{"id":17878,"date":"2023-06-09T05:06:35","date_gmt":"2023-06-09T05:06:35","guid":{"rendered":"https:\/\/www.tarluz.com\/?p=17878"},"modified":"2023-09-27T03:16:56","modified_gmt":"2023-09-27T03:16:56","slug":"pros-and-cons-of-fiber-transmission-bands","status":"publish","type":"post","link":"https:\/\/www.tarluz.com\/ar\/optical-fiber\/pros-and-cons-of-fiber-transmission-bands\/","title":{"rendered":"Pros and Cons of fiber transmission bands"},"content":{"rendered":"

\"\"<\/p>\n\n\n\n\n\n\n\n\n\n
Band Name<\/td>\nWavelengths<\/td>\nDescription<\/td>\n<\/tr>\n
O-band<\/td>\n1260 \u2013 1360 nm<\/td>\nOriginal band, PON upstream<\/td>\n<\/tr>\n
E-band<\/td>\n1360 \u2013 1460 nm<\/td>\nWater peak band<\/td>\n<\/tr>\n
S-band<\/td>\n1460 \u2013 1530 nm<\/td>\nPON downstream<\/td>\n<\/tr>\n
C-band<\/td>\n1530 \u2013 1565 nm<\/td>\nLowest attenuation, original DWDM band, compatible with fiber amplifiers, CATV<\/td>\n<\/tr>\n
L-band<\/td>\n1565 \u2013 1625 nm<\/td>\nLow attenuation, expanded DWDM band<\/td>\n<\/tr>\n
U-band<\/td>\n1625 \u2013 1675 nm<\/td>\nUltra-long wavelength<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

O-Band<\/strong>
\nPRO
\n\u2022 Lowest fiber dispersion -no DCM for 20km PMDs*
\n\u2022 Existing cooled 100GLR4 lasers and EMLs
\n\u2022 Existing high power uncooled 25G lasers
\nCON
\n\u2022 High fiber insertion loss
\n\u2022 Limited fiber spectrum \u2013 10G WDM coexistence and zero dispersion zone
\n\u2022 SOA preamp has high NF
\n\u2022 SOA booster has limited Psat<\/p>\n

S-Band<\/strong>
\nPRO
\n\u2022 Low fiber insertion loss
\n\u2022 Moderate fiber dispersion – no DCM for 10km PMDs
\n\u2022 Open fiber spectrum – no coexistence objectives
\nCON
\n\u2022 DCM required for 20km PMDs
\n\u2022 No existing 25G sources
\n\u2022 SOA preamp has high NF
\n\u2022 SOA booster has limited Psat<\/p>\n

C-Band<\/strong>
\nPRO
\n\u2022 Low fiber insertion loss
\n\u2022 Moderate fiber dispersion – no DCM for 10km PMDs
\n\u2022 High power booster EDFAs
\n\u2022 Low-NF preamp EDFAs
\nCON
\n\u2022 DCM required for 20km PMDs
\n\u2022 10G WDM coexistence prevents use of 1560- 1600nm<\/p>\n

L-Band<\/strong>
\nPRO
\n\u2022 Low fiber insertion loss
\n\u2022 High power booster EDFAs
\n\u2022 Low-NF preamp EDFAs
\nCON
\n\u2022 High fiber dispersion – DCM required for all PMDs
\n\u2022 Limited fiber spectrum \u2013 10G WDM coexistence and OTDR band
\n\u2022 Lower laser efficiency<\/p>\n","protected":false},"excerpt":{"rendered":"

Band Name Wavelengths Description O-band 1260 \u2013 1360 nm Original band, PON upstream E-band 1360 \u2013 1460 nm Water peak band S-band 1460 \u2013 1530 nm PON downstream C-band 1530 \u2013 1565 nm Lowest attenuation, original DWDM band, compatible with fiber amplifiers, CATV L-band 1565 \u2013 1625 nm Low attenuation, expanded DWDM band U-band 1625 […]<\/p>\n","protected":false},"author":1,"featured_media":17880,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[373],"tags":[],"class_list":["post-17878","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-optical-fiber"],"yoast_head":"\nPros and Cons of fiber transmission bands - TARLUZ - FIBER OPTIC SUPPLIERS<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.tarluz.com\/ar\/optical-fiber\/pros-and-cons-of-fiber-transmission-bands\/\" \/>\n<meta property=\"og:locale\" content=\"ar_AR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pros and Cons of fiber transmission bands\" \/>\n<meta property=\"og:description\" content=\"Band Name Wavelengths Description O-band 1260 \u2013 1360 nm Original band, PON upstream E-band 1360 \u2013 1460 nm Water peak band S-band 1460 \u2013 1530 nm PON downstream C-band 1530 \u2013 1565 nm Lowest attenuation, original DWDM band, compatible with fiber amplifiers, CATV L-band 1565 \u2013 1625 nm Low attenuation, expanded DWDM band U-band 1625 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.tarluz.com\/ar\/optical-fiber\/pros-and-cons-of-fiber-transmission-bands\/\" \/>\n<meta property=\"og:site_name\" content=\"TARLUZ - 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