1.0Engineer News Networkhttps://www.engineernewsnetwork.com/blogrich600338<blockquote class="wp-embedded-content" data-secret="SBW19WwaTf"><a href="https://www.engineernewsnetwork.com/blog/what-is-coherent-optics/">Coherent optics: allowing more information to be transported on the same fibre</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.engineernewsnetwork.com/blog/what-is-coherent-optics/embed/#?secret=SBW19WwaTf" width="600" height="338" title="“Coherent optics: allowing more information to be transported on the same fibre” — Engineer News Network" data-secret="SBW19WwaTf" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !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); //# sourceURL=https://www.engineernewsnetwork.com/blog/wp-includes/js/wp-embed.min.js /* ]]> */ </script> The average global internet user is reported to spend seven hours online per day. With the number of internet users expected to grow to 5.3 billion by 2023, the need for more bandwidth is increasing. Marcin Bala explains how coherent optics can help cope with demand