez , A. Engel , A. Schilling

Integration of metasurfaces with guided mode sources like waveguides have opened new frontiers for on-chip optical integration. However, the state-of-the-art in the field has targeted applications where long focal distances over thousands…

Optics · Physics 2024-03-05 Hrishikesh Iyer , Yurii Vlasov

Achieving strong light-matter interaction is important for studying and exploiting several physics phenomena. The light-matter interaction strength depends on the optical field intensity in the interaction region, often measured by the…

Optics · Physics 2026-01-21 Rasmus E. Christiansen , Jesper Mørk , Ole Sigmund

Permalloy Ni$_{80}$Fe$_{20}$ is one of the key magnetic materials in the field of magnonics. Its potential would be further unveiled if it could be deposited in three dimensional (3D) architectures of sizes down to the nanometer. Atomic…

Nanoindentation is a powerful tool capable of providing fundamental insights of material elastic and plastic response at the nanoscale. Alloys at nanoscale are particularly interesting as the local heterogeneity and deformation mechanism…