Remote control of light behavior by transformation optical devices.
Remote control of light behavior by transformation optical devices.
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DOI：
10.1364/oe.18.002049
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发表时间：
2010-02
期刊：
影响因子：
3.8
通讯作者：
Zixian Liang;Xulin Lin;Xunya Jiang
中科院分区：
文献类型：
--
作者：
Zixian Liang;Xulin Lin;Xunya Jiang
基于变换光学原理，提出了一种通用的光行为遥控方法。利用这种方法，可以通过距离变换光学装置在很大范围内调谐腔体的重要系数，即品质因数Q和谐振频率？0，从而实现对光行为的远程控制。为了证实这一原始思想，提出了三种方案，包括远程修改吸收腔输出能量流、远程控制激光行为、远程调谐谐振频率或光子带隙，并通过基于时域有限差分和有限元方法的数值模拟进行了验证。该方法具有不改变或损坏原有器件、调谐范围大、易于隐藏控制器等特殊优点，可广泛应用于未来的光/光或电磁设计中。
Based on the transformation optics, a general method of light-behavior remote control is proposed. From this method, the important coefficients of a cavity, i.e. the quality factor Q and the resonant frequency ?0 could be tuned in a wide range by a transformation optical device in distance, so that the light behavior can be remotely controlled. To confirm this original idea, three schemes, such as, the remote modification of output energy current from an absorptive cavity, the remote control of lasing behaviors, and the remote tuning of the resonant frequency or photonic band-gap, are presented and confirmed by our numerical simulations based on finite-difference time-domain and finite-element methods. With some special advantages, e.g., without physical change or damage of original devices, large tuning range, and easily to hide the controller, this method could be widely used in optical/photonic or electromagnetic designs in the future.