activity
20202026
most citedSingle germanium vacancy centres in nanodiamonds with bulk-like spectral stability

31 citations · 32 across the 5 of their papers we have counts for

collaborators

6 papers

physics.optics2026★ 1 cited

Chip-integrated metasurface-enabled single-photon skyrmion sources

Xujing Liu, Yinhui Kan, Shailesh Kumar +4

Skyrmions, topologically stable field configurations, have recently emerged in classical optics as structured light for high-density data applications. Achieving controllable on-ch…

quant-ph2025

Ultranarrow Bright Single-Photon Emitters in Diamond with Strong Broadband Phonon Decoupling

Swetapadma Sahoo, Péter Udvarhelyi, Jaden Li +6

Single-photon emitters are fundamental building blocks for quantum information processing, communication and sensing. However, unwanted interactions with bulk phonons in their host…

physics.ins-det2024

Optimization of the sensitivity of a temperature sensor based on germanium-vacancy color center (GeV) in diamond

I. S. Cojocaru, V. V. Soshenko, S. V. Bolshedvorskii +8

Temperature sensors based on the GeV color center in diamond are gaining considerable attention in both scientific and industrial fields. For widespread industrial adoption, howeve…

cond-mat.mes-hall2024

Strongly Coupled Spins of Silicon-Vacancy Centers Inside a Nanodiamond with Sub-Megahertz Linewidth

Marco Klotz, Richard Waltrich, Niklas Lettner +2

The search for long-lived quantum memories, which can be efficiently interfaced with flying qubits is longstanding. One possible solution is to use the electron spin of a color cen…

quant-ph2023

Controlling all Degrees of Freedom of the Optical Coupling in Hybrid Quantum Photonics

Niklas Lettner, Lukas Antoniuk, Anna P. Ovvyan +5

Nanophotonic quantum devices can significantly boost light-matter interaction which is important for applications such as quantum networks. Reaching a high interaction strength bet…

quant-ph2020★ 31 cited

Single germanium vacancy centres in nanodiamonds with bulk-like spectral stability

Mackrine Nahra, Daniel Alshamaa, Regis Deturche +4

Motivated by the success of group IV colour centres in nanodiamonds (NDs) for hybrid technology requiring a single photon source, we study single germanium-vacancy (GeV) centre…