{"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\/ko\/glossary\/polarization-mode-dispersion-in-fiber-optics","title":{"rendered":"\uad11\uc12c\uc720\uc5d0\uc11c\uc758 \ud3b8\uad11 \ubaa8\ub4dc \ubd84\uc0b0(PMD)\uc774\ub780 \ubb34\uc5c7\uc778\uac00?"},"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\">\ub354 \ube60\ub978 \ub370\uc774\ud130 \uc804\uc1a1 \uc18d\ub3c4\u2014100G \ubc0f 400G\uc5d0\uc11c \uc0c8\ub85c \ub4f1\uc7a5\ud558\ub294 800G\uae4c\uc9c0\u2014\ub97c \ud5a5\ud55c \ub04a\uc784\uc5c6\ub294 \ucd94\uad6c \uc18d\uc5d0\uc11c \ub124\ud2b8\uc6cc\ud06c \uc5d4\uc9c0\ub2c8\uc5b4\ub4e4\uc740 \ub2e4\uc218\uc758 \uacfc\uc81c\uc5d0 \uc9c1\uba74\ud569\ub2c8\ub2e4. \uac10\uc1e0\uc640 \uc0c9\ubd84\uc0b0\uc740 \uc798 \uc54c\ub824\uc838 \uc788\uace0 \uc27d\uac8c \uad00\ub9ac\ud560 \uc218 \uc788\uc9c0\ub9cc, \uad11\uc12c\uc720 \ucf00\uc774\ube14 \ub0b4\ubd80\uc5d0\ub294 \ub354\uc6b1 \ubbf8\ubb18\ud558\uace0 \uce58\uba85\uc801\uc778 \ud6a8\uacfc\uac00 \uc228\uc5b4 \uc788\uc2b5\ub2c8\ub2e4: <strong>\ud3b8\uad11 \ubaa8\ub4dc \ubd84\uc0b0(Polarization Mode Dispersion, PMD)<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubcf8 \uac00\uc774\ub4dc\ub294 PMD\ub97c \uba85\ud655\ud788 \uc124\uba85\ud558\uace0, \uc65c \uc774\uac83\uc774 \ud604\ub300 \uad11\ud559 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \ud575\uc2ec \uc694\uc18c\uc778\uc9c0, \uadf8\ub9ac\uace0 \uc624\ub958 \uc5c6\ub294 \uc131\ub2a5\uc744 \uc704\ud574 \uadf8 \uc601\ud5a5\uc744 \uc5b4\ub5bb\uac8c \uc644\ud654\ud560 \uc218 \uc788\ub294\uc9c0\ub97c \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 \uc8fc\uc694 \uc694\uc57d<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\ud3b8\uad11 \ubaa8\ub4dc \ubd84\uc0b0<\/strong> \ube5b\uc774 \uad11\uc12c\uc720 \ub0b4\uc5d0\uc11c \uc11c\ub85c \ub2e4\ub978 \uc18d\ub3c4\ub85c \uc774\ub3d9\ud560 \ub54c \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc774\ub85c \uc778\ud574 \uc2e0\ud638\uac00 \ud750\ub824\uc9c0\uace0 \ub370\uc774\ud130 \uc624\ub958\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/li><li><p>\ud3b8\uad11 \uc720\uc9c0 \uad11\uc12c\uc720\ub97c \uc0ac\uc6a9\ud558\uba74 PMD\ub97c \ud06c\uac8c \uc904\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc2e0\ud638 \uac15\ub3c4\ub97c \uc720\uc9c0\ud558\uace0 \ud574\uc11d\uc744 \uc6a9\uc774\ud558\uac8c \ud569\ub2c8\ub2e4.<\/p><\/li><li><p>\uad11\uc12c\uc720\ub97c \uc815\uae30\uc801\uc73c\ub85c \ud14c\uc2a4\ud2b8\ud558\uc5ec PMD\ub97c \uc810\uac80\ud558\ub294 \uac83\uc774 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \uc774\ub294 \ub124\ud2b8\uc6cc\ud06c\uc758 \uc6d0\ud65c\ud55c \uc791\ub3d9\uc744 \uc720\uc9c0\ud558\uace0 \ub370\uc774\ud130 \uc190\uc2e4\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4.<\/p><\/li><li><p>\uad11\uc12c\uc720\uc758 \ud615\uc0c1, \uc751\ub825, \uc628\ub3c4 \ubcc0\ud654, \ub178\ud654 \ub4f1\uc740 PMD\ub97c \uc545\ud654\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc774\ub7ec\ud55c \uc694\uc778\ub4e4\uc744 \uba74\ubc00\ud788 \ubaa8\ub2c8\ud130\ub9c1\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p><\/li><li><p>\uc6b0\uc218\ud55c \uad11\uc12c\uc720 \uc124\uacc4\uc640 \ud2b9\uc218\ud55c \ud574\uacb0\ucc45\uc744 \ud65c\uc6a9\ud558\uba74 PMD\ub97c \ud6a8\uacfc\uc801\uc73c\ub85c \uc81c\uc5b4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ub370\uc774\ud130 \uc804\uc1a1 \uc18d\ub3c4\ub97c \ub192\uc774\uace0 \uc2e0\ub8b0\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 \ud3b8\uad11 \ubaa8\ub4dc \ubd84\uc0b0(PMD)\uc774\ub780 \uc815\ud655\ud788 \ubb34\uc5c7\uc778\uac00\uc694?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uad11\uc12c\uc720\ub97c \ud1b5\ud574 \uc804\ud30c\ub418\ub294 \uad11 \uc2e0\ud638\ub294 \ud2b9\uc815\ud55c <strong>\ud3b8\uad11<\/strong> \uc0c1\ud0dc\u2014\uc989, \ud30c\ub3d9 \uc9c4\ub3d9\uc758 \ubc29\ud5a5\u2014\ub97c \uac16\ub294 \uc804\uc790\uae30\ud30c\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc644\ubcbd\ud558\uac8c \uc6d0\ud615\uc778 \uc774\uc0c1\uc801\uc778 \uad11\uc12c\uc720\uc5d0\uc11c\ub294 \uc11c\ub85c \ub2e4\ub978 \ud3b8\uad11 \uc0c1\ud0dc\ub97c \uac16\ub294 \ube5b\uc774 \ub3d9\uc77c\ud55c \uc18d\ub3c4\ub85c \uc804\ud30c\ub429\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc2e4\uc81c \uad11\uc12c\uc720\ub294 \uc644\ubcbd\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ubbf8\uc138\ud55c \ube44\ub300\uce6d\uc131, \uad74\uace1, \uc751\ub825 \ub4f1\uc774 \uc874\uc7ac\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uacb0\ud568\uc73c\ub85c \uc778\ud574 \uad11\uc12c\uc720\ub294 <strong>\uc774\uc911\uad74\uc808\uc131<\/strong>, \uc744 \ub760\uac8c \ub418\uba70, \uc774\ub294 \ud55c \ud3b8\uad11 \uc0c1\ud0dc(\ub610\ub294 \ubaa8\ub4dc)\ub85c \uc804\ud30c\ub418\ub294 \ube5b\uc774 \ub2e4\ub978 \ud3b8\uad11 \uc0c1\ud0dc\ubcf4\ub2e4 \uc57d\uac04 \ube60\ub974\uac8c \uc774\ub3d9\ud55c\ub2e4\ub294 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>PMD\ub294 \uc774 \ub450 \ud3b8\uad11 \ubaa8\ub4dc \uc0ac\uc774\uc758 \ucc28\ubd84 \uc9c0\uc5f0\uc785\ub2c8\ub2e4.<\/strong> \uc774 \uc9c0\uc5f0\uc73c\ub85c \uc778\ud574 \ube5b\uc758 \ud384\uc2a4\uac00 \uac70\ub9ac\uc5d0 \ub530\ub77c \ud37c\uc9c0\uac8c \ub418\uace0, \uc778\uc811\ud55c \ud384\uc2a4\uc640 \uacb9\uce60 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc2ec\ubcfc \uac04 \uac04\uc12d(ISI)\uc740 \uc624\ub958\ub97c \uc720\ubc1c\ud558\uba70 \uad81\uadf9\uc801\uc73c\ub85c \ub9c1\ud06c\uc758 \uc644\uc804\ud55c \uc7a5\uc560\ub85c \uc774\uc5b4\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 \uc65c PMD\uac00 \ud604\ub300 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \uc8fc\uc694 \uc6b0\ub824 \uc0ac\ud56d\uc778\uac00\uc694?<\/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\uc758 \uc601\ud5a5\uc740 \uc774\uc804\uc758 \uc800\uc18d \ub370\uc774\ud130 \uc804\uc1a1 \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub294 \ubb34\uc2dc\ud560 \uc218 \uc788\uc5c8\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ub2e4\uc74c\uacfc \uac19\uc740 \uc5ec\ub7ec \uc774\uc720\ub85c \uc778\ud574 \ud604\uc7ac\ub294 \uc8fc\uc694 \uc124\uacc4 \uc81c\uc57d \uc870\uac74\uc774 \ub418\uc5c8\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>\ub192\uc740 \ub370\uc774\ud130 \uc804\uc1a1 \uc18d\ub3c4:<\/strong> \ube44\ud2b8 \uc18d\ub3c4\uac00 \uc99d\uac00\ud568\uc5d0 \ub530\ub77c(\uc608: 10G\uc5d0\uc11c 400G\ub85c \uc774\ub3d9), \ud384\uc2a4 \uac04 \uc2dc\uac04(\ube44\ud2b8 \uc8fc\uae30)\uc774 \uc904\uc5b4\ub4ed\ub2c8\ub2e4. \uace0\uc815\ub41c PMD \uc9c0\uc5f0\uc740 \uc774 \ube44\ud2b8 \uc8fc\uae30\uc758 \uc810\uc810 \ub354 \ud070 \ube44\uc728\uc744 \ucc28\uc9c0\ud558\uac8c \ub418\uc5b4 \uc624\ub958 \ubc1c\uc0dd \uac00\ub2a5\uc131\uc774 \uae09\uaca9\ud788 \uc99d\uac00\ud569\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\uc7a5\uac70\ub9ac \uc804\uc1a1:<\/strong> PMD \ud6a8\uacfc\ub294 <strong>\ud1b5\uacc4\uc801\uc785\ub2c8\ub2e4<\/strong> \uadf8\ub9ac\uace0 \uac70\ub9ac\uc758 <strong>\uc81c\uacf1\uadfc\uc5d0 \ube44\ub840\ud558\uc5ec \ub204\uc801\ub429\ub2c8\ub2e4<\/strong>. 10km\uc5d0\uc11c\ub294 \uac70\uc758 \ub208\uc5d0 \ub744\uc9c0 \uc54a\ub358 \ubb38\uc81c\uac00 1000km\uc5d0\uc11c\ub294 \uce58\uba85\uc801\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\ub3d9\uc801 \ud658\uacbd \ubcc0\ud654:<\/strong> PMD\ub294 \uc815\uc801\uc774\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc628\ub3c4 \ubcc0\ud654, \ubb3c\ub9ac\uc801 \uc9c4\ub3d9, \ucf00\uc774\ube14\uc5d0 \uac00\ud574\uc9c0\ub294 \uae30\uacc4\uc801 \uc751\ub825 \ub4f1\uc5d0 \ub530\ub77c \ubcc0\ub3d9\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \ub2e8\uc21c\ud558\uace0 \uace0\uc815\ub41c \ud574\uacb0\ucc45\uc73c\ub85c \ubcf4\uc0c1\ud558\uae30 \uc5b4\ub824\uc6b4 \u2018\uc6c0\uc9c1\uc774\ub294 \ubaa9\ud45c\u2019\uac00 \ub429\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 \uc8fc\uc694 PMD \uce21\uc815 \ud56d\ubaa9 \ubc0f \ud30c\ub77c\ubbf8\ud130<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">PMD \uc0ac\uc591\uc744 \uc774\ud574\ud558\ub824\uba74 \ub2e4\uc74c \ud575\uc2ec \uc6a9\uc5b4\ub4e4\uc744 \uc811\ud558\uac8c \ub420 \uac83\uc785\ub2c8\ub2e4:<\/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>\uc6a9\uc5b4<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc57d\uc5b4<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc815\uc758<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc774\uc720\uac00 \ubb34\uc5c7\uc778\uac00<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\ucc28\ubd84 \uad70\uc18d\ub3c4 \uc9c0\uc5f0<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>DGD<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub450 \ud3b8\uad11 \ubaa8\ub4dc \uc0ac\uc774\uc758 \uc21c\uac04\uc801\uc778 \uc2dc\uac04 \uc9c0\uc5f0\uc785\ub2c8\ub2e4.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>PMD\uc758 \uae30\ubcf8 \uad6c\uc131 \uc694\uc18c\uc774\uba70, \uc2dc\uac04\uc5d0 \ub530\ub77c \ubb34\uc791\uc704\ub85c \ubcc0\ub3d9\ud569\ub2c8\ub2e4.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>PMD \uacc4\uc218<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u2013<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc12c\uc720 \ud488\uc9c8 \ub4f1\uae09\uc73c\ub85c ps\/\u221akm \ub2e8\uc704\ub85c \ud45c\uc2dc\ub429\ub2c8\ub2e4.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ud2b9\uc815 \uae38\uc774\uc758 \uad11\uc12c\uc720\uc5d0\uc11c \ub204\uc801\ub418\ub294 PMD \uc591\uc744 \uc608\uce21\ud569\ub2c8\ub2e4. \uac12\uc774 \ub0ae\uc744\uc218\ub85d \uc88b\uc2b5\ub2c8\ub2e4.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\ub9c1\ud06c PMD<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u2013<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ud2b9\uc815 \uad11\uc12c\uc720 \uad6c\uac04\uc5d0 \ub300\ud55c \ucd1d PMD\uc785\ub2c8\ub2e4.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc5d4\uc9c0\ub2c8\uc5b4\uac00 \ud574\ub2f9 \ub9c1\ud06c\uac00 \uc6d0\ud558\ub294 \ub370\uc774\ud130 \uc804\uc1a1 \uc18d\ub3c4\ub97c \uc9c0\uc6d0\ud560 \uc218 \uc788\ub294\uc9c0 \ud310\ub2e8\ud558\ub294 \ub370 \uc0ac\uc6a9\ud558\ub294 \ud575\uc2ec \uac12\uc785\ub2c8\ub2e4.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\ud3c9\uade0 DGD<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u2013<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc2dc\uac04\uc5d0 \ub530\ub978 DGD\uc758 \ud3c9\uade0\uac12\uc785\ub2c8\ub2e4.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>PMD\ub85c \uc778\ud55c \uc2dc\uc2a4\ud15c \uc544\uc6c3\uc138\uc774\uc9c0 \ud655\ub960\uc744 \ucd94\uc815\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 PMD \ub300\uc751 \ubc29\uc548: \uc804\ub7b5 \ubc0f \ud574\uacb0\ucc45<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">PMD \uc644\ud654\uc5d0\ub294 \ub2e4\uac01\uc801\uc778 \uc811\uadfc\uc774 \ud544\uc694\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p style=\"margin: 0px;\"><strong>\uc800-PMD \uad11\uc12c\uc720 \uc0ac\uc6a9:<\/strong> \ucd5c\uc2e0 \uad11\uc12c\uc720\ub294 \ud6e8\uc52c \ub354 \uc5c4\uaca9\ud55c \uae30\uc900\uc73c\ub85c \uc81c\uc870\ub418\uc5b4 PMD \uacc4\uc218\uac00 <strong>1 ps\/\u221akm<\/strong> \uc774\ud558 \ub610\ub294 \uc2ec\uc9c0\uc5b4 <strong>05 ps\/\u221akm<\/strong>.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\uc5d0 \ub3c4\ub2ec\ud569\ub2c8\ub2e4.<\/strong> \uad11\ud559 PMD \ubcf4\uc0c1\uae30(PMDC):.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\uc774\ub4e4\uc740 \uad11\uc120 \uacbd\ub85c\uc5d0 \uc9c1\ub82c\ub85c \uc124\uce58\ub418\ub294 \ud2b9\uc218 \uc7a5\uce58\ub85c, \uad11\uc12c\uc720\uc758 PMD\ub97c \uc0c1\uc1c4\ud558\uae30 \uc704\ud574 \ub3d9\uc77c\ud558\uc9c0\ub9cc \ubc18\ub300 \ubc29\ud5a5\uc758 DGD\ub97c \ub3c4\uc785\ud569\ub2c8\ub2e4. \ud6a8\uacfc\uc801\uc774\uc9c0\ub9cc \ubcf5\uc7a1\ud558\uace0 \ube44\uc6a9\uc774 \ub192\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/strong> \uace0\uae09 \ubcc0\uc870 \ubc29\uc2dd \ubc0f DSP: <strong>\uac00\uc7a5 \uac15\ub825\ud558\uace0 \ud604\ub300\uc801\uc778 \ud574\uacb0\ucc45\uc740<\/strong>. \uace0\uae09 \ubcc0\uc870 \ubc29\uc2dd(\uc608: DP-QPSK, DP-16QAM)\uacfc \uac15\ub825\ud55c<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/digital-signal-processor-functionality-in-optical-transceivers\/\"><strong>\ub514\uc9c0\ud138 \uc2e0\ud638 \ucc98\ub9ac(DSP)<\/strong><\/a> \uc54c\uace0\ub9ac\uc998\uc744 \uc0ac\uc6a9\ud558\ub294 \uc77c\uad00\uc131 \uad11\ud559 \uae30\uc220\uc740 \uc804\uc790\uc801\uc73c\ub85c \uc0c1\ub2f9\ub7c9\uc758 \ud3b8\uad11 \ubaa8\ub4dc \ubd84\uc0b0(PMD)\uc744 \ubcf4\uc0c1\ud560 \uc218 \uc788\uc5b4 \ubcf8\uc9c8\uc801\uc73c\ub85c \ub0b4\uad6c\uc131\uc774 \ub6f0\uc5b4\ub0a9\ub2c8\ub2e4.<br>.<\/p><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5ec\uae30\uc11c \uc801\uc808\ud55c \uad11\ud559 \ubaa8\ub4c8\uc744 \uc120\ud0dd\ud558\ub294 \uac83\uc774<br> <strong>\uace0\uc18d \ub370\uc774\ud130 \uc13c\ud130 \ubc0f 5G \uc804\uc1a1 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c PMD \ubb38\uc81c\ub97c \uadf9\ubcf5\ud558\uae30 \uc704\ud55c \uac00\uc7a5 \ud575\uc2ec\uc801\uc778 \uc694\uc18c\uac00 \ub429\ub2c8\ub2e4.<br><\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 \uacb0\ub860: PMD\uac00 \uadc0\ud558\uc758 \ub124\ud2b8\uc6cc\ud06c \uc18d\ub3c4\ub97c \ub2a6\ucd94\uac8c \ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624<br><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud3b8\uad11 \ubaa8\ub4dc \ubd84\uc0b0(Polarization Mode Dispersion)<br><\/strong> \uc740 \ub354 \uc774\uc0c1 \ubb34\uc2dc\ud560 \uc218 \uc5c6\ub294 \uadfc\ubcf8\uc801\uc778 \ubb3c\ub9ac\uc801 \ud604\uc0c1\uc785\ub2c8\ub2e4. \uc6b0\ub9ac\ub294 \uc18d\ub3c4\uc640 \uc804\uc1a1 \uac70\ub9ac\uc758 \ud55c\uacc4\ub97c \uacc4\uc18d \ud655\uc7a5\ud574 \ub098\uac00\uace0 \uc788\uc73c\ubbc0\ub85c, PMD\ub97c \uc774\ud574\ud558\uace0 \uc644\ud654\ud558\ub294 \uac83\uc774 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \ub124\ud2b8\uc6cc\ud06c \uc131\ub2a5\uc744 \ub2ec\uc131\ud558\uae30 \uc704\ud574 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<br>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uace0\ud488\uc9c8 \uad11\uc12c\uc720\uc5d0 \ud22c\uc790\ud558\ub294 \uac83\ubfd0 \uc544\ub2c8\ub77c, \ubb34\uc5c7\ubcf4\ub2e4\ub3c4 \ub0b4\uc7a5\ub41c \uac15\ub825\ud55c PMD \ubcf4\uc0c1 \uae30\ub2a5\uc744 \uac16\ucd98 \uc9c0\ub2a5\ud615<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>\uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84<\/strong><\/a> \uad11\ud559 \ubaa8\ub4c8\uc744 \uc120\ud0dd\ud568\uc73c\ub85c\uc368 \uadc0\ud558\uc758 \uc778\ud504\ub77c\uac00 \ubbf8\ub798\uc758 \uc694\uad6c \uc0ac\ud56d\uc744 \ucda9\uc871\ud560 \uc218 \uc788\ub3c4\ub85d \ubcf4\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<br>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 \uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38(FAQ)<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >\ud3b8\uad11 \ubaa8\ub4dc \ubd84\uc0b0(PMD)\uc774\ub780 \uac04\ub2e8\ud788 \ub9d0\ud558\uba74 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud3b8\uad11 \ubaa8\ub4dc \ubd84\uc0b0(PMD)\uc740 \ube5b\uc774 \uc11c\ub85c \ub2e4\ub978 \uc18d\ub3c4\ub85c \uc804\ud30c\ub420 \ub54c \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uac01 \ud3b8\uad11 \uc131\ubd84\uc740 \uace0\uc720\ud55c \ubc29\uc2dd\uc73c\ub85c \uc804\ud30c\ub418\uba70, \uc774\ub85c \uc778\ud574 \uc2e0\ud638\uac00 \ud750\ub824\uc9c0\uace0 \uc11c\ub85c \ub2e4\ub978 \uc2dc\uc810\uc5d0 \uc218\uc2e0\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >PMD\ub294 \uad11\uc12c\uc720 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \uc5b4\ub5a4 \ubb38\uc81c\ub97c \uc77c\uc73c\ud0a4\ub098\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PMD\ub294 \ub370\uc774\ud130\ub97c \uc77d\uae30 \uc5b4\ub835\uac8c \ub9cc\ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc2e0\ud638\uac00 \uc11c\ub85c \uc11e\uc774\uac70\ub098 \uacb9\uccd0\uc9c8 \uc218 \uc788\uc73c\uba70, \uc624\ub958\uac00 \uc99d\uac00\ud558\uac70\ub098 \ub124\ud2b8\uc6cc\ud06c \uc18d\ub3c4\uac00 \ub290\ub824\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >PMD\ub97c \uc904\uc774\uae30 \uc704\ud574 \ubb34\uc5c7\uc744 \ud560 \uc218 \uc788\ub098\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc124\uacc4\uac00 \uc6b0\uc218\ud55c \uad11\uc12c\uc720\ub97c \uc120\ud0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud3b8\uad11 \uc720\uc9c0 \uad11\uc12c\uc720(Polarization-maintaining fibers)\ub294 PMD\ub97c \ub0ae\ucd94\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4. \ub610\ud55c \uc815\uae30\uc801\uc778 \uce21\uc815\uacfc \ud2b9\uc218 \uc7a5\uce58\uc758 \uc0ac\uc6a9\ub3c4 PMD\ub97c \uc5b5\uc81c\ud558\ub294 \ub370 \ud6a8\uacfc\uc801\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\uad11\uc12c\uc720 \ub0b4 PMD\ub97c \uce21\uc815\ud558\ub294 \ub370 \uc0ac\uc6a9\ub418\ub294 \ub3c4\uad6c\ub294 \ubb34\uc5c7\uc778\uac00\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uac04\uc12d\uacc4(interferometers)\ub098 \uc704\uc0c1 \uc774\ub3d9 \ubd84\uc11d\uae30(phase shift analyzers)\uc640 \uac19\uc740 \uce21\uc815\uae30\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ub3c4\uad6c\ub4e4\uc740 \uad11\uc12c\uc720 \ub0b4\uc5d0\uc11c PMD\uac00 \uc720\ubc1c\ud558\ub294 \uc9c0\uc5f0\ub7c9\uc744 \uce21\uc815\ud574 \uc90d\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\ub0ae\uc740 PMD \uac12\uc740 \ub124\ud2b8\uc6cc\ud06c\uc5d0 \uc5b4\ub5a4 \uc758\ubbf8\ub97c \uac00\uc9c0\ub098\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub0ae\uc740 PMD \uac12\uc740 \uc2e0\ud638\ub97c \uc120\uba85\ud558\uac8c \uc720\uc9c0\ud574 \uc90d\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ub354 \ube60\ub978 \ub370\uc774\ud130 \uc804\uc1a1\uc774 \uac00\ub2a5\ud574\uc9c0\uace0 \uc624\ub958\uac00 \uc904\uc5b4\ub4e4\uba70, \ub124\ud2b8\uc6cc\ud06c\ub294 \uac15\ub825\ud558\uace0 \uc548\uc815\uc801\uc73c\ub85c \uc791\ub3d9\ud569\ub2c8\ub2e4.<\/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\/ko\/wp-json\/wp\/v2\/posts\/4007","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/comments?post=4007"}],"version-history":[{"count":3,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/4007\/revisions"}],"predecessor-version":[{"id":9376,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/4007\/revisions\/9376"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/media\/4005"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/media?parent=4007"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/categories?post=4007"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/tags?post=4007"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}