English
Related papers

Related papers: Multipacting Simulations of Tuner-adjustable waveg…

200 papers

Acoustic waves have emerged as versatile on-chip information carriers with applications ranging from microwave filters to transducers. Nonreciprocal devices are desirable for the control and routing of high-frequency phonons. This is…

Applied Physics · Physics 2020-07-17 Linbo Shao , Wenbo Mao , Smarak Maity , Neil Sinclair , Yaowen Hu , Lan Yang , Marko Lončar

We report on the first experimental demonstration of widely-tunable parametric sideband generation in a Kerr microresonator. Specifically, by pumping a silica microsphere in the normal dispersion regime, we achieve the generation of…

Periodically-tapered-waveguides technique is an emerging potential route to establish quasi-phase-matching schemes for efficient on-demand parametric interactions in third-order nonlinear materials. In this paper, I investigate this method…

Quantum Physics · Physics 2019-04-17 Mohammed F. Saleh

Tunable couplers are a key building block of superconducting quantum processors, enabling high on-off ratios for two-qubit entangling interactions. While qubit-qubit interaction can be turned off, residual wavefunctions delocalize…

Quantum Physics · Physics 2026-02-23 Zhongyi Jiang , Simon Geisert , Sören Ihssen , Ioan M. Pop , Mohammad H. Ansari

We demonstrate voltage-tunable thermo-optic bi- and tri-stability in silicon photonic microring resonators with lateral p-i-n junctions and present a technique for characterizing the thermo-optic transient response of integrated optical…

A class of Actively Calibrated Line Mounted Capacitive Voltage Transducers (LMCVT) are introduced as a viable line mountable instrumentation option for deploying large numbers of voltage transducers onto the medium and high voltage systems.…

Instrumentation and Detectors · Physics 2017-01-27 Raffi Sevlian , Ram Rajagopal

Probabilistic integral circuits (PICs) have been recently introduced as probabilistic models enjoying the key ingredient behind expressive generative models: continuous latent variables (LVs). PICs are symbolic computational graphs defining…

Machine Learning · Computer Science 2025-02-06 Gennaro Gala , Cassio de Campos , Antonio Vergari , Erik Quaeghebeur

The relentless scaling of classical microelectronics has been enabled by the precision and reproducibility of deep-ultraviolet (DUV) optical lithography. Implementing large-scale superconducting quantum processors will require cryogenic…

Quantum Physics · Physics 2026-03-17 Hao Li , Marco Scigliuzzo , Evgenii Guzovskii , Seog-Tae Han , Kyungho Han , Tobias J. Kippenberg

This paper theoretically and experimentally investigates frequency-tuned and impedance-tuned wireless non-radiative power transfer (WNPT) systems. Closed-form expressions for the efficiencies of both systems, as a function of frequency and…

Other Computer Science · Computer Science 2015-01-23 Jason D. Heebl , Erin M. Thomas , Robert P. Penno , Anthony Grbic

Programmable photonic circuits are versatile platforms that route light through multiple interference paths using reconfigurable optoelectronic elements to perform complex discrete linear operations. These circuits offer the potential for…

An experimentally-calibrated carbon nanotube compact transistor model has been used here to design two high-frequency (HF) circuits with two different functionalities each: a phase configurable amplifier (PCA) and a frequency configurable…

MiTMoJCo (Microscopic Tunneling Model for Josephson Contacts) is C code which aims to assist modeling of superconducting Josephson contacts based on the microscopic tunneling theory. The code offers implementation of a computationally…

Superconductivity · Physics 2020-03-31 Dmitry R. Gulevich

We discuss a practical design for tunably coupling a pair of flux qubits via the quantum inductance of a third high-frequency qubit. The design is particularly well suited for realizing a recently proposed microwave-induced parametric…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Antti O. Niskanen , Yasunobu Nakamura , Jaw-Shen Tsai

Combining tunable metasurfaces with chaotic cavities opens new avenues for finely tailored dynamic control of microwaves with programmable coding metacavities (PCMs). There is currently a strong interest in utilizing PCMs to overcome the…

Applied Physics · Physics 2020-04-28 Philipp del Hougne , Matthieu Davy , Ulrich Kuhl

This paper demonstrates the implementation and validation of a microwave testbed for directionally modulated transmission. Directional modulation enables multiple communication and/or radar signals to be transmitted in multiple directions…

Systems and Control · Electrical Eng. & Systems 2026-02-16 Jonathan E. Swindell , David W. Cox , Rebekah Edwards , Emma Lever , Adam C. Goad , Austin Egbert , Charles Baylis , Robert J. Marks

We experimentally demonstrate a broadband, fabrication tolerant, CMOS compatible compact silicon waveguide taper (34.2 um) in silicon-on-insulator wire waveguides. The taper works on multi-mode interference along the length of the taper. A…

Applied Physics · Physics 2020-01-01 Purnima Sethi , Shankar Kumar Selvaraja

We use He$^+$ irradiation to tune the nonlinearity, $\mathcal{N}$, of all-perpendicular spin-torque nano-oscillators (STNOs) using the He$^+$ fluence-dependent perpendicular magnetic anisotropy (PMA) of the [Co/Ni] free layer. Employing…

We report experimental determination of the phase-matching function for type-II three-wave mixing in a periodically poled KTiOPO_4 waveguide in the 792-815 nm spectral region. The measurement was performed by sum-frequency generation of…

Quantum Physics · Physics 2010-07-22 Michal Karpinski , Czeslaw Radzewicz , Konrad Banaszek

We propose a dynamically tunable nonreciprocal response for wave propagations by employing nonlinear Fano resonances. We demonstrate that transmission contrast of waves propagation in opposite directions can be controlled by excitation…

Optics · Physics 2015-06-17 Yi Xu , Andrey E. Miroshnichenko

We analyze the modulation instability induced by periodic variations of group velocity dispersion and nonlinearity in optical fibers, which may be interpreted as an analogue of the well-known parametric resonance in mechanics. We derive…

Optics · Physics 2015-06-11 Andrea Armaroli , Fabio Biancalana