تقرير
Ultranarrow linewidth room-temperature single-photon source from perovskite quantum dot embedded in optical microcavity
العنوان: | Ultranarrow linewidth room-temperature single-photon source from perovskite quantum dot embedded in optical microcavity |
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المؤلفون: | Dhawan, Amit R., Farrow, Tristan, Marshall, Ashley, Ghorbal, Alex, Son, Wonmin, Snaith, Henry J., Smith, Jason M., Taylor, Robert A. |
سنة النشر: | 2023 |
المجموعة: | Physics (Other) |
مصطلحات موضوعية: | Physics - Optics |
الوصف: | Ultranarrow bandwidth single-photon sources operating at room-temperature are of vital importance for viable optical quantum technologies at scale, including quantum key distribution, cloud based quantum information processing networks, and quantum metrology. Here we show a room-temperature ultranarrow bandwidth single-photon source generating polarised photons at a rate of 5MHz based on an inorganic CsPbI3 perovskite quantum dot embedded in a tunable open-access optical microcavity. When coupled to an optical cavity mode, the quantum dot room-temperature emission becomes single-mode and the spectrum narrows down to just 1 nm. The low numerical aperture of the optical cavities enables efficient collection of high-purity single-mode single-photon emission at room-temperature, offering promising performance for photonic and quantum technology applications. We measure 94% pure single-photon emission into a single-mode under pulsed and continuous-wave (CW) excitation. |
نوع الوثيقة: | Working Paper |
URL الوصول: | http://arxiv.org/abs/2305.09086 |
رقم الأكسشن: | edsarx.2305.09086 |
قاعدة البيانات: | arXiv |
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