{"id":324,"date":"2014-06-18T03:55:21","date_gmt":"2014-06-18T03:55:21","guid":{"rendered":"http:\/\/www.dkphotonics.com\/blog\/?p=324"},"modified":"2014-06-18T03:55:21","modified_gmt":"2014-06-18T03:55:21","slug":"wdm-pon-key-component-next-generation-access1","status":"publish","type":"post","link":"https:\/\/www.dkphotonics.com\/blog\/wdm-pon-key-component-next-generation-access1\/","title":{"rendered":"WDM-PON is a key component in next generation access(1)"},"content":{"rendered":"<p class=\"p0\"><span style=\"color: #333333;\">Many\u00a0industry\u00a0analysts\u00a0believe\u00a0that\u00a0the\u00a0increasing\u00a0requirements\u00a0for\u00a0bandwidth\u00a0scalability,\u00a0quality\u00a0of\u00a0service,\u00a0and\u00a0support\u00a0of\u00a0the\u00a0emerging\u00a0traffic\u00a0patterns\u00a0required\u00a0by\u00a0video\u00a0and\u00a0broadcast\u00a0standards\u00a0will\u00a0make\u00a0copper\u00a0networks\u00a0insufficient\u00a0for\u00a0many\u00a0high-bandwidth\u00a0services\u00a0in\u00a0the\u00a0future.\u00a0Fiber\u00a0availability\u00a0is\u00a0not\u00a0universal,\u00a0and\u00a0the\u00a0economics\u00a0of\u00a0new\u00a0fiber\u00a0deployments\u00a0are\u00a0often\u00a0challenging;\u00a0nevertheless,\u00a0fiber\u00a0will\u00a0undoubtedly\u00a0push\u00a0deeper\u00a0into\u00a0access\u00a0networks\u00a0to\u00a0support\u00a0business\u00a0services,\u00a0mobile\u00a0backhaul\/fronthaul,\u00a0multitenant\u00a0buildings\/fiber\u00a0to\u00a0the\u00a0cabinet,\u00a0and\u00a0in\u00a0some\u00a0cases\u00a0fiber\u00a0to\u00a0the\u00a0home\u00a0(<\/span><a href=\"http:\/\/www.dkphotonics.com\/\"><span class=\"15\" style=\"color: #0000ff;\">FTTH<\/span><\/a><span style=\"color: #333333;\">),\u00a0too.\u00a0Yet\u00a0today<span style=\"font-family: \u5b8b\u4f53;\">\u2018<\/span><span style=\"font-family: Arial;\">s\u00a0fiber-based\u00a0approaches,\u00a0including\u00a0TDM-PON<\/span><\/span><span style=\"color: #333333;\">\/<\/span><a href=\"http:\/\/www.dkphotonics.com\/\"><span class=\"15\" style=\"color: #0000ff;\">PLC\u00a0Splitter<\/span><span class=\"15\" style=\"color: #0000ff;\">\u00a0<\/span><\/a><span style=\"color: #333333;\">and\u00a0active\u00a0point-to-point\u00a0Ethernet,\u00a0probably\u00a0won&#8217;t\u00a0meet\u00a0the\u00a0likely\u00a0requirements\u00a0of\u00a0the\u00a0next\u00a0generation\u00a0of\u00a0bandwidth-intensive\u00a0traffic,\u00a0either.<\/span><\/p>\n<p class=\"p0\"><span style=\"color: #333333;\">WDM-PON\u00a0is\u00a0a\u00a0passive\u00a0optical\u00a0networking\u00a0approach\u00a0&#8212;\u00a0currently\u00a0being\u00a0developed\u00a0by\u00a0several\u00a0companies\u00a0&#8212;\u00a0that\u00a0can\u00a0be\u00a0used\u00a0to\u00a0more\u00a0adequately\u00a0address\u00a0these\u00a0challenges\u00a0over\u00a0fiber-based\u00a0networks.\u00a0A\u00a0<\/span><a href=\"http:\/\/www.dkphotonics.com\/\"><span class=\"15\" style=\"color: #0000ff;\">WDM-PON<\/span><\/a><span style=\"color: #333333;\">\u00a0design\u00a0can\u00a0be\u00a0used\u00a0to\u00a0separate\u00a0optical-network\u00a0units\u00a0(ONUs)\u00a0into\u00a0several\u00a0virtual\u00a0point-to-point\u00a0connections\u00a0over\u00a0the\u00a0same\u00a0physical\u00a0infrastructure,\u00a0a\u00a0feature\u00a0that\u00a0enables\u00a0efficient\u00a0use\u00a0of\u00a0fiber\u00a0compared\u00a0to\u00a0point-to-point\u00a0Ethernet\u00a0and\u00a0offers\u00a0lower\u00a0latency\u00a0than\u00a0TDM-based\u00a0approaches.\u00a0A\u00a0notable\u00a0advantage\u00a0of\u00a0this\u00a0approach\u00a0is\u00a0the\u00a0combination\u00a0of\u00a0high\u00a0capacity\u00a0per\u00a0user,\u00a0high\u00a0security,\u00a0and\u00a0longer\u00a0optical\u00a0reach.\u00a0WDM-PON\u00a0therefore\u00a0is\u00a0highly\u00a0suitable\u00a0for\u00a0applications\u00a0such\u00a0as\u00a0mobile\u00a0backhaul\u00a0or\u00a0business\u00a0Ethernet\u00a0service\u00a0provision.<\/span><\/p>\n<p class=\"p0\"><span style=\"color: #333333;\">Thus\u00a0WDM-PON\u00a0is\u00a0poised\u00a0to\u00a0become\u00a0the\u00a0disruptive\u00a0next\u00a0generation\u00a0access\u00a0architecture.\u00a0It\u00a0will\u00a0enable\u00a0high-speed\u00a0access\u00a0for\u00a0businesses,\u00a0mobile\u00a0backhaul,\u00a0and\u00a0eventually\u00a0FTTH.\u00a0WDM-PON\u00a0also\u00a0will\u00a0enable\u00a0operators\u00a0to\u00a0build\u00a0converged\u00a0networks\u00a0and\u00a0consolidate\u00a0existing\u00a0access\u00a0networks,\u00a0including\u00a0potentially\u00a0eliminating\u00a0central\u00a0offices\u00a0to\u00a0reduce\u00a0cost\u00a0while\u00a0boosting\u00a0performance.<\/span><\/p>\n<p class=\"p0\"><span style=\"color: #333333;\">There\u00a0are\u00a0several\u00a0types\u00a0of\u00a0WDM-PON\u00a0systems\u00a0under\u00a0development.\u00a0They\u00a0all\u00a0have\u00a0in\u00a0common\u00a0the\u00a0use\u00a0of\u00a0passive,\u00a0temperature-hardened\u00a0<\/span><a href=\"http:\/\/www.dkphotonics.com\/\"><span class=\"15\" style=\"color: #0000ff;\">DWDM\u00a0optical\u00a0filters<\/span><\/a><span style=\"color: #333333;\">\u00a0in\u00a0the\u00a0remote\u00a0node\u00a0and\u00a0colorless\u00a0ONUs.<\/span><\/p>\n<table align=\"center\">\n<tbody>\n<tr>\n<td valign=\"center\" width=\"209\">\n<p><figure id=\"attachment_325\" aria-describedby=\"caption-attachment-325\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.dkphotonics.com\/blog\/wp-content\/uploads\/2014\/06\/cwdm-dwdm.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-325\" src=\"http:\/\/www.dkphotonics.com\/blog\/wp-content\/uploads\/2014\/06\/cwdm-dwdm.gif\" alt=\"Basic WDM-PON architecture\" width=\"600\" height=\"269\" \/><\/a><figcaption id=\"caption-attachment-325\" class=\"wp-caption-text\">Basic WDM-PON architecture<\/figcaption><\/figure><\/td>\n<\/tr>\n<tr>\n<td valign=\"center\" width=\"209\">\n<p class=\"p0\"><span style=\"font-weight: bold; color: #333333;\">FIGURE\u00a01.\u00a0Basic\u00a0WDM-PON\u00a0architecture.<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h6 class=\"p0\"><span style=\"color: #000080;\">DK\u00a0Photonics\u00a0\u2013\u00a0www.dkphotonics.com\u00a0specializes\u00a0in\u00a0designing\u00a0and\u00a0manufacturing\u00a0of\u00a0high\u00a0quality\u00a0optical\u00a0passive\u00a0components\u00a0mainly\u00a0for\u00a0telecommunication,\u00a0fiber\u00a0sensor\u00a0and\u00a0fiber\u00a0laser\u00a0applications,such\u00a0as\u00a0High\u00a0Power\u00a0Isolator,1064nm\u00a0Components,PM\u00a0Components,Pump\u00a0Combiner,Pump\u00a0Laser\u00a0Protector,which\u00a0using\u00a0for\u00a0fiber\u00a0laser\u00a0applications.Also\u00a0have\u00a0Mini-size\u00a0CWDM,\u00a0<a href=\"http:\/\/www.dkphotonics.com\/\"><span style=\"color: #000080;\">Optical\u00a0Circulator<\/span><\/a>,\u00a0PM\u00a0Circulator,PM\u00a0Isolator,\u00a0Fused\u00a0Coupler,Mini\u00a0Size\u00a0Fused\u00a0WDM.More\u00a0information,please\u00a0contact\u00a0us.<\/span><\/h6>\n<p class=\"p0\">\n","protected":false},"excerpt":{"rendered":"<p>Many\u00a0industry\u00a0analysts\u00a0believe\u00a0that\u00a0the\u00a0increasing\u00a0requirements\u00a0for\u00a0bandwidth\u00a0scalability,\u00a0quality\u00a0of\u00a0service,\u00a0and\u00a0support\u00a0of\u00a0the\u00a0emerging\u00a0traffic\u00a0patterns\u00a0required\u00a0by\u00a0video\u00a0and\u00a0broadcast\u00a0standards\u00a0will\u00a0make\u00a0copper\u00a0networks\u00a0insufficient\u00a0for\u00a0many\u00a0high-bandwidth\u00a0services\u00a0in\u00a0the\u00a0future.\u00a0Fiber\u00a0availability\u00a0is\u00a0not\u00a0universal,\u00a0and\u00a0the\u00a0economics\u00a0of\u00a0new\u00a0fiber\u00a0deployments\u00a0are\u00a0often\u00a0challenging;\u00a0nevertheless,\u00a0fiber\u00a0will\u00a0undoubtedly\u00a0push\u00a0deeper\u00a0into\u00a0access\u00a0networks\u00a0to\u00a0support\u00a0business\u00a0services,\u00a0mobile\u00a0backhaul\/fronthaul,\u00a0multitenant\u00a0buildings\/fiber\u00a0to\u00a0the\u00a0cabinet,\u00a0and\u00a0in\u00a0some\u00a0cases\u00a0fiber\u00a0to\u00a0the\u00a0home\u00a0(FTTH),\u00a0too.\u00a0Yet\u00a0today\u2018s\u00a0fiber-based\u00a0approaches,\u00a0including\u00a0TDM-PON\/PLC\u00a0Splitter\u00a0and\u00a0active\u00a0point-to-point\u00a0Ethernet,\u00a0probably\u00a0won&#8217;t\u00a0meet\u00a0the\u00a0likely\u00a0requirements\u00a0of\u00a0the\u00a0next\u00a0generation\u00a0of\u00a0bandwidth-intensive\u00a0traffic,\u00a0either. WDM-PON\u00a0is\u00a0a\u00a0passive\u00a0optical\u00a0networking\u00a0approach\u00a0&#8212;\u00a0currently\u00a0being\u00a0developed\u00a0by\u00a0several\u00a0companies\u00a0&#8212;\u00a0that\u00a0can\u00a0be\u00a0used\u00a0to\u00a0more\u00a0adequately\u00a0address\u00a0these\u00a0challenges\u00a0over\u00a0fiber-based\u00a0networks.\u00a0A\u00a0WDM-PON\u00a0design\u00a0can\u00a0be\u00a0used\u00a0to\u00a0separate\u00a0optical-network\u00a0units\u00a0(ONUs)\u00a0into\u00a0several\u00a0virtual\u00a0point-to-point\u00a0connections\u00a0over\u00a0the\u00a0same\u00a0physical\u00a0infrastructure,\u00a0a\u00a0feature\u00a0that\u00a0enables\u00a0efficient\u00a0use\u00a0of\u00a0fiber\u00a0compared\u00a0to\u00a0point-to-point\u00a0Ethernet\u00a0and\u00a0offers\u00a0lower\u00a0latency\u00a0than\u00a0TDM-based\u00a0approaches.\u00a0A\u00a0notable\u00a0advantage\u00a0of\u00a0this\u00a0approach\u00a0is\u00a0the\u00a0combination\u00a0of\u00a0high\u00a0capacity\u00a0per\u00a0user,\u00a0high\u00a0security,\u00a0and\u00a0longer\u00a0optical\u00a0reach.\u00a0WDM-PON\u00a0therefore\u00a0is\u00a0highly\u00a0suitable\u00a0for\u00a0applications\u00a0such\u00a0as\u00a0mobile\u00a0backhaul\u00a0or\u00a0business\u00a0Ethernet\u00a0service\u00a0provision. Thus\u00a0WDM-PON\u00a0is\u00a0poised\u00a0to\u00a0become\u00a0the\u00a0disruptive\u00a0next\u00a0generation\u00a0access\u00a0architecture.\u00a0It\u00a0will\u00a0enable\u00a0high-speed\u00a0access\u00a0for\u00a0businesses,\u00a0mobile\u00a0backhaul,\u00a0and\u00a0eventually\u00a0FTTH.\u00a0WDM-PON\u00a0also\u00a0will\u00a0enable\u00a0operators\u00a0to\u00a0build\u00a0converged\u00a0networks\u00a0and\u00a0consolidate\u00a0existing\u00a0access\u00a0networks,\u00a0including\u00a0potentially\u00a0eliminating\u00a0central\u00a0offices\u00a0to\u00a0reduce\u00a0cost\u00a0while\u00a0boosting\u00a0performance. There\u00a0are\u00a0several\u00a0types\u00a0of\u00a0WDM-PON\u00a0systems\u00a0under\u00a0development.\u00a0They\u00a0all\u00a0have\u00a0in\u00a0common\u00a0the\u00a0use\u00a0of\u00a0passive,\u00a0temperature-hardened\u00a0DWDM\u00a0optical\u00a0filters\u00a0in\u00a0the\u00a0remote\u00a0node\u00a0and\u00a0colorless\u00a0ONUs. FIGURE\u00a01.\u00a0Basic\u00a0WDM-PON\u00a0architecture. DK\u00a0Photonics\u00a0\u2013\u00a0www.dkphotonics.com\u00a0specializes\u00a0in\u00a0designing\u00a0and\u00a0manufacturing\u00a0of\u00a0high\u00a0quality\u00a0optical\u00a0passive\u00a0components\u00a0mainly\u00a0for\u00a0telecommunication,\u00a0fiber\u00a0sensor\u00a0and\u00a0fiber\u00a0laser\u00a0applications,such\u00a0as\u00a0High\u00a0Power\u00a0Isolator,1064nm\u00a0Components,PM\u00a0Components,Pump\u00a0Combiner,Pump\u00a0Laser\u00a0Protector,which\u00a0using\u00a0for\u00a0fiber\u00a0laser\u00a0applications.Also\u00a0have\u00a0Mini-size\u00a0CWDM,\u00a0Optical\u00a0Circulator,\u00a0PM\u00a0Circulator,PM\u00a0Isolator,\u00a0Fused\u00a0Coupler,Mini\u00a0Size\u00a0Fused\u00a0WDM.More\u00a0information,please\u00a0contact\u00a0us.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8,112,1,14,7],"tags":[34,111,47,9,46,109,52,113,33,53,26,35,36],"class_list":["post-324","post","type-post","status-publish","format-standard","hentry","category-cwdm","category-dwdm","category-fttx","category-oadm","category-wdm","tag-compact-cwdm-module","tag-cwdm","tag-cwdm-muxdemux","tag-dwdm","tag-dwdm-module","tag-fttx","tag-fused-coupler","tag-fwdm","tag-mini-size-cwdm","tag-mini-size-fused-wdm","tag-optical-circulator","tag-pm-circulator","tag-pm-isolator"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - 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