{"id":4007,"date":"2025-09-15T11:12:00","date_gmt":"2025-09-15T11:12:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/glossary\/polarization-mode-dispersion-in-fiber-optics\/"},"modified":"2026-06-10T01:16:59","modified_gmt":"2026-06-10T01:16:59","slug":"polarization-mode-dispersion-in-fiber-optics","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/polarization-mode-dispersion-in-fiber-optics","title":{"rendered":"\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u306b\u304a\u3051\u308b\u504f\u6ce2\u30e2\u30fc\u30c9\u5206\u6563\uff08PMD\uff09\u3068\u306f\u4f55\u304b"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/1d055290fe85422eb9f0a2076fa31562.webp\" alt=\"What is polarization mode dispersion in fiber optics today\" class=\"wp-image-4005\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/1d055290fe85422eb9f0a2076fa31562.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/1d055290fe85422eb9f0a2076fa31562-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/1d055290fe85422eb9f0a2076fa31562-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/1d055290fe85422eb9f0a2076fa31562-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/1d055290fe85422eb9f0a2076fa31562-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">100G\u3001400G\u304b\u3089\u767b\u5834\u3057\u3064\u3064\u3042\u308b800G\u3078\u3068\u3001\u3088\u308a\u9ad8\u901f\u306a\u30c7\u30fc\u30bf\u30ec\u30fc\u30c8\u3078\u306e\u7d76\u3048\u9593\u306a\u3044\u8ffd\u6c42\u306b\u304a\u3044\u3066\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u591a\u6570\u306e\u8ab2\u984c\u306b\u76f4\u9762\u3057\u3066\u3044\u307e\u3059\u3002\u6e1b\u8870\u3084\u7fa4\u901f\u5ea6\u5206\u6563\uff08CD\uff09\u306f\u3088\u304f\u77e5\u3089\u308c\u3066\u304a\u308a\u3001\u5bb9\u6613\u306b\u7ba1\u7406\u3067\u304d\u307e\u3059\u304c\u3001\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u30b1\u30fc\u30d6\u30eb\u5185\u90e8\u306b\u306f\u3001\u3088\u308a\u5fae\u7d30\u3067\u60aa\u8cea\u306a\u52b9\u679c\u304c\u6f5c\u3093\u3067\u3044\u307e\u3059\uff1a <strong>\u504f\u6ce2\u30e2\u30fc\u30c9\u5206\u6563\uff08PMD\uff09<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u30ac\u30a4\u30c9\u3067\u306f\u3001PMD\u306e\u4ed5\u7d44\u307f\u3092\u5206\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u3001\u306a\u305c\u305d\u308c\u304c\u73fe\u4ee3\u306e\u5149\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3044\u3066\u6975\u3081\u3066\u91cd\u8981\u306a\u8981\u7d20\u3067\u3042\u308b\u304b\u3092\u8aac\u660e\u3059\u308b\u3068\u3068\u3082\u306b\u3001\u5b8c\u74a7\u306a\u6027\u80fd\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306ePMD\u5bfe\u7b56\u624b\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 \u4e3b\u306a\u30dd\u30a4\u30f3\u30c8<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\u504f\u6ce2\u30e2\u30fc\u30c9\u5206\u6563<\/strong> \u306f\u3001\u5149\u304c\u30d5\u30a1\u30a4\u30d0\u30fc\u5185\u3067\u7570\u306a\u308b\u901f\u5ea6\u3067\u4f1d\u642c\u3059\u308b\u969b\u306b\u751f\u3058\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u4fe1\u53f7\u304c\u4e0d\u660e\u77ad\u306b\u306a\u308a\u3001\u30c7\u30fc\u30bf\u8aa4\u308a\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p><\/li><li><p>\u504f\u6ce2\u4fdd\u6301\u30d5\u30a1\u30a4\u30d0\u30fc\u3092\u7528\u3044\u308b\u3053\u3068\u3067\u3001PMD\u3092\u5927\u5e45\u306b\u4f4e\u6e1b\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u4fe1\u53f7\u3092\u5f37\u304f\u4fdd\u3061\u3001\u7406\u89e3\u3057\u3084\u3059\u304f\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p><\/li><li><p>\u30d5\u30a1\u30a4\u30d0\u30fc\u306ePMD\u3092\u5b9a\u671f\u7684\u306b\u6e2c\u5b9a\u30fb\u78ba\u8a8d\u3059\u308b\u3053\u3068\u306f\u6975\u3081\u3066\u91cd\u8981\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u6b63\u5e38\u306a\u52d5\u4f5c\u3092\u7dad\u6301\u3057\u3001\u30c7\u30fc\u30bf\u640d\u5931\u3092\u9632\u6b62\u3067\u304d\u307e\u3059\u3002.<\/p><\/li><li><p>\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u5f62\u72b6\u3001\u5fdc\u529b\u3001\u6e29\u5ea6\u5909\u5316\u3001\u7d4c\u5e74\u52a3\u5316\u306a\u3069\u306e\u8981\u56e0\u304cPMD\u3092\u60aa\u5316\u3055\u305b\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u3053\u308c\u3089\u306e\u8981\u56e0\u3092\u53b3\u5bc6\u306b\u76e3\u8996\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002.<\/p><\/li><li><p>\u9ad8\u54c1\u8cea\u306a\u30d5\u30a1\u30a4\u30d0\u30fc\u8a2d\u8a08\u304a\u3088\u3073\u7279\u6b8a\u306a\u5bfe\u7b56\u3092\u7528\u3044\u308b\u3053\u3068\u3067\u3001PMD\u3092\u5236\u5fa1\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30c7\u30fc\u30bf\u4f1d\u9001\u3092\u9ad8\u901f\u5316\u3057\u3001\u4fe1\u983c\u6027\u3092\u9ad8\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 \u504f\u6ce2\u30e2\u30fc\u30c9\u5206\u6563\uff08PMD\uff09\u3068\u306f\u3001\u6b63\u78ba\u306b\u306f\u4f55\u3067\u3057\u3087\u3046\u304b\uff1f<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u5185\u3092\u4f1d\u642c\u3059\u308b\u5149\u4fe1\u53f7\u306f\u3001\u7279\u5b9a\u306e <strong>\u504f\u6ce2<\/strong> \u72b6\u614b\uff08\u3064\u307e\u308a\u3001\u305d\u306e\u6ce2\u306e\u632f\u52d5\u65b9\u5411\uff09\u3092\u6301\u3064\u96fb\u78c1\u6ce2\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b8c\u5168\u306b\u5186\u5f62\u3067\u7406\u60f3\u7684\u306a\u30d5\u30a1\u30a4\u30d0\u30fc\u3067\u306f\u3001\u7570\u306a\u308b\u504f\u6ce2\u72b6\u614b\u306e\u5149\u304c\u540c\u4e00\u306e\u901f\u5ea6\u3067\u4f1d\u642c\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u5b9f\u969b\u306e\u30d5\u30a1\u30a4\u30d0\u30fc\u306f\u4e0d\u5b8c\u5168\u3067\u3059\u3002\u5fae\u5c0f\u306a\u975e\u5bfe\u79f0\u6027\u3001\u66f2\u3052\u3001\u5fdc\u529b\u306a\u3069\u304c\u5b58\u5728\u3057\u307e\u3059\u3002\u3053\u3046\u3057\u305f\u4e0d\u5b8c\u5168\u3055\u306b\u3088\u308a\u3001\u30d5\u30a1\u30a4\u30d0\u30fc\u306f <strong>\u4e8c\u91cd\u5c48\u6298\u6027<\/strong>, \u3092\u793a\u3057\u3001\u3042\u308b\u504f\u6ce2\u72b6\u614b\uff08\u307e\u305f\u306f\u30e2\u30fc\u30c9\uff09\u3067\u4f1d\u642c\u3059\u308b\u5149\u304c\u3001\u4ed6\u306e\u504f\u6ce2\u72b6\u614b\u3088\u308a\u3082\u308f\u305a\u304b\u306b\u901f\u304f\u9032\u3080\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>PMD\u3068\u306f\u3001\u3053\u306e2\u3064\u306e\u504f\u6ce2\u30e2\u30fc\u30c9\u9593\u306e\u9045\u5ef6\u5dee\u306e\u3053\u3068\u3067\u3059\u3002.<\/strong> \u3053\u306e\u9045\u5ef6\u306b\u3088\u308a\u3001\u5149\u30d1\u30eb\u30b9\u306f\u8ddd\u96e2\u3092\u4f1d\u642c\u3059\u308b\u969b\u306b\u5e83\u304c\u308a\u3001\u96a3\u63a5\u3059\u308b\u30d1\u30eb\u30b9\u3068\u91cd\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30b7\u30f3\u30dc\u30eb\u9593\u5e72\u6e09\uff08ISI\uff09\u306f\u30a8\u30e9\u30fc\u3092\u5f15\u304d\u8d77\u3053\u3057\u3001\u6700\u7d42\u7684\u306b\u306f\u30ea\u30f3\u30af\u306e\u5b8c\u5168\u306a\u969c\u5bb3\u3092\u62db\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 \u306a\u305cPMD\u304c\u73fe\u4ee3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3044\u3066\u91cd\u5927\u306a\u61f8\u5ff5\u4e8b\u9805\u306a\u306e\u304b\uff1f<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8b0115c22acc4ab0bfbe8cc64f0ab828.webp\" alt=\"Polarization Mode Dispersion\" class=\"wp-image-4006\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8b0115c22acc4ab0bfbe8cc64f0ab828.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8b0115c22acc4ab0bfbe8cc64f0ab828-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8b0115c22acc4ab0bfbe8cc64f0ab828-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8b0115c22acc4ab0bfbe8cc64f0ab828-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8b0115c22acc4ab0bfbe8cc64f0ab828-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">PMD\u306e\u5f71\u97ff\u306f\u3001\u5f93\u6765\u306e\u4f4e\u30c7\u30fc\u30bf\u30ec\u30fc\u30c8\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u7121\u8996\u3067\u304d\u308b\u307b\u3069\u5c0f\u3055\u306a\u3082\u306e\u3067\u3057\u305f\u3002\u3057\u304b\u3057\u3001\u4ee5\u4e0b\u306e\u7406\u7531\u304b\u3089\u3001\u73fe\u5728\u3067\u306f\u4e3b\u8981\u306a\u8a2d\u8a08\u5236\u7d04\u3068\u306a\u3063\u3066\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>\u9ad8\u30c7\u30fc\u30bf\u30ec\u30fc\u30c8\uff1a<\/strong> \u30d3\u30c3\u30c8\u30ec\u30fc\u30c8\u304c\u5897\u52a0\u3059\u308b\u306b\u3064\u308c\u3066\uff08\u4f8b\uff1a10G\u304b\u3089400G\u3078\u306e\u79fb\u884c\uff09\u3001\u30d1\u30eb\u30b9\u9593\u306e\u6642\u9593\uff08\u30d3\u30c3\u30c8\u5468\u671f\uff09\u304c\u77ed\u7e2e\u3055\u308c\u307e\u3059\u3002\u56fa\u5b9a\u3055\u308c\u305fPMD\u9045\u5ef6\u306f\u3001\u3053\u306e\u30d3\u30c3\u30c8\u5468\u671f\u306b\u5360\u3081\u308b\u5272\u5408\u304c\u5927\u304d\u304f\u306a\u308a\u3001\u30a8\u30e9\u30fc\u767a\u751f\u306e\u78ba\u7387\u3092\u5287\u7684\u306b\u9ad8\u3081\u307e\u3059\u3002.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u9577\u8ddd\u96e2\u4f1d\u9001\uff1a<\/strong> PMD\u52b9\u679c\u306f <strong>\u7d71\u8a08\u7684\u3067\u3042\u308a\u3001<\/strong> \u8ddd\u96e2\u306e <strong>\u5e73\u65b9\u6839\u306b\u6bd4\u4f8b\u3057\u3066\u84c4\u7a4d\u3057\u307e\u3059\u3002<\/strong>. 10 km\u3067\u306f\u307b\u3068\u3093\u3069\u6c17\u306b\u306a\u3089\u306a\u3044\u554f\u984c\u304c\u30011000 km\u3067\u306f\u58ca\u6ec5\u7684\u306a\u3082\u306e\u3068\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u52d5\u7684\u306a\u74b0\u5883\u5909\u5316\uff1a<\/strong> PMD\u306f\u9759\u7684\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u6e29\u5ea6\u5909\u52d5\u3001\u7269\u7406\u7684\u632f\u52d5\u3001\u30b1\u30fc\u30d6\u30eb\u3078\u306e\u6a5f\u68b0\u7684\u5fdc\u529b\u306a\u3069\u306b\u3088\u3063\u3066\u5909\u5316\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u5358\u7d14\u3067\u56fa\u5b9a\u3055\u308c\u305f\u89e3\u6c7a\u7b56\u3067\u306f\u88dc\u511f\u304c\u56f0\u96e3\u306a\u300c\u52d5\u304f\u6a19\u7684\u300d\u3067\u3042\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 \u4e3b\u8981\u306aPMD\u6307\u6a19\u304a\u3088\u3073\u30d1\u30e9\u30e1\u30fc\u30bf<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">PMD\u4ed5\u69d8\u3092\u7406\u89e3\u3059\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u4e3b\u8981\u306a\u7528\u8a9e\u306b\u51fa\u4f1a\u3046\u3067\u3057\u3087\u3046\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\u7528\u8a9e<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u7565\u8a9e<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u5b9a\u7fa9<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u306a\u305c\u91cd\u8981\u306a\u306e\u304b<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u5dee\u52d5\u7fa4\u9045\u5ef6<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>DGD<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u4e8c\u3064\u306e\u504f\u5149\u30e2\u30fc\u30c9\u9593\u306e\u77ac\u6642\u6642\u9593\u9045\u308c\u3002.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>PMD\u306e\u57fa\u672c\u69cb\u6210\u8981\u7d20\u3067\u3042\u308a\u3001\u6642\u9593\u3068\u3068\u3082\u306b\u30e9\u30f3\u30c0\u30e0\u306b\u5909\u52d5\u3057\u307e\u3059\u3002.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>PMD\u4fc2\u6570<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u2013<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30d5\u30a1\u30a4\u30d0\u54c1\u8cea\u8a55\u4fa1\u5024\u3067\u3001ps\/\u221akm\u3067\u8868\u3055\u308c\u307e\u3059\u3002.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30d5\u30a1\u30a4\u30d0\u9577\u306b\u308f\u305f\u3063\u3066\u3069\u308c\u3060\u3051PMD\u304c\u84c4\u7a4d\u3059\u308b\u304b\u3092\u4e88\u6e2c\u3057\u307e\u3059\u3002\u6570\u5024\u304c\u5c0f\u3055\u3044\u307b\u3069\u512a\u308c\u3066\u3044\u307e\u3059\u3002.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u30ea\u30f3\u30afPMD<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u2013<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u7279\u5b9a\u306e\u30d5\u30a1\u30a4\u30d0\u533a\u9593\u306b\u304a\u3051\u308b\u7dcfPMD\u3002.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u6240\u671b\u306e\u30c7\u30fc\u30bf\u30ec\u30fc\u30c8\u3092\u30b5\u30dd\u30fc\u30c8\u3067\u304d\u308b\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3059\u308b\u969b\u306b\u7528\u3044\u308b\u91cd\u8981\u306a\u5024\u3067\u3059\u3002.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u5e73\u5747DGD<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u2013<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u6642\u9593\u7d4c\u904e\u306b\u4f34\u3046DGD\u306e\u5e73\u5747\u5024\u3002.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>PMD\u306b\u3088\u308b\u30b7\u30b9\u30c6\u30e0\u306e\u969c\u5bb3\u78ba\u7387\uff08\u30a2\u30a6\u30c8\u30ec\u30a4\u30b8\u78ba\u7387\uff09\u3092\u63a8\u5b9a\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002.<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 PMD\u5bfe\u7b56\uff1a\u6226\u7565\u304a\u3088\u3073\u89e3\u6c7a\u7b56<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">PMD\u306e\u7de9\u548c\u306b\u306f\u3001\u591a\u9762\u7684\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u5fc5\u8981\u3067\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p style=\"margin: 0px;\"><strong>\u4f4ePMD\u30d5\u30a1\u30a4\u30d0\u306e\u4f7f\u7528\uff1a<\/strong> \u65b0\u3057\u3044\u30d5\u30a1\u30a4\u30d0\u306f\u3001\u3088\u308a\u53b3\u5bc6\u306a\u57fa\u6e96\u3067\u88fd\u9020\u3055\u308c\u3066\u304a\u308a\u3001PMD\u4fc2\u6570\u306f <strong>1 ps\/\u221akm<\/strong> \u4ee5\u4e0b\u3001\u3042\u308b\u3044\u306f\u3055\u3089\u306b <strong>05 ps\/\u221akm<\/strong>.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u4ee5\u4e0b\u3067\u3059\u3002<\/strong> \u3053\u308c\u3089\u306f\u3001\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u306ePMD\u3092\u6253\u3061\u6d88\u3059\u305f\u3081\u306b\u7b49\u3057\u304f\u9006\u5411\u304d\u306eDGD\u3092\u5c0e\u5165\u3059\u308b\u305f\u3081\u3001\u76f4\u5217\u306b\u914d\u7f6e\u3055\u308c\u308b\u5c02\u7528\u30c7\u30d0\u30a4\u30b9\u3067\u3059\u3002\u52b9\u679c\u7684\u3067\u3059\u304c\u3001\u8907\u96d1\u3067\u9ad8\u4fa1\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u9ad8\u5ea6\u306a\u5909\u8abf\u65b9\u5f0f\u304a\u3088\u3073DSP\uff1a<\/strong> \u6700\u3082\u5f37\u529b\u3067\u6700\u65b0\u306e\u89e3\u6c7a\u7b56\u306f\u3001 <strong>\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u81ea\u4f53\u306b\u3042\u308a\u307e\u3059\u3002<\/strong>. DP-QPSK\u3084DP-16QAM\u306a\u3069\u306e\u9ad8\u5ea6\u306a\u5909\u8abf\u65b9\u5f0f\u3068\u5f37\u529b\u306a <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/digital-signal-processor-functionality-in-optical-transceivers\/\"><strong>\u30c7\u30b8\u30bf\u30eb\u4fe1\u53f7\u51e6\u7406\uff08DSP\uff09<\/strong><\/a> \u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u7528\u3044\u305f\u30b3\u30d2\u30fc\u30ec\u30f3\u30c8\u5149\u5b66\u6280\u8853\u3067\u306f\u3001\u96fb\u5b50\u7684\u306b\u591a\u91cf\u306ePMD\u3092\u88dc\u511f\u53ef\u80fd\u3067\u3042\u308a\u3001\u672c\u8cea\u7684\u306b\u8010\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u3057\u305f\u304c\u3063\u3066\u3001\u9069\u5207\u306a\u5149\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u3001 <strong>\u9ad8\u901f\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u304a\u3088\u30735G\u4f1d\u9001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3051\u308bPMD\u8ab2\u984c\u3092\u514b\u670d\u3059\u308b\u4e0a\u3067\u6700\u3082\u91cd\u8981\u306a\u8981\u7d20\u3068\u306a\u308a\u307e\u3059\u3002<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 \u7d50\u8ad6\uff1aPMD\u306b\u3088\u3063\u3066\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u901f\u5ea6\u4f4e\u4e0b\u3092\u8a31\u3055\u306a\u3044\u3067\u304f\u3060\u3055\u3044<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u504f\u6ce2\u30e2\u30fc\u30c9\u5206\u6563\uff08PMD\uff09<\/strong> \u306f\u3001\u3082\u306f\u3084\u7121\u8996\u3067\u304d\u306a\u3044\u57fa\u672c\u7684\u306a\u7269\u7406\u73fe\u8c61\u3067\u3059\u3002\u901f\u5ea6\u3068\u4f1d\u9001\u8ddd\u96e2\u306e\u9650\u754c\u3092\u62bc\u3057\u5e83\u3052\u308b\u306b\u3064\u308c\u3001PMD\u306e\u7406\u89e3\u3068\u4f4e\u6e1b\u306f\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6027\u80fd\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u6975\u3081\u3066\u91cd\u8981\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ad8\u54c1\u8cea\u306a\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u3078\u306e\u6295\u8cc7\u306b\u52a0\u3048\u3001\u3088\u308a\u91cd\u8981\u3068\u3057\u3066\u3001\u5805\u7262\u306aPMD\u88dc\u511f\u6a5f\u80fd\u3092\u5185\u8535\u3057\u305f\u300c\u77e5\u7684\u306a\u300d <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>\u30aa\u30d7\u30c6\u30a3\u30ab\u30eb\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc<\/strong><\/a> \u5149\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u3067\u3001\u5c06\u6765\u306e\u8981\u6c42\u306b\u3082\u5fdc\u3048\u3089\u308c\u308b\u30a4\u30f3\u30d5\u30e9\u3092\u78ba\u5b9f\u306b\u69cb\u7bc9\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 \u3088\u304f\u3042\u308b\u3054\u8cea\u554f\uff08FAQ\uff09<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >\u504f\u6ce2\u30e2\u30fc\u30c9\u5206\u6563\uff08PMD\uff09\u3068\u306f\u3001\u7c21\u5358\u306b\u8a00\u3046\u3068\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u504f\u6ce2\u30e2\u30fc\u30c9\u5206\u6563\uff08PMD\uff09\u306f\u3001\u5149\u304c\u7570\u306a\u308b\u901f\u5ea6\u3067\u4f1d\u642c\u3059\u308b\u3068\u304d\u306b\u767a\u751f\u3057\u307e\u3059\u3002\u5404\u504f\u6ce2\u306f\u305d\u308c\u305e\u308c\u72ec\u81ea\u306e\u7d4c\u8def\u3092\u305f\u3069\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u4fe1\u53f7\u304c\u307c\u3084\u3051\u3001\u53d7\u4fe1\u7aef\u306b\u7570\u306a\u308b\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u5230\u9054\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u504f\u6ce2\u30e2\u30fc\u30c9\u5206\u6563\uff08PMD\uff09\u306f\u5149\u30d5\u30a1\u30a4\u30d0\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u3069\u306e\u3088\u3046\u306a\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PMD\u306b\u3088\u308a\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u53d6\u308a\u304c\u56f0\u96e3\u306b\u306a\u308a\u307e\u3059\u3002\u4fe1\u53f7\u304c\u6df7\u3056\u308a\u5408\u3063\u305f\u308a\u91cd\u306a\u308a\u5408\u3063\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u8aa4\u308a\u7387\u304c\u5897\u52a0\u3057\u305f\u308a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u901f\u5ea6\u304c\u4f4e\u4e0b\u3057\u305f\u308a\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >PMD\u3092\u4f4e\u6e1b\u3059\u308b\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8a2d\u8a08\u304c\u512a\u308c\u305f\u30d5\u30a1\u30a4\u30d0\u3092\u9078\u629e\u3067\u304d\u307e\u3059\u3002\u504f\u6ce2\u4fdd\u6301\u30d5\u30a1\u30a4\u30d0\u306fPMD\u306e\u4f4e\u6e1b\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u307e\u305f\u3001\u5b9a\u671f\u7684\u306a\u8a66\u9a13\u3068\u7279\u6b8a\u306a\u88c5\u7f6e\u306e\u4f7f\u7528\u3082PMD\u306e\u6291\u5236\u306b\u6709\u52b9\u3067\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u30d5\u30a1\u30a4\u30d0\u5185\u306ePMD\u3092\u6e2c\u5b9a\u3059\u308b\u305f\u3081\u306e\u30c4\u30fc\u30eb\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e72\u6e09\u8a08\u3084\u4f4d\u76f8\u30b7\u30d5\u30c8\u30a2\u30ca\u30e9\u30a4\u30b6\u306a\u3069\u306e\u30c6\u30b9\u30c8\u88c5\u7f6e\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30c4\u30fc\u30eb\u306f\u3001\u30d5\u30a1\u30a4\u30d0\u306b\u304a\u3051\u308bPMD\u306b\u3088\u308b\u9045\u5ef6\u91cf\u3092\u793a\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u4f4e\u3044PMD\u5024\u304c\u3042\u306a\u305f\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u610f\u5473\u3059\u308b\u3053\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f4e\u3044PMD\u5024\u306f\u4fe1\u53f7\u306e\u660e\u77ad\u6027\u3092\u4fdd\u3061\u307e\u3059\u3002\u3088\u308a\u9ad8\u901f\u306a\u30c7\u30fc\u30bf\u9001\u4fe1\u304c\u53ef\u80fd\u306b\u306a\u308a\u3001\u8aa4\u308a\u3082\u5c11\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u5805\u7262\u306b\u4fdd\u305f\u308c\u3001\u826f\u597d\u306a\u6027\u80fd\u3092\u7dad\u6301\u3057\u307e\u3059\u3002.<\/p>","protected":false},"excerpt":{"rendered":"<p>Polarization mode dispersion in fiber optics causes signal distortion and limits data speed. Understand PMD&#8217;s impact and how to manage it in modern networks.<\/p>","protected":false},"author":1,"featured_media":4005,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[27],"tags":[26],"class_list":["post-4007","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/posts\/4007","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/comments?post=4007"}],"version-history":[{"count":3,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/posts\/4007\/revisions"}],"predecessor-version":[{"id":9376,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/posts\/4007\/revisions\/9376"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/media\/4005"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/media?parent=4007"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/categories?post=4007"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/tags?post=4007"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}