activity
20222025
most cited'Sawfish' Photonic Crystal Cavity for Near-Unity Emitter-to-Fiber Interfacing in Quantum Network Applications

22 citations · 60 across the 7 of their papers we have counts for

collaborators

7 papers

quant-ph2025

Waveguide-integrated colour centres in silicon carbide with broadband photonic crystal reflectors for efficient readout

Marcel Krumrein, Julian M. Bopp, Timo Steidl +5

Spin-active colour centres in 4H silicon carbide are promising candidates as building blocks for quantum information applications. To increase the photon count rate of the emitters…

quant-ph2025

Laser intracavity absorption magnetometry for optical quantum sensing

J. M. Wollenberg, F. Perona, A. Palaci +6

Intracavity absorption spectroscopy (ICAS) is a well-established technique for detecting weak absorption signals with ultrahigh sensitivity. Here, we extend this concept to magneto…

physics.optics2025★ 1 cited

Dinosaur Photonic Crystal Cavity Interfaces for Color Center Coupling to Triangular Nanostructures

Julian M. Bopp, Lucca Valerius, Tim Schröder

Waveguide-coupled photonic crystal cavities with a triangular cross section fabricated by angled etching are suitable to interface embedded color centers with flying photonic qubit…

quant-ph2023★ 20 cited

Coherent microwave, optical, and mechanical quantum control of spin qubits in diamond

Laura Orphal-Kobin, Cem Güney Torun, Julian M. Bopp +2

Diamond has emerged as a highly promising platform for quantum network applications. Color centers in diamond fulfill the fundamental requirements for quantum nodes: they constitut…

physics.app-ph2023★ 2 cited

Diamond-on-chip infrared absorption magnetic field camera

Julian M. Bopp, Hauke Conradi, Felipe Perona +11

Integrated and fiber-packaged magnetic field sensors with a sensitivity sufficient to sense electric pulses propagating along nerves in life science applications and with a spatial…

physics.optics2023★ 15 cited

Fabrication of Sawfish photonic crystal cavities in bulk diamond

Tommaso Pregnolato, Marco E. Stucki, Julian M. Bopp +4

Color centers in diamond are quantum systems with optically active spin-states that show long coherence times and are therefore a promising candidate for the development of efficie…

quant-ph2022★ 22 cited

'Sawfish' Photonic Crystal Cavity for Near-Unity Emitter-to-Fiber Interfacing in Quantum Network Applications

Julian M. Bopp, Matthias Plock, Tim Turan +3

Photon loss is one of the key challenges to overcome in complex photonic quantum applications. Photon collection efficiencies directly impact the amount of resources required for m…