Zobrazeno 1 - 10
of 233
pro vyhledávání: '"Zhang Jian-Qi"'
Autor:
Zhang Jian-Qi, Liu Jing-Xin, Zhang Hui-Lai, Gong Zhi-Rui, Zhang Shuo, Yan Lei-Lei, Su Shi-Lei, Jing Hui, Feng Mang
Publikováno v:
Nanophotonics, Vol 11, Iss 6, Pp 1149-1158 (2022)
We propose how to achieve synthetic PT $\mathcal{PT}$ symmetry in optomechanics without using any active medium. We find that harnessing the Stokes process in such a system can lead to the emergence of exceptional point (EP), i.e., the coalescing of
Externí odkaz:
https://doaj.org/article/c97cad21fe4f4485a9ebcf1100732618
Autor:
Bu, Jin-Tao, Zhang, Jian-Qi, Ding, Ge-Yi, Li, Jia-Chong, Zhang, Jia-Wei, Wang, Bin, Ding, Wen-Qiang, Yuan, Wen-Fei, Chen, Liang, Zhong, Qi, Keçebaş, Ali, Özdemir, Şahin K., Zhou, Fei, Jing, Hui, Feng, Mang
Quantum heat engines and refrigerators are open quantum systems, whose dynamics can be well understood using a non-Hermitian formalism. A prominent feature of non-Hermiticity is the existence of exceptional points (EPs), which has no counterpart in c
Externí odkaz:
http://arxiv.org/abs/2405.18927
Publikováno v:
Tongxin xuebao, Vol 30, Pp 67-72 (2009)
A new temporal based target detection algorithm was presented by using static background elimination to deal with the drawback of large scale data processing and real-time implementation in temporal filtering.Firstly,a uniform model was developed bas
Externí odkaz:
https://doaj.org/article/165242900f4f41be8e4b6fb8936e470b
Autor:
Zhang, Shuo, Huang, Zhuo-Peng, Tian, Tian-Ci, Wu, Zheng-Yang, Zhang, Jian-Qi, Bao, Wan-Su, Guo, Chu
Conventional theoretical studies on the ground-state laser cooling of a trapped ion have mostly focused on the weak sideband coupling (WSC) regime, where the cooling rate is inverse proportional to the linewidth of the excited state. In a recent work
Externí odkaz:
http://arxiv.org/abs/2211.08896
Autor:
Zhang, Jian-Qi, Liu, Jing-Xin, Zhang, Hui-Lai, Gong, Zhi-Rui, Zhang, Shuo, Yan, Lei-Lei, Su, Shi-Lei, Jing, Hui, Feng, Mang
Publikováno v:
Nanophotonics 11 1149 (2022)
We propose how to achieve synthetic $\mathcal{PT}$ symmetry in optomechanics without using any active medium. We find that harnessing the Stokes process in such a system can lead to the emergence of exceptional point (EP), i.e., the coalescing of bot
Externí odkaz:
http://arxiv.org/abs/2107.10421
Publikováno v:
New J. Phys. 23, 023018 (2021)
Trapped ion in the Lamb-Dicke regime with the Lamb-Dicke parameter $\eta\ll1$ can be cooled down to its motional ground state using sideband cooling. Standard sideband cooling works in the weak sideband coupling limit, where the sideband coupling str
Externí odkaz:
http://arxiv.org/abs/2011.09613
Realizing highly sensitive interferometry is essential to accurate observation of quantum properties. Here we study two kinds of Ramsey interference fringes in a whispering-gallery resonator, where the coherent phonons for free evolution can be achie
Externí odkaz:
http://arxiv.org/abs/1803.03389
We propose a quantum interference cooling scheme for a nano-mechanical resonator (NAMR) in a hybrid optomechanical system, where the atoms are trapped in an optomechanical cavity, coupling to an additional optical cavity. The absorption of the optome
Externí odkaz:
http://arxiv.org/abs/1802.02337
Publikováno v:
Phys. Rev. A 96, 033832 (2017)
The optomechanics can generate fantastic effects of optics due to appropriate mechanical control. Here we theoretically study effects of slow and fast lights in a single-sided optomechanical cavity with an external force. The force-induced transparen
Externí odkaz:
http://arxiv.org/abs/1705.06200
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