Dual-Beam THz Spectrometer with Low-Aberration Optics and Off-Axis Multipixel Photoconductive Emitters for Reduced Systematic Errors [0.03%]
具有低像差光学和离轴多像素光电导辐射器以减少系统误差的双光束太赫兹分光计
Nishtha Chopra,James Lloyd-Hughes
Nishtha Chopra
A dual-beam THz spectrometer is reported that substantially reduces the influence of systematic errors in THz time-domain spectroscopy such as those caused by variations in femtosecond laser power or the environmental temperature and humidi...
Widely Tunable Photonic Filter Based on Equivalent Chirped Four-Phase-Shifted Sampled Bragg Gratings [0.03%]
基于等效啁啾四相移采样布拉格光栅的可调谐光子滤波器
Simeng Zhu,Bocheng Yuan,Mohanad Al-Rubaiee et al.
Simeng Zhu et al.
We have developed an integrated dual-band photonic filter (PF) utilizing equivalent chirped four-phase-shifted sidewall-sampled Bragg gratings (4PS-SBG) on a silicon-on-insulator platform. Using the reconstruction equivalent-chirp technique...
Accessing Beyond-Light Line Dispersion and High- Q Resonances of Dense Plasmon Lattices by Bandfolding [0.03%]
密集表面等离子体晶格的超光线色散和高Q共振通过带折叠的途径获取
Nelson de Gaay Fortman,Debapriya Pal,Peter Schall et al.
Nelson de Gaay Fortman et al.
Dense plasmon lattices are promising as experimentally accessible implementations of seminal tight-binding Hamiltonians, but the plasmonic dispersion of interest lies far beyond the light line and is thereby inaccessible in far-field optica...
Joint Experimental and Computational Characterization of Sum-Frequency Generation between a Continuous Wave Laser and an Ultrafast Frequency Comb Laser for Tunable Laser Development [0.03%]
连续波激光和超快频率梳激光之间和频生成的联合实验与计算特征分析在可调谐激光开发中的应用
Jie Zhan,Nicholas D Cooper,Melanie A R Reber
Jie Zhan
Ultrafast optical frequency combs allow for both high spectral and temporal resolution in molecular spectroscopy and have become a powerful tool in many areas of chemistry and physics. Ultrafast lasers and frequency combs generated from ult...
Spatially Controlled All-Optical Switching of Liquid-Crystal-Empowered Metasurfaces [0.03%]
空间控制的液晶超表面全光切换
Maximilian Beddoe,Sarah L Walden,Slobodan Miljevic et al.
Maximilian Beddoe et al.
Embedding metasurfaces in liquid crystal (LC) cells is a promising technique for realizing tunable optical functionalities. Here, we demonstrate spatially controlled all-optical switching of the optical response of a homogeneous silicon nan...
Cactus-like Metamaterial Structures for Electromagnetically Induced Transparency at THz frequencies [0.03%]
用于电磁诱导透明的柱状铁氧体元结构
Savvas Papamakarios,Odysseas Tsilipakos,Ioannis Katsantonis et al.
Savvas Papamakarios et al.
THz metamaterials present unique opportunities for next-generation technologies and applications as they can fill the "THz gap" originating from the weak response of natural materials in this regime, providing a variety of novel or advanced...
Bose-Einstein Condensation of Polaritons at Room Temperature in a GaAs/AlGaAs Structure [0.03%]
室温下单层GaAs/AlGaAs量子阱中准粒子玻色-爱因斯坦凝聚
Hassan Alnatah,Shuang Liang,Qi Yao et al.
Hassan Alnatah et al.
We report the canonical properties of the Bose-Einstein condensation of polaritons in the weak coupling regime, seen previously in many low-temperature experiments, at room temperature in a GaAs/AlGaAs structure. These effects include a non...
Ultrathin, Dynamically Controllable Circularly Polarized Emission Laser Enabled by Resonant Chiral Metasurfaces [0.03%]
共振手性元表面启用的超薄动态可控圆偏振激光发射
Ioannis Katsantonis,Anna C Tasolamprou,Eleftherios N Economou et al.
Ioannis Katsantonis et al.
We demonstrate a simple, low-cost, and ultracompact chiral resonant metasurface design, which, by strong local coupling to a quantum gain medium (quantum emitters), allows to implement an ultrathin metasurface laser, capable of generating t...
Shahrzad Latifi,A Courtney DeVries
Shahrzad Latifi
Decoding the principles underlying neuronal information processing necessitates the emergence of techniques and methodologies to monitor multiscale brain networks in behaving animals over long periods of time. Novel advances in biophotonics...
Vashist G Ramesh,Joris Busink,René E R Moesbergen et al.
Vashist G Ramesh et al.
We present a complete framework of stochastic thermodynamics for a single-mode linear optical cavity driven on resonance. We first show that the steady-state intracavity field follows the equilibrium Boltzmann distribution. The effective te...