{"ID":2897097,"CreatedAt":"2026-06-01T04:54:23.091178241Z","UpdatedAt":"2026-06-01T04:54:23.091178241Z","DeletedAt":null,"paper_url":"https://arxiv.org/abs/2507.06051","arxiv_id":"2507.06051","title":"Experimental Investigation of Availability in a 4.6 km Terrestrial Urban Coherent Free-Space Optical Communications Link","abstract":"We measured the outage probability of a 4.6-km urban free-space optical communication link over six days. High-speed power measurements reveal slow and fast fading effects, with link availabilities of 92% including and 99% excluding slow fades for 500 Gb/s transmission.","short_abstract":"We measured the outage probability of a 4.6-km urban free-space optical communication link over six days. High-speed power measurements reveal slow and fast fading effects, with link availabilities of 92% including and 99% excluding slow fades for 500 Gb/s transmission.","url_abs":"https://arxiv.org/abs/2507.06051","url_pdf":"https://arxiv.org/pdf/2507.06051v1","authors":"[\"Vincent van Vliet\",\"Menno van den Hout\",\"Kadir Gümüş\",\"Eduward Tangdiongga\",\"Chigo Okonkwo\"]","published":"2025-07-08T14:51:39Z","proceeding":"physics.optics","tasks":"[\"physics.optics\",\"eess.SP\"]","methods":"[]","has_code":false}