Compact QED system of single photon emitter coupled to silicon nitride nanobeam

Compact QED system of single photon emitter coupled to silicon nitride nanobeam
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与氮化硅纳米束耦合的单光子发射器的紧凑型 QED 系统

DOI:
10.1117/12.2566349
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发表时间:
2020
期刊:
PROCEEDINGS OF SPIE
影响因子:
--
通讯作者:
Akimov, Alexey
Akimov, Alexey
中科院分区:
--
文献类型:
--
作者:
Khurana, Mohit;Alajlan, Abdulrahman;Liu, Xiaohan;Akimov, Alexey

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我们讨论了一个紧凑的锗空位(GeV)中心与高质量因数氮化硅纳米束光子晶体(PhC)腔耦合的QED系统。利用高效的光纤-波导耦合平台,对金刚石GeV中心零声子线附近质量因子为24000的器件进行了演示。我们还提出了一种光纤-波导耦合的方法,该方法允许光子从光纤无缝过渡到光子器件,反之亦然。我们的方法使用锥形锥形光纤(锥角为~ 4°),在~ 11μm上耦合到氮化硅(Si3N4)波导锥(锥角为~ 1°),实现高达~ 96%的耦合效率。
We discuss a compact QED system of Germanium Vacancy(GeV) centres coupled to high quality factor silicon nitride nanobeam Photonic crystal(PhC) cavities. Devices with a quality factor of 24,000 around the zero-phonon line of the GeV center in diamond are demonstrated with an efficient fiber-to-waveguide coupling platform. We also present a method for fiber-waveguide coupling that allows seamless transition of photons from optical fibers into photonics devices and vice versa. Our method uses conical tapered optical fibers (with a tapering angle of ∼ 4° ) that are coupled over ∼ 11μm to a silicon nitride (Si3N4) waveguide taper (with a tapering angle of ∼ 1° ) achieving upto ∼ 96% coupling efficiency.
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发表时间: 2016-11-18
期刊: SCIENCE
影响因子: 56.9
作者:
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