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Room temperature solid-state quantum emitters in the telecom range.
Science Advances ( IF 13.6 ) Pub Date : 2018-Mar-01 , DOI: 10.1126/sciadv.aar3580
Yu Zhou 1 , Ziyu Wang 1 , Abdullah Rasmita 1 , Sejeong Kim 2 , Amanuel Berhane 2 , Zoltán Bodrog 3 , Giorgio Adamo 1, 4 , Adam Gali 3, 5 , Igor Aharonovich 2 , Wei-bo Gao 1, 4
Affiliation  

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.

中文翻译:

电信范围内的室温固态量子发射器。

按需单光子发射器(SPE)在广泛的量子技术中发挥着关键作用。在将光子用作飞行量子位的量子网络和量子密钥分配协议中,由于减少了光纤损耗,因此首选电信波长操作。但是,尽管为开发各种触发式SPE平台付出了巨大的努力,但仍缺少在室温和电信波长下运行的触发式SPE的强大来源。我们报告了在电信波长下运行的触发式,光学稳定的室温固态SPE。发射器具有高光子纯度(约5%多光子事件)和约1.5 MHz的创纪录高亮度。发射归因于氮化镓(GaN)晶体中的局部缺陷。
更新日期:2018-03-31
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