<?xml version="1.0" encoding="UTF-8"?><urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:xhtml="http://www.w3.org/1999/xhtml"><url><loc>https://optics.beam.ly/</loc><changefreq>daily</changefreq><priority>1.0</priority></url><url><loc>https://optics.beam.ly/reviews</loc><lastmod>2023-07-04T08:17:10.978Z</lastmod><priority>0.7</priority></url><url><loc>https://optics.beam.ly/blog</loc><lastmod>2023-07-04T08:19:10.029Z</lastmod><priority>0.7</priority></url><url><loc>https://optics.beam.ly/episodes-by-topic</loc><lastmod>2026-08-28T22:31:32.064Z</lastmod><priority>0.7</priority></url><url><loc>https://optics.beam.ly/blog/episode-notes-ep-1</loc><lastmod>2023-08-05T01:45:45.998Z</lastmod><priority>0.6</priority></url><url><loc>https://optics.beam.ly/blog/episode-notes-ep-5-8</loc><lastmod>2023-08-05T04:15:51.870Z</lastmod><priority>0.6</priority></url><url><loc>https://optics.beam.ly/blog/episode-notes-ep-9-14</loc><lastmod>2023-08-09T02:32:10.032Z</lastmod><priority>0.6</priority></url><url><loc>https://optics.beam.ly/podcast/cisco-optics</loc><priority>0.7</priority></url><url><loc>https://optics.beam.ly/episode/how-did-we-go-from-1g-to-400g-the-history-of-pluggable-optics-a-conversation-with-ray-nering-14</loc><lastmod>2025-07-13T17:02:43.676Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/how-did-we-go-from-1g-to-400g-the-history-of-pluggable-optics-a-conversation-with-ray-nering-24</loc><lastmod>2025-07-13T17:02:43.676Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/how-did-we-go-from-1g-to-400g-the-history-of-pluggable-optics-a-conversation-with-ray-nering-34</loc><lastmod>2025-07-13T17:02:43.676Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/how-did-we-go-from-1g-to-400g-the-history-of-pluggable-optics-a-conversation-with-ray-nering-44</loc><lastmod>2025-07-13T17:02:43.676Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/overcoming-the-next-hurdle-to-get-to-800g-pluggable-optics-with-mark-nowell-1-of-4</loc><lastmod>2025-07-13T17:02:43.676Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/overcoming-the-next-hurdle-to-get-to-800g-pluggable-optics-with-mark-nowell-2-of-4</loc><lastmod>2025-07-13T17:02:43.676Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/overcoming-the-next-hurdle-to-get-to-800g-pluggable-optics-with-mark-nowell-3-of-4</loc><lastmod>2025-07-13T17:02:43.676Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/overcoming-the-next-hurdle-to-get-to-800g-pluggable-optics-with-mark-nowell-4-of-4</loc><lastmod>2025-07-13T17:02:43.676Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/demystifying-fiber-cable-infrastructure-with-brian-kelly-part-1-of-6</loc><lastmod>2025-07-13T17:02:43.676Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/demystifying-fiber-cable-infrastructure-with-brian-kelly-part-2-of-6</loc><lastmod>2025-07-13T17:02:43.676Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/demystifying-fiber-cable-infrastructure-with-brian-kelly-part-3-of-6</loc><lastmod>2025-07-13T17:02:43.676Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/demystifying-fiber-cable-infrastructure-with-brian-kelly-part-4-of-6</loc><lastmod>2025-07-13T17:02:43.676Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/demystifying-fiber-cable-infrastructure-with-brian-kelly-part-5-of-6</loc><lastmod>2025-07-13T17:02:43.676Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/demystifying-fiber-cable-infrastructure-with-brian-kelly-part-6-of-6</loc><lastmod>2025-07-13T17:02:43.676Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-episode-15-silicon-photonics-explained-with-ron-horan-part-1-of-5</loc><lastmod>2025-07-13T17:02:40.627Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-episode-16-silicon-photonics-explained-with-ron-horan-part-2-of-5</loc><lastmod>2025-07-13T17:02:40.627Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-episode-17-silicon-photonics-explained-with-ron-horan-part-3-of-5</loc><lastmod>2025-07-13T17:02:40.627Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-episode-18-silicon-photonics-explained-with-ron-horan-part-4-of-5</loc><lastmod>2025-07-13T17:02:40.627Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-episode-19-silicon-photonics-explained-with-ron-horan-part-5-of-5</loc><lastmod>2025-07-13T17:02:40.627Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-20-how-to-make-coherent-optics-small-and-pluggable-with-tom-williams-1-of-5</loc><lastmod>2025-07-13T17:02:40.627Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-21-how-to-make-coherent-optics-small-and-pluggable-with-tom-williams-2-of-5</loc><lastmod>2025-07-13T17:02:40.627Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-22-how-to-make-coherent-optics-small-and-pluggable-with-tom-williams-3-of-5</loc><lastmod>2025-07-13T17:02:40.627Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-23-how-to-make-coherent-optics-small-and-pluggable-with-tom-williams-4-of-5</loc><lastmod>2025-07-13T17:02:40.627Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-24-how-to-make-coherent-optics-small-and-pluggable-with-tom-williams-55</loc><lastmod>2025-07-13T17:02:40.627Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-25-optics-for-hyperscale-data-centers-with-ron-horan-14</loc><lastmod>2025-07-13T17:02:40.627Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-26-optics-for-hyperscale-data-centers-with-ron-horan-24</loc><lastmod>2025-07-13T17:02:40.627Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-27-optics-for-hyperscale-data-centers-with-ron-horan-34</loc><lastmod>2025-07-13T17:02:40.627Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-28-optics-for-hyperscale-data-centers-with-ron-horan-44-pe3c</loc><lastmod>2025-07-13T17:02:49.832Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-29-why-optics-are-more-important-than-ever-for-high-end-routing-1-of-6</loc><lastmod>2025-07-13T16:18:33.617Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-30-why-optics-are-more-important-than-ever-for-high-end-routing-2-of-6</loc><lastmod>2025-07-13T16:17:12.523Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-31-why-optics-are-more-important-than-ever-for-high-end-routing-3-of-6</loc><lastmod>2025-07-13T16:15:55.289Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-32-why-optics-are-more-important-than-ever-for-high-end-routing-4-of-6</loc><lastmod>2025-07-13T16:14:38.879Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-33-why-optics-are-more-important-than-ever-for-high-end-routing-5-of-6</loc><lastmod>2025-07-13T16:12:55.694Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-34-why-optics-are-more-important-than-ever-for-high-end-routing-6-of-6</loc><lastmod>2025-07-13T16:12:12.560Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-35-fascinating-laser-research-projects-you-wish-you-thought-of-1-of-9</loc><lastmod>2025-07-13T16:06:48.165Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-36-fascinating-laser-research-projects-you-wish-you-thought-of-2-of-9</loc><lastmod>2025-07-13T16:06:08.631Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-37-fascinating-laser-research-projects-you-wish-you-thought-of-3-of-9</loc><lastmod>2025-07-13T16:04:50.434Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-38-fascinating-laser-research-projects-you-wish-you-thought-of-4-of-9</loc><lastmod>2025-07-13T16:03:34.410Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-39-fascinating-laser-research-projects-you-wish-you-thought-of-5-of-9</loc><lastmod>2025-07-13T16:02:04.670Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-40-fascinating-laser-research-projects-you-wish-you-thought-of-6-of-9</loc><lastmod>2025-07-13T16:00:40.925Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-41-fascinating-laser-research-projects-you-wish-you-thought-of-7-of-9</loc><lastmod>2025-07-13T15:59:07.582Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-42-fascinating-laser-research-projects-you-wish-you-thought-of-8-of-9</loc><lastmod>2025-07-13T15:57:51.892Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-43-fascinating-laser-research-projects-you-wish-you-thought-of-9-of-9</loc><lastmod>2025-07-13T15:56:29.459Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-44-if-single-mode-fiber-seems-like-magic-to-you-listen-to-this-1-of-8</loc><lastmod>2025-07-13T15:46:39.965Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-45-if-single-mode-fiber-seems-like-magic-to-you-listen-to-this-2-of-8</loc><lastmod>2025-07-13T15:45:08.498Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-46-if-single-mode-fiber-seems-like-magic-to-you-listen-to-this-3-of-8</loc><lastmod>2025-07-13T15:43:49.823Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-47-if-single-mode-fiber-seems-like-magic-to-you-listen-to-this-4-of-8</loc><lastmod>2025-07-13T15:42:11.747Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-48-if-single-mode-fiber-seems-like-magic-to-you-listen-to-this-5-of-8</loc><lastmod>2025-07-13T15:40:52.576Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-49-if-single-mode-fiber-seems-like-magic-to-you-listen-to-this-6-of-8</loc><lastmod>2025-07-13T15:39:23.614Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-50-if-single-mode-fiber-seems-like-magic-to-you-listen-to-this-7-of-8</loc><lastmod>2025-07-13T15:38:01.629Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-51-if-single-mode-fiber-seems-like-magic-to-you-listen-to-this-8-of-8</loc><lastmod>2025-07-13T15:36:42.327Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-52-the-smartest-data-center-operators-use-multi-mode-fiber-do-you-17</loc><lastmod>2025-07-13T15:22:28.231Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-53-the-smartest-data-center-operators-use-multi-mode-fiber-do-you-27</loc><lastmod>2025-07-13T15:21:04.692Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-54-the-smartest-data-center-operators-use-multi-mode-fiber-do-you-37</loc><lastmod>2025-07-13T15:19:18.065Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-55-the-smartest-data-center-operators-use-multi-mode-fiber-do-you-47</loc><lastmod>2025-07-13T15:17:58.579Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-56-the-smartest-data-center-operators-use-multi-mode-fiber-do-you-57</loc><lastmod>2025-07-13T15:16:39.363Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-57-the-smartest-data-center-operators-use-multi-mode-fiber-do-you-67</loc><lastmod>2025-07-13T15:15:15.833Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-58-the-smartest-data-center-operators-use-multi-mode-fiber-do-you-77</loc><lastmod>2025-07-13T15:13:53.912Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-59-why-some-optics-are-good-for-ai-and-some-arent-15</loc><lastmod>2025-07-13T14:52:32.870Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-60-why-some-optics-are-good-for-ai-and-some-arent-25</loc><lastmod>2025-07-13T14:52:32.870Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-61-why-some-optics-are-good-for-ai-and-some-arent-35</loc><lastmod>2025-07-13T14:50:58.187Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-62-why-some-optics-are-good-for-ai-and-some-arent-45</loc><lastmod>2025-07-13T14:50:58.187Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep-63-why-some-optics-are-good-for-ai-and-some-arent-55</loc><lastmod>2025-07-13T15:37:58.459Z</lastmod><priority>0.8</priority></url><url><loc>https://optics.beam.ly/episode/cisco-optics-podcast-ep64-building-the-standards-behind-tomorrows-ai-networks-john-calvin-part-1-of-8</loc><lastmod>2026-08-27T03:00:26.981Z</lastmod><priority>0.8</priority></url></urlset>