Polarization-dependent difference of the power spectra from two-dimensional random media with different shapes  被引量:3

Polarization-dependent difference of the power spectra from two-dimensional random media with different shapes

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作  者:LIU Hai LIU JinSong LU JianTao WANG KeJia 

机构地区:[1]Wuhan National Laboratory for Optoelectronics, School of Optoelectronic Science and Engineering, Huazhong University of Sci-ence and Technology, Wuhan 430074, China [2]School of Information and Electrical Engineering, China University of Mining and Technology, Xuzhou 221116, China

出  处:《Chinese Science Bulletin》2009年第18期3215-3219,共5页

基  金:Supported by the National Natural Science Foundation of China (Grant Nos. 60778003, 60378001 and 10876080)

摘  要:Polarization-dependent difference of the power spectra from a set of two-dimensional (2D) passive random media is investigated by simultaneously solving Maxwell’s equations for both transverse magnetic (TM) and transverse electric (TE) fields. The random media have the same random constitution but different shapes. Results show that both two polarized states are morphology dependent, and the variety of the shapes has more influence on the selection of TM polarized modes than that of TE polarized modes. Such polarization-dependent difference of morphology property presents a new modeselecting technique for random lasers.Polarization-dependent difference of the power spectra from a set of two-dimensional (2D) passive random media is investigated by simultaneously solving Maxwell's equations for both transverse magnetic (TM) and transverse electric (TE) fields. The random media have the same random constitution but different shapes. Results show that both two polarized states are morphology dependent, and the variety of the shapes has more influence on the selection of TM polarized modes than that of TE polarized modes. Such polarization-dependent difference of morphology property presents a new modeselecting technique for random lasers.

关 键 词:随机介质 功率谱 形状 二维 偏振 依赖性 麦克斯韦方程组 极化状态 

分 类 号:TN011[电子电信—物理电子学] TN911.6

 

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