| Analytic solutions of Bloch equations with phase term for two-pulse photon echo by the phase modulation pulses |
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| 作者姓名： | 马秀荣 邓文星 单云龙 |
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| 作者单位： | Communication Technology |
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| 基金项目： | This work has been supported by the Tianjin Research Program Application Foundation and Advanced Technology(No.15JCQNJC01100)。 |
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| 摘 要： | In this paper, a method is proposed to obtain the analytical solutions of Bloch equations with phase term by using the elementary matrix transform. The effect of the initial phase on the components of Bloch vector is discussed. The result shows that by considering the initial phase of the input pulse, the amplitudes of the in-phase component and the in-quadrature component can be dynamically controlled, meanwhile the population inversion is almost immune to the initial phase. Additionally, the signal electric field expressions of the phase effect of two-pulse photon echo(2 PE) is derived, which is also modulated by the initial phase.
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| 关 键 词： | transform. phase. BLOCH |
| 收稿时间： | 2019/11/24 0:00:00 |
| 修稿时间： | 2020/2/17 0:00:00 |
Analytic solutions of Bloch equations with phase term for two-pulse photon echo by the phase modulation pulses |
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| MA Xiu-rong,DENG Wen-xing and SHAN Yun-long.Analytic solutions of Bloch equations with phase term for two-pulse photon echo by the phase modulation pulses[J].Opto-electronics Letters,2021,17(2):118-122. |
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| Authors: | MA Xiu-rong DENG Wen-xing and SHAN Yun-long |
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| Affiliation: | Tianjin Key Laboratory of Film Electronic and Communication Device, Engineering Research Center of Optoelectronic Devices & Communication Technology, Ministry of Education, School of Electrical and Electronic Engineering, Tianjin University of Technology, Tianjin 300384, China 1,Tianjin Key Laboratory of Film Electronic and Communication Device, Engineering Research Center of Optoelectronic Devices & Communication Technology, Ministry of Education, School of Electrical and Electronic Engineering, Tianjin University of Technology, Tianjin 300384, China 1 and Tianjin Key Laboratory of Film Electronic and Communication Device, Engineering Research Center of Optoelectronic Devices & Communication Technology, Ministry of Education, School of Electrical and Electronic Engineering, Tianjin University of Technology, Tianjin 300384, China 1 |
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| Abstract: | In this paper, a method is proposed to obtain the analytical solutions of Bloch equations with phase term by using the elementary matrix transform. The effect of the initial phase on the components of Bloch vector is discussed. The result shows that by considering the initial phase of the input pulse, the amplitudes of the in-phase component and the in-quadrature component can be dynamically controlled, meanwhile the population inversion is almost immune to the initial phase. Additionally, the signal electric field expressions of the phase effect of two-pulse photon echo (2PE) is derived, which is also modulated by the initial phase. |
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