{"id":2824,"date":"2021-02-26T09:16:06","date_gmt":"2021-02-26T01:16:06","guid":{"rendered":"http:\/\/www.comtest.cn\/?p=2824"},"modified":"2021-06-30T09:01:19","modified_gmt":"2021-06-30T01:01:19","slug":"pol-mux-%e7%9a%84%e7%9b%b8%e5%b9%b2%e7%b3%bb%e7%bb%9f%e4%b8%ad%e7%9a%84%e5%85%89%e4%bf%a1%e5%99%aa%e6%af%94%e6%b5%8b%e9%87%8f","status":"publish","type":"post","link":"http:\/\/www.comtest.cn\/?p=2824","title":{"rendered":"Pol-Mux \u7684\u76f8\u5e72\u7cfb\u7edf\u4e2d\u7684\u5149\u4fe1\u566a\u6bd4\u6d4b\u91cf"},"content":{"rendered":"<p><strong>\u4f5c\u8005\uff1aVIAVI\u5168\u7403\u4ea7\u54c1\u7ebf\u7ecf\u7406 Wolfgang\u00a0 Moench<\/strong><br><br>\u00a0\u00a0\u00a0\u00a0\u00a0 \u5bf9\u4f7f\u7528\u504f\u632f\u590d\u7528\u4f20\u8f93 (Pol-Mux) \u7684\u5bc6\u96c6\u6ce2\u5206\u590d\u7528 (DWDM) \u7cfb\u7edf\u8fdb\u884c\u5728\u7ebf\u5149\u4fe1\u566a\u6bd4 (OSNR) \u6d4b\u91cf\u662f\u4e00\u4e2a\u60ac\u800c\u672a\u51b3\u7684\u96be\u9898\u3002\u672c\u6587\u4e2d\u63a8\u8350\u4e86\u4e00\u79cd\u65b0\u65b9\u6cd5\uff0c\u53ef\u4f9d\u636e\u4f20\u8f93\u4fe1\u53f7\u5149\u8c31\u4e2d\u5404\u4e2a\u8c31\u6210\u4efd\u4e4b\u95f4\u7684\u76f8\u5173\u6027\u8ba1\u7b97\u51fa OSNR\u3002<br><\/p><p><strong>\u7b80\u4ecb<\/strong><br>\u00a0\u00a0\u00a0\u00a0\u00a0 \u5728\u5f53\u4eca\u7684\u9ad8\u901f DWDM \u7cfb\u7edf\u4e2d\uff0c\u501f\u52a9\u6570\u5b57\u4fe1\u53f7\u5904\u7406\u8fdb\u884c\u76f8\u5e72\u68c0\u6d4b\u4ee5\u53ca\u4f7f\u7528\u504f\u632f\u590d\u7528\u4f20\u8f93\u5df2\u7ecf\u6210\u4e3a\u6807\u51c6\u505a\u6cd5\u3002\u6211\u4eec\u901a\u5e38\u4f1a\u901a\u8fc7 OSNR \u5bf9\u957f\u8ddd\u79bb\u5149\u7ea4\u901a\u4fe1\u7cfb\u7edf\u4e2d\u4f20\u8f93\u7684\u8c03\u5236\u5149\u4fe1\u53f7\u7684\u8d28\u91cf\u8fdb\u884c\u7279\u5f81\u5206\u6790\u3002\u5404\u4e2a\u6807\u51c6\u673a\u6784\u5b9a\u4e49\u4e86\u5728 DWDM \u7cfb\u7edf\u4e2d\u6d4b\u91cf OSNR \u7684\u82e5\u5e72\u65b9\u6cd5\uff0c\u4f46\u5bf9\u4e8e\u5728\u53ef\u91cd\u6784\u578b\u5149\u5206\u63d2\u590d\u7528\u8bbe\u5907 (ROADM) \u7f51\u7edc\u62d3\u6251\u4e2d\u4f7f\u7528\u504f\u632f\u590d\u7528\u4f20\u8f93\u7684\u7cfb\u7edf\u800c\u8a00\uff0c\u76ee\u524d\u4e3a\u6b62\u8fd8\u6ca1\u6709\u666e\u904d\u9002\u7528\u7684\u5e26\u5185 OSNR \u5728\u7ebf\u6d4b\u91cf\u65b9\u6cd5\u3002\u4f20\u8f93\u901f\u5ea6\u4e3a 100 Gb\/s\uff08\u6216\u66f4\u9ad8\uff09 \u7684\u4f20\u8f93\u7cfb\u7edf\u4f7f\u7528\u6240\u6709\u7269\u7406\u53c2\u6570\uff08\u4f8b\u5982\u6ce2\u957f\u3001\u632f\u5e45\u3001\u76f8\u4f4d\u4ee5\u53ca\u504f\u632f\u6001\uff09\u8fdb\u884c\u4fe1\u53f7\u7f16\u7801\u3002\u56e0\u6b64\uff0c\u6ca1\u6709\u5355\u72ec\u7684\u7269\u7406\u53c2\u6570\u53ef\u7528\u4e8e\u566a\u58f0\u5206\u79bb\u548c OSNR \u8ba1\u7b97\u3002 \u800c\u5927\u91cf\u8272\u5ea6\u8272\u6563 (CD) \u548c\u504f\u632f\u6a21\u8272\u6563 (PMD) \u53ef\u80fd\u5bfc\u81f4\u4f20\u8f93\u7684\u4fe1\u53f7\u5931\u771f\uff0c \u8fd9\u4f7f\u5f97\u6d4b\u91cf\u53d8\u5f97\u6108\u52a0\u590d\u6742\u3002\u5728\u672c\u6587\u4e2d\uff0cViavi \u63a8\u8350\u4e86\u4e00\u79cd\u57fa\u4e8e\u8c31\u76f8\u5173\u6d4b\u91cf\u7684\u65b0\u65b9\u6cd5\uff0c\u80fd\u591f\u5728\u76f8\u5e72\u7cfb\u7edf\u4e2d\u5b9e\u73b0\u5728\u7ebf\u5e26\u5185 OSNR \u5206\u6790\u3002<br><strong>\u00a0<\/strong><\/p><p><strong>OSNR \u7684\u6d4b\u91cf<\/strong><br>\u00a0\u00a0\u00a0\u00a0\u00a0 OSNR \u901a\u8fc7\u5149\u8c31\u5206\u6790\u4eea (OSA) \u6d4b\u91cf\u800c\u51fa\uff0c\u5176\u5b9a\u4e49\u4e3a\uff1a\u6570\u5b57\u4fe1\u606f\u4fe1\u53f7\uff08<em>P<\/em>\u4fe1\u53f7\uff09 \u7684\u5149\u529f\u7387\u4e0e\u5149\u653e\u5927\u5668\u4e3a\u4fe1\u53f7\u53e0\u52a0\u7684\u5149\u566a\u58f0\uff08<em>P<\/em>\u566a\u58f0\uff09\u4e4b\u6bd4\u3002\u5bf9\u4e8e\u00a0<em>P<\/em>\u4fe1\u53f7\uff0c\u8981\u5305\u62ec\u4fe1\u9053\u5e26\u5bbd\uff08<em>B<\/em>\u4fe1\u9053\uff09\u5185\u8f7d\u9001\u7684\u603b\u4fe1\u53f7\u529f\u7387\uff0c\u901a\u5e38\u5e26\u5bbd\u4e3a 50 GHz\u3002\u566a\u58f0\u529f\u7387\u5df2\u5f52\u4e00\u5316\u4e3a\u00a0<em>B<\/em>\u566a\u58f0 = 0.1 \u7eb3\u7c73\u6d4b\u91cf\u5e26\u5bbd\u3002\u4ee5\u4e0b\u516c\u5f0f\u63cf\u8ff0\u4e86 OSNR \u8ba1\u7b97\uff1a<\/p><figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_01.jpg\"><img decoding=\"async\" width=\"271\" height=\"69\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_01.jpg\" alt=\"\" class=\"wp-image-2825\" srcset=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_01.jpg 271w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_01-64x16.jpg 64w\" sizes=\"(max-width: 271px) 100vw, 271px\" \/><\/a><\/figure><p><\/p><p><strong>\u4f20\u7edf OSNR \u65b9\u6cd5 (IEC 61280-2-9)<\/strong><br>\u00a0\u00a0\u00a0\u00a0\u00a0 \u7528\u4e8e\u5206\u6790 OSNR \u7684\u5e38\u7528\u65b9\u6cd5\u662f IEC 61280-2-9 \u4e2d\u52a0\u4ee5\u6807\u51c6\u5316\u7684\u63d2\u503c\u6cd5\u6216\u5e26\u5916\u65b9\u6cd5\u3002\u6b64\u65b9\u6cd5\u4e2d\uff0c\u566a\u58f0\u529f\u7387\u662f\u5728\u5149\u4fe1\u9053\u4ee5\u5916\u6d4b\u91cf\u7684\u3002\u6b64\u65b9\u6cd5\u57fa\u4e8e\u4e00\u4e2a\u5047\u8bbe\uff0c\u5373\u4fe1\u53f7\u7684\u5149\u5e26\u5bbd\u6709\u9650\uff0c\u800c\u566a\u58f0\u5219\u5206\u5e03\u5728\u5bbd\u9891\u5e26\u4e2d\u3002<br>\u00a0\u00a0\u00a0\u00a0\u00a0\u56e0\u6b64\uff0c\u53ef\u4ee5\u4f7f\u7528\u5149\u4fe1\u9053\uff08<em>PNL\u00a0<\/em>\u548c\u00a0<em>PNR<\/em>\uff09\u4e4b\u95f4\u6d4b\u91cf\u7684\u5e26\u5916\u566a\u58f0\u5185\u63d2\u503c\u6765\u8ba1\u7b97\u5149\u4fe1\u9053\u5185\u7684\u566a\u58f0\u529f\u7387 (<em>PN<\/em>)\u3002<\/p><figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_02.jpg\"><img fetchpriority=\"high\" decoding=\"async\" width=\"375\" height=\"357\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_02.jpg\" alt=\"\" class=\"wp-image-2826\" srcset=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_02.jpg 375w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_02-300x286.jpg 300w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_02-64x61.jpg 64w\" sizes=\"(max-width: 375px) 100vw, 375px\" \/><\/a><\/figure><p>\u00a0\u00a0\u00a0\u00a0\u00a0 \u5728\u6570\u636e\u901f\u7387\u6700\u9ad8\u4e3a 10 Gb\/s \u7684\u6807\u51c6\u70b9\u5230\u70b9\u7cfb\u7edf\u4e2d\uff0c\u6b64\u65b9\u6cd5\u53ef\u63d0\u4f9b\u51c6\u786e\u7684 OSNR \u7ed3\u679c\u3002<br><\/p><p><strong>\u9002\u7528\u4e8e\u7f51\u72b6\u5149\u7f51\u7edc\u7684 OSNR \u65b9\u6cd5<\/strong><br>\u00a0\u00a0\u00a0\u00a0\u00a0 \u968f\u7740\u7f51\u7edc\u62d3\u6251\u4ece\u70b9\u5230\u70b9\u53d1\u5c55\u4e3a\u7f51\u72b6\u7684\u52a8\u6001\u53ef\u91cd\u6784\u4f53\u7cfb\u7ed3\u6784\uff0c\u4f7f\u7528 ROADM \u5df2\u6210\u4e3a\u4e00\u79cd\u6807\u51c6\u505a\u6cd5\u3002ROADM \u4f7f\u7528\u89e3\u590d\u7528\u5668\u5206\u79bb\u5404\u4e2a\u4fe1\u9053\u6765\u5b9e\u73b0\u5206\u63d2\u529f\u80fd\u3002\u89e3\u590d\u7528\u5668\u7531\u5149\u6ee4\u6ce2\u5668\u7ec4\u6210\uff0c\u8fd9\u4e9b\u6ee4\u6ce2\u5668\u4f20\u9012\u5149\u4fe1\u53f7\uff0c\u4f46\u6291\u5236\u4fe1\u9053\u9891\u5e26\u5916\u7684\u5149\u529f\u7387\u3002\u56e0\u6b64\uff0c\u5728 ROADM \u73af\u5883\u4e2d\uff0c\u4e0d\u518d\u5b58\u5728\u6765\u81ea\u63ba\u94d2\u5149\u7ea4\u653e\u5927\u5668 (EDFA) \u7684\u5bbd\u9891\u5e26\u566a\u58f0\u3002\u566a\u58f0\u7279\u5f81\u53d8\u4e3a\u6ee4\u6ce2\u540e\u7684\u566a\u58f0\uff0c\u8fd9\u610f\u5473\u7740\u5149\u4fe1\u9053\u5916\u90e8\u7684\u566a\u58f0\u4e0d\u518d\u4e0e\u5149\u4fe1\u9053\u5185\u7684\u566a\u58f0\u76f8\u5173\u3002<\/p><figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_03.jpg\"><img decoding=\"async\" width=\"219\" height=\"70\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_03.jpg\" alt=\"\" class=\"wp-image-2827\" srcset=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_03.jpg 219w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_03-64x20.jpg 64w\" sizes=\"(max-width: 219px) 100vw, 219px\" \/><\/a><\/figure><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \u4e0b\u56fe\u663e\u793a\u4e86 ROADM \u5bfc\u81f4\u7684\u5bf9\u6ee4\u6ce2\u540e\u566a\u58f0\u7279\u5f81\u6240\u4ea7\u751f\u7684\u5f71\u54cd<\/p><figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_04.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"279\" height=\"224\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_04.jpg\" alt=\"\" class=\"wp-image-2828\" srcset=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_04.jpg 279w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_04-64x51.jpg 64w\" sizes=\"(max-width: 279px) 100vw, 279px\" \/><\/a><\/figure><p>\u00a0\u00a0\u00a0\u00a0\u00a0 \u5728 ROADM \u7cfb\u7edf\u4e2d\uff0cIEC \u65b9\u6cd5\u4f7f\u7528\u7684\u5149\u4fe1\u9053\u95f4\u5e26\u5916\u566a\u58f0\u529f\u7387\u6d4b\u91cf\u4e0d\u518d\u63d0\u4f9b\u6b63\u786e\u7684 OSNR \u7ed3\u679c\u3002\u5728\u8fd9\u4e9b\u7cfb\u7edf\u4e2d\uff0c\u9700\u8981\u5bf9\u4fe1\u53f7\u5149\u8c31\u5e26\u5bbd\u5185\u7684\u5149\u566a\u58f0\u57fa\u5e95\u8fdb\u884c\u6d4b\u91cf\u624d\u80fd\u786e\u5b9a\u4fe1\u53f7\u7684 OSNR\u3002\u6b64\u7c7b\u6d4b\u91cf\u79f0\u4e3a\u5e26\u5185 OSNR \u6d4b\u91cf\u3002\u5bf9\u4e8e 2.5 Gb\/s\u300110 Gb\/s \u4ee5\u53ca\u90e8\u5206 40 Gb\/s \u7cfb\u7edf\u4e2d\u4f7f\u7528\u5355\u504f\u632f\u4f20\u8f93\uff08\u4f8b\u5982\u5e45\u5ea6\u6216\u5f00\u5173\u952e\u63a7\u8c03\u5236 (OOK)\uff09\u7684\u4f20\u7edf\u5149\u4fe1\u606f\u4fe1\u53f7\uff0c\u53ef\u4ee5\u91c7\u7528\u5df2\u7ecf\u516c\u5f00\u7684\u96f6\u504f\u632f\u6280\u672f\u3002\u5047\u8bbe\u4f20\u8f93\u7684\u4fe1\u53f7\u662f\u504f\u632f\u7684\uff0c\u800c\u566a\u58f0\u662f\u975e\u504f\u632f\u7684\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528\u504f\u632f\u6ee4\u6ce2\u5668\u6765\u6291\u5236\u504f\u632f\u4fe1\u53f7\uff0c\u5e76\u6d4b\u91cf\u5149\u4fe1\u9053\u5185\u7684\u975e\u504f\u632f\u566a\u58f0\uff0c\u4ece\u800c\u83b7\u5f97\u5e26\u5185 OSNR\u3002<br><\/p><p><strong>\u4f7f\u7528\u504f\u632f\u590d\u7528\u7684\u9ad8\u901f\u4f20\u8f93\u7684\u96be\u9898<\/strong><br>\u00a0\u00a0\u00a0\u00a0\u00a0 \u8fd0\u884c\u901f\u5ea6\u4e3a100Gb\/s\u53ca\u66f4\u9ad8\u7684\u76f8\u5e72\u7cfb\u7edf\u4f7f\u7528\u504f\u632f\u590d\u7528\u4f20\u8f93\u3002\u4f7f\u7528\u6b64\u6280\u672f\uff0c\u4e24\u4e2a\u6570\u636e\u6d41\u5c06\u4ee5\u76f8\u540c\u6ce2\u957f\u7684\u6b63\u4ea4\u504f\u632f\u6001\u540c\u65f6\u4f20\u8f93\u3002\u5728\u8bf8\u5982\u5149\u8c31\u5206\u6790\u4eea\u7b49\u6d4b\u91cf\u4eea\u5668\u4e2d\uff0c\u8fd9\u4e9b\u4fe1\u53f7\u663e\u793a\u4e3a\u975e\u504f\u632f\u7684\u3002\u56e0\u6b64\uff0c\u65e0\u6cd5\u901a\u8fc7\u4f7f\u7528\u504f\u632f\u6ee4\u6ce2\u5668\u4ece\u566a\u58f0\u4e2d\u5206\u79bb\u4fe1\u53f7\u7684\u504f\u632f\u6d88\u5149\u6280\u672f\u6765\u6d4b\u91cf\u5e26\u5185 OSNR\u3002<br>\u00a0\u00a0\u00a0\u00a0\u00a0 \u5c3d\u7ba1\u5df2\u6709\u8bb8\u591a\u516c\u5f00\u65b9\u6cd5\u53ef\u7528\u4e8e\u6d4b\u91cf\u504f\u632f\u590d\u7528\u4fe1\u53f7\u4e2d\u7684\u5e26\u5185 OSNR\uff0c\u4f46\u8fd9\u4e9b\u65b9\u6cd5\u901a\u5e38\u53ea\u9002\u7528\u4e8e\u5177\u6709\u9884\u5148\u786e\u5b9a\u7684\u6bd4\u7279\u7387\u3001\u8c03\u5236\u65b9\u5f0f\u548c\/\u6216\u4fe1\u53f7\u6ce2\u5f62\u7684\u5149\u4fe1\u53f7\u3002\u56e0\u6b64\uff0c\u8fd9\u4e9b\u65b9\u6cd5\u53ef\u80fd\u9002\u5408\u4e8e\u76d1\u6d4b\u901a\u4fe1\u7cfb\u7edf\u4e2d\u7279\u5b9a\u4f4d\u7f6e\u5904\u7684\u5e26\u5185 OSNR\uff0c\u4f46\u5f88\u96be\u7528\u4f5c\u901a\u7528\u6d4b\u8bd5\u548c\u6d4b\u91cf\u7a0b\u5e8f\u3002\u800c\u4e14\uff0c\u5176\u4e2d\u7684\u4e00\u4e9b\u65b9\u6cd5\u4e0d\u9002\u5408\u7528\u4e8e\u786e\u5b9a\u7531\u4e8e\u5b58\u5728 CD \u6216 PMD \u800c\u5927\u5e45\u5931\u771f\u7684\u4fe1\u53f7\u4e2d\u7684\u5e26\u5185 OSNR\u3002\u66fe\u7ecf\u6709\u4eba\u901a\u8fc7\u4f7f\u7528\u8c31\u5f62\u6bd4\u8f83\u516c\u5f00\u4e86\u4e00\u79cd\u4f7f\u7528\u4f20\u7edf\u5149\u4fe1\u53f7\u529f\u7387\u5149\u8c31\u5206\u6790\u6d4b\u91cf\u5e26\u5185 OSNR \u7684\u65b9\u6cd5\u3002\u4f46 ROADM \u7684\u5149\u8c31\u6ee4\u6ce2\u5f71\u54cd\u3001\u4f20\u8f93\u8109\u52a8\u4ee5\u53ca OSA \u7684\u53ef\u91cd\u590d\u6027\u4e00\u76f4\u662f\u8fd9\u4e9b\u6d4b\u91cf\u4e2d\u7684\u4e3b\u8981\u8bef\u5dee\u6765\u6e90\u3002\u65f6\u57df\u4e2d\u7684\u65b9\u6cd5\u9700\u8981\u8986\u76d6 100 Gb\/s \u6216\u66f4\u9ad8\u5b8c\u6574\u4f20\u8f93\u5e26\u5bbd\u7684\u9ad8\u901f\u5149\u63a5\u6536\u5668\u3002\u7531\u4e8e\u7cfb\u7edf\u76d1\u6d4b\u70b9\u63d0\u4f9b\u7684\u529f\u7387\u4e0d\u8db3\u4ee5\u652f\u6301\u6b64\u7c7b\u9ad8\u901f\u63a5\u6536\u5668\uff0c\u56e0\u6b64\u65e0\u6cd5\u4f7f\u7528\u8be5\u6280\u672f\u3002\u4e1a\u5185\u516c\u8ba4\u7684\u5e26\u5185 OSNR \u6d4b\u91cf\u65b9\u6cd5\u662f\u4fe1\u9053\u5173\u95ed\u6cd5\uff08\u6216\u5173\u65ad\u6cd5\uff09\u3002\u8fd9\u662f\u4e00\u79cd\u79bb\u7ebf\u65b9\u6cd5\uff0c\u56e0\u4e3a\u4fe1\u9053\u5185\u7684\u566a\u58f0\u662f\u5728\u4fe1\u53f7\u5173\u95ed\u65f6\u6d4b\u91cf\u7684\u3002\u6b64\u65b9\u6cd5\u65e0\u6cd5\u5728\u5b9e\u65f6\u7cfb\u7edf\u4e2d\u4f7f\u7528\u3002<br>\u00a0\u00a0\u00a0\u00a0\u00a0 \u76f4\u5230\u73b0\u5728\uff0c\u8fd8\u6ca1\u6709\u53ef\u7528\u4e8e\u5728\u4f7f\u7528\u504f\u632f\u590d\u7528\u7684\u76f8\u5e72\u7cfb\u7edf\u4e2d\u6d4b\u91cf\u5728\u7ebf\u5e26 OSNR \u7684\u5546\u7528\u65b9\u6cd5\u3002<br><\/p><p><strong>\u76f8\u5173\u7cfb\u6570\u6d4b\u91cf\u4e00\u79cd\u65b0\u7684\u6d4b\u91cf\u53c2\u6570<\/strong><br>\u00a0\u00a0\u00a0\u00a0\u00a0 \u5728\u8fd0\u884c\u4e8e ROADM \u73af\u5883\u5185\u7684\u9ad8\u901f\u76f8\u5e72\u7cfb\u7edf\u4e2d\uff0c\u6ca1\u6709\u50cf\u9891\u7387\u3001\u529f\u7387\u6216\u504f\u632f\u6001\u8fd9\u6837\u7684\u7269\u7406\u53c2\u6570\u53ef\u7528\u6765\u5c06\u8c03\u5236\u4fe1\u53f7\u4ece\u653e\u5927\u5668\u566a\u58f0\u4e2d\u5206\u79bb\uff0c\u4ece\u800c\u6d4b\u91cf\u5e26\u5185 OSNR\u3002\u56e0\u6b64\uff0c\u5c31\u9700\u8981\u4e00\u79cd\u53ef\u533a\u5206\u4fe1\u53f7\u548c\u566a\u58f0\u7684\u66ff\u4ee3\u53c2\u6570\u3002<br>\u00a0\u00a0\u00a0\u00a0\u00a0 \u4f7f\u7528\u5149\u4fe1\u9053\u5185\u6d4b\u91cf\u6837\u672c\u7684\u76f8\u5173\u7279\u6027\u88ab\u8bc1\u660e\u662f\u9002\u7528\u4e8e\u6b64\u76ee\u7684\u4e00\u79cd\u53ef\u884c\u89e3\u51b3\u65b9\u6848\u3002\u76f8\u5173\u6027\u662f\u4e00\u79cd\u5bf9\u4e24\u4e2a\u91cf\u5316\u7684\u53d8\u91cf\uff08\u4f8b\u5982\uff0c\u5149\u4fe1\u53f7\u7684\u5e45\u5ea6\u91c7\u6837\uff09\u4e4b\u95f4\u7684\u7edf\u8ba1\u5173\u7cfb\u8fdb\u884c\u7814\u7a76\u7684\u65b9\u6cd5\u3002\u57fa\u4e8e\u6570\u5b57\u8c03\u5236\u4fe1\u53f7\u4e2d\u7684\u6d4b\u91cf\u6837\u672c\u5177\u6709\u76f8\u5173\u6027\uff0c\u800c\u767d\u566a\u58f0\u4e2d\u7684\u6d4b\u91cf\u6837\u672c\u4e0d\u76f8\u5173\u8fd9\u4e00\u4e8b\u5b9e\uff0c\u4f7f\u7528\u5206\u6790\u76f8\u5173\u51fd\u6570\u6765\u8ba1\u7b97 OSNR\u3002<br><\/p><p><strong>\u6570\u5b57\u8c03\u5236\u4fe1\u53f7\u7684\u76f8\u5173\u7279\u6027<\/strong><br>\u00a0\u00a0\u00a0\u00a0\u00a0 \u76f8\u5173\u7cfb\u6570\u00a0<em>Corr\u00a0<\/em>\u662f\u4e00\u79cd\u7edf\u8ba1\u6d4b\u91cf\uff0c\u53ef\u6307\u660e\u4e24\u4e2a\u53d8\u91cf\u7684\u5171\u53d8\u5bc6\u5207\u6027\u3002\u5b83\u53ef\u4ece 0\uff08\u4e0d\u76f8\u5173\uff09\u53d8\u4e3a 1\uff08\u5b8c\u5168\u76f8\u5173 = \u4e24\u4e2a\u5b8c\u5168\u76f8\u540c\u7684\u6837\u672c\uff09\u3002<br>\u00a0\u00a0\u00a0\u00a0\u00a0 \u4e0b\u56fe\u663e\u793a\u4e86\u88ab\u767d\u566a\u58f0\u8986\u76d6\u7684\u53cc\u6001\u8c03\u5236\u4fe1\u53f7\u7684\u793a\u4f8b\u3002<\/p><figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_05.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"205\" height=\"234\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_05.jpg\" alt=\"\" class=\"wp-image-2829\" srcset=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_05.jpg 205w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_05-64x73.jpg 64w\" sizes=\"(max-width: 205px) 100vw, 205px\" \/><\/a><\/figure><p>\u00a0\u00a0\u00a0\u00a0\u00a0 \u4e3a\u4e86\u8fdb\u884c\u8bf4\u660e\uff0c\u5c06\u5bf9\u7eaf\u4fe1\u53f7\uff08\u7070\u8272\uff09\u548c\u7eaf\u566a\u58f0\uff08\u6a59\u8272\uff09\u4e2d\u7684\u6d4b\u91cf\u6837\u672c\u4e4b\u95f4\u7684\u76f8\u5173\u6027\u8fdb\u884c\u6bd4\u8f83\u3002\u63d0\u53d6\u7684\u6d4b\u91cf\u6837\u672c\u7684\u8ddd\u79bb\u5e94\u660e\u663e\u5c0f\u4e8e\u4f4d\u957f\u5ea6\u00a0<em>TB<\/em>\u3002<br>\u00a0\u00a0\u00a0\u00a0 \u00a0\u4fe1\u53f7\u76f8\u5173\u6027\uff1a\u4e0d\u7ba1\u662f\u5728\u201c1\u201d\u72b6\u6001\u8fd8\u662f\u201c0\u201d\u72b6\u6001\u4e0b\u6d4b\u91cf\uff0c\u4fe1\u53f7\u4e2d\u7684\u6d4b\u91cf\u6837\u672c\uff08\u9ec4\u8272\u6837\u672c\uff09\u5e94\u663e\u793a\u4e3a\u9ad8\u5ea6\u4e00\u81f4\u3002\u56e0\u6b64\uff0c\u76f8\u5173\u7cfb\u6570\u5c06\u4e3a\u00a0<em>Corr\u00a0<\/em>= 1\u3002\u566a\u58f0\u76f8\u5173\u6027\uff1a\u4ece\u767d\u566a\u58f0\u4e2d\u63d0\u53d6\u7c7b\u4f3c\u6837\u672c\uff08\u84dd\u8272\u6837\u672c\uff09\u65f6\uff0c\u7ed3\u679c\u663e\u793a\u6355\u83b7\u4e24\u4e2a\u5b8c\u5168\u76f8\u540c\u632f\u5e45\u503c\u7684\u53ef\u80fd\u6027\u975e\u5e38\u4f4e\uff0c\u56e0\u800c\u5f97\u5230\u7684\u76f8\u5173\u7cfb\u6570\u4e3a\u00a0<em>Corr\u00a0<\/em>= 0\u3002\u56e0\u6b64\uff0c\u4fe1\u53f7\u548c\u566a\u58f0\u6df7\u5408\u5728\u4e00\u8d77\u5c06\u5f97\u5230\u4ecb\u4e8e 0 \u548c 1 \u4e4b\u95f4\u7684\u76f8\u5173\u7cfb\u6570\uff0c\u6307\u660e\u4fe1\u53f7\u548c\u566a\u58f0\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u8fd9\u79cd\u5173\u7cfb\u4e5f\u53ef\u8868\u793a\u4e3a\u4fe1\u566a\u6bd4\u3002<br>\u00a0\u00a0\u00a0\u00a0\u00a0 \u8fd9\u662f\u65f6\u57df\u4e2d\u7684\u4e00\u4e2a\u793a\u4f8b\u3002\u5982\u4e0a\u6240\u8ff0\uff0c\u65f6\u57df\u4e2d\u7684\u65b9\u6cd5\u9700\u8981\u9ad8\u901f\u5149\u63a5\u6536\u5668\uff0c\u8fd9\u79cd\u63a5\u6536\u5668\u5728\u7cfb\u7edf\u76d1\u6d4b\u70b9\u4e0a\u65e0\u6cd5\u5de5\u4f5c\u3002\u901a\u8fc7\u4f7f\u7528\u5085\u7acb\u53f6\u53d8\u6362\uff0c\u5c06\u80fd\u591f\u5728\u9891\u57df\u4e2d\u6267\u884c\u76f8\u5173\u6027\u5206\u6790\u3002<br><\/p><p><strong>Viavi \u7684\u8c31\u76f8\u5173\u65b9\u6cd5 (SCorM)<\/strong><br>\u00a0\u00a0\u00a0\u00a0\u00a0 Viavi \u516c\u5f00\u4e86\u4e00\u79cd\u65b0\u7684\u8c31\u76f8\u5173\u65b9\u6cd5\u00a0<em>(SCorM<\/em>\uff0c\u7f8e\u56fd\u4e13\u5229\u53f7 US20160164599 A1\uff09\uff0c\u8be5\u65b9\u6cd5\u53ef\u5728\u9891\u57df\u4e2d\u5de5\u4f5c\uff0c\u4e0d\u518d\u9700\u8981\u9ad8\u901f\u5149\u63a5\u6536\u5668\u4ee5\u53ca\u65f6\u949f\u53ca\u6570\u636e\u6062\u590d (CDR)\u3002<br>\u00a0\u00a0\u00a0\u00a0\u00a0 \u8fd9\u79cd\u65b9\u6cd5\u4ee5\u4f20\u8f93\u4fe1\u9053\u7684\u5149\u8c31\u5185\u7684\u76f8\u5173\u6d4b\u91cf\u4e3a\u57fa\u7840\uff0c\u6240\u4f9d\u636e\u7684\u4e8b\u5b9e\u662f\uff1a\u8c03\u5236\u4fe1\u53f7\u4e2d\u7684\u5149\u8c31\u5206\u91cf\u76f8\u5173\u8054\uff0c\u800c\u566a\u58f0\u4e2d\u7684\u5149\u8c31\u5206\u91cf\u4e0d\u76f8\u5173\u3002\u90a3\u4e48\uff0c\u5c31\u53ef\u4ee5\u901a\u8fc7\u6d4b\u91cf\u4fe1\u53f7\u5149\u5e45\u5ea6\u9891\u8c31\u5185\u9884\u5148\u786e\u5b9a\u95f4\u9694\u7684\u4e24\u4e2a\u65f6\u53d8\u6ce2\u957f\u5206\u91cf\u4e4b\u95f4\u7684\u76f8\u5173\u6027\u6765\u8ba1\u7b97 OSNR\u3002\u96be\u9898\u5728\u4e8e\uff0c\u8981\u5bf9\u540c\u65f6\u5305\u542b\u76f8\u5173\u4fe1\u53f7\u5206\u91cf\u548c\u4e0d\u76f8\u5173\u566a\u58f0\u5206\u91cf\u7684\u5149\u4fe1\u9053\u5185\u7684\u4e24\u4e2a\u975e\u5e38\u7ec6\u7684\u9891\u7387\u5207\u7247\u8fdb\u884c\u5206\u6790\u548c\u6bd4\u8f83\u3002\u6d4b\u91cf\u5e26\u5bbd\u9700\u8981\u8fdc\u8fdc\u5c0f\u4e8e\u4f20\u8f93\u4fe1\u53f7\u7684\u5149\u5e26\u5bbd\uff0c\u5728\u6807\u51c6 DWDM \u7cfb\u7edf\u4e2d\uff0c\u5149\u5e26\u5bbd\u901a\u5e38\u5c0f\u4e8e 50 GHz\u3002\u4e3a\u4e86\u6d4b\u91cf\u5149\u8c31\u5206\u91cf\u7684\u76f8\u5173\u7279\u6027\uff0c\u9700\u8981\u4e24\u4e2a\u53ef\u72ec\u7acb\u8c03\u8c10\u7684\u5149\u63a5\u6536\u5668\uff0c\u5176\u5177\u6709\u8303\u56f4 &lt;50 MHz \u7684\u5206\u8fa8\u7387\u3002\u8fd9\u6bd4\u57fa\u4e8e\u81ea\u7531\u7a7a\u95f4\u5149\u901a\u4fe1\u6280\u672f\u7684\u9ad8\u5206\u8fa8\u7387 OSA \u6240\u80fd\u63d0\u4f9b\u7684\u5206\u8fa8\u7387\u8981\u9ad8 100 \u500d\u3002\u8fd9\u4e48\u9ad8\u7684\u6d4b\u91cf\u5206\u8fa8\u7387\u53ea\u80fd\u4f7f\u7528\u76f8\u5e72\u68c0\u6ce2\u5668\u8bbe\u8ba1\uff08\u4e0e\u9ad8\u901f\u76f8\u5e72\u5149\u63a5\u6536\u5668\u7c7b\u4f3c\uff09\u5b9e\u73b0\u3002<\/p><figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_06.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"269\" height=\"209\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_06.jpg\" alt=\"\" class=\"wp-image-2830\" srcset=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_06.jpg 269w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_06-64x50.jpg 64w\" sizes=\"(max-width: 269px) 100vw, 269px\" \/><\/a><\/figure><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \u56fe 4 \u663e\u793a\u4e00\u4e2a 100 Gb\/s \u504f\u632f\u590d\u7528\u6b63\u4ea4\u76f8\u79fb\u952e\u63a7\u4fe1\u53f7 (PM-QPSK) \u7684\u9891\u8c31\u3002\u9891\u8c31\u5bc6\u5ea6&nbsp;<em>SPL&nbsp;<\/em>\u548c&nbsp;<em>SPR&nbsp;<\/em>\u8868\u793a\u540c\u65f6\u5305\u62ec\u4fe1\u53f7\u548c\u566a\u58f0\u7684\u5149\u4fe1\u9053\u5185\u90e8\u7684\u5df2\u6d4b\u91cf\u5149\u8c31\u5206\u91cf\u3002\u90a3\u4e48\uff0c\u76f8\u5173\u7cfb\u6570&nbsp;<em>Corr&nbsp;<\/em>\u53ef\u8868\u793a\u4e3a&nbsp;<em>SPL&nbsp;<\/em>\u548c&nbsp;<em>SPR&nbsp;<\/em>\u7684\u51fd\u6570\uff0c\u5176\u503c\u4ecb\u4e8e 0 \u548c 1 \u4e4b\u95f4\uff0c\u5e76\u4e14<\/p><figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_07.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"227\" height=\"37\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_07.jpg\" alt=\"\" class=\"wp-image-2831\" srcset=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_07.jpg 227w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_07-64x10.jpg 64w\" sizes=\"(max-width: 227px) 100vw, 227px\" \/><\/a><\/figure><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \u5e26\u5185 OSNR (<em>OSNRC<\/em>) \u53ef\u4f9d\u636e&nbsp;<em>Corr&nbsp;<\/em>\u8fdb\u884c\u8ba1\u7b97\uff1a<\/p><figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_08.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"227\" height=\"33\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_08.jpg\" alt=\"\" class=\"wp-image-2832\" srcset=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_08.jpg 227w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_08-64x9.jpg 64w\" sizes=\"(max-width: 227px) 100vw, 227px\" \/><\/a><\/figure><p>\u00a0\u00a0\u00a0\u00a0\u00a0 \u8f83\u4f4e\u7684\u00a0<em>Corr\u00a0<\/em>\u503c\u610f\u5473\u7740\u8f83\u4f4e\u7684 OSNR\uff0c\u8f83\u9ad8\u7684\u00a0<em>Corr\u00a0<\/em>\u503c\u610f\u5473\u7740\u8f83\u9ad8\u7684 OSNR\u3002<br>\u00a0<\/p><p><strong>Viavi \u57fa\u4e8e SCorM \u7684 Pol-Mux OSA-710<\/strong><br>\u00a0\u00a0\u00a0\u00a0\u00a0 Viavi \u7684 Pol-Mux OSA-710 \u662f\u53ef\u4f7f\u7528\u00a0<em>SCorM\u00a0<\/em>\u6267\u884c\u5728\u7ebf\u5e26\u5185 OSNR \u6d4b\u91cf\u7684\u4eea\u5668\u3002Viavi \u7684\u00a0<em>SCorM\u00a0<\/em>\u53ef\u6d4b\u8bd5\u6807\u51c6\u5355\u504f\u632f\u7684\u5e45\u5ea6\u6216\u5f00\u5173\u952e\u63a7 (OOK) \u4fe1\u53f7\uff0c\u4ee5\u53ca\u76f8\u5e72\u76f8\u4f4d\u8c03\u5236 (xPSK) \u4fe1\u53f7\u548c ROADM \u62d3\u6251\u4e2d\u91c7\u7528\u504f\u632f\u590d\u7528\u7684\u6b63\u4ea4\u5e45\u5ea6\u8c03\u5236 (xQAM) \u4fe1\u53f7\u3002\u5b83\u5bf9\u4e8e\u8f83\u5927\u7684CD \u6216 PMD \u8bf1\u53d1\u7684\u4fe1\u53f7\u5931\u771f\u4e0d\u654f\u611f\uff0c\u5e76\u4e14\u4e0d\u9700\u8981\u4f7f\u7528\u76f8\u4f3c\u7684\u65e0\u566a\u58f0\u5149\u4fe1\u53f7\u9884\u5148\u6821\u51c6\u3002<br>\u00a0\u00a0\u00a0\u00a0 \u00a0OSA \u7684\u57fa\u7840\u662f\u4e24\u4e2a\u72ec\u7acb\u7684\u5177\u5907\u6570\u5b57\u4fe1\u53f7\u5904\u7406\u529f\u80fd\u7684\u53ef\u8c03\u8c10\u76f8\u5e72\u63a5\u6536\u5668\u3002\u8fd9\u6837\uff0c\u65e0\u8bba\u8c03\u5236\u65b9\u5f0f\u5982\u4f55\uff0c\u90fd\u80fd\u5bf9\u5e45\u5ea6\u3001\u9891\u7387\u3001\u76f8\u4f4d\u548c\u504f\u632f\u8fdb\u884c\u4fe1\u53f7\u7279\u5f81\u5206\u6790\u3002\u6b64\u8bbe\u7f6e\u8fdb\u4e00\u6b65\u5141\u8bb8\u5206\u6790\u4fe1\u53f7\u7684\u7801\u901f\u7387\u6216\u6ce2\u7279\u7387\uff0c\u4ee5\u53ca\u6d4b\u91cf\u5b9e\u65f6\u7cfb\u7edf\u4e2d\u7684\u6bcf\u901a\u9053\u8272\u5ea6\u8272\u6563\u3002\u4eea\u5668\u63d0\u4f9b\u6807\u51c6\u5149\u8c31\u6d4b\u91cf\uff0c\u5728 C \u6ce2\u6bb5\u4e2d\uff0c\u8fd9\u4e9b\u6d4b\u91cf\u5177\u6709 20 MHz \u7684\u5206\u8fa8\u7387\u5e26\u5bbd\u3002<br>\u00a0\u00a0\u00a0  \u65b9\u6846\u56fe\u663e\u793a\u4e86 Viavi \u7684 Pol-Mux OSA-710 \u7684\u4e3b\u8981\u7ec4\u4ef6\u3002<\/p><figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_09.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"527\" height=\"238\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_09.jpg\" alt=\"\" class=\"wp-image-2833\" srcset=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_09.jpg 527w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_09-300x135.jpg 300w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_09-64x29.jpg 64w\" sizes=\"(max-width: 527px) 100vw, 527px\" \/><\/a><\/figure><p><strong>\u6d4b\u91cf\u7ed3\u679c<\/strong><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \u4f7f\u7528 Viavi \u7684 Pol Mux OSA 710 \u6d4b\u91cf\u4e86 100 Gb\/s \u548c 200 Gb\/s \u76f8\u5e72\u4fe1\u53f7\u7684\u5728\u7ebf\u5e26\u5185 OSNR\u3002\u4f5c\u4e3a\u5bf9 OSNR \u7684\u53c2\u8003\u6d4b\u91cf\uff0c\u4f7f\u7528\u4e86\u79bb\u7ebf\u7684\u5173\u65ad\u6cd5\u7684 OSNR\u3002<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \u9488\u5bf9 400 \u5343\u7c73\u94fe\u8def\u4e2d\u7801\u901f\u7387\u4e3a 28 Gbaud \u7684 100 Gb\/s PM QPSK \u4fe1\u53f7\uff0c\u56fe 6 \u663e\u793a\u4e86\u57fa\u4e8e Viavi \u7684&nbsp;<em>SCorM&nbsp;<\/em>OSNR<sub>C<\/sub>&nbsp;\u6d4b\u91cf\u51fa\u7684\u5e26\u5185 OSNR \u4e0e\u4f7f\u7528\u5173\u65ad\u6cd5\u6d4b\u91cf\u51fa\u7684\u53c2\u8003 OSNR\uff08OSNR<sub>on\/off<\/sub>\uff09\u7684\u5173\u7cfb\u3002<\/p><figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_10.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"341\" height=\"239\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_10.jpg\" alt=\"\" class=\"wp-image-2834\" srcset=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_10.jpg 341w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_10-300x210.jpg 300w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_10-64x45.jpg 64w\" sizes=\"(max-width: 341px) 100vw, 341px\" \/><\/a><\/figure><p>&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;\u5c0f\u4e8e \u00b11 dB \u7684\u4e00\u81f4\u6027\uff0c OSNR \u7684\u8303\u56f4\u4ecb\u4e8e 10 dB \u548c 22 dB\u4e4b\u95f4\u3002 Viavi \u7684&nbsp;<em>SCorM&nbsp;<\/em>\u4e5f\u9002\u7528\u4e8e\u5c3c\u594e\u65af\u7279\u6574\u5f62\u7684\u4fe1\u53f7\u3002<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \u56fe 7 \u663e\u793a\u4e86 16 QAM \u8c03\u5236\u7684 200 Gb\/s \u5c3c\u594e\u65af\u7279\u6574\u5f62\u4fe1\u53f7<\/p><figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_11.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"558\" height=\"208\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_11.jpg\" alt=\"\" class=\"wp-image-2835\" srcset=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_11.jpg 558w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_11-300x112.jpg 300w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/02\/OSA-710_WP_11-64x24.jpg 64w\" sizes=\"(max-width: 558px) 100vw, 558px\" \/><\/a><\/figure><p><strong>\u7ed3\u8bba<\/strong><br>&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;OSNR \u4ecd\u7136\u662f\u5bf9\u8c03\u5236\u5149\u4f20\u8f93\u4fe1\u53f7\u7684\u8d28\u91cf\u8fdb\u884c\u7279\u5f81\u5206\u6790\u7684\u5173\u952e\u53c2\u6570\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u8bf4\u660e\u4e86\u5e38\u7528\u7684 OSNR \u6d4b\u91cf\u65b9\u6cd5\u4e0d\u9002\u7528\u4e8e ROADM \u7f51\u7edc\u62d3\u6251\u4e2d\u7684\u9ad8\u901f\u76f8\u5e72\u7cfb\u7edf\u3002Viavi \u7684 Pol-Mux OSA-710 \u662f\u4f7f\u7528\u8c31\u76f8\u5173\u6280\u672f\u5bf9\u4f7f\u7528\u504f\u632f\u590d\u7528\u7684 40 Gb\/s\u3001100 Gb\/s\u3001200 Gb\/s \u548c 400 Gb\/s \u76f8\u5e72\u4f20\u8f93\u4fe1\u53f7\u7684\u5e26\u5185 OSNR \u548c\u6bcf\u901a\u9053\u8272\u5ea6\u8272\u6563\u8fdb\u884c\u5728\u7ebf\u6d4b\u91cf\u7684\u4eea\u5668\u3002\u6b64\u65b9\u6cd5\u4e0e\u8c03\u5236\u65b9\u5f0f\u548c\u6570\u636e\u901f\u7387\u65e0\u5173\uff0c\u5e76\u4e14\u80fd\u591f\u5bb9\u5fcd\u5927\u91cf\u7684 CD \u548c PMD\uff0c\u4ee5\u53ca ROADM \u4e2d\u7684\u5149\u8c31\u6ee4\u6ce2\u3002<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Viavi \u7684&nbsp;<em>SCorM&nbsp;<\/em>\u65b9\u6cd5\u5b9e\u73b0\u4e86\u5bf9\u4f7f\u7528\u504f\u632f\u590d\u7528\u7684\u76f8\u5e72\u7cfb\u7edf\u4e2d\u7684\u5e26\u5185 OSNR \u8fdb\u884c\u5728\u7ebf\u6d4b\u91cf\u3002OSA-710 \u5c06\u5927\u5927\u7b80\u5316\u5b89\u88c5\u3001\u5f00\u901a\u548c\u7ef4\u62a4\u8fc7\u7a0b\u4e2d\u7684\u5149\u5b66\u6d4b\u8bd5\uff0c\u5e76\u7f29\u77ed\u6574\u4f53\u7cfb\u7edf\u505c\u673a\u65f6\u95f4\u548c\u5de5\u65f6\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>      \u5bf9\u4f7f\u7528\u504f\u632f\u590d\u7528\u4f20\u8f93 (Pol-Mux) \u7684\u5bc6\u96c6\u6ce2\u5206\u590d\u7528 (DWDM) \u7cfb\u7edf\u8fdb\u884c\u5728\u7ebf\u5149\u4fe1\u566a\u6bd4 (OSNR) \u6d4b\u91cf\u662f\u4e00\u4e2a\u60ac\u800c\u672a\u51b3\u7684\u96be\u9898\u3002\u672c\u6587\u4e2d\u63a8\u8350\u4e86\u4e00\u79cd\u65b0\u65b9\u6cd5\uff0c\u53ef\u4f9d\u636e\u4f20\u8f93\u4fe1\u53f7\u5149\u8c31\u4e2d\u5404\u4e2a\u8c31\u6210\u4efd\u4e4b\u95f4\u7684\u76f8\u5173\u6027\u8ba1\u7b97\u51fa OSNR\u3002<\/p>\n","protected":false},"author":2,"featured_media":2836,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31,29,24],"tags":[],"class_list":["post-2824","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-5g","category-datacenter","category-solutions"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\r\n<title>Pol-Mux \u7684\u76f8\u5e72\u7cfb\u7edf\u4e2d\u7684\u5149\u4fe1\u566a\u6bd4\u6d4b\u91cf - \u901a\u6d4b\u79d1\u6280<\/title>\r\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\r\n<link rel=\"canonical\" href=\"http:\/\/www.comtest.cn\/?p=2824\" \/>\r\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\r\n<meta property=\"og:type\" content=\"article\" \/>\r\n<meta property=\"og:title\" content=\"Pol-Mux \u7684\u76f8\u5e72\u7cfb\u7edf\u4e2d\u7684\u5149\u4fe1\u566a\u6bd4\u6d4b\u91cf - \u901a\u6d4b\u79d1\u6280\" \/>\r\n<meta property=\"og:description\" content=\"\u5bf9\u4f7f\u7528\u504f\u632f\u590d\u7528\u4f20\u8f93 (Pol-Mux) \u7684\u5bc6\u96c6\u6ce2\u5206\u590d\u7528 (DWDM) \u7cfb\u7edf\u8fdb\u884c\u5728\u7ebf\u5149\u4fe1\u566a\u6bd4 (OSNR) 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