{"id":6614,"date":"2025-04-26T11:12:00","date_gmt":"2025-04-26T11:12:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/glossary\/tosa-in-optical-modules-importance\/"},"modified":"2026-06-22T09:39:32","modified_gmt":"2026-06-22T09:39:32","slug":"tosa-in-optical-modules-importance","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/tosa-in-optical-modules-importance","title":{"rendered":"TOSA trong m\u00f4-\u0111un quang l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao n\u00f3 quan tr\u1ecdng"},"content":{"rendered":"<p class=\"wp-block-paragraph\">The <strong>B\u1ed9 l\u1eafp r\u00e1p quang ph\u00e1t (TOSA)<\/strong> l\u00e0 th\u00e0nh ph\u1ea7n then ch\u1ed1t trong c\u00e1c b\u1ed9 thu ph\u00e1t quang, ch\u1ecbu tr\u00e1ch nhi\u1ec7m chuy\u1ec3n \u0111\u1ed5i <strong>t\u00edn hi\u1ec7u \u0111i\u1ec7n th\u00e0nh t\u00edn hi\u1ec7u quang<\/strong> cho truy\u1ec1n th\u00f4ng s\u1ee3i quang t\u1ed1c \u0111\u1ed9 cao. L\u00e0 l\u00f5i c\u1ee7a ph\u00eda ph\u00e1t, TOSA x\u00e1c \u0111\u1ecbnh c\u00e1c th\u00f4ng s\u1ed1 hi\u1ec7u n\u0103ng quan tr\u1ecdng nh\u01b0 <strong>\u0111\u1ed9 \u1ed5n \u0111\u1ecbnh b\u01b0\u1edbc s\u00f3ng, c\u00f4ng su\u1ea5t \u0111\u1ea7u ra v\u00e0 \u0111\u1ed9 to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i vi\u1ebft n\u00e0y cung c\u1ea5p c\u00e1i nh\u00ecn chuy\u00ean s\u00e2u v\u1ec1:<br\/>\u2714 <strong>TOSA l\u00e0 g\u00ec v\u00e0 ho\u1ea1t \u0111\u1ed9ng ra sao?<\/strong><br\/>\u2714 <strong>C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh b\u00ean trong m\u1ed9t TOSA<\/strong><br\/>\u2714 <strong>TOSA trong c\u00e1c m\u00f4-\u0111un quang<\/strong><br\/>\u2714 <strong>\u1ee8ng d\u1ee5ng c\u1ee7a TOSA<\/strong><br\/>\u2714 <strong>Xu h\u01b0\u1edbng t\u01b0\u01a1ng lai trong c\u00f4ng ngh\u1ec7 TOSA<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udd27 TOSA l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">TOSA, hay B\u1ed9 l\u1eafp r\u00e1p quang ph\u00e1t, l\u00e0 m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong c\u00e1c b\u1ed9 thu ph\u00e1t quang. Ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a n\u00f3 l\u00e0 th\u1ef1c hi\u1ec7n qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n\u2013quang (E\/O), cho ph\u00e9p truy\u1ec1n d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao qua s\u1ee3i quang. Hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a TOSA \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u n\u0103ng c\u1ee7a to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng truy\u1ec1n th\u00f4ng quang.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83e\udde9 C\u00e1c th\u00e0nh ph\u1ea7n l\u00f5i c\u1ee7a TOSA<\/h2>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p><strong>B\u1ed9 ph\u1eadn<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>Ch\u1ee9c n\u0103ng<\/strong><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u0110i-\u1ed1t laser (LD)<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ph\u00e1t \u00e1nh s\u00e1ng \u1edf b\u01b0\u1edbc s\u00f3ng c\u1ee5 th\u1ec3 (DFB cho 1310 nm, EML cho DWDM 1550 nm).<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u0110i-\u1ed1t quang gi\u00e1m s\u00e1t (MPD)<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110o c\u00f4ng su\u1ea5t \u0111\u1ea7u ra c\u1ee7a laser \u0111\u1ec3 ph\u1ea3n h\u1ed3i th\u1eddi gian th\u1ef1c (APC \u2013 \u0110i\u1ec1u khi\u1ec3n c\u00f4ng su\u1ea5t t\u1ef1 \u0111\u1ed9ng).<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>B\u1ed9 l\u00e0m m\u00e1t nhi\u1ec7t \u0111i\u1ec7n (TEC)<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nh\u1eb1m ng\u0103n ng\u1eeba tr\u00f4i b\u01b0\u1edbc s\u00f3ng.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>B\u1ed9 c\u00e1ch ly quang<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ch\u1eb7n \u00e1nh s\u00e1ng ph\u1ea3n x\u1ea1 \u0111\u1ec3 b\u1ea3o v\u1ec7 laser.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>H\u1ec7 th\u1ed1ng th\u1ea5u k\u00ednh<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1eadp trung \u00e1nh s\u00e1ng v\u00e0o l\u00f5i s\u1ee3i quang v\u1edbi hi\u1ec7u su\u1ea5t gh\u00e9p n\u1ed1i cao (&gt;90%).<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c th\u00e0nh ph\u1ea7n n\u00e0y \u0111\u01b0\u1ee3c l\u1eafp r\u00e1p t\u1ec9 m\u1ec9 trong m\u1ed9t v\u1ecf b\u1ecdc nh\u1ecf g\u1ecdn, th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00e1c d\u1ea1ng \u0111\u00f3ng g\u00f3i nh\u01b0 TO-CAN, Gold-BOX, Chip-on-Board (COB) ho\u1eb7c Chip-on-Chip (COC), nh\u1eb1m \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi nhi\u1ec1u lo\u1ea1i m\u00f4-\u0111un quang.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83c\udf10 TOSA trong c\u00e1c m\u00f4-\u0111un quang<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Trong c\u00e1c b\u1ed9 thu ph\u00e1t quang, TOSA ho\u1ea1t \u0111\u1ed9ng song song v\u1edbi B\u1ed9 l\u1eafp r\u00e1p quang thu (ROSA), v\u1ed1n th\u1ef1c hi\u1ec7n thao t\u00e1c ng\u01b0\u1ee3c l\u1ea1i\u2014chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u quang \u0111\u1ea7u v\u00e0o tr\u1edf l\u1ea1i th\u00e0nh t\u00edn hi\u1ec7u \u0111i\u1ec7n. C\u00f9ng nhau, TOSA v\u00e0 ROSA cho ph\u00e9p truy\u1ec1n th\u00f4ng hai chi\u1ec1u tr\u00ean s\u1ee3i quang, t\u1ea1o n\u00ean x\u01b0\u01a1ng s\u1ed1ng c\u1ee7a c\u00e1c m\u1ea1ng d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hi\u1ec7u n\u0103ng c\u1ee7a TOSA \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng trong c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 trung t\u00e2m d\u1eef li\u1ec7u, vi\u1ec5n th\u00f4ng v\u00e0 m\u1ea1ng doanh nghi\u1ec7p\u2014n\u01a1i y\u00eau c\u1ea7u t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u cao v\u00e0 \u0111\u1ed9 tin c\u1eady truy\u1ec1n d\u1eabn tuy\u1ec7t \u0111\u1ed1i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83c\udfe2 Xu h\u01b0\u1edbng t\u01b0\u01a1ng lai trong c\u00f4ng ngh\u1ec7 TOSA<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>Quang h\u1ecdc t\u00edch h\u1ee3p c\u00f9ng g\u00f3i (CPO)<\/strong> \u2013 T\u00edch h\u1ee3p TOSA v\u1edbi ASIC cho chu\u1ea9n 800G\/1,6T.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>TOSA \u0111i\u1ec1u ch\u1ec9nh b\u01b0\u1edbc s\u00f3ng<\/strong> \u2013 Chuy\u1ec3n \u0111\u1ed5i b\u01b0\u1edbc s\u00f3ng linh ho\u1ea1t theo y\u00eau c\u1ea7u m\u1ea1ng.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Photonics Silicon<\/strong> \u2013 T\u00edch h\u1ee3p laser nh\u1ecf g\u1ecdn h\u01a1n, chi ph\u00ed th\u1ea5p h\u01a1n.<br\/><\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >Chuy\u00ean m\u00f4n c\u1ee7a LINK-PP trong c\u00f4ng ngh\u1ec7 TOSA<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">L\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t h\u00e0ng \u0111\u1ea7u trong ng\u00e0nh truy\u1ec1n th\u00f4ng quang, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\">LINK-PP<\/a> cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 c\u00e1c lo\u1ea1i m\u00f4-\u0111un quang t\u00edch h\u1ee3p c\u00f4ng ngh\u1ec7 TOSA ti\u00ean ti\u1ebfn. S\u1ea3n ph\u1ea9m c\u1ee7a h\u1ecd \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf nh\u1eb1m \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u kh\u1eaft khe c\u1ee7a m\u1ea1ng hi\u1ec7n \u0111\u1ea1i, \u0111\u1ea3m b\u1ea3o hi\u1ec7u n\u0103ng cao, \u0111\u1ed9 tin c\u1eady v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng.<\/p>","protected":false},"excerpt":{"rendered":"<p>TOSA l\u00e0 th\u00e0nh ph\u1ea7n then ch\u1ed1t trong c\u00e1c m\u00f4-\u0111un thu ph\u00e1t quang, c\u00f3 nhi\u1ec7m v\u1ee5 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u0111i\u1ec7n th\u00e0nh t\u00edn hi\u1ec7u quang nh\u1eb1m ph\u1ee5c v\u1ee5 truy\u1ec1n th\u00f4ng quang s\u1ee3i t\u1ed1c \u0111\u1ed9 cao. <\/p>","protected":false},"author":1,"featured_media":6613,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[27],"tags":[26],"class_list":["post-6614","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/6614","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/comments?post=6614"}],"version-history":[{"count":5,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/6614\/revisions"}],"predecessor-version":[{"id":11520,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/6614\/revisions\/11520"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/6613"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=6614"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=6614"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=6614"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}