Superluminescence in the phonon wing of the photoluminescence spectrum of NV centres in diamond optically pumped at λ = 532 nm

IF 0.9 4区 工程技术 Q3 Engineering Quantum Electronics Pub Date : 2022-05-01 DOI:10.1070/qel18044
E. Lipatov, D. E. Genin, M. Shulepov, E. N. Tel’minov, A. Savvin, A. Eliseev, V. Vins
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引用次数: 3

Abstract

Superluminescence of NV centres with a band peaking at λ = 718 nm in the phonon wing of the photoluminescence spectrum of a high-pressure high-temperature (HPHT) diamond sample under pulsed optical excitation at λ = 532 nm with an intensity of 2 – 46 MW cm−2 is demonstrated. Superluminescence is observed in the diamond crystal region containing 6 ppm NV centres and 150 ppm substituent nitrogen; it is absent in the crystal part with a lower nitrogen content. Superluminescence pulses are observed on the leading edge of the optical excitation pulse at λ = 532 nm and have an FWHM value of 4 ns. The enhancement of the photoluminescence of NV centres is suggested to be due to the total internal reflection in the diamond plate (waveguide effect).
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λ = 532 nm光抽运金刚石NV中心光致发光光谱声子翼的超发光
在波长为λ = 532 nm、强度为2 ~ 46 MW cm - 2的脉冲光激发下,高压高温(HPHT)金刚石样品的光致发光光谱声子翼出现了峰值为λ = 718 nm的NV中心超发光现象。在含有6 ppm NV中心和150 ppm取代氮的金刚石晶体区域观察到超发光;氮含量较低的晶体部分不含氮。在λ = 532 nm处的光激发脉冲前缘观测到超发光脉冲,其FWHM值为4 ns。NV中心的光致发光增强被认为是由于金刚石片的全内反射(波导效应)。
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来源期刊
Quantum Electronics
Quantum Electronics 工程技术-工程:电子与电气
CiteScore
3.00
自引率
11.10%
发文量
95
审稿时长
3-6 weeks
期刊介绍: Quantum Electronics covers the following principal headings Letters Lasers Active Media Interaction of Laser Radiation with Matter Laser Plasma Nonlinear Optical Phenomena Nanotechnologies Quantum Electronic Devices Optical Processing of Information Fiber and Integrated Optics Laser Applications in Technology and Metrology, Biology and Medicine.
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