Dynamically tuned non-classical light emission from atomic defects in hexagonal boron nitride

Snežana Lazić, André Espinha, Sergio Pinilla Yanguas, Carlos Gibaja, Félix Zamora, Pablo Ares, Manish Chhowalla, Wendel S. Paz, Juan José Palacios Burgos, Alberto Hernández-Mínguez, Paulo V. Santos, Herko P. van der Meulen

Research output: Contribution to journalArticle

Abstract

Luminescent defects in hexagonal boron nitride (h-BN) have recently emerged as a promising platform for non-classical light emission. On-chip solutions, however, require techniques for controllable in-situ manipulation of quantum light. Here, we demonstrate the dynamic spectral and temporal tuning of the optical emission from h-BN via moving acousto-mechanical modulation induced by stimulated phonons. When perturbed by the propagating acoustic phonon, the optically probed radiative h-BN defects are periodically strained and their sharp emission lines are modulated by the deformation potential coupling. This results in an acoustically driven spectral tuning within a 2.5-meV bandwidth. Our findings, supported by first-principles theoretical calculations, reveal exceptionally high elasto-optic coupling in h-BN of ~50 meV/%. Temporal control of the emitted photons is achieved by combining the acoustically mediated fine-spectral tuning with spectral detection filtering. This study opens the door to the use of sound for scalable integration of h-BN emitters in nanophotonic and quantum information technologies.

Original languageEnglish
Article number113
JournalCommunications Physics
Volume2
Issue number1
DOIs
Publication statusPublished - Dec 1 2019

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boron nitrides
light emission
defects
tuning
acoustics
manipulators
emitters
phonons
platforms
chips
optics
bandwidth
modulation
photons

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Lazić, S., Espinha, A., Pinilla Yanguas, S., Gibaja, C., Zamora, F., Ares, P., ... van der Meulen, H. P. (2019). Dynamically tuned non-classical light emission from atomic defects in hexagonal boron nitride. Communications Physics, 2(1), [113]. https://doi.org/10.1038/s42005-019-0217-6

Dynamically tuned non-classical light emission from atomic defects in hexagonal boron nitride. / Lazić, Snežana; Espinha, André; Pinilla Yanguas, Sergio; Gibaja, Carlos; Zamora, Félix; Ares, Pablo; Chhowalla, Manish; Paz, Wendel S.; Burgos, Juan José Palacios; Hernández-Mínguez, Alberto; Santos, Paulo V.; van der Meulen, Herko P.

In: Communications Physics, Vol. 2, No. 1, 113, 01.12.2019.

Research output: Contribution to journalArticle

Lazić, S, Espinha, A, Pinilla Yanguas, S, Gibaja, C, Zamora, F, Ares, P, Chhowalla, M, Paz, WS, Burgos, JJP, Hernández-Mínguez, A, Santos, PV & van der Meulen, HP 2019, 'Dynamically tuned non-classical light emission from atomic defects in hexagonal boron nitride', Communications Physics, vol. 2, no. 1, 113. https://doi.org/10.1038/s42005-019-0217-6
Lazić, Snežana ; Espinha, André ; Pinilla Yanguas, Sergio ; Gibaja, Carlos ; Zamora, Félix ; Ares, Pablo ; Chhowalla, Manish ; Paz, Wendel S. ; Burgos, Juan José Palacios ; Hernández-Mínguez, Alberto ; Santos, Paulo V. ; van der Meulen, Herko P. / Dynamically tuned non-classical light emission from atomic defects in hexagonal boron nitride. In: Communications Physics. 2019 ; Vol. 2, No. 1.
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