光子学报
光子學報
광자학보
ACTA PHOTONICA SINICA
2009年
7期
1767-1770
,共4页
周国瑞%冯国英%杨浩%周昊%李林栗
週國瑞%馮國英%楊浩%週昊%李林慄
주국서%풍국영%양호%주호%리림률
纳米光纤%耦合效率%时域有限差分法%倏逝波
納米光纖%耦閤效率%時域有限差分法%倏逝波
납미광섬%우합효솔%시역유한차분법%숙서파
Nanofiber%Coupling efficiency%Finite difference time domain%Evanescent wave
从纳米光纤倏逝波角度出发,采用时域有限差分法数值模拟了两根弯曲纳米光纤耦合区域附近的空间光强分布,给出耦合效率随两弯曲光纤间距、光纤半径、弯曲半径等参量变化的曲线.结果表明:两根纳米光纤之间可以有效传递光能,其耦合效率随两弯曲光纤间距、光纤半径、弯曲半径等参量均有关.
從納米光纖倏逝波角度齣髮,採用時域有限差分法數值模擬瞭兩根彎麯納米光纖耦閤區域附近的空間光彊分佈,給齣耦閤效率隨兩彎麯光纖間距、光纖半徑、彎麯半徑等參量變化的麯線.結果錶明:兩根納米光纖之間可以有效傳遞光能,其耦閤效率隨兩彎麯光纖間距、光纖半徑、彎麯半徑等參量均有關.
종납미광섬숙서파각도출발,채용시역유한차분법수치모의료량근만곡납미광섬우합구역부근적공간광강분포,급출우합효솔수량만곡광섬간거、광섬반경、만곡반경등삼량변화적곡선.결과표명:량근납미광섬지간가이유효전체광능,기우합효솔수량만곡광섬간거、광섬반경、만곡반경등삼량균유관.
Taking into account the evanescent wave of nanofiber,the distribution of light intensity near the two bending nanofiber was numerically calculated using the FDTD method.The coupling efficiency between the bending nanofiber versus diameter,bending radium and the distance between the two fiber was given.It is shown that there is evidence of coupling phenomenon between nanofiber.