Giant gating tunability of optical refractive index in transition metal dichalcogenide monolayers

Y Yu, Y Yu, L Huang, H Peng, L Xiong, L Cao - Nano Letters, 2017 - ACS Publications
We report that the refractive index of transition metal dichacolgenide (TMDC) monolayers,
such as MoS2, WS2, and WSe2, can be substantially tuned by> 60% in the imaginary part …

Perfect absorption by an atomically thin crystal

J Horng, EW Martin, YH Chou, E Courtade, T Chang… - Physical Review …, 2020 - APS
Optical absorption is one of the most fundamental processes in light-matter interactions. The
ability to achieve and control high absorption is crucial for a broad range of modern photonic …

Polarized light absorption in wurtzite InP nanowire ensembles

M De Luca, A Zilli, HA Fonseka, S Mokkapati… - Nano …, 2015 - ACS Publications
We investigate the absorption properties of ensembles of wurtzite (WZ) InP nanowires (NWs)
by high-resolution polarization-resolved photoluminescence excitation (PLE) spectroscopy …

Condensation of 2D exciton-polaritons in an open-access microcavity

F Li, Y Li, L Giriunas, M Sich, DD Solnyshkov… - Journal of Applied …, 2022 - pubs.aip.org
We establish a tunable open-access microcavity consisting of two planar distributed Bragg
reflectors (DBRs) individually controlled by nanopositioners. By varying the cavity length …

Thermal transport imaging in the quantum Hall edge channel

JN Moore, A Kamiyama, T Mano, G Yusa - Europhysics Letters, 2023 - iopscience.iop.org
Research focused on heat transport in the quantum Hall (QH) edge channel has
successfully addressed fundamental theoretical questions surrounding the QH physics …

Measurement of exciton fraction of microcavity exciton-polaritons using transfer-matrix modeling

J Beaumariage, Z Sun, H Alnatah, Q Yao… - arXiv preprint arXiv …, 2024 - arxiv.org
We present a careful calibration of the exciton fraction of polaritons in high-$ Q $($\sim
300,000$), long-lifetime ($\sim 300$ ps), GaAs/AlGaAs microcavities. This is a crucial …

[HTML][HTML] Effects of quantum well size alteration on excitonic population oscillation slow light devices properties

H Kaatuzian, HS Kojori, A Zandi… - Optics and Photonics …, 2013 - scirp.org
This paper investigates the effects of quantum well size changes on center frequency and
slow down factor of an slow light device. In this way, we consider the quantum well size …

Theoretical analysis of multiple quantum-well, slow-light devices under applied external fields using a fully analytical model in fractional dimension

R Kohandani, H Kaatuzian - Quantum Electronics, 2015 - iopscience.iop.org
We report a theoretical study of optical properties of AlGaAs/GaAs multiple quantum-well
(MQW), slow-light devices based on excitonic population oscillations under applied external …

Analysis of quantum well size alteration effects on slow light device based on excitonic population oscillation

H Kaatuzian, H Shokri Kojori, A Zandi… - Optical and Quantum …, 2013 - Springer
In this paper we investigate the effects of quantum well size changes on slow light device
properties. The principle properties such as center frequency and slow down factor of a slow …

Carrier-induced changes of the phase of reflected light at a pumped ZnSe layer

M Seemann, F Kieseling, H Stolz, R Franz… - Physical Review B …, 2005 - APS
The optical properties of semiconductors are strongly influenced by carriers, which have
been injected by a pump pulse. We investigate this effect by studying the amplitude and …