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We propose a novel way to trap and manipulate nano-objects above a dielectric substrate using an apertureless near-field probe. A combination of evanescent illumination and light scattering at the probe apex is used to shape the optical…

Optics · Physics 2009-11-10 Patrick C. Chaumet , Adel Rahmani , Manuel Nieto-Vesperinas

We describe the design, fabrication and testing of a surface-electrode ion trap, which incorporates microwave waveguides, resonators and coupling elements for the manipulation of trapped ion qubits using near-field microwaves. The trap is…

We have conceived, built, and operated a cryogenic Penning trap with an electrically conducting yet optically transparent solid electrode. The trap, dedicated to spectroscopy and imaging of confined particles under large solid angles is of…

Atomic Physics · Physics 2018-02-12 M. Wiesel , G. Birkl , M. S. Ebrahimi , A. Martin , W. Quint , N. Stallkamp , M. Vogel

Additive microfabrication processes based on localized electroplating enable the one-step deposition of micro-scale metal structures with outstanding performance, e.g. high electrical conductivity and mechanical strength. They are therefore…

Applied Physics · Physics 2024-08-02 Mirco Nydegger , Zhu-Jun Wang , Marc Willinger , Ralph Spolenak , Alain Reiser

Properties of inorganic-organic interfaces, such as their interface dipole, strongly depend on the structural arrangements of the organic molecules. A prime example is tetracyanoethylene (TCNE) on Cu(111), which shows two different phases…

Computational Physics · Physics 2021-10-19 Anna Werkovits , Andreas Jeindl , Lukas Hörmann , Johannes Cartus , Oliver T. Hofmann

Magnetically-levitated superconducting microparticles have been recently proposed as a promising platform for performing quantum experiments with particles in the picogram regime. Here, we demonstrate the superconducting technology to…

A new type of microfluidic system for biological cell manipulation, a CMOS/microfluidic hybrid, is demonstrated. The hybrid system starts with a custom-designed CMOS (complementary metal-oxide semiconductor) chip fabricated in a…

Quantitative Methods · Quantitative Biology 2007-05-23 Hakho Lee , Yong Liu , Donhee Ham , Robert M. Westervelt

We investigate the microscopic contact of a cell/semiconductor hybrid. The semiconductor is nanostructured with the aim of single channel recording of ion channels in cell membranes. This approach will overcome many limitations of the…

Soft Condensed Matter · Physics 2007-05-23 N. Fertig , A. Tilke , R. H. Blick , J. P. Kotthaus , J. C. Behrends , G. ten Bruggencate

Study of the dephasing in electronic systems is not only important for probing the nature of their ground states, but also crucial to harnessing the quantum coherence for information processing. In contrast to well-studied conventional…

Mesoscale and Nanoscale Physics · Physics 2017-07-14 Jian Liao , Yunbo Ou , Haiwen Liu , Ke He , Xucun Ma , Qi-Kun Xue , Yongqing Li

Chiplet-based systems are rapidly gaining traction in the market. Two packaging options for such systems are the established organic substrates and the emerging glass substrates. These substrates are used to implement the inter-chiplet…

Hardware Architecture · Computer Science 2025-04-29 Patrick Iff , Maciej Besta , Torsten Hoefler

The advent of microfabricated ion traps for the quantum information community has allowed research groups to build traps that incorporate an unprecedented number of trapping zones. However, as device complexity has grown, the number of…

Transition metal dichalcogenide heterostructures can host interlayer excitons (IXs), which consist of electrons and holes spatially separated in different layers. IXs possess permanent dipoles and have proven to offer a wealth of novel…

Materials Science · Physics 2021-11-24 Darien J. Morrow , Xuedan Ma

A simple and robust electrode insulation technique that can withstand a voltage as high as $\mathrm{1000~V}$, which is equivalent to an electric field strength of $\sim 1MV/m$ across a $\mathrm{10~\mu m}$ channel filled with an electrolyte…

We demonstrate trapping in a surface-electrode ion trap fabricated in a 90-nm CMOS (complementary metal-oxide-semiconductor) foundry process utilizing the top metal layer of the process for the trap electrodes. The process includes doped…

Quantum Physics · Physics 2014-09-17 K. K. Mehta , A. M. Eltony , C. D. Bruzewicz , I. L. Chuang , R. J. Ram , J. M. Sage , J. Chiaverini

Typically, amorphous organic materials contain high density of traps. Traps hinder charge transport and, hence, affect various working parameters of organic electronic devices. In this paper we suggest a simple but reliable method for the…

Materials Science · Physics 2013-03-21 S. V. Novikov , A. R. Tameev , A. V. Vannikov , J. -M. Nunzi

Microfabricated surface-electrode traps are a scalable platform for trapped-ion quantum processors. Recent advances in fabrication techniques have enabled the design of increasingly complex multi-layer structures. Yet the control electrodes…

Quantum Physics · Physics 2026-03-03 Florian Ungerechts , Brigitte Kaune , Christian Ospelkaus

Controlling the transport, trapping, and filtering of nanoparticles is important for many applications. By virtue of their weak response to gravity and their thermal motion, various physical mechanisms can be exploited for such operations…

Materials Science · Physics 2016-11-03 Rasoul Alaee , Muamer Kadic , Carsten Rockstuhl , Ali Passian

An integrated optical dipole trap uses two-color (red and blue-detuned) traveling evanescent wave fields for trapping cold neutral atoms. To achieve longitudinal confinement, we propose using an integrated optical waveguide coupler, which…

Atomic Physics · Physics 2013-09-20 J. Lee , D. H. Park , S. Mittal , M. Dagenais , S. L. Rolston

Transport of microscopic objects across biological membranes usually involves membrane deformation to enclose the object followed by detachment of the engulfed particle. However, in artificial membranes, this last topological remodelling…

Soft Condensed Matter · Physics 2025-03-25 Florent Fessler , Pierre Muller , Antonio Stocco

Conventional electronics is founded on a paradigm where shaping perfect electrical elements is done at the fabrication plant, so as to make devices and systems identical, "eternally immutable". In nature, morphogenic evolutions are observed…