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The Fr\'echet distance is a popular distance measure for curves which naturally lends itself to fundamental computational tasks, such as clustering, nearest-neighbor searching, and spherical range searching in the corresponding metric…

Computational Geometry · Computer Science 2018-08-07 Anne Driemel , Amer Krivošija

Length changes due to thermo-mechanical noise originating from, for example, Brownian motion are a key limiting factor of present day state-of-the-art laser frequency stabilization using Fabry-P\'erot cavities. We present a laser-frequency…

The achievable instrument sensitivity is a critical parameter for the continued development of THz applications. Techniques such as Cavity-Enhanced Techniques and Cavity Ring Down Spectroscopy have not yet been employed at THz frequency due…

Direct observations of gravitational waves at frequencies below 10 Hz will play crucial roles for fully exploiting the potential of gravitational wave astronomy. One approach to pursue this direction is the utilization of laser…

Instrumentation and Methods for Astrophysics · Physics 2024-04-03 Kiwamu Izumi , Masa-Katsu Fujimoto

Hyperuniform disordered photonic materials have recently been shown to display large, complete photonic band gaps and isotropic optical properties, and are emerging as strong candidates for a plethora of optoelectronic applications, making…

In this chapter we report on the measurements of the overlap distribution of the replica symmetry breaking solution in complex disordered systems. After a general introduction to the problem of the experimental validation of the Parisi…

Disordered Systems and Neural Networks · Physics 2022-09-14 Claudio Conti , Neda Ghofraniha , Luca Leuzzi , Giancarlo Ruocco

We present the fabrication of exceptionally small-radius concave microoptics on fused silica substrates using CO2 laser ablation and subsequent reactive ion etching. The protocol yields on-axis near-Gaussian depressions with radius of…

Mesoscale and Nanoscale Physics · Physics 2019-10-23 Daniel Najer , Martina Renggli , Daniel Riedel , Sebastian Starosielec , Richard J. Warburton

A novel, 3-dimensional, convex, multi-pass optical cavity with partially-chaotic ray dynamics is presented. The light is localized near stable, long-path length trajectories supported by the cavity, and beam diffraction is suppressed by the…

Optics · Physics 2007-05-23 Jonathan A. Fan , Evgenii E. Narimanov , Claire Gmachl

Reducing optical losses is crucial for reducing quantum noise in gravitational-wave detectors. Losses are the main source of degradation of the squeezed vacuum. Frequency dependent squeezing obtained via a filter cavity is currently used to…

Instrumentation and Detectors · Physics 2024-12-04 Y. Zhao , M. Vardaro , E. Capocasa , J. Ding , Y. Guo , M. Lequime , M. Barsuglia

Radio frequency (RF) cavities are commonly used to accelerate charged particle beams. The shape of the RF cavity determines the resonant electromagnetic fields and frequencies, which need to satisfy a variety of requirements for a stable…

Accelerator Physics · Physics 2019-03-18 Marija Kranjcevic , Andreas Adelmann , Peter Arbenz , Alessandro Citterio , Lukas Stingelin

The coupling of mechanical oscillators with light has seen a recent surge of interest, as recent reviews report.[1, 2] This coupling is enhanced when confining light in an optical cavity where the mechanical oscillator is integrated as…

We describe the design and operation of a high-stability Fabry-Perot cavity, for laser stabilization in cavity quantum-electrodynamics experiments. Our design is based on an inexpensive and readily available uniaxial carbon-fiber reinforced…

We report on the first demonstration of a fully suspended 10m Fabry-Perot cavity incorporating a waveguide grating as the coupling mirror. The cavity was kept on resonance by reading out the length fluctuations via the Pound-Drever-Hall…

Optical transport represents a natural route towards fast communications, and it is currently used in large scale data transfer. The progressive miniaturization of devices for information processing calls for the microscopic tailoring of…

Quantum Physics · Physics 2015-09-09 F. Fratini , E. Mascarenhas , L. Safari , J-Ph. Poizat , D. Valente , A. Auffèves , D. Gerace , M. F. Santos

A new set of vector solutions to Maxwell's equations based on solutions to the wave equation in spheroidal coordinates allows laser beams to be described beyond the paraxial approximation. Using these solutions allows us to calculate the…

Optics · Physics 2015-03-13 Martin Zeppenfeld , Pepijn W. H. Pinkse

A new dielectric Fabry-Perot cavity was designed for a resonant enhancing optical absorption by a thin absorber layer embedded into the cavity. In this cavity, the front mirror is a subwavelength grating with $\sim 100$% retroreflection.…

Optics · Physics 2013-07-09 Moshe Zohar , Mark Auslender , Lorenzo Faraone , Shlomo Hava

A microfabricated Fabry-Perot optical resonator has been used for atom detection and photon production with less than 1 atom on average in the cavity mode. Our cavity design combines the intrinsic scalability of microfabrication processes…

Quantum Physics · Physics 2009-11-13 M. Trupke , J. Goldwin , B. Darquié , G. Dutier , S. Eriksson , J. Ashmore , E. A. Hinds

It is shown that an aberrated wavefront incident upon a Fabry-Perot optical cavity excites higher order spatial modes in the cavity, and that the spectral width and distribution of these modes is indicative of the type and magnitude of the…

Optics · Physics 2019-06-26 Merlin L. Mah , Joseph J. Talghader

Resonators composed of two mirrors, such as Fabry-Perot cavities, provide a simple but effective approach to achieve wave transmission with high finesse. Further increase of the quality factor requires reflectors with higher conductivity or…

Applied Physics · Physics 2020-03-24 F. S. Cuesta , V. S. Asadchy , M. S. Mirmoosa , S. A. Tretyakov

We describe a realistic scheme for coupling atoms or other quantum emitters with an array of coupled optical cavities. We consider open Fabry-Perot microcavities coupled to the emitters. Our central innovation is to connect the…

Quantum Physics · Physics 2011-12-06 G. Lepert , M. Trupke , M. J. Hartmann , M. B. Plenio , E. A. Hinds