17 papers
Fabrication-Aware Design of a Hybrid Metasurface-Bragg Mirror for Low-Noise Precision Optics
Mika Gaedtke, Christian Kranhold, Markus Walther +3
High-reflectivity coatings for precision interferometry must simultaneously minimize optical losses and thermally driven displacement noise. Dielectric Bragg mirrors provide robust…
Coherent interaction of WS and quasi-2D perovskite excitons over micrometer distances via a cavity field
Marti Struve, Hamid Pashaei Adl, Jamie M. Fitzgerald +13
The coherent coupling of cavity-confined photons and excitonic matter resonances leads to the formation of cavity polaritons, hybrid light-matter quasi-particles. If multiple excit…
Direct Wafer Bonding of Crystal-Ion-Sliced GaP Thin Films for Photonic Applications
Hossein Esfandiar, Emanuel Glück, Fabian Ganss +11
Gallium phosphide (GaP) is a promising material platform for integrated photonics because of its high refractive index, broad optical transparency, and strong second-order nonlinea…
Charge Tunable Optical Nonlinearity of Moiré Exciton-Polaritons
Zhijie Li, Kok Wee Song, Jens-Christian Drawer +16
Transition metal dichalcogenides represent a versatile platform to study strong light-matter interactions based on excitons and electrons in ordered lattices. Twist-engineering of…
Strong coupling regimes of an organic exciton mirror in a microcavity
Christoph Bennenhei, Lukas Lackner, Moritz Gittinger +7
The coherent, periodic energy transfer between light- and matter excitations characterizes the strong coupling regime of cavity exciton-polaritons, resulting, in the simplest case,…
Demonstration of a Monolithic and Fully Telecom-Fiber-Compatible Tunable Source of Polarization Entangled Photon Pairs Based on a van der Waals Material
Benjamin Laudert, Fatemeh Abtahi, Duk Choi +2
We present a tunable, single-mode-optical-fiber-based source of polarization entangled photon pairs for the near-infrared telecommunication band that is deployable in standard infr…
Sparse Spectral Imaging for Thickness Mapping of 3R-MoS on PDMS
Benjamin Laudert, Fatemeh Abtahi, Sarka Vavreckova +2
We present a non-destructive, spatially resolved thickness characterization method for rhombohedral (3R) molybdenum disulfide (MoS) on polydimethylsiloxane (PDMS) substrates. U…
Beyond Bragg-Mirrors for Gravitational Wave Telescopes: A Fabrication Tolerant Hybrid Metasurface-Bragg Mirror Design
Christian Kranhold, Mika Gaedtke, Markus Walther +3
Coating thermal noise in high-reflectivity test-mass mirrors is a major limitation for future gravitational-wave detectors, especially in the 10--300 Hz band. ET-Pathfinder therefo…
Inverse designed metasurfaces for multi-wavelength full-Stokes polarisation imaging
Sarah E. Dean, Neuton Li, Josephine Munro +7
Multispectral full-Stokes polarisation imaging has a broad range of applications, from biological cell imaging to agricultural remote surveying. For such applications, especially i…
Hybrid Barium Titanate Waveguide Designs For Efficient Nonlinear Frequency Conversion
Trevor G. Vrckovnik, D. Arslan, F. Eilenberger +1
Barium titanate (BaTiO) is emerging as a powerful integrated photonic material, combining strong and electro-optic nonlinearities with rapidly improving thin-film wav…
Stabilizing van der Waals NbOI2 by SiO2 encapsulation for Photonic Applications
Gia Quyet Ngo, Fatemeh Abtahi, Jakub Regner +6
Niobium oxide diiodide (NbOI2) is an emerging material for photonics and electronics, distinguished by its exceptional second-order nonlinearity and pronounced in-plane ferroelectr…
Thickness-dependence of Linear and Nonlinear Optical Properties of Multilayer 3R-MoS2
Fatemeh Abtahi, Alen Shaji, Gia Quyet Ngo +4
3R-MoS2, a MoS2 polytype with broken inversion symmetry, enables unique light-matter interactions and is promising for linear and nonlinear integrated photonics beyond the monolaye…
Universal computational super-resolution framework for imaging of quantum dots
Dominik Vašinka, Jaewon Lee, Charlie Stalker +9
We present a universal deep-learning method that reconstructs super-resolved images of quantum emitters from a single camera frame measurement. Trained on physics-based synthetic d…
Role of Coherence in Polarization Response of Hybrid Monolayer MoS-Gold Nanoparticle Systems
Laura Valencia Molina, Zlata Fedorova, Angela Barreda +12
Monolayers of transition metal dichacogenides show strong second-order nonlinearity and symmetry-driven selection rules from their three-fold lattice symmetry. This process resembl…
Structural and Optical Properties of Crystal Ion Sliced BaTiO Thin Films
Hossein Esfandiar, Fatemeh Abtahi, Trevor G. Vrckovnik +10
Barium titanate (BaTiO) is a compelling material for integrated photonics due to its strong electro-optic and second-order nonlinear properties. Crystal Ion Slicing (CIS) prese…
Generation of polarization-entangled Bell states in monolithic photonic waveguides by leveraging intrinsic crystal properties
Trevor G. Vrckovnik, Dennis Arslan, Falk Eilenberger +1
Advanced photonic quantum technologies -- from quantum key distribution to quantum computing -- require on-chip sources of entangled photons that are both efficient and readily sca…
Quantum simulation of wave optics in weakly inhomogeneous media using block-encoding
Siavash Davani, Martin Gärttner, Falk Eilenberger
We propose a quantum algorithm that simulates the propagation of a light field through a weakly inhomogeneous medium. In the paraxial approximation, the wave equation in an inhomog…