首页|Investigation on two-dimensional photonic crystal self-collimation splitting sensor
Investigation on two-dimensional photonic crystal self-collimation splitting sensor
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NETL
NSTL
Trans Tech Publications Ltd
A self-collimation splitting sensor truncated in a two-dimensional (2D) photonic crystal has been proposed and demonstrated theoretically. Intensity of transmitted light and reflected light, which varies with the width of the splitter, is detected at two output ports. Calculation results validated by the 2D finite-difference time-domain technique show that with the increase of width, the transmittivity decreases while the reflectivity increases and their summation decreases. Considering the trade-off between the sensitivity of the optical detector and the loss of power, including the difficulty of fabrication, the width of 0.4a is meet for the sensor. The simulated relative intensity monotonously increases from 1.63 to 2.94 nonlinearly.
photonic crystalself-collimationsplittersensor
Yufei Wang、Guozhong Lai、Jianfeng Zhang、Fuzhong Lin、Xiong Liang、Xiyao Chen、Huiye Qiu、Yuxia Su
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School of Physics and Electromechanical Engineering, Longyan University, Longyan 364012, China
Dept. of Physics and Electronic Information Engineering, Minjiang University, Fuzhou 350108, China
NETL
NSTL
Trans Tech Publications Ltd
