focalinterest.net

AI Summary of Scholarly Research

This page presents an AI-generated summary of a published research paper. The original authors did not write or review this article. [See full disclosure ↓]

B centres in hBN show resonant single-photon emission

Written by

editor@focalinterest.com

in

Research area:chemistry-materials

What the study found

The study found that a single B centre in hexagonal boron nitride (hBN) can be driven resonantly to emit photons with signs of optical coherence. The authors report both continuous-wave and pulsed signatures, including the Mollow triplet and Hong-Ou-Mandel interference from zero-phonon-line emission.

Why the authors say this matters

The authors conclude that this demonstrates the potential of B centres in hBN for integrated quantum information. They also note that single-photon sources in van der Waals materials offer new perspectives for integration in quantum information applications.

What the researchers tested

The researchers worked with narrow-linewidth emitters integrated into a hybrid metal-dielectric structure. They used cross-polarisation laser rejection to observe resonantly scattered photons and tested the system in both continuous-wave and pulsed regimes.

What worked and what didn't

The cross-polarisation setup allowed the authors to reject backreflected laser light at the same wavelength and observe resonant fluorescence. They reported Mollow triplet signatures in continuous-wave operation and Hong-Ou-Mandel interference in pulsed operation, with measured two-photon interference visibilities of 0.93 and 0.92 for two emitters. The abstract says that, before this work, excitation or detection had been performed non-resonantly because rejecting the laser light was difficult.

What to keep in mind

The summary does not describe detailed experimental conditions beyond the hybrid structure and cross-polarisation approach. It also does not provide broader limits, failure cases, or information about how widely these results apply beyond the emitters studied.

Key points

  • A single B centre in hBN was driven resonantly.
  • The study observed signatures of optical coherence in both continuous-wave and pulsed regimes.
  • Reported results included the Mollow triplet and Hong-Ou-Mandel interference from zero-phonon-line emission.
  • Measured two-photon interference visibilities were 0.93 and 0.92 for two emitters.
  • The authors say the findings support potential use in integrated quantum information.

Disclosure

Research title:
B centres in hBN show resonant single-photon emission
Authors:
Domitille Gérard, Stéphanie Buil, Kenji Watanabe, Takashi Taniguchi, Jean‐Pierre Hermier, Aymeric Delteil
Institutions:
Centre National de la Recherche Scientifique, Centre National de la Recherche Scientifique, Centre National de la Recherche Scientifique, Centre National de la Recherche Scientifique, Groupe d’Étude de la Matière Condensée, Groupe d’Étude de la Matière Condensée, Groupe d’Étude de la Matière Condensée, Groupe d’Étude de la Matière Condensée, National Institute for Materials Science, National Institute for Materials Science, Université de Versailles Saint-Quentin-en-Yvelines, Université de Versailles Saint-Quentin-en-Yvelines, Université de Versailles Saint-Quentin-en-Yvelines, Université de Versailles Saint-Quentin-en-Yvelines, Université Paris-Saclay, Université Paris-Saclay, Université Paris-Saclay, Université Paris-Saclay
Publication date:
2026-02-11
DOI:
10.1038/s41467-026-68555-5
OpenAlex record:
View
AI provenance: This post was generated by gpt-5.4-mini (OpenAI). The original authors did not write or review this post.

More posts