Room temperature solid-state quantum emitters in the telecom range

Yu Zhou, Ziyu Wang, Abdullah Rasmita, Sejeong Kim, Amanuel Berhane, Zoltán Bodrog, Giorgio Adamo, Adam Gali, Igor Aharonovich, Wei Bo Gao

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23 Citations (Scopus)


On-demand, single-photon emitters (SPEs) play a key role across a broad range of quantum technologies. In quantum networks and quantum key distribution protocols, where photons are used as flying qubits, telecom wavelength operation is preferred because of the reduced fiber loss. However, despite the tremendous efforts to develop various triggered SPE platforms, a robust source of triggered SPEs operating at room temperature and the telecom wavelength is still missing. We report a triggered, optically stable, room temperature solid-state SPE operating at telecom wavelengths. The emitters exhibit high photon purity (∼5% multiphoton events) and a record-high brightness of ∼1.5 MHz. The emission is attributed to localized defects in a gallium nitride (GaN) crystal. The high-performance SPEs embedded in a technologically mature semiconductor are promising for on-chip quantum simulators and practical quantum communication technologies.

Original languageEnglish
Article numbereaar3580
JournalScience Advances
Issue number3
Publication statusPublished - Mar 30 2018


ASJC Scopus subject areas

  • General

Cite this

Zhou, Y., Wang, Z., Rasmita, A., Kim, S., Berhane, A., Bodrog, Z., Adamo, G., Gali, A., Aharonovich, I., & Gao, W. B. (2018). Room temperature solid-state quantum emitters in the telecom range. Science Advances, 4(3), [eaar3580].