Research Data Supporting "Plasmon-Induced Trap State Emission from Single Quantum Dots"

Zip folder containing optical spectra (.csv files) presented in the publication 'Plasmon-Induced Trap State Emission from Single Quantum Dots'. Each spectrum contains a wavelength (in nm) column and a spectral intensity column that corresponds to a physical quantity specified in the file. Fig1: Photo-luminescence spectrum (b_PL.csv) and extinction spectrum (b_aborbance.csv) of InP/ZnS quantum dots (QDs) in solution. PL spectrum of QDs coupled to the plasmonic cavity (d_PL.csv), dark-field spectrum of the NPoM cavity (d_darkfield.csv), and QD emission spectrum normalised by the cavity resonance (d_PL_norm). Fig2: QD emission spectrum excited by 120 fs pulses at 920nm, for QDs in aqueous phase/air (a_aqueous solution.csv) and dried on glass (a_dried on glass.csv). Power dependence of two-photon excited photoluminescence (2PPL) signals from QD solution (b.csv). Emission spectra of QDs in a NPoM cavity for increasing excitation power (c.csv). Optical power labelled individually. Quadratic power dependence of QD PL in NPoM (d.csv). Fig3: Normalised PL from one-photon-absorption of QDs in NPoM cavity (a_1PPL_NPoM.csv) and on glass (a_1PPL_QD.csv) using CW excitation at 447 nm, along with extinction of QDs in solution (a_QD solution aborbance.csv) and plasmonic cavity resonance (a_cavity scattering.csv). 2PPL spectrum for QDs in NPoM with 860 nm (a_2PPL_NPoM_860nm_ext.csv) and 920 nm (a_2PPL_NPoM_920nm_ext.csv) pulsed excitation, and from QDs dried on glass (a_2PPL trap states (dried QD).csv, one-photon excited trap state emission: a_1PPL trap states (dried QD).csv). 2PPL spectra for a single QD NPoM vs pump excitation tuned from 860 nm to 960 nm (b_2PPL wavelength scan.csv). Integrated 2PPL intensity of QDs in NPoM vs excitation wavelength (c_2PA.csv). Fig4: Ensemble PL from one-photon-absorption of 3 varieties of QDs on glass (a_dried QD band edge emission for three sizes.csv). Trap state PL from TPA of QDs on glass (b_dried QD trap states emission for three sizes.csv) and inside NPoM cavities (b_QD NPoM trap emission for three sizes.csv), using 920 nm pulses. Dark-field spectra of NPoM cavities formed with 3 QDs (d_QD NPoM dark field for three sizes.csv).

本压缩包包含发表于论文《Plasmon-Induced Trap State Emission from Single Quantum Dots》（《等离激元诱导的单量子点陷阱态发射》）中的光学光谱数据，所有数据均以.csv格式存储。每份光谱均包含以纳米（nm）为单位的波长列，以及与文件中指定物理量对应的光谱强度列。

图1：溶液中铟磷/硫化锌量子点（InP/ZnS QDs）的光致发光光谱（b_PL.csv）与消光光谱（b_aborbance.csv）；与等离激元腔耦合的量子点的光致发光光谱（d_PL.csv）、纳米粒子-金属膜（NPoM）腔的暗场光谱（d_darkfield.csv），以及经腔共振归一化后的量子点发射光谱（d_PL_norm.csv）。

图2：分别针对水相/空气中的量子点（a_aqueous solution.csv）与玻璃衬底上干燥的量子点（a_dried on glass.csv），采用920nm、120飞秒脉冲激发得到的量子点发射光谱。此外包含：量子点溶液的双光子激发光致发光（two-photon excited photoluminescence, 2PPL）信号功率依赖关系数据（b.csv）；随激发功率递增的纳米粒子-金属膜腔中量子点的发射光谱（c.csv，各数据标注了具体光功率值）；以及纳米粒子-金属膜腔中量子点光致发光的二次方功率依赖关系数据（d.csv）。

图3：采用447nm连续波（continuous wave, CW）激发时，纳米粒子-金属膜腔中量子点的单光子吸收归一化光致发光光谱（a_1PPL_NPoM.csv）与玻璃衬底上量子点的对应光谱（a_1PPL_QD.csv），同时包含溶液中量子点的消光光谱（a_QD solution aborbance.csv）与等离激元腔的散射共振光谱（a_cavity scattering.csv）。另有以下光谱数据：采用860nm脉冲激发的纳米粒子-金属膜腔中量子点的双光子激发光致发光光谱（a_2PPL_NPoM_860nm_ext.csv）、采用920nm脉冲激发的对应光谱（a_2PPL_NPoM_920nm_ext.csv）；玻璃衬底上干燥量子点的双光子激发光致发光陷阱态光谱（a_2PPL trap states (dried QD).csv）与单光子激发的陷阱态发射光谱（a_1PPL trap states (dried QD).csv）。此外还包含单量子点纳米粒子-金属膜腔的双光子激发光致发光光谱（泵浦激发波长从860nm调谐至960nm的扫描结果，b_2PPL wavelength scan.csv），以及纳米粒子-金属膜腔中量子点的双光子吸收（two-photon absorption, 2PA）积分强度与激发波长的关系数据（c_2PA.csv）。

图4：三种尺寸的量子点在玻璃衬底上的单光子吸收集成光致发光光谱（a_dried QD band edge emission for three sizes.csv）。采用920nm脉冲激发时，玻璃衬底上量子点的双光子吸收陷阱态光致发光光谱（b_dried QD trap states emission for three sizes.csv），以及纳米粒子-金属膜腔中量子点的对应陷阱态发射光谱（b_QD NPoM trap emission for three sizes.csv）。另有由三种量子点制备的纳米粒子-金属膜腔的暗场光谱（d_QD NPoM dark field for three sizes.csv）。