{"version":"1.0","provider_name":"DK Photonics Blog","provider_url":"https:\/\/www.dkphotonics.com\/blog","title":"WDM-PON technology-DK Photonics - DK Photonics Blog","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"C3wcX2Tdci\"><a href=\"https:\/\/www.dkphotonics.com\/blog\/wdm-pon-technology-dk-photonics\/\">WDM-PON technology-DK Photonics<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.dkphotonics.com\/blog\/wdm-pon-technology-dk-photonics\/embed\/#?secret=C3wcX2Tdci\" width=\"600\" height=\"338\" title=\"&#8220;WDM-PON technology-DK Photonics&#8221; &#8212; DK Photonics Blog\" data-secret=\"C3wcX2Tdci\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.dkphotonics.com\/blog\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"WDM-PON\u00a0provides\u00a0the\u00a0dedicated\u00a0bandwidth\u00a0of\u00a0a\u00a0point-to-point\u00a0network\u00a0and\u00a0the\u00a0fiber\u00a0sharing\u00a0inherent\u00a0in\u00a0PONs.\u00a0The\u00a0architecture\u00a0is\u00a0somewhat\u00a0similar\u00a0to\u00a0that\u00a0of\u00a0EPON\u00a0and\u00a0GPON;\u00a0instead\u00a0of\u00a0the\u00a0power-splitter\u00a0approach\u00a0used\u00a0in\u00a0TDM-PON\u00a0architectures,\u00a0WDM-PON\u00a0uses\u00a0an\u00a0arrayed\u00a0waveguide\u00a0grating\u00a0(AWG)\u00a0filter\u00a0that\u00a0separates\u00a0the\u00a0wavelengths\u00a0for\u00a0individual\u00a0delivery\u00a0to\u00a0the\u00a0subscriber\u00a0ONUs\u00a0(see\u00a0Figure\u00a01). 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