collaborators

8 papers

physics.optics2026

Integration of hBN Single-Photon Emitters into a Hybrid Optomechanical Membrane-in-the-Middle Fiber-Cavity

Patrick Maier, Alexander Kubanek

The integration of membranes into optical resonators plays a key role in a variety of applications, including optomechanics. Membranes hosting single photon emitters, ideally with…

quant-ph2026

Investigating Spectral Dynamics and Spin Signatures of a Mechanically Isolated Quantum Emitter in hBN

Sajedeh Shahbazi, Alexander Pachl, Kathrin Schwer +2

Mechanically isolated defect centers in hexagonal boron nitride are promising coherent quantum emitters, yet spectral instabilities persist, and their spin-related nature remains u…

quant-ph2026

A Hybrid Jump-Diffusion Model for Coherent Optical Control of Quantum Emitters in hBN

Saifian Farooq Bhat, Michael K. Koch, Sachin Negi +2

Hexagonal boron nitride (hBN) has emerged as a promising two-dimensional host for stable single-photon emission owing to its wide bandgap, high photostability, and compatibility wi…

physics.optics2025

Extracting Membrane-like hexagonal Boron Nitride hosting single Defect Centers for Resonator Integration

Patrick Maier, Alexander Kubanek

The integration of membranes into optical resonators plays a key role in a variety of applications, including optomechanics. If such membranes host atom-like systems, ideally with…

quant-ph2025

Bipartite entanglement in a nuclear spin register mediated by a quasi-free electron spin

Marco Klotz, Andreas Tangemann, David Opferkuch +1

Quantum networks will rely on photons entangled to robust, local quantum registers for computation and error correction. We demonstrate control of and entanglement in a fully conne…

quant-ph2025

Tunable cavity coupling of a single SnV center in nanodiamond across bad-emitter and bad-cavity regimes

Selene Sachero, Robert Berghaus, Elena Nieto Hernandez +5

Efficient coupling between quantum emitters and optical cavities is essential for scalable quantum photonic technologies. Group IV vacancy centers in diamond, particularly the nega…