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| 1 | Femtosecond laser 3D fabrication of whispering-gallerymode microcavities显示文摘Whispering-gallery-mode(WGM) microcavities with high-quality factors and small volumes have attracted intense interests in the past decades because of their potential applications in various research fields such as quantum information, sensing, and optoelectronics. This leads to rapid advance in a variety of processing technologies that can create high-quality WGM micro-cavities. Due to the unique characteristics of femtosecond laser pulses with high peak intensity and ultrashort pulse duration, femtosecond laser shows the ability to carry out ultrahigh precision micromachining of a variety of transparent materials through nonlinear multiphoton absorption and tunneling ionization. This review paper describes the basic principle of femtosecond laser direct writing, and presents an overview of recent progress concerning femtosecond laser three-dimensional(3D) fabrications of optical WGM microcavities, which include the advances in the fabrications of passive and active WGMs microcavities in a variety of materials such as polymer, glass and crystals, as well as in processing the integrated WGM-microcavity device. Lastly, a summary of this dynamic field with a future perspective is given. | XU HuaiLiang SUN HongBo | 2015 | Science China(Physics,Mechanics & Astronomy)2015，58，11： | 5 |
| 2 | Brillouin cavity optomechanics sensing with enhanced dynamical backaction显示文摘Based on the dispersive interaction between a high quality factor microcavity and nano-objects,whisperinggallery-mode microcavities have been widely used in highly sensitive sensing.Here,we propose a novel method to enhance the sensitivity of the optical frequency shift and reduce the impact of the laser frequency noise on the detection resolution through Brillouin cavity optomechanics in a parity-time symmetric system.The optical spring effect is sensitive to the perturbation of optical modes around the exceptional point.By monitoring the shift of the mechanical frequency,the detection sensitivity for the optical frequency shift is enhanced by 2 orders of magnitude compared with conventional approaches.We find the optical spring effect is robust to the laser frequency noise around the exceptional point,which can reduce the detection limitation caused by the laser frequency instability.Thus,our method can improve the sensing ability for nano-object sensing and other techniques based on the frequency shift of the optical mode. | GUO-QING QIN MIN WANG JING-WEI WEN DONG RUAN GUI-LU LONG | 2019 | Photonics Research2019，7，12： | 4 |
| 3 | 新型微光机电系统惯性测量技术研究进展显示文摘微惯性测量单元(MIMU)是惯性导航系统(INS)的核心组件,亦是构建微定位导航授时(μ-PNT)系统的重要组成部分。当前成熟的微惯性测量单元主要基于微机电系统(MEMS)实现,其性能逐渐难以满足新型无人驾驶车、无人飞行器以及制导弹药、航空航天器等军民用领域对高精确惯性导航的需求。近年来,各种新型微惯性测量技术相继被提出,以期望突破微惯性测量单元的性能与尺寸、质量、功耗(SWaP)之间相互制约的关键技术难题。系统总结了近年来国内外在常规MEMS惯性测量技术以及新型微光机电系统(MOEMS)惯性测量、微腔光力惯性测量、量子精密测量等几类新型惯性测量技术方面的研究进展,展望了未来新型高精度惯性测量技术的发展趋势,并提出了一种基于腔光力系统的量子增强型惯性测量技术构想。 | 黄勇军 李昕蔚 吴江波 闫兴 陈鼎威 李建 文光俊 | 2022 | 导航定位与授时2022，9，3： | 3 |
| 4 | Optomechanically induced amplification and perfect transparency in double-cavity optomechanics显示文摘我们在一个双洞 optomechanical 系统学习 optomechanically 导致的扩大和完美的透明性。如果有适当振幅和 detunings 的二控制激光被使用驾驶系统,我们发现那,探查激光的 optomechanically 导致的扩大能发生。另外,完美的 optomechanically 导致的透明性,对机械驱散柔韧,能被开车的一样的类型认识到。这些结果在量信息处理向信号扩大,轻存储,快光,和慢光显示重要进步。 | Xiao-Bo Yan W. Z. Jia Yong Li Jin-Hui Wu | 2015 | Frontiers of physics2015，10，3： | 3 |
| 5 | Photon-phonon squeezing and entanglement in a cavity optomechanical system with a flying atom显示文摘We study the quadrature squeezing and entanglement in a cavity optomechanical system (COMS). In our model, a flying atom sequentially passes through and interacts with the COMS and a Ramsey pulse zone, and subsequently the atomic state is detected. In this way, the photon-phonon squeezing and entanglement can be generated. The dynamic evolution of the squeezing and entanglement in the presence of losses are examined by using the master equation method. | Jun-Hao Liu Yu-Bao Zhang Ya-Fei Yu Zhi-Ming Zhang | 2019 | Frontiers of physics2019，14，1： | 3 |
| 6 | Perfect optical nonreciprocity in a double-cavity optomechanical system显示文摘Nonreciprocal devices are indispen.sablo for building quantuin networks and ubiquitous in modern communication technology.Here,we propose to take advantage of the interference between optome-chanical interaction and lincarly-couplcd interaction to realize optical nonreciprocal transmission in a double-cavity optomechanical system.Particularly,we have derived essential conditions for perfect optical nonrcciprocity ancl analysed properties of the optical nonreciprocal transmission.These results can be used to control optical transmission in quantum information processing. | Xiao-Bo Yan He-Lin Lu Feng Gao Liu Yang | 2019 | Frontiers of physics2019，14，5： | 3 |
| 7 | 用于加速度计的硅基拉链光子晶体腔光机系统显示文摘基于光子晶体微腔的腔光机加速度计将机械谐振子及高品质因数光子晶体腔相结合,其中的机械振子在机械震荡模式下对微弱力/位移敏感的特性,可以实现极低的噪声水平,理论上能够达到标准量子噪声极限,是高精度加速度计的重要发展方向。对拉链式光子晶体腔光机加速度计的原理和结构特点进行分析,设计了一种应用于加速度计的硅基拉链式光子晶体腔和机械振子结构。分析了拉链腔的结构参数对光学Q值的影响,通过调节结构参数将光腔的谐振频率控制在195 THz附近,并分析了机械振子和光腔的机械谐振特性,光腔的有效质量为30 pg,加上机械振子后有效质量为3.1 ng,光机耦合率达到GHz/nm量级,为基于硅基拉链腔加速度计的制造和表征提供了指导。 | 谭红宇 姚远 | 2023 | 光学与光电技术2023，21，6： | 0 |
| 8 | Optomechanical properties of a degenera te nonperiodic cavity chain显示文摘The absorption of single-cav计y and double-cavity optomechanical systems and periodic optomechanical lattices has previously been investigated extensively. In this paper, we present the absorption of a nonperiodic cavity chain. where the absorption value on the resonance point shows switchable dips or peaks, according to whether the optomechanical interaction is at an odd or even-numbered position in the chain. Meanwhile, the value of absorption due to the optomechanical interaction varies with the number of the bare cavities. The calculated results may have some novel applications, such as detecting the position of the movable mirror in a long cavity chain, which would be useful in quantum information processing based on optomechanical systems. | Miao-Miao Zhao Zhuo Qian Bang-Pin Hou Yong Liu Yong-Hong Zhao | 2019 | Frontiers of physics2019，14，2： | 0 |
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