{"id":5073,"date":"2025-09-13T00:00:00","date_gmt":"2025-09-13T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/dp-qpsk-dual-polarization-qpsk-explained-and-its-uses\/"},"modified":"2026-06-22T07:19:17","modified_gmt":"2026-06-22T07:19:17","slug":"dp-qpsk-dual-polarization-qpsk-explained-and-its-uses","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/dp-qpsk-dual-polarization-qpsk-explained-and-its-uses","title":{"rendered":"\u30c7\u30e5\u30a2\u30eb\u30fb\u30dd\u30e9\u30e9\u30a4\u30bc\u30fc\u30b7\u30e7\u30f3QPSK\uff08DP-QPSK\uff09\u306e\u89e3\u8aac\uff1a\u73fe\u4ee3\u9ad8\u901f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u99c6\u52d5\u6e90"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1312\" height=\"736\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/dc9d35daf1384ea58ac7fd19009c80cd.webp\" alt=\"What Is Dual-Polarization QPSK and Why Is It Used\" class=\"wp-image-5070\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/dc9d35daf1384ea58ac7fd19009c80cd.webp 1312w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/dc9d35daf1384ea58ac7fd19009c80cd-300x168.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/dc9d35daf1384ea58ac7fd19009c80cd-1024x574.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/dc9d35daf1384ea58ac7fd19009c80cd-768x431.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/dc9d35daf1384ea58ac7fd19009c80cd-18x10.webp 18w\" sizes=\"(max-width: 1312px) 100vw, 1312px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u3088\u308a\u9ad8\u901f\u306a\u30c7\u30fc\u30bf\u30ec\u30fc\u30c8\u3068\u3088\u308a\u5e83\u3044\u5e2f\u57df\u5e45\u3092\u7d76\u3048\u9593\u306a\u304f\u8ffd\u6c42\u3059\u308b\u4e2d\u3067\u3001\u5149\u901a\u4fe1\u696d\u754c\u306f\u5e38\u306b\u9769\u65b0\u3092\u7d9a\u3051\u3066\u3044\u307e\u3059\u3002\u5358\u7d14\u306a\u30aa\u30f3\u30aa\u30d5\u30ad\u30fc\u30ea\u30f3\u30b0\uff08OOK\uff09\u304c\u305d\u306e\u9650\u754c\u306b\u9054\u3057\u305f\u3068\u304d\u3001\u3088\u308a\u6d17\u7df4\u3055\u308c\u305f\u5909\u8abf\u65b9\u5f0f\u304c\u767b\u5834\u3057\u307e\u3057\u305f\u3002\u305d\u306e\u4e2d\u3067\u3001<br>, <strong>\u30c7\u30e5\u30a2\u30eb\u30dd\u30e9\u30ea\u30bc\u30fc\u30b7\u30e7\u30f3\u30fb\u30af\u30a2\u30c9\u30e9\u30c1\u30e3\u30fc\u30d5\u30a7\u30fc\u30ba\u30b7\u30d5\u30c8\u30ad\u30fc\u30ea\u30f3\u30b0\uff08DP-QPSK\uff09<br><\/strong> \u306f\u3001<br> <strong>\u9577\u8ddd\u96e2<\/strong> \u4f1d\u9001\u304b\u3089<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/data-center-interconnect-definition-benefits-and-role-of-optical-modules\/\"><strong>\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u9593\u63a5\u7d9a\uff08DCI\uff09<\/strong><\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001<br> <strong>DP-QPSK\u3068\u306f\u4f55\u304b<br><\/strong>, \u3001\u306a\u305c\u305d\u308c\u304c\u3053\u308c\u307b\u3069\u91cd\u8981\u306a\u306e\u304b\u3001\u305d\u3057\u3066\u305d\u308c\u304c\u3069\u306e\u3088\u3046\u306b\u3057\u3066\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u306e\u5149\u30a8\u30f3\u30b8\u30f3\u3092\u99c6\u52d5\u3057\u3066\u3044\u308b\u306e\u304b\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<br>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2726 \u30c7\u30e5\u30a2\u30eb\u30dd\u30e9\u30ea\u30bc\u30fc\u30b7\u30e7\u30f3QPSK\u3068\u306f\uff1f\u3000\u307e\u305a\u3001\u540d\u79f0\u3092\u89e3\u8aad\u3057\u307e\u3057\u3087\u3046<br><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">DP-QPSK\u3092\u7406\u89e3\u3059\u308b\u306b\u306f\u3001\u982d\u5b57\u8a9e\u3092\u5206\u89e3\u3059\u308b\u306e\u304c\u6700\u3082\u3088\u3044\u65b9\u6cd5\u3067\u3059\uff1a<br><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/what-you-should-know-about-qpsk-modulation-basics-advantages\/\"><strong>QPSK\uff08\u30af\u30a2\u30c9\u30e9\u30c1\u30e3\u30fc\u30d5\u30a7\u30fc\u30ba\u30b7\u30d5\u30c8\u30ad\u30fc\u30ea\u30f3\u30b0\uff09<br><\/strong><\/a>\uff1a\u60c5\u5831\u304c\u5149\u6ce2\u306e<br> <em>\u4f4d\u76f8<br><\/em> \u306b\u7b26\u53f7\u5316\u3055\u308c\u308b\u5909\u8abf\u65b9\u5f0f\u3067\u3059\u3002QPSK\u30b7\u30f3\u30dc\u30eb\u306f\u30014\u3064\u306e\u4f4d\u76f8\uff0845\u00b0\u3001135\u00b0\u3001225\u00b0\u3001315\u00b0\uff09\u306e\u3044\u305a\u308c\u304b\u306b\u5b58\u5728\u3067\u304d\u3001\u305d\u308c\u305e\u308c2\u30d3\u30c3\u30c8\u306e\u30c7\u30fc\u30bf\uff08<br><code>00<\/code>, <code>01<\/code>, <code>11<\/code>, <code>10<\/code>\uff09\u3092\u8868\u3057\u307e\u3059\u3002\u3053\u306e\u305f\u3081\u3001<br> <strong>\u30c7\u30fc\u30bf\u5bb9\u91cf\u304c2\u500d\u306b\u306a\u308a\u307e\u3059<br><\/strong> \u3002\u3053\u308c\u306f\u30011\u30b7\u30f3\u30dc\u30eb\u3042\u305f\u308a1\u30d3\u30c3\u30c8\u3092\u9001\u4fe1\u3059\u308b\u65b9\u5f0f\u3068\u6bd4\u8f03\u3057\u305f\u5834\u5408\u3067\u3059\u3002<br>.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u30c7\u30e5\u30a2\u30eb\u30dd\u30e9\u30ea\u30bc\u30fc\u30b7\u30e7\u30f3\uff08DP\uff09<br><\/strong>\uff1a\u3053\u3053\u304c\u5de7\u5999\u306a\u70b9\u3067\u3059\u3002\u5149\u306f\u96fb\u78c1\u6ce2\u3067\u3042\u308a\u3001\u504f\u5149\uff08\u6ce2\u306e\u632f\u52d5\u65b9\u5411\uff09\u3068\u3044\u3046\u6027\u8cea\u3092\u6301\u3061\u307e\u3059\u3002DP-QPSK\u3067\u306f\u3001<br> <em>two<\/em> \u76f4\u4ea4\u504f\u5149\uff08\u901a\u5e38X\u504f\u5149\u304a\u3088\u3073Y\u504f\u5149\u3068\u547c\u3070\u308c\u308b\uff09\u3092\u7528\u3044\u3066\u3001<br> <strong>\u540c\u3058\u6ce2\u9577\u4e0a\u30672\u3064\u306e\u72ec\u7acb\u3057\u305fQPSK\u4fe1\u53f7\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002<br><\/strong> <em>\u540c\u6642<\/em> \u3053\u308c\u306b\u3088\u308a\u3001\u5b9f\u8cea\u7684\u306b<br> <strong>\u5bb9\u91cf\u304c\u3055\u3089\u306b2\u500d\u306b\u306a\u308a\u307e\u3059\u3002<br><\/strong>.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3089\u306e\u6280\u8853\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001DP-QPSK\u306f<br> <strong>four bits per symbol<\/strong>, \u3092\u9001\u4fe1\u3057\u3001\u6975\u3081\u3066\u30b9\u30da\u30af\u30c8\u30eb\u52b9\u7387\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002<br>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2726 DP-QPSK\u304c\u30b2\u30fc\u30e0\u30c1\u30a7\u30f3\u30b8\u30e3\u30fc\u3067\u3042\u308b\u7406\u7531\uff1a\u4e3b\u306a\u5229\u70b9<br><\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1312\" height=\"736\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/372dd3c4a9c2451a98a35a356d215017.webp\" alt=\"Dual-Polarization QPSK\" class=\"wp-image-5071\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/372dd3c4a9c2451a98a35a356d215017.webp 1312w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/372dd3c4a9c2451a98a35a356d215017-300x168.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/372dd3c4a9c2451a98a35a356d215017-1024x574.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/372dd3c4a9c2451a98a35a356d215017-768x431.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/372dd3c4a9c2451a98a35a356d215017-18x10.webp 18w\" sizes=\"(max-width: 1312px) 100vw, 1312px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><br> <strong>DP-QPSK<\/strong>, \u3001\u7279\u306b<br> <strong>\u30b3\u30d2\u30fc\u30ec\u30f3\u30c8\u691c\u51fa<\/strong>, \u306e\u63a1\u7528\u306f\u3001\u5149\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0\u3092\u9769\u547d\u7684\u306b\u5909\u3048\u307e\u3057\u305f\u3002\u305d\u306e\u7406\u7531\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<br><\/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;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\u6a5f\u80fd<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u5229\u70b9<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u5fdc\u7528<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u9ad8\u30b9\u30da\u30af\u30c8\u30eb\u52b9\u7387<br><\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u5358\u4f4d\u5e2f\u57df\u5e45\uff08Hz\uff09\u3042\u305f\u308a\u3088\u308a\u591a\u304f\u306e\u30c7\u30fc\u30bf\uff08\u30d3\u30c3\u30c8\uff09\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002\u30b9\u30da\u30af\u30c8\u30eb\u306f\u6709\u9650\u306a\u8cc7\u6e90\u3067\u3042\u308b\u305f\u3081\u3001\u3053\u308c\u306f\u6975\u3081\u3066\u91cd\u8981\u3067\u3059\u3002<br>.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u6a19\u6e96\u7684\u306a50GHz\u30c1\u30e3\u30f3\u30cd\u30eb\u30b0\u30ea\u30c3\u30c9\u5185\u3067\u3001\u5358\u4e00\u6ce2\u9577\u4e0a\u306b100Gbps\u4ee5\u4e0a\u306e\u30ec\u30fc\u30c8\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002<br>.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u60aa\u5f71\u97ff\u306b\u5bfe\u3059\u308b\u512a\u308c\u305f\u8010\u6027<br><\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30b3\u30d2\u30fc\u30ec\u30f3\u30c8DP-QPSK\u53d7\u4fe1\u6a5f\u306f\u30c7\u30b8\u30bf\u30eb\u4fe1\u53f7\u51e6\u7406<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/digital-signal-processor-functionality-in-optical-transceivers\/\"><strong>\uff08DSP\uff09<br><\/strong><\/a> \u3092\u7528\u3044\u3066\u3001\u7fa4\u901f\u5ea6\u5206\u6563\uff08CD\uff09\u304a\u3088\u3073\u504f\u6ce2\u30e2\u30fc\u30c9\u5206\u6563\uff08PMD\uff09\u3092\u7a4d\u6975\u7684\u306b\u88dc\u511f\u3057\u307e\u3059\u3002<br>.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u5149\u30d5\u30a1\u30a4\u30d0\u533a\u9593\u306b\u9ad8\u4fa1\u3067\u5c02\u7528\u306e\u5206\u6563\u88dc\u511f\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u8a2d\u7f6e\u3059\u308b\u5fc5\u8981\u304c\u306a\u304f\u306a\u308a\u307e\u3059\u3002.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u512a\u308c\u305f\u5149\u4fe1\u53f7\u5bfe\u96d1\u97f3\u6bd4\uff08OSNR\uff09<\/strong> \u8010\u6027<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u96d1\u97f3\u304c\u5b58\u5728\u3059\u308b\u5834\u5408\u3067\u3082\u3001\u4fe1\u53f7\u3092\u518d\u751f\u305b\u305a\u306b\u9577\u8ddd\u96e2\u4f1d\u9001\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u306e\u57fa\u76e4\u6280\u8853 <strong>\u9577\u8ddd\u96e2<\/strong> \u304a\u3088\u3073 <strong>\u6d77\u5e95\u30b1\u30fc\u30d6\u30eb<\/strong> \u4f1d\u9001\u30b7\u30b9\u30c6\u30e0\u3002.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u62e1\u5f35\u6027<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>DP-16QAM\uff08200G\uff0f400G\u5411\u3051\uff09\u306a\u3069\u306e\u3055\u3089\u306b\u9ad8\u6b21\u5143\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u69cb\u7bc9\u306e\u305f\u3081\u306e\u57fa\u672c\u8981\u7d20\u3068\u306a\u308a\u307e\u3059\u3002.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6295\u8cc7\u3092\u5c06\u6765\u306b\u308f\u305f\u3063\u3066\u6709\u52b9\u306a\u3082\u306e\u3068\u3057\u3001\u30b9\u30e0\u30fc\u30ba\u306a\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002.<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2726 DP-QPSK\u306f\u3069\u3053\u3067\u4f7f\u308f\u308c\u308b\uff1f \u4e3b\u306a\u5fdc\u7528\u5206\u91ce<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3054\u5bb6\u5ead\u306e\u30eb\u30fc\u30bf\u30fc\u306b\u306fDP-QPSK\u306f\u642d\u8f09\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u304c\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u30b3\u30a2\u90e8\u5206\u3067\u6d3b\u8e8d\u3057\u3066\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p style=\"margin: 0px;\"><strong>100G\uff0f200G\u30b3\u30d2\u30fc\u30ec\u30f3\u30c8\u5149\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8<\/strong>\uff1a\u3053\u308c\u304c\u4e3b\u306a\u9069\u7528\u9818\u57df\u3067\u3059\u3002100G\u306e\u30ed\u30f3\u30b0\u30db\u30fc\u30eb\u304a\u3088\u3073\u30e1\u30c8\u30ed\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3051\u308b\u6a19\u6e96\u5909\u8abf\u65b9\u5f0f\u3067\u3042\u308a\u3001200G\u3067\u306f\u9577\u8ddd\u96e2\u4f1d\u9001\u30b7\u30ca\u30ea\u30aa\u3067\u983b\u7e41\u306b\u63a1\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p><\/li><li><p style=\"margin: 0px;\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/data-center-interconnect-definition-benefits-and-role-of-optical-modules\/\"><strong>\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u9593\u63a5\u7d9a\uff08DCI\uff09<\/strong><\/a>\uff1a\u6570\u5341km\u304b\u3089\u6570\u767ekm\u306b\u53ca\u3076\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u9593\u63a5\u7d9a\u306b\u304a\u3044\u3066\u3001, <strong>\u30b3\u30d2\u30fc\u30ec\u30f3\u30c8\u5149\u30e2\u30b8\u30e5\u30fc\u30eb<\/strong> DP-QPSK\u3092\u7528\u3044\u308b\u3053\u3068\u3067\u3001\u4f1d\u9001\u8ddd\u96e2\u30fb\u5bb9\u91cf\u30fb\u30b3\u30b9\u30c8\u306e\u6700\u9069\u306a\u30d0\u30e9\u30f3\u30b9\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u6d77\u5e95\u30b1\u30fc\u30d6\u30eb<\/strong>\uff1a\u96d1\u97f3\u304a\u3088\u3073\u4f1d\u9001\u969c\u5bb3\u306b\u5bfe\u3059\u308b\u8010\u6027\u304c\u6975\u3081\u3066\u9ad8\u304f\u3001\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u5bb9\u91cf\u3092\u78ba\u4fdd\u3057\u305f\u6d77\u6d0b\u6a2a\u65ad\u4f1d\u9001\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002.<\/p><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2726 LINK-PP\u306e\u5149\u30a4\u30ce\u30d9\u30fc\u30b7\u30e7\u30f3\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u652f\u3048\u308b<\/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\/39a2c95874c24645be043d9e62a2e807.webp\" alt=\"Coherent Transceivers\" class=\"wp-image-5072\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/39a2c95874c24645be043d9e62a2e807.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/39a2c95874c24645be043d9e62a2e807-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/39a2c95874c24645be043d9e62a2e807-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/39a2c95874c24645be043d9e62a2e807-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/39a2c95874c24645be043d9e62a2e807-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>SSL\u306e\u5c0e\u5165<\/strong>\u306f\u3001\u5358\u306a\u308b\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3067\u306f\u306a\u304f\u3001\u5fc5\u9808\u306e\u6a19\u6e96\u3067\u3059\u3002\u305d\u306e\u30e1\u30ea\u30c3\u30c8\u306f\u3001\u57fa\u672c\u7684\u306a\u6697\u53f7\u5316\u3092\u306f\u308b\u304b\u306b\u8d85\u3048\u3066\u3044\u307e\u3059\u3002 <strong>DP-QPSK<\/strong> \u306f\u3001\u9ad8\u5ea6\u306b\u96c6\u7a4d\u5316\u3055\u308c\u3001\u6d17\u7df4\u3055\u308c\u305f\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3092\u5fc5\u8981\u3068\u3057\u307e\u3059\u3002\u3053\u3046\u3057\u305f\u5206\u91ce\u3067\u5353\u8d8a\u3057\u305f\u6027\u80fd\u3092\u767a\u63ee\u3059\u308b\u306e\u304c\u3001 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/page\/aboutus.htm\"><strong>LINK-PP<\/strong><\/a> LINK-PP\u306e\u3088\u3046\u306a\u5148\u9032\u7684\u5149\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30e1\u30fc\u30ab\u30fc\u3067\u3059\u3002LINK-PP\u306e <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/coherent-transceivers-high-speed-data-transmission-explained\/\"><strong>\u30b3\u30d2\u30fc\u30ec\u30f3\u30c8\u5149\u30e2\u30b8\u30e5\u30fc\u30eb<\/strong><\/a> \u306f\u3001\u3053\u306e\u6280\u8853\u306e\u6f5c\u5728\u80fd\u529b\u3092\u6700\u5927\u9650\u306b\u5f15\u304d\u51fa\u3059\u3088\u3046\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u904b\u7528\u8005\u306b\u4fe1\u983c\u6027\u30fb\u9ad8\u6027\u80fd\u3092\u517c\u306d\u5099\u3048\u305f\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u306e\u4ee3\u8868\u4f8b\u304c\u3001 <strong>LINK-PP<\/strong> CFP2\u30b3\u30d2\u30fc\u30ec\u30f3\u30c8\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30e2\u30b8\u30e5\u30fc\u30eb\u3002\u3053\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u306f100G\uff0f200G\u7528\u9014\u5411\u3051\u306b\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u3001DP-QPSK\u5909\u8abf\u3092\u6d3b\u7528\u3057\u3066\u3001 <strong>\u9577\u8ddd\u96e2\u4f1d\u9001<\/strong> \u304a\u3088\u3073 <strong>\u30e1\u30c8\u30ed\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/strong> \u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u5411\u3051\u306b\u512a\u308c\u305f\u6027\u80fd\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002\u8907\u96d1\u306a\u4f1d\u9001\u969c\u5bb3\u88dc\u511f\u3092\u51e6\u7406\u3059\u308b\u5f37\u529b\u306a\u5185\u8535DSP\u3092\u642d\u8f09\u3057\u3066\u304a\u308a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u8a08\u306e\u7c21\u7d20\u5316\u3068\u904b\u7528\u30b3\u30b9\u30c8\u524a\u6e1b\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b3\u30d2\u30fc\u30ec\u30f3\u30c8\u5149\u30c7\u30d0\u30a4\u30b9\u306e\u8abf\u9054\u3092\u691c\u8a0e\u4e2d\u306e\u65b9\u3001\u3042\u308b\u3044\u306f <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26045-400g-qsfp-dd-osfp-qsfp112.htm\"><strong>\u9ad8\u901f\u5149\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc<\/strong><\/a> \u30b3\u30d2\u30fc\u30ec\u30f3\u30c8\u5149\u6280\u8853\u6226\u7565\u306e\u7b56\u5b9a\u3092\u8a08\u753b\u4e2d\u306e\u65b9\u3078\u3001 <strong>\u30b3\u30d2\u30fc\u30ec\u30f3\u30c8\u5149\u6280\u8853\u6226\u7565<\/strong>, DP-QPSK\u306e\u5f79\u5272\u3092\u7406\u89e3\u3057\u3001LINK-PP\u306e\u3088\u3046\u306a\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u30ea\u30fc\u30c0\u30fc\u3068\u63d0\u643a\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002 <strong>LINK-PP<\/strong> \u3092\u9078\u5b9a\u3059\u308b\u3053\u3068\u306f\u6975\u3081\u3066\u91cd\u8981\u306a\u30b9\u30c6\u30c3\u30d7\u3067\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2726 \u7d50\u8ad6\uff1a\u3088\u308a\u9ad8\u901f\u306a\u672a\u6765\u306e\u57fa\u76e4<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"qc-p1-tag\" style=\"color: rgb(15, 17, 21);\"><strong>\u30c7\u30e5\u30a2\u30eb\u30dd\u30e9\u30ea\u30bc\u30fc\u30b7\u30e7\u30f3QPSK<\/strong> \u306f\u5358\u306a\u308b\u8907\u96d1\u306a\u982d\u5b57\u8a9e\u306b\u3068\u3069\u307e\u3089\u305a\u3001100G\u4ee5\u964d\u306e\u6642\u4ee3\u3092\u53ef\u80fd\u306b\u3057\u305f\u4e3b\u529b\u5909\u8abf\u65b9\u5f0f\u3067\u3059\u3002\u5149\u306e\u4f4d\u76f8\u3068\u504f\u6ce2\u306e\u4e21\u65b9\u3092\u5de7\u307f\u306b\u5236\u5fa1\u3059\u308b\u3053\u3068\u3067\u3001\u73fe\u4ee3\u306e\u30b0\u30ed\u30fc\u30d0\u30eb\u901a\u4fe1\u304c\u6c42\u3081\u308b\u30b9\u30da\u30af\u30c8\u30eb\u52b9\u7387\u3001\u4f1d\u9001\u8ddd\u96e2\u3001\u304a\u3088\u3073\u8010\u969c\u5bb3\u6027\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002800G\u304a\u3088\u30731.6T\u3078\u3068\u9032\u3080\u4e2d\u3067\u3001DP-QPSK\u304c\u78ba\u7acb\u3057\u305f\u539f\u7406\u306f\u4eca\u5f8c\u3082\u5149\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0\u306e <\/span><span class=\"qc-p1-tag\"><strong>\u672a\u6765\u3092\u652f\u3048\u7d9a\u3051\u307e\u3059\u3002<\/strong><\/span><span class=\"qc-p1-tag\" style=\"color: rgb(15, 17, 21);\">.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud83d\ude80 \u5149\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3092\u691c\u8a0e\u4e2d\u3067\u3059\u304b\uff1f<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b3\u30d2\u30fc\u30ec\u30f3\u30c8\u6280\u8853\u304a\u3088\u3073DP-QPSK\u306e\u30d1\u30ef\u30fc\u3092\u6d3b\u7528\u3057\u3001 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.link-pp.com\/\"><strong>LINK-PP<\/strong><\/a>\u2018\u306e\u696d\u754c\u30c8\u30c3\u30d7\u30af\u30e9\u30b9\u306e\u5149\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u3054\u63a1\u7528\u304f\u3060\u3055\u3044\u3002. <strong>\u9ad8\u6027\u80fd100G\u304a\u3088\u3073200G\u30b3\u30d2\u30fc\u30ec\u30f3\u30c8\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u88fd\u54c1\u7fa4\u3092\u305c\u3072\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/strong> \u3042\u306a\u305f\u306e\u30ed\u30f3\u30b0\u30db\u30fc\u30eb\u3001\u30e1\u30c8\u30ed\u3001\u307e\u305f\u306f <strong>\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u9593\u63a5\u7d9a\uff08DCI\uff09<br><\/strong> \u8981\u4ef6\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u27a1\ufe0f <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/support.htm\"><strong>\u672c\u65e5\u3059\u3050\u5c02\u9580\u5bb6\u306b\u3054\u76f8\u8ac7\u304f\u3060\u3055\u3044\uff01<\/strong><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2726 \u3088\u304f\u3042\u308b\u3054\u8cea\u554f\uff08FAQ\uff09<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >DP-QPSK\u306f\u901a\u5e38\u306eQPSK\u3068\u4f55\u304c\u9055\u3046\u306e\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DP-QPSK\u3067\u306f\u30011\u3064\u306e\u504f\u6ce2\u3067\u306f\u306a\u304f2\u3064\u306e\u504f\u6ce2\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u540c\u4e00\u30c1\u30e3\u30cd\u30eb\u30672\u500d\u306e\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u624b\u6cd5\u306b\u3088\u308a\u3001\u5e2f\u57df\u5e45\u3092\u5897\u3084\u3059\u3053\u3068\u306a\u304f\u3088\u308a\u9ad8\u901f\u306a\u901a\u4fe1\u304c\u5b9f\u73fe\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >DP-QPSK\u3092\u5b9f\u88c5\u3059\u308b\u306b\u306f\u3069\u306e\u3088\u3046\u306a\u6a5f\u5668\u304c\u5fc5\u8981\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">You need special transmitters and receivers that handle two polarizations. Digital signal processors help you separate and decode the signals. 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