张利剑-高等光学(一)光学谐振腔基础与微腔应用3.ppt
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1、腔光力学,姜校顺 现代工程与应用科学学院 2014-10-11,腔光力学,参考文献:,V. B. Braginsky, Measurement of weak forces in physics experiments (University of Chicago Press, Chicago, 1977). T. J. Kippenberg and K. J. Vahala, “Cavity opto-mechanics,” Opt. Express 15, 17172-17205 (2007). T. J. Kippenberg and K. J. Vahala, “Cavity opto
2、mechanics: Back-action at the mesoscale,” Science 321, 1172-1176 (2008). I. Favero and K. Karrai, “Optomechanics of deformable optical cavities,” Nat. Photonics 3, 201-205 (2009). F. Marquardt and S. M. Girvin, “Optomechanics,” Physics 2, 40 (2009). D. Van Thourhout and J. Roels, “Optomechanical dev
3、ice actuation through the optical gradient force,” Nat. Photonics 4, 211217 (2010). M. Aspelmeyer, T. J. Kippenberg and F. Marquardt, “Cavity opto-mechanics,” arXiv:1303.0733 (2013).,主要内容,背景 简介 应用,背景,大约400年(1619)以前,开普勒在解释彗尾的运动方向总是背离太阳这一现象时,提出光压的假说。,背景,一个多世纪以后,牛顿提出了光的粒子说,但是他并不接受开普勒的光压学说,却认为彗尾运动方向背离太阳
4、的这一现象与大气中的烟类似。,1873年,麦克斯韦从理论上指出了光压的存在。,20世纪初期由俄国物理学家Lebedev与美国物理学家Nichols和Hull分别在实验得到了验证。,背景,1960年激光问世以后,光力在光镊和激光冷却原子等领域得到了极大的发展并获得了广泛的应用,在较大的尺度(介观或宏观)上是否能观察到光压的现象?,The mutual coupling of optical and mechanical modes was first theoretically studied by V.B. Braginsky, “Measurement of Weak Forces”,Rad
5、iation pressure,Pin,Pcav(),(m,x,Q0),Qm),(0,V. B. Braginsky, Measurement of weak forces in physics experiments ( 1977).,V.B. Braginsky,简介,Cavity optomechanics is an emerging field and began to enter the realm of e cavity quantum optomechanics field.,T. J. Kippenberg et al., Science 321,1172 (2008).,C
6、avity Optomechanical systems: photons coupling to mechanics via radiation pressure.,腔光力学,简介,腔光力系统,M. Aspelmeyer et al., arxiv: 1303. 0733 (20013).,简介,简介,腔光力学,V. B. Braginsky, Measurement of weak forces in physics experiments ( 1977). F. Marquardt and S. M. Girvin, “Optomechanics,” Physics 2, 40 (200
7、9).,腔光力学,简介,为什么要有腔?,It resonantly enhances the circulating intensity, and it makes the intensity depend very sensitively on the position. respond with a time lag.,M. Aspelmeyer, T. J. Kippenberg and F. Marquardt, “Cavity opto-mechanics,” arXiv:1303.0733 (2013).,腔光力学,简介,为什么要有腔?,Mechanical Picture,Sca
8、ttering Picture,应用,引力波探测 精密测量(质量、力、位移) 声子激光器(激声) 基于光力的可调谐光子学器件 生物传感器 微波光子学,量子基态冷却,量子声学?,宏观薛定谔猫 (量子纠缠)态,量子态塌缩,量子信息处理,广义相对论与 量子力学的冲突,.,H. Rokhsari et al., Opt. Express 13, 5293-5301 (2005). T. Carmon, et al., Phys. Rev. Lett. 94, 223902 (2005). T. J. Kippenberg et al., Phys. Rev. Lett. 95, 033901 (200
9、5).,应用,力学振荡器,A. Schliesser, et al. New J. Phys. 10, 095015 (2008).,应用,力学振荡器,力学模式,应用,Abbott, B. et al. Observation of a kilogram-scale oscillator near its quantum ground state. New J. Phys. 11, 073032 (2009).,冷却,Dynamical backaction cooling,S. Gigan et al., Nature 444, 67 (2006). 10K (N740000) O. Arc
10、izet et al., Nature 444, 71 (2006). 10K (N260000) A. Schliesser et al., Phys. Rev. Lett. 97, 243905 (2006). 11K (N3900) T. Corbitt et al., Phys. Rev. Lett. 98, 150802 (2007). 11K (N108) J. D. Thompson et al., Nature 452, 72 (2008). 6.82 mK (N1000),S. Grblacher, et al., Nat. Phys. 5, 485 (2009). N32
11、A. Schliesser, et al., Nat. Phys. 5, 509 (2009). N6320 Y.-S. Park et al., Nat. Phys. 5, 489 (2009). N37,Dynamical backaction cooling + Cryogenic cooling,Cohadon et al., Phys. Rev. Lett. 83, 3174 (1999). 15K (N170 000),Feedback cooling,应用,Abbott, B. et al. Observation of a kilogram-scale oscillator n
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