基于FDTD分析的微环腔结构对透射率的影响,"FDTD模拟微环腔结构对透射率的影响研究",FDTD 微环腔 透射率,FDTD; 微环腔; 透射率,FDTD微环腔透射率研究
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基于FDTD分析的微环腔结构对透射率的影响,"FDTD模拟微环腔结构对透射率的影响研究",FDTD 微环腔 透射率,FDTD; 微环腔; 透射率,FDTD微环腔透射率研究 <link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/css/base.min.css" rel="stylesheet"/><link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/css/fancy.min.css" rel="stylesheet"/><link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/90372318/2/raw.css" rel="stylesheet"/><div id="sidebar" style="display: none"><div id="outline"></div></div><div class="pf w0 h0" data-page-no="1" id="pf1"><div class="pc pc1 w0 h0"><img alt="" class="bi x0 y0 w1 h1" src="/image.php?url=https://csdnimg.cn/release/download_crawler_static/90372318/bg1.jpg"/><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">基于<span class="_ _0"> </span><span class="ff2">FDTD<span class="_ _1"> </span></span>算法分析微环腔透射率的研究</div><div class="t m0 x1 h2 y2 ff1 fs0 fc0 sc0 ls0 ws0">一<span class="ff3">、</span>引言</div><div class="t m0 x1 h2 y3 ff1 fs0 fc0 sc0 ls0 ws0">随着光子学技术的快速发展<span class="ff4">，</span>微环腔因其具有优良的光学性能和灵活的可调谐性<span class="ff4">，</span>在光通信<span class="ff3">、</span>光子集</div><div class="t m0 x1 h2 y4 ff1 fs0 fc0 sc0 ls0 ws0">成等领域具有广泛的应用前景<span class="ff3">。</span>在研究微环腔性能时<span class="ff4">，</span>其透射率作为重要的指标<span class="ff4">，</span>需要准确高效的进</div><div class="t m0 x1 h2 y5 ff1 fs0 fc0 sc0 ls0 ws0">行测量和模拟分析<span class="ff3">。</span>本文将基于时域有限差分<span class="ff4">（<span class="ff2">FDTD</span>）</span>算法<span class="ff4">，</span>对微环腔的透射率进行深入的研究和分</div><div class="t m0 x1 h2 y6 ff1 fs0 fc0 sc0 ls0 ws0">析<span class="ff3">。</span></div><div class="t m0 x1 h2 y7 ff1 fs0 fc0 sc0 ls0 ws0">二<span class="ff3">、<span class="ff2">FDTD<span class="_ _1"> </span></span></span>算法简介</div><div class="t m0 x1 h2 y8 ff2 fs0 fc0 sc0 ls0 ws0">FDTD<span class="ff4">（</span>Finite-Difference Time-Domain<span class="ff4">）<span class="ff1">算法是一种用于计算电磁场传播的数值技术<span class="ff3">。</span>它通</span></span></div><div class="t m0 x1 h2 y9 ff1 fs0 fc0 sc0 ls0 ws0">过将麦克斯韦方程组在时间和空间上进行离散化处理<span class="ff4">，</span>从而模拟电磁波在介质中的传播过程<span class="ff3">。<span class="ff2">FDTD</span></span></div><div class="t m0 x1 h2 ya ff1 fs0 fc0 sc0 ls0 ws0">算法具有计算效率高<span class="ff3">、</span>适用范围广等优点<span class="ff4">，</span>被广泛应用于光子学<span class="ff3">、</span>电磁学等领域的研究<span class="ff3">。</span></div><div class="t m0 x1 h2 yb ff1 fs0 fc0 sc0 ls0 ws0">三<span class="ff3">、</span>微环腔结构与透射率</div><div class="t m0 x1 h2 yc ff1 fs0 fc0 sc0 ls0 ws0">微环腔是一种重要的光子器件<span class="ff4">，</span>其结构通常由两个波导和一个环形谐振腔组成<span class="ff3">。</span>当光波在波导中传播</div><div class="t m0 x1 h2 yd ff1 fs0 fc0 sc0 ls0 ws0">时<span class="ff4">，</span>部分光波会耦合到环形谐振腔中<span class="ff4">，</span>形成谐振模式<span class="ff3">。</span>微环腔的透射率是指光波通过波导传播后<span class="ff4">，</span>能</div><div class="t m0 x1 h2 ye ff1 fs0 fc0 sc0 ls0 ws0">够从微环腔中透射出去的比例<span class="ff3">。</span>透射率的大小直接影响到微环腔的光学性能和应用效果<span class="ff3">。</span></div><div class="t m0 x1 h2 yf ff1 fs0 fc0 sc0 ls0 ws0">四<span class="ff3">、</span>基于<span class="_ _0"> </span><span class="ff2">FDTD<span class="_ _1"> </span></span>算法的微环腔透射率分析</div><div class="t m0 x1 h2 y10 ff1 fs0 fc0 sc0 ls0 ws0">利用<span class="_ _0"> </span><span class="ff2">FDTD<span class="_ _1"> </span></span>算法对微环腔进行建模和仿真<span class="ff4">，</span>可以准确计算其透射率<span class="ff3">。</span>首先<span class="ff4">，</span>建立微环腔的几何模型和</div><div class="t m0 x1 h2 y11 ff1 fs0 fc0 sc0 ls0 ws0">光学参数<span class="ff4">；</span>然后<span class="ff4">，</span>通过<span class="_ _0"> </span><span class="ff2">FDTD<span class="_ _1"> </span></span>算法模拟光波在微环腔中的传播过程<span class="ff4">；</span>最后<span class="ff4">，</span>计算并分析透射率的变化</div><div class="t m0 x1 h2 y12 ff1 fs0 fc0 sc0 ls0 ws0">规律<span class="ff3">。</span></div><div class="t m0 x1 h2 y13 ff1 fs0 fc0 sc0 ls0 ws0">在仿真过程中<span class="ff4">，</span>可以调整微环腔的几何参数<span class="ff3">、</span>材料参数等<span class="ff4">，</span>观察透射率的变化情况<span class="ff3">。</span>通过对比不同参</div><div class="t m0 x1 h2 y14 ff1 fs0 fc0 sc0 ls0 ws0">数下的透射率<span class="ff4">，</span>可以找到最优的参数组合<span class="ff4">，</span>以提高微环腔的光学性能<span class="ff3">。</span>此外<span class="ff4">，</span>还可以通过仿真分析微</div><div class="t m0 x1 h2 y15 ff1 fs0 fc0 sc0 ls0 ws0">环腔在不同波长<span class="ff3">、</span>不同入射角度下的透射率变化<span class="ff4">，</span>为实际应用提供理论依据<span class="ff3">。</span></div><div class="t m0 x1 h2 y16 ff1 fs0 fc0 sc0 ls0 ws0">五<span class="ff3">、</span>结论</div><div class="t m0 x1 h2 y17 ff1 fs0 fc0 sc0 ls0 ws0">本文基于<span class="_ _0"> </span><span class="ff2">FDTD<span class="_ _1"> </span></span>算法对微环腔的透射率进行了深入研究和分析<span class="ff3">。</span>通过建立微环腔的几何模型和光学参</div><div class="t m0 x1 h2 y18 ff1 fs0 fc0 sc0 ls0 ws0">数<span class="ff4">，</span>利用<span class="_ _0"> </span><span class="ff2">FDTD<span class="_ _1"> </span></span>算法模拟光波在微环腔中的传播过程<span class="ff4">，</span>计算并分析了透射率的变化规律<span class="ff3">。</span>结果表明<span class="ff4">，</span></div><div class="t m0 x1 h2 y19 ff2 fs0 fc0 sc0 ls0 ws0">FDTD<span class="_ _1"> </span><span class="ff1">算法能够准确计算微环腔的透射率<span class="ff4">，</span>为优化微环腔的光学性能提供了有效的手段<span class="ff3">。</span>同时<span class="ff4">，</span>本文</span></div><div class="t m0 x1 h2 y1a ff1 fs0 fc0 sc0 ls0 ws0">的研究结果还可以为光子集成<span class="ff3">、</span>光通信等领域的应用提供理论依据和技术支持<span class="ff3">。</span></div></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div>