Photon pairs from a biexciton cascade with feedback-controlled polarization entanglement

机译：来自双激子级联的光子对，具有反馈控制的偏振纠缠

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We propose to use a time-delayed quantum-coherent feedback mechanism to increase and control the entanglement of photon pairs emitted by a quantum dot biexciton cascade. The quantum dot biexciton cascade is a well-known source of entangled photons on demand, however excitonic fine-structure splitting decreases the achievable polarization entanglement. We demonstrate that feedback can change the spectrum of the emitted photons in a way that the entanglement is either strongly increased or decreased, depending on the feedback time and phase. We analyze the dependence on parameters such as the delay time and the robustness of the proposed mechanism.

机译：我们建议使用时间延迟量子相干反馈机制来增加和控制量子点双激子级联发射的光子对的纠缠。量子点双激子级联是按需纠缠光子的众所周知的来源，但是激子精细结构分裂降低了可实现的极化纠缠。我们证明了反馈可以改变发射光子的光谱，从而根据反馈时间和相位，强烈地增加或减少纠缠。我们分析了对参数的依赖性，例如延迟时间和所提出机制的鲁棒性。

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《Physics and simulation of optoelectronic devices XXIII》|2015年|93570W.1-93570W.7|共7页
会议地点 San Francisco CA(US)
作者
Sven M. Hein; Franz Schulze; Alexander Carmele; Andreas Knorr;
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作者单位

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

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

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

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

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正文语种 eng
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关键词
Feedback; biexciton; photon entanglement; coherent control;

机译：反馈;双激子光子纠缠；相干控制;

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专利

1. Evaluation of two-photon polarization density matrix of polarization-entangled photon pairs generated through biexciton resonant hyper-parametric scattering [J] . Yamamoto Yasuo, Oohata Goro, Mizoguchi Kohji Journal of the Optical Society of America, B. Optical Physics . 2019,第6期

机译：通过Biexciton谐振超参数散射产生的偏振缠结光子对的两光节偏振密度矩阵的评价
2. From strong to weak temperature dependence of the two-photon entanglement resulting from the biexciton cascade inside a cavity [J] . Seidelmann T., Ungar F., Cygorek M., Physical review . 2019,第24期

机译：腔内双激子级联引起的双光子纠缠从强到弱的温度依赖性
3. From strong to weak temperature dependence of the two-photon entanglement resulting from the biexciton cascade inside a cavity [J] . Seidelmann T., Ungar F., Cygorek M., Physical review . 2019,第24期

机译：从强度到弱温依赖于腔内的Biexciton级联所产生的双光子纠缠依赖性
4. Photon pairs from a biexciton cascade with feedback-controlled polarization entanglement [C] . Sven M. Hein, Franz Schulze, Alexander Carmele, Conference on physics and simulation of optoelectronic devices XXIII . 2015

机译：来自Biexciton级联的光子对，具有反馈控制的极化纠缠
5. Integrated Sources of Polarization Entangled Photon Pair States via Spontaneous Four-Wave Mixing in AlGaAs Waveguides [D] . Kultavewuti, Pisek. 2017

机译：通过AlGaAs波导中的自发四波混频产生的纠缠纠缠光子对态的集成源
6. Cascaded emission of single photons from the biexciton in monolayered WSe2 [O] . Yu-Ming He, Oliver Iff, Nils Lundt, -1

机译：单层WSe2中双激子的单光子级联发射
7. Evaluation of two-photon polarization density matrix of polarization-entangled photon pairs generated through biexciton resonant hyper-parametric scattering [O] . Yasuo Yamamoto, Goro Oohata, Kohji Mizoguchi 2019

机译：通过Biexciton谐振超参数散射产生的偏振缠结光子对的双光子偏振密度矩阵的评价

Photon pairs from a biexciton cascade with feedback-controlled polarization entanglement

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