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\u5927\u5bb6\u597d\uff0c\u6211\u662f\u5c0f\u67a3\u541b\u3002<\/span><\/p>\n

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\u4eca\u5929\u8fd9\u7bc7\u6587\u7ae0\uff0c\u6211\u7ed9\u5927\u5bb6\u505a\u4e00\u4e2a\u7b80\u8981\u4ecb\u7ecd\u548c\u5bf9\u6bd4\u3002
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WDM\uff0c\u82f1\u6587\u5168\u79f0\u662fWavelength Division Multiplexing\uff0c<\/span>\u6ce2\u5206\u590d\u7528\u3002\u5b83<\/span>\u662f\u5c06\u591a\u79cd\u4e0d\u540c\u6ce2\u957f\u7684\u5149\u4fe1\u53f7\u901a\u8fc7\u5408\u6ce2\u5668\u6c47\u5408\u5728\u4e00\u8d77\uff0c\u5e76\u8026\u5408\u5230\u540c\u4e00\u6839\u5149\u7ea4\u4e2d\uff0c\u4ee5\u6b64\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u7684\u6280\u672f\u3002<\/span><\/span><\/span><\/p>\n

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WDM\u7684\u5de5\u4f5c\u539f\u7406<\/span><\/p>\n

\u6ce2\u957f\u00d7\u9891\u7387=\u5149\u901f\uff08\u6052\u5b9a\u503c\uff09\uff0c\u6240\u4ee5\u6ce2\u5206\u590d\u7528\u5176\u5b9e\u5c31\u662f\u9891\u5206\u590d\u7528<\/span><\/p>\n


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\u7b80\u5355\u6765\u8bf4\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u628aWDM\u770b\u4f5c\u662f\u4e00\u4e2a\u9ad8\u901f\u516c\u8def\u2014\u2014\u4e0d\u540c\u7c7b\u578b\u7684\u8f66\u8f86\u6d8c\u5165\u8fd9\u6761\u516c\u8def\uff0c\u5230\u4e86\u76ee\u7684\u5730\u4e4b\u540e\u518d\u5206\u9053\u626c\u9573\u3002<\/span><\/p>\n


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WDM\u7684\u4f5c\u7528\uff0c\u5c31\u662f\u63d0\u5347\u5149\u7ea4\u7684\u4f20\u8f93\u5bb9\u91cf\uff0c\u63d0\u9ad8\u5149\u7ea4\u8d44\u6e90\u7684\u5229\u7528\u6548\u7387\u3002
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\u5bf9\u4e8eWDM\u7cfb\u7edf\u6765\u8bf4\uff0c\u60f3\u8981\u8ba9\u5b83\u6b63\u5e38\u5de5\u4f5c\uff0c\u663e\u7136\u8981\u63a7\u5236\u5404\u4e2a\u5149\u4fe1\u53f7\u7684\u6ce2\u957f\uff08\u9891\u7387\uff09\u3002\u5982\u679c\u6ce2\u957f\u95f4\u9694\u592a\u77ed\uff0c\u5bb9\u6613\u201c\u649e\u8f66\u201d\u3002\u5982\u679c\u6ce2\u957f\u95f4\u9694\u592a\u957f\uff0c\u5229\u7528\u7387\u53c8\u5f88\u4f4e\u3002
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\u540e\u6765\uff0c\u6280\u672f\u8d8a\u6765\u8d8a\u5148\u8fdb\uff0c\u6ce2\u957f\u95f4\u9694\u538b\u5f97\u8d8a\u6765\u8d8a\u77ed\uff0c\u5230\u4e86\u51e0nm\u7684\u7ea7\u522b\uff0c\u5c31\u6210\u4e86\u7d27\u5bc6\u7684WDM\uff0c\u53eb\u505a\u5bc6\u96c6\u6ce2\u5206\u590d\u7528\uff0c\u5c31\u662fDWDM\uff08Dense WDM\uff09\u3002<\/span><\/p>\n

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CWDM\u7684\u6ce2\u957f\u95f4\u969420nm\uff0c\u6ce2\u957f\u8303\u56f4\u4ece1270nm \u52301610nm\uff0c\u670918\u4e2a\u6ce2\u6bb5\u3002<\/span><\/p>\n


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CWDM 18\u4e2a\u6ce2\u6bb5\u7684\u4e2d\u5fc3\u6ce2\u957f<\/span><\/p>\n

\u6700\u5f00\u59cb\u7684\u65f6\u5019\uff0cITU\u5bf9CWDM\uff08ITU-T G.694.2\uff09\u89c4\u5b9a\u7684\u6ce2\u957f\u8303\u56f4\u4e3a1270\u81f31610nm\u3002<\/span><\/p>\n

\u540e\u6765ITU\u6539\u4e86\u4e00\u4e0b\uff0c\u5c06\u901a\u9053\u4e2d\u5fc3\u504f\u79fb\u4e861nm\uff0c\u6240\u4ee5\u4e2d\u5fc3\u6ce2\u957f\u4e3a1271\u81f31611 nm\u3002<\/span><\/p>\n

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\u4e0d\u8fc7\uff0c\u56e0\u4e3a1270-1470nm\u6ce2\u6bb5\u6709\u660e\u663e\u7684\u8870\u51cf\u589e\u52a0\uff0c\u5f88\u591a\u65e7\u578b\u5149\u7ea4\u4e0d\u80fd\u6b63\u5e38\u4f7f\u7528\uff0c\u6240\u4ee5CWDM\u4e00\u822c\u4f18\u5148\u4f7f\u75281470~1610nm\u76848\u4e2a\u6ce2\u6bb5\u3002<\/span><\/p>\n

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\u800cDWDM\u7684\u6ce2\u957f\u95f4\u9694\u53ef\u4ee5\u662f1.6nm\u30010.8nm\u30010.4nm\u30010.2nm\uff0c\u53ef\u4ee5\u5bb9\u7eb340\u300180\u3001160\u4e2a\u6ce2\uff08\u6700\u5927\u53ef\u652f\u6301192\u6ce2\uff09\u3002DWDM\u7684\u6ce2\u957f\u8303\u56f4\u4e3a1525nm\u81f31565nm\uff08C\u6ce2\u6bb5\uff09\u548c1570nm\u81f31610nm\uff08L\u6ce2\u6bb5\uff09\u3002<\/span><\/p>\n

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DWDM\u5e38\u7528C\u6ce2\u6bb5\uff0c\u6ce2\u957f\u95f4\u96940.4nm\uff0c\u901a\u8def\u9891\u7387\u95f4\u969450GHz<\/span><\/p>\n

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\u6c47\u603b\u5bf9\u6bd4\u4e00\u4e0b\uff0c\u5c31\u662f\u8fd9\u6837\uff1a<\/span><\/p>\n


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CWDM\u548cDWDM\u6bd4\u8f83\u5e38\u89c1\uff0c\u63a5\u4e0b\u6765\u6211\u6765\u8bf4\u8bf4MWDM<\/strong>\u548cLWDM<\/strong>\u3002
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MWDM\uff0c\u662f\u4e2d\u7b49\u6ce2\u5206\u590d\u7528\u3002\u8fd9\u4e2a\u662f\u4e2d\u56fd\u79fb\u52a8\u7684\u6700\u7231\uff0c\u968f\u7740\u5b83\u7684\u534a\u6709\u6e90\u524d\u4f20\u65b9\u6848\uff08\u4e5f\u79f0Open WDM\uff09\u4e00\u8d77\u63d0\u51fa\u7684\u3002
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\u6628\u5929\u6211\u4ecb\u7ecd5G\u524d\u4f20\u7684\u65f6\u5019\u8bf4\u8fc7\uff0c\u73b0\u57285G\u524d\u4f20\u90fd\u8981\u6c42\u81f3\u5c1112\u4e2a\u6ce2\u957f\u901a\u9053\uff0c\u6240\u4ee5\uff0c\u4e09\u5927\u8fd0\u8425\u5546\u7684\u65b9\u6848\uff0c\u90fd\u4ee5\u5b9e\u73b012\u6ce2\u4e3a\u76ee\u7684\u3002<\/span><\/p>\n


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5G\u524d\u4f20\u7684\u57fa\u672c\u573a\u666f<\/span><\/p>\n

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MWDM\u7684\u539f\u7406\uff0c\u5c31\u662f\u91cd\u752825G CWDM\u524d6\u6ce2\uff0c\u901a\u8fc7\u589e\u52a0TEC\uff08Thermal Electronic Cooler, \u534a\u5bfc\u4f53\u5236\u51b7\u5668\uff09\u6e29\u5ea6\u63a7\u5236\uff0c\u5de6\u53f3\u504f\u79fb3.5nm\u6ce2\u957f\uff0c\u5f62\u621012\u4e2a\u6ce2\u957f\uff0c\u65b9\u6848\u5982\u4e0b\uff1a<\/span><\/p>\n

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6\u6ce2\u53d812\u6ce2<\/span><\/p>\n

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\u8fd9\u79cd\u65b9\u6848\u65e2\u91cd\u7528\u4e86CWDM\u7684\u4ea7\u4e1a\u94fe\uff0c\u4e5f\u80fd\u591f\u6ee1\u8db3\u4e2d\u79fb\u81ea\u5df1\u768410km\u524d\u4f20\u8ddd\u79bb\u9700\u6c42\uff0c\u540c\u65f6\u4e5f\u8282\u7ea6\u4e86\u5927\u91cf\u7684\u5149\u7ea4\u8d44\u6e90\uff0c\u53ef\u8c13\u4e00\u4e3e\u591a\u5f97\u3002
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\u518d\u6765\u770b\u770bLWDM\u3002<\/span><\/p>\n

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LWDM\u662f\u57fa\u4e8e\u4ee5\u592a\u7f51\u901a\u9053\u7684\u6ce2\u5206\u590d\u7528\uff08LAN WDM\uff09\uff0c\u4e5f\u6709\u4eba\u79f0\u4e4b\u4e3a\u7ec6\u6ce2\u5206\u590d\u7528\u3002
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\u5b83\u662f\u6309\u7167800GHz\u7684\u901a\u9053\u95f4\u9694\uff0c\u4ece\u5df2\u6709\u76848\u6ce2\u6269\u5c55\u523012\u6ce2\u3002\u6ce2\u957f\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/span><\/p>\n

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LWDM\u768412\u4e2a\u6ce2<\/span><\/p>\n

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DML\u6307\u7684\u662f\u5149\u6a21\u5757\u7684TOSA\u53d1\u9001\u7aef\u7684\u76f4\u63a5\u8c03\u5236\u5668\u6fc0\u5149\u5668\uff08Directly Modulated Laser\uff09\uff0c\u4e0e\u4e4b\u5bf9\u5e94\u7684\u662fEML\uff08Electlro-absorption Modulated Laser\uff0c\u7535\u5438\u6536\u8c03\u5236\u6fc0\u5149\u5668\uff09\u3002EML\u6210\u672c\u66f4\u9ad8\u3002<\/span><\/span>PIN\u6307\u7684\u5149\u6a21\u5757ROSA\u63a5\u6536\u7aef\u7684\u4e8c\u6781\u7ba1\u3002<\/span><\/p>\n


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\u5149\u6a21\u5757\u7684\u67b6\u7ed3\u6784<\/span><\/p>\n

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LWDM\u662f\u4e2d\u56fd\u7535\u4fe1\u7684\u6700\u7231\uff08\u4e2d\u56fd\u8054\u901a\u5173\u6ce8\u7684\u662fDWDM\uff09\uff0c\u76ee\u524d\u7535\u4fe1\u6b63\u5728\u7ec4\u7ec7\u4ea7\u4e1a\u94fe\u4e0a\u4e0b\u6e38\u8fdb\u884c\u7814\u8ba8\u5f00\u53d1\uff0c\u5904\u4e8e\u6837\u54c1\u9636\u6bb5\u3002<\/span><\/p>\n

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