Asymmetric light diffraction of an atomic grating with PT symmetry

Liu Yi-Mou; Gao Feng; Fan Chu-Hui; Wu Jin-Hui

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Asymmetric light diffraction of an atomic grating with PT symmetry

机译：用Pt对称性的原子光栅的不对称光衍射

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Cold atoms trapped in one-dimensional optical lattices and driven to the four-level N configuration are exploited for achieving an electromagnetically induced grating with parity-time-symmetry. This nontrivial grating exhibits unidirectional diffraction patterns, e.g., with incident probe photons diffracted into either negative or positive angles, depending on the sign relation between spatially modulated absorption and dispersion coefficients. Such asymmetric light diffraction is a result of the out-of-phase interplay of amplitude and phase modulations of transmission function and can be easily tuned via optical depth, probe detuning, pump Rabi frequencies, etc. (C) 2017 Optical Society of America

机译：捕获在一维光学晶格中并驱动到四级N配置的冷原子，用于实现具有奇偶校正时对称的电磁诱导的光栅。该非竞争光栅具有单向衍射图案，例如，在空间调制的吸收和分散系数之间的符号关系上，入射探针光子衍射到负角度或正角度。这种不对称光衍射是传动功能的幅度和相位调制的相位外相位的结果，并且可以通过光学深度，探针静脉，泵Rabi频率等容易地调整（C）2017年美国光学学会

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来源
《Optics Letters》 |2017年第21期|共4页
作者
Liu Yi-Mou; Gao Feng; Fan Chu-Hui; Wu Jin-Hui;
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Northeast Normal Univ Ctr Quantum Sci Changchun 130117 Jilin Peoples R China;

Jilin Univ Coll Phys Changchun 130012 Jilin Peoples R China;

Northeast Normal Univ Ctr Quantum Sci Changchun 130117 Jilin Peoples R China;

Northeast Normal Univ Ctr Quantum Sci Changchun 130117 Jilin Peoples R China;

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正文语种 eng
中图分类计量学;光学;
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专利

1. Asymmetric light diffraction of an atomic grating with PT symmetry [J] . Liu Yi-Mou, Gao Feng, Fan Chu-Hui, Optics Letters . 2017,第21期

机译：用Pt对称性的原子光栅的不对称光衍射
2. Asymmetric diffraction by atomic gratings with optical PT symmetry in the Raman-Nath regime [J] . Tao Shui, Wen-Xing Yang, Shaopeng Liu, Physical Review, A . 2018,第3aPta2期

机译：通过拉曼 - Nath制度的光学PT对称的原子光栅的不对称衍射
3. Nonlinear light diffraction by electromagnetically induced gratings with PT symmetry in a Rydberg atomic gas [J] . Physical Review, A . 2019,第4aPta2期

机译：通过电磁诱导的rydberg原子气体的Pt对称性的非线性光衍射
4. Nanodiamond-polymer composite gratings as diffractive optical elements for light and neutrons: I. Their fabrication and light optical diffraction properties [C] . Yasuo Tomita, Akihisa Kageyama, Yuki Iso, Conference on Photosensitive Materials and their Applications . 2020

机译：纳米金刚石-聚合物复合光栅作为光和中子衍射光学元件：I.它们的制造和光光学衍射特性
5. Electro-optical properties and dynamic light scattering studies of polymer-stabilized cholesteric diffraction gratings. [D] . Kang, Kyongok. 2003

机译：聚合物稳定的胆甾型衍射光栅的电光特性和动态光散射研究。
6. Laser light routing in an elongated micromachined vapor cell with diffraction gratings for atomic clock applications [O] . Ravinder Chutani, Vincent Maurice, Nicolas Passilly, -1

机译：具有原子光栅应用的带有衍射光栅的细长微机械蒸气室中的激光路由
7. Nonlinear light diffraction by electromagnetically induced gratings with PT symmetry in a Rydberg atomic gas [O] . Chao Hang, Weibin Li, Guoxiang Huang 2019

机译：通过电磁诱导的rydberg原子气体的Pt对称性的非线性光衍射

Asymmetric light diffraction of an atomic grating with PT symmetry

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