Search Results - "Mock, Adam"
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Magnet-Free Circulator Based on Spatiotemporal Modulation of Photonic Crystal Defect Cavities
Published in ACS photonics (21-08-2019)“…Implementing optical circulators in a microphotonic platform is challenging because magneto-optical effects are weak and the required materials are difficult…”
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2
Low-Power All-Optical Switch Based on Time-Reversed Microring Laser
Published in IEEE photonics journal (01-12-2012)“…An all-optical switch based on an absorbing microring resonator laterally coupled to two waveguides is described theoretically using the coupling of modes in…”
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3
CMOS-compatible compact optical isolator based on space-time modulated coupled resonators
Published in Optics express (10-10-2022)“…This work shows how phase-shifted time-modulations applied to two or more near-field coupled resonators can be engineered to achieve magnet-free optical…”
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4
Multiorder Harmonic Analysis of Time-Varying Media Using Time-Domain Simulation
Published in IEEE transactions on microwave theory and techniques (01-02-2023)“…This work puts forth a simple time-domain simulation technique, applicable to periodically space-time-modulated nanophotonic systems, whereby the…”
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5
Modal Analysis of Nanoplasmonic Multilayer Spherical Resonators
Published in IEEE photonics journal (01-08-2011)“…The resonance wavelengths, quality factors, and electromagnetic field profiles of multilayered metal plasmonic nanospheres are presented. Quantitative results…”
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6
Effective Single-Frequency Source Spectra in Broadband Time-Domain Electromagnetic Simulation of Time-Varying Materials
Published in IEEE transactions on microwave theory and techniques (01-07-2021)“…An advantage of time-domain electromagnetic simulation tools is that an entire spectrum can be obtained in a single simulation run by using a broadband initial…”
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7
Characterization of parity-time symmetry in photonic lattices using Heesh-Shubnikov group theory
Published in Optics express (03-10-2016)“…We investigate the properties of parity-time symmetric periodic photonic structures using Heesh-Shubnikov group theory. Classical group theory cannot be used…”
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8
Modeling Passive Mode-Locking via Saturable Absorption in Graphene Using the Finite-Difference Time-Domain Method
Published in IEEE journal of quantum electronics (01-10-2017)“…An approach for modeling the dynamic saturable absorption of graphene using the finite-difference time-domain method is presented. In particular, this paper…”
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9
Optical Isolation using Compact Time-modulated Cavity Array
Published in Applied Computational Electromagnetics Society journal (03-02-2021)“…It is shown using coupled mode theory and verified using finite-difference time-domain simulations how a time-modulated three-cavity array can be designed to…”
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10
Calculating Scattering Spectra using Time-domain Modeling of Time-modulated Systems
Published in Applied Computational Electromagnetics Society journal (03-02-2021)“…Obtaining agreement between theoretical predictions that assume single-frequency excitation and finite-difference time-domain (FDTD) simulations that employ…”
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Nitric oxide breath testing by tunable-diode laser absorption spectroscopy: application in monitoring respiratory inflammation
Published in Applied optics (2004) (01-10-2002)“…We used a high-resolution mid-IR tunable-laser absorption spectroscopy (TLAS) system with a single IV-VI laser operating near 5.2 microm to measure the level…”
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12
Time-modulated Coupled-cavity System for Optical Switching
Published in Applied Computational Electromagnetics Society journal (01-11-2020)“…The scattering parameters of a time-modulated two-coupled-cavity system are obtained using coupled mode theory and verified using the finite-difference…”
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13
Space group theory and Fourier space analysis of two-dimensional photonic crystal waveguides
Published in Physical review. B, Condensed matter and materials physics (19-04-2010)Get full text
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14
Compact Magnetless Optical Isolator using Two Coupled Microcavities with Time-Modulation
Published in 2021 International Applied Computational Electromagnetics Society Symposium (ACES) (01-08-2021)“…It is shown how time-modulating the refractive index of two coupled microcavities with a 90 degree phase shift between them leads to non-reciprocal wave…”
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Conference Proceeding -
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Harmonic Analysis using Time-domain Simulation of Sinusoidally Time-varying Materials
Published in 2021 International Applied Computational Electromagnetics Society Symposium (ACES) (01-08-2021)“…It is shown how spectra of any harmonic order may be obtained from time-domain simulation of devices involving sinusoidal modulation of the constituent…”
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Conference Proceeding -
16
Fallen superheroes
Published 01-06-2012“…Using superheroes as the allegory, this colorful photo narrative explores the not-so-glamorous and sometimes dark realities of those who strive to live their…”
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eBook -
17
Asymmetric Band Structure Calculations Using the Plane Wave Expansion Method with Time-Modulated Permittivity
Published in Applied Computational Electromagnetics Society journal (2019)“…In this work we show how the plane wave expansion method for calculating the band structure of materials with periodic electric permittivity may be extended to…”
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Journal Article -
18
Padé approximant spectral fit for FDTD simulation of graphene in the near infrared
Published in Optical materials express (01-06-2012)“…A parameterization of the dispersive conductivity of highly-doped graphene has been developed and is presented for use in finite-difference time-domain…”
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Tunable Orbital Angular Momentum Radiation from Angular-Momentum-Biased Microcavities
Published in Physical review letters (07-09-2018)“…Lasers and light emitters do not typically radiate fields with orbital angular momentum (OAM). Here we show that a suitable scheme of spatiotemporal modulation…”
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Plasmonic Metamaterial Absorbers from Dense Gold Nanoparticle Stacks
Published in Plasmonics (Norwell, Mass.) (01-04-2017)“…Gold nanoparticle solutions were used to make highly absorbing, dense nanoparticle stacks (DNpS) using a simple and inexpensive solution cast method. UV-Vis…”
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