6 papers
Tunable giant Purcell enhancement of quantum light emitters by means of acoustic graphene plasmons
Justin Gruber, Mahtab A. Khan, Dirk R. Englund +1
Inspired by the remarkable ability of plasmons to boost radiative emission rates, we propose leveraging acoustic graphene plasmons (AGPs) to realize tunable, giant Purcell enhancem…
On-chip high-order parametric downconversion in the excitonic Mott insulator NbCl for programmable multiphoton entangled states
Dmitry Skachkov, Dirk R. Englund, Michael N. Leuenberger
Spontaneous parametric downconversion (SPDC) and four-wave mixing in and media underpin most entangled-photon sources, but direct generation of higher-order e…
Multiferroic Dark Excitonic Mott Insulator in the Breathing-Kagome Lattice Material NbCl
Mahtab A. Khan, Naseem Ud Din, Dmitry Skachkov +2
Flat electronic bands strongly enhance Coulomb interactions and can stabilize unconventional insulating states. Motivated by the recent discovery of flat bands in breathing Kagome…
Er:AlO for Telecom-Band Photonics: Electronic Structure and Optical Properties
Mahtab A. Khan, Jayden D. Craft, Hari P. Paudel +3
Er-doped AlO is a promising host for telecom-band integrated photonics. Here we combine ab initio calculations with a symmetry-resolved analysis to elucidate substitutional…
AI Agents for Photonic Integrated Circuit Design Automation
Ankita Sharma, YuQi Fu, Vahid Ansari +8
We present Photonics Intelligent Design and Optimization (PhIDO), a multi-agent framework that converts natural-language photonic integrated circuit (PIC) design requests into layo…
Linear and nonlinear optical response based on many-body GW-Bethe-Salpeter and Kadanoff-Baym approaches for two-dimensional layered semiconductors
Dmitry Skachkov, Dirk R. Englund, Michael N. Leuenberger
The family of 2D layered semiconductors, including transition metal chalcogenides (TMCs) of the form MX (M=Ga, In; X=S, Se, Te) exhibit exceptional nonlinear optical properties. Th…