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Chipscale micro- and nano-optomechanical systems, hinging on the intangible radiation-pressure force, have shown their unique strength in sensing, signal transduction, and exploration of quantum physics with mechanical resonators.…

Optics · Physics 2022-06-16 Shengyan Liu , Hao Tong , Kejie Fang

High-speed optical wireless communication can address the exponential growth in data traffic. Adaptive beamforming customized for the target location is crucial, but existing solutions such as liquidcrystal spatial light modulators and…

Networking and Internet Architecture · Computer Science 2023-04-27 Chao Li , Yiwen Zhang , Xinda Yan , Yuzhe Wang , Xuebing Zhang , Jian Cui , Lei Zhu , Juhao Li , Zilun Li , Shaohua Yu , Zizheng Cao , A. M. J. Koonen , Chia Wei Hsu

Practical and useful quantum information processing (QIP) requires significant improvements with respect to current systems, both in error rates of basic operations and in scale. Individual trapped-ion qubits' fundamental qualities are…

We introduce a formalism that describes the interaction of light with bifacial optical nanomaterials. They are artificial noncentrosymmetric materials in which counter-propagating waves behave differently. We derive electromagnetic material…

Optics · Physics 2013-11-25 P. Grahn , A. Shevchenko , M. Kaivola

The first demonstration of narrowband spectral filtering of multimode light on a 3D integrated photonic chip using photonic lanterns and waveguide Bragg gratings is reported. The photonic lanterns with multi-notch waveguide Bragg gratings…

Instrumentation and Methods for Astrophysics · Physics 2016-07-12 Izabela Spaleniak , Simon Gross , Nemanja Jovanovic , Robert J. Williams , Jon S. Lawrence , Michael J. Ireland , Michael J. Withford

We investigate and experimentally demonstrate the elastic wave filtering properties of graded undulated lattices. Square reticulates composed of curved beams are characterized by graded mechanical properties which result from the spatial…

Applied Physics · Physics 2018-01-17 Giuseppe Trainiti , Massimo Ruzzene

Possibility of beam combining and clean-up using Orientational Stimulated Scattering in a Nematic Liquid Crystal is considered. We numerically study the dynamics of the process and find that back-conversion process tends to limit the…

Soft Condensed Matter · Physics 2009-11-11 Hakob Sarkissian , Chang Ching Tsai , Boris Zeldovich , Nelson Tabirian

Starlight corrupted by atmospheric turbulence cannot couple efficiently into astronomical instruments based on integrated optics as they require light of high spatial coherence to couple into their single-mode waveguides. Low-order adaptive…

Instrumentation and Methods for Astrophysics · Physics 2021-03-26 Momen Diab , Aline N. Dinkelaker , John Davenport , Kalaga Madhav , Martin M. Roth

While tunable filters are a recent development in night time astronomy, they have long been used in other physical sciences, e.g. solar physics, remote sensing and underwater communications. With their ability to tune precisely to a given…

Astrophysics · Physics 2007-05-23 J. Bland-Hawthorn

Integrated Kerr microcombs are emerging as a powerful tool as sources of multiple wavelength channels for photonic RF and microwave signal processing mainly in the context of transversal filters. They offer a compact device footprint, very…

Applied Physics · Physics 2020-03-10 Mengxi Tan , Xingyuan Xu , Jiayang Wu , Roberto Morandotti , Arnan Mitchell , David J. Moss

We demonstrate an integrated photonic circuit based on feed forward photonic meshes that can be programmed and reconfigured to perform arbitrary spectral filter functions. We investigate a subset of the available filter functions,…

Non-invasive optical manipulation of particles has emerged as a powerful and versatile tool for biological study and nanotechnology. In particular, trapping and rotation of cells, cell nuclei and sub-micron particles enables unique…

Optical polarizers are essential components for the selection and manipulation of light polarization states in optical systems. Over the past decade, the rapid advancement of photonic technologies and devices has led to the development of a…

Optics · Physics 2024-07-10 David J. Moss

Many adaptive optics systems operate by measuring the distortion of the wavefront in one wavelength range and performing the scientific observations in a second, different wavelength range. One common technique is to measure wavefront…

Astrophysics · Physics 2009-11-07 Henry G. Roe

We propose to create and detect opto-mechanical entanglement by storing one component of an entangled state of light in a mechanical resonator and then retrieving it. Using micro-macro entanglement of light as recently demonstrated…

Quantum Physics · Physics 2015-06-18 R. Ghobadi , S. Kumar , B. Pepper , D. Bouwmeester , A. I. Lvovsky , C. Simon

A solid-state active beamformer based on the annular-ring diffraction pattern is proposed for an integrated photonic platform. Such a circularly symmetric annular-ring aperture achieves radiating element limited FOV. Furthermore, it is…

Glasses have numerous applications due to their exceptional transparency, however, poor fracture and impact resistance limit their applications as an engineering material. One relatively recent approach to improve the mechanical properties…

Applied Physics · Physics 2020-04-02 Ali Amini , Adele Khavari , Clayton Molter , Allen J. Ehrlicher

We present graphic results with high-levels of abstraction to desribe the basic principles and rules of thumb for acoustic or phononic band-gap engineering. We use these rules for developing an improved machien mount for damping acoustic…

Materials Science · Physics 2007-08-28 E. A. Rietman , J. M. Glynn

This article presents a two-stage approach for the processing of frequency-stacked mobile subbands. The frequency stacking is performed in the analog domain to enable the use of a wideband analog-to-digital converter (ADC), instead of…

Signal Processing · Electrical Eng. & Systems 2024-01-08 Adem Coskun , Sevket Cetinsel , Izzet Kale , Robert Hughes , Piero Angeletti , Christoph Ernst

Atomically thin transition metal dichalcogenides are highly promising for integrated optoelectronic and photonic systems due to their exciton-driven linear and nonlinear interaction with light. Integrating them into optical fibers yields…