Excitonic effects in intraband quantum dot spectroscopy: Formation of bound continuum excitons

Sandra C. Kuhn; Marten Richter

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Excitonic effects in intraband quantum dot spectroscopy: Formation of bound continuum excitons

机译：带内量子点光谱中的激子效应：束缚连续激子的形成

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We study intraband spectra, resulting from intraband transitions between the bound ground state of a semiconductor quantum dot and unbound continuum states in the host medium. The influence of excitonic coupling on these intraband absorption spectra and the formation of special excitons are discussed. Involving Coulomb coupled bound-to-continuum transitions, the spectra show the formation of bound excitons at the continuum edge and spectral shifts. The analyzed intraband absorption spectra exhibit different signatures for different initial carrier configurations.

机译：我们研究带内光谱，这是由半导体量子点的束缚基态与宿主介质中未束缚的连续谱态之间的带内跃迁引起的。讨论了激子耦合对这些带内吸收光谱和特殊激子形成的影响。涉及库仑耦合的束缚-连续跃迁，光谱显示束缚激子在连续谱边缘和光谱位移处的形成。对于不同的初始载波配置，分析后的带内吸收光谱显示出不同的特征。

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来源
《Physical review》 |2014年第12期|125308.1-125308.6|共6页
作者
Sandra C. Kuhn; Marten Richter;
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作者单位

Institut fuer Theoretische Physik, Nichtlineare Optik und Quantenelektronik, Technische Universitaet Berlin, Hardenbergstrasse 36, EW 7-1, 10623, Berlin, Germany;

Institut fuer Theoretische Physik, Nichtlineare Optik und Quantenelektronik, Technische Universitaet Berlin, Hardenbergstrasse 36, EW 7-1, 10623, Berlin, Germany;

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collective excitations (including excitons, polarons, plasmons and other charge-density excitations); spin echoes; optical properties of low-dimensional, mesoscopic, and nanoscale materials and structures;

机译：集体激发（包括激子;极化子;等离激元和其他电荷密度激发）;自旋回波低维;介观和纳米级材料和结构的光学特性;

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2. Bound-to-continuum intraband transition properties in InAs/GaAs quantum dot superlattice solar cells [J] . Harada Yukihiro, Asahi Shigeo, Kita Takashi Annales de l'I.H.P . 2019,第12期

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3. Intraband carrier dynamics in InAs/GaAs quantum dots stimulated by bound-to-continuum excitation [J] . Yukihiro Harada, Tsuyoshi Maeda, Takashi Kita Journal of Applied Physics . 2013,第22期

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4. Excitonic effects in quantum dot intraband spectroscopy indicating the formation of bound continuum excitons [C] . Sandra C. Kuhn, Marten Richter Conference on ultrafast phenomena and nanophotonics . 2016

机译：量子点带内光谱中的激子效应表明束缚的连续激子的形成
5. Two-Dimensional Raman–Two-Dimensional Electronic Spectroscopy: From Isolating Ground–State Vibrational Coherences to Exciton–Phonon Spectroscopy of Quantum Dots [D] . Hutson, William Orin. 2018

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6. Magnetic field effect on the energy levels of an exciton in a GaAs quantum dot: Application for excitonic lasers [O] . K. Luhluh Jahan, A. Boda, I. V. Shankar, -1

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机译：Majorana绑定状态在连续体中：Majorana绑定状态和由连续统计能谱介导的量子点之间的耦合

Excitonic effects in intraband quantum dot spectroscopy: Formation of bound continuum excitons

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