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A new class of hybrid systems that couple optical, electrical and mechanical degrees of freedom in nanoscale devices is under development in laboratories worldwide. These nano-opto-electro-mechanical systems (NOEMS) offer unprecedented…

Optics · Physics 2018-02-16 Leonardo Midolo , Albert Schliesser , Andrea Fiore

A pristine suspended carbon nanotube is a near ideal environment to host long-lived quantum states. For this reason, they have been used as the core element of qubits and to explore numerous condensed matter physics phenomena. One of the…

Applied Physics · Physics 2024-01-09 Tim Althuon , Tino Cubaynes , Aljoscha Auer , Christoph Sürgers , Wolfgang Wernsdorfer

Optofluidics is dedicated to achieving integrated control of particle and fluid motion, particularly on the micrometer scale, by utilizing light to direct fluid flow and particle motion. The field has seen significant growth recently,…

We theoretically demonstrate that atomically-precise ``nanoscale processing" can be reproducibly performed by adaptive laser pulses. We present the new approach on the controlled welding of crossed carbon nanotubes, giving various…

Materials Science · Physics 2009-11-07 Petr Král

Optical nanofibres are increasingly being used in cold atom experiments due to their versatility and the clear advantages they have when developing all-fibred systems for quantum technologies. They provide researchers with a method of…

Atomic Physics · Physics 2016-04-20 Thomas Nieddu , Vandna Gokhroo , Sile Nic Chormaic

Propagation of the alternating electromagnetic field in a system of zigzag carbon nanotubes in the case of low temperatures and applied external electric fields are considered. The electronic system of the carbon nanotubes is investigated…

Mesoscale and Nanoscale Physics · Physics 2009-05-27 M. B. Belonenko , N. G. Lebedev , E. N. Nelidina , O. J. Tuzalina

We study the effect of doping in the suppression of tunneling observed in multi-walled nanotubes, incorporating as well the influence of the finite dimensions of the system. A scaling approach allows us to encompass the different values of…

Strongly Correlated Electrons · Physics 2009-11-10 S. Bellucci , J. Gonzalez , P. Onorato

Carefully designed nanostructures can inspire new type of optomechanical interactions and allow surpassing limitations set by classical diffractive optical elements. Apart from strong near-field localization, nanostructured environment…

Performance improvements are expected from integration of photonic devices into information processing systems, and in particular, all-optical memories provide a key functionality. Scaling down the size of memory elements is desirable for…

Mesoscale and Nanoscale Physics · Physics 2018-08-24 T. Uda , A. Ishii , Y. K. Kato

We demonstrate control over optical coupling between air-suspended carbon nanotubes and air-mode nanobeam cavities by spectral tuning. Taking advantage of the large dielectric screening effects caused by adsorbed molecules, laser heating is…

Mesoscale and Nanoscale Physics · Physics 2018-08-24 H. Machiya , T. Uda , A. Ishii , Y. K. Kato

Atoms are ideal quantum sensors and quantum light emitters. Interfacing atoms with nanophotonic devices promises novel nanoscale sensing and quantum optical functionalities. But precise optical control of atomic states in these devices is…

Optical high-finesse cavities are a well-known mean to enhance light-matter interactions. Despite large progress in the realization of strongly coupled light-matter systems, the controlled positioning of single solid emitters in cavity…

Tapered optical fibers with a nanofiber waist are versatile tools for interfacing light and matter. In this context, laser-cooled atoms trapped in the evanescent field surrounding the optical nanofiber are of particular interest: They…

Quantum Physics · Physics 2015-04-14 C. Sayrin , C. Clausen , B. Albrecht , P. Schneeweiss , A. Rauschenbeutel

We propose a method for slowing down light pulses by using composites doped with metal nanoparticles. The underlying mechanism is related to the saturable absorption near the plasmon resonance in a pump-probe regime, leading to strong…

Optics · Physics 2015-06-11 Kwang-Hyon Kim , Anton Husakou , Joachim Herrmann

Carbon nanotubes with their outstanding electrical and mechanical properties are suggested as interconnect material of the future and as switching devices, which could outperform silicon devices. In this paper we will introduce nanotubes,…

Materials Science · Physics 2007-05-23 F. Kreupl , G. S. Duesberg , A. P. Graham , M. Liebau , E. Unger , R. Seidel , W. Pamler , W. Hoenlein

We experimentally demonstrate a power limiter based on single-walled carbon nanotubes dispersed in a polymer matrix. This simple fiber-optic device permanently increases its attenuation when subjected to 50-mW or higher cw illumination at…

We analyze optical absorption by atomically doped carbon nanotubes with a special focus on the frequency range close to the atomic transition frequency. We derive the optical absorbtion line-shape function and, having analyzed particular…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 I. V. Bondarev , B. Vlahovic

Optimizing the shape of nanostructures and nano antennas for specific optical properties has evolved to be a very fruitful activity. With modern fabrication tools a large variety of possibilities is available for shaping both nanoparticles…

Optics · Physics 2015-01-05 Euclides Almeida , Yehiam Prior

Electronic many-body correlation effects in one-dimensional (1D) systems such as carbon nanotubes have been predicted to modify strongly the nature of photoexcited states. Here we directly probe this effect using broadband elastic light…

An efficient and compact coupler - a device that matches a micro-waveguide and a nano-waveguide - is an essential component for practical applications of nanophotonic systems. The number of coupling approaches has been rapidly increasing in…

Optics · Physics 2012-10-08 Andrei Andryieuski , Andrei V. Lavrinenko