Rational design of efficient defect-based quantum emitters

被引：8
|
作者：
Turiansky, Mark E. [1 ]
Parto, Kamyar [2 ]
Moody, Galan [2 ]
Van de Walle, Chris G. [1 ]
机构：
[1] Univ Calif Santa Barbara, Mat Dept, Santa Barbara, CA 93106 USA
[2] Univ Calif Santa Barbara, Dept Elect & Comp Engn, Santa Barbara, CA 93106 USA
来源：
APL PHOTONICS | 2024年 / 9卷 / 06期
基金：
美国国家科学基金会;
关键词：
SINGLE-PHOTON EMITTERS; RECOMBINATION RATE CALCULATIONS; POINT-DEFECTS; COLOR-CENTERS; EMISSION; DIAMOND; QUBITS; ENTANGLEMENT; CAPTURE;
D O I：
10.1063/5.0203366
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Single-photon emitters are an essential component of quantum networks, and defects or impurities in semiconductors are a promising platform to realize such quantum emitters. Here, we present a model that encapsulates the essential physics of coupling to phonons, which governs the behavior of real single-photon emitters, and critically evaluate several approximations that are commonly utilized. Emission in the telecom wavelength range is highly desirable, but our model shows that nonradiative processes are greatly enhanced at these low photon energies, leading to a decrease in efficiency. Our results suggest that reducing the phonon frequency is a fruitful avenue to enhance the efficiency.
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收藏
页数：13
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