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Exceptional Points in Random-Defect Phonon Lasers
Lu, H.; Ozdemir, S. K.; Kuang, L. -M.; Nori, Franco; Jing, H.; sko9@psu.edu; fnori@riken.jp; jinghui73@gmail.com
2017
发表期刊Phys. Rev. Appl.
卷号8期号:4
摘要Intrinsic defects in optomechanical devices are generally viewed to be detrimental for achieving coherent amplification of phonons, and great care has thus been exercised in fabricating devices and materials with no (or a minimal number of) defects. Contrary to this view, here we show that, by surpassing an exceptional point (EP), both the mechanical gain and the phonon number can be enhanced despite increasing defect losses. This counterintuitive effect, well described by an effective non-Hermitian phonon-defect model, provides a mechanical analog of the loss-induced purely optical lasing. This opens the way to operating random-defect phonon devices at EPs.
文章类型Article
部门归属量光
DOI10.1103/PhysRevApplied.8.044020
资助者973 Program [2013CB921804]; National Natural Science Foundation of China [11375060, 11434011, 11474087, 11774086]; ARO Grant [W911NF-16-1-0339]; Pennsylvania State University Materials Research Institute; RIKEN iTHES Project; MURI Center for Dynamic Magneto-Optics via AFOSR [FA9550-14-1-0040]; IMPACT program of JST, CREST [JPMJCR1676]; JSPS; Sir John Templeton Foundation ; 973 Program [2013CB921804]; National Natural Science Foundation of China [11375060, 11434011, 11474087, 11774086]; ARO Grant [W911NF-16-1-0339]; Pennsylvania State University Materials Research Institute; RIKEN iTHES Project; MURI Center for Dynamic Magneto-Optics via AFOSR [FA9550-14-1-0040]; IMPACT program of JST, CREST [JPMJCR1676]; JSPS; Sir John Templeton Foundation ; 973 Program [2013CB921804]; National Natural Science Foundation of China [11375060, 11434011, 11474087, 11774086]; ARO Grant [W911NF-16-1-0339]; Pennsylvania State University Materials Research Institute; RIKEN iTHES Project; MURI Center for Dynamic Magneto-Optics via AFOSR [FA9550-14-1-0040]; IMPACT program of JST, CREST [JPMJCR1676]; JSPS; Sir John Templeton Foundation ; 973 Program [2013CB921804]; National Natural Science Foundation of China [11375060, 11434011, 11474087, 11774086]; ARO Grant [W911NF-16-1-0339]; Pennsylvania State University Materials Research Institute; RIKEN iTHES Project; MURI Center for Dynamic Magneto-Optics via AFOSR [FA9550-14-1-0040]; IMPACT program of JST, CREST [JPMJCR1676]; JSPS; Sir John Templeton Foundation
收录类别SCI
资助者973 Program [2013CB921804]; National Natural Science Foundation of China [11375060, 11434011, 11474087, 11774086]; ARO Grant [W911NF-16-1-0339]; Pennsylvania State University Materials Research Institute; RIKEN iTHES Project; MURI Center for Dynamic Magneto-Optics via AFOSR [FA9550-14-1-0040]; IMPACT program of JST, CREST [JPMJCR1676]; JSPS; Sir John Templeton Foundation ; 973 Program [2013CB921804]; National Natural Science Foundation of China [11375060, 11434011, 11474087, 11774086]; ARO Grant [W911NF-16-1-0339]; Pennsylvania State University Materials Research Institute; RIKEN iTHES Project; MURI Center for Dynamic Magneto-Optics via AFOSR [FA9550-14-1-0040]; IMPACT program of JST, CREST [JPMJCR1676]; JSPS; Sir John Templeton Foundation ; 973 Program [2013CB921804]; National Natural Science Foundation of China [11375060, 11434011, 11474087, 11774086]; ARO Grant [W911NF-16-1-0339]; Pennsylvania State University Materials Research Institute; RIKEN iTHES Project; MURI Center for Dynamic Magneto-Optics via AFOSR [FA9550-14-1-0040]; IMPACT program of JST, CREST [JPMJCR1676]; JSPS; Sir John Templeton Foundation ; 973 Program [2013CB921804]; National Natural Science Foundation of China [11375060, 11434011, 11474087, 11774086]; ARO Grant [W911NF-16-1-0339]; Pennsylvania State University Materials Research Institute; RIKEN iTHES Project; MURI Center for Dynamic Magneto-Optics via AFOSR [FA9550-14-1-0040]; IMPACT program of JST, CREST [JPMJCR1676]; JSPS; Sir John Templeton Foundation
WOS记录号WOS:000413862800004
引用统计
被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.siom.ac.cn/handle/181231/27779
专题量子光学重点实验室
通讯作者sko9@psu.edu; fnori@riken.jp; jinghui73@gmail.com
作者单位中国科学院上海光学精密机械研究所
推荐引用方式
GB/T 7714
Lu, H.,Ozdemir, S. K.,Kuang, L. -M.,et al. Exceptional Points in Random-Defect Phonon Lasers[J]. Phys. Rev. Appl.,2017,8(4).
APA Lu, H..,Ozdemir, S. K..,Kuang, L. -M..,Nori, Franco.,Jing, H..,...&jinghui73@gmail.com.(2017).Exceptional Points in Random-Defect Phonon Lasers.Phys. Rev. Appl.,8(4).
MLA Lu, H.,et al."Exceptional Points in Random-Defect Phonon Lasers".Phys. Rev. Appl. 8.4(2017).
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