{"id":3845,"date":"2025-11-17T00:00:00","date_gmt":"2025-11-17T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/coherent-wdm-high-capacity-long-distance-optical-transmission\/"},"modified":"2026-06-22T05:01:42","modified_gmt":"2026-06-22T05:01:42","slug":"coherent-wdm-high-capacity-long-distance-optical-transmission","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/coherent-wdm-high-capacity-long-distance-optical-transmission","title":{"rendered":"Coherent WDM l\u00e0 g\u00ec? C\u00e1ch m\u1ea1ng h\u00f3a c\u00e1c m\u1ea1ng quang t\u1ed1c \u0111\u1ed9 cao"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2f5ca792641e48f09b7e364ad1a8d3b5.webp\" alt=\"What is Coherent WDM\" class=\"wp-image-3843\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2f5ca792641e48f09b7e364ad1a8d3b5.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2f5ca792641e48f09b7e364ad1a8d3b5-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2f5ca792641e48f09b7e364ad1a8d3b5-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2f5ca792641e48f09b7e364ad1a8d3b5-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2f5ca792641e48f09b7e364ad1a8d3b5-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Trong th\u1ebf gi\u1edbi l\u1ea5y d\u1eef li\u1ec7u l\u00e0m trung t\u00e2m ng\u00e0y nay, nhu c\u1ea7u v\u1ec1 c\u00e1c m\u1ea1ng quang nhanh h\u01a1n v\u00e0 \u0111\u00e1ng tin c\u1eady h\u01a1n \u0111ang t\u0103ng v\u1ecdt. C\u00e1c c\u00f4ng ngh\u1ec7 truy\u1ec1n th\u1ed1ng <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/wdm-optical-transceiver-module-applications\/\"><strong>\u0110a h\u1ee3p ph\u00e2n chia theo b\u01b0\u1edbc s\u00f3ng (WDM)<\/strong><\/a> \u0111\u00e3 l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a quang h\u1ecdc s\u1ee3i quang, nh\u01b0ng khi nhu c\u1ea7u b\u0103ng th\u00f4ng b\u00f9ng n\u1ed5, Coherent WDM n\u1ed5i l\u00ean nh\u01b0 m\u1ed9t b\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 mang t\u00ednh c\u00e1ch m\u1ea1ng. C\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn n\u00e0y k\u1ebft h\u1ee3p WDM v\u1edbi c\u00e1c nguy\u00ean l\u00fd ph\u00e1t hi\u1ec7n \u0111\u1ed3ng pha \u0111\u1ec3 t\u0103ng \u0111\u00e1ng k\u1ec3 dung l\u01b0\u1ee3ng d\u1eef li\u1ec7u, hi\u1ec7u su\u1ea5t ph\u1ed5 v\u00e0 kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn. D\u00f9 b\u1ea1n ho\u1ea1t \u0111\u1ed9ng trong l\u0129nh v\u1ef1c vi\u1ec5n th\u00f4ng, trung t\u00e2m d\u1eef li\u1ec7u hay m\u1ea1ng doanh nghi\u1ec7p, vi\u1ec7c hi\u1ec3u r\u00f5 <strong>Coherent WDM<\/strong> l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 khai th\u00e1c c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng th\u1ebf h\u1ec7 ti\u1ebfp theo. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd kh\u00e1m ph\u00e1 Coherent WDM l\u00e0 g\u00ec, c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng, nh\u1eefng \u01b0u \u0111i\u1ec3m c\u1ee7a n\u00f3 c\u0169ng nh\u01b0 vai tr\u00f2 trong c\u00e1c h\u1ec7 th\u1ed1ng hi\u1ec7n \u0111\u1ea1i\u2014bao g\u1ed3m c\u1ea3 nh\u1eefng th\u00f4ng tin chi ti\u1ebft v\u1ec1 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>b\u1ed9 thu ph\u00e1t quang<\/strong><\/a> nh\u01b0 nh\u1eefng s\u1ea3n ph\u1ea9m t\u1eeb <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.link-pp.com\/\"><strong>LINK-PP<\/strong><\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ebfn cu\u1ed1i b\u00e0i, b\u1ea1n s\u1ebd n\u1eafm \u0111\u01b0\u1ee3c v\u00ec sao truy\u1ec1n th\u00f4ng quang \u0111\u1ed3ng pha l\u1ea1i then ch\u1ed1t \u0111\u1ed1i v\u1edbi vi\u1ec7c m\u1edf r\u1ed9ng quy m\u00f4 m\u1ea1ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. H\u00e3y c\u00f9ng b\u1eaft \u0111\u1ea7u ngay!<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdc T\u00f3m t\u1eaft tr\u1ecdng t\u00e2m<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Coherent WDM<\/strong> c\u00f3 th\u1ec3 g\u1eedi l\u01b0\u1ee3ng l\u1edbn d\u1eef li\u1ec7u nhanh ch\u00f3ng. N\u00f3 s\u1eed d\u1ee5ng bi\u00ean \u0111\u1ed9, pha v\u00e0 ph\u00e2n c\u1ef1c \u0111\u1ec3 truy\u1ec1n nhi\u1ec1u th\u00f4ng tin h\u01a1n. Nh\u1eefng t\u00edn hi\u1ec7u n\u00e0y di chuy\u1ec3n qua s\u1ee3i quang.<\/p><\/li><li><p>Coherent WDM c\u1ea7n m\u1ed9t s\u1ed1 th\u00e0nh ph\u1ea7n quan tr\u1ecdng. N\u00f3 c\u00f3 ngu\u1ed3n laser \u1ed5n \u0111\u1ecbnh. N\u00f3 s\u1eed d\u1ee5ng b\u1ed9 \u0111i\u1ec1u ch\u1ebf \u0111\u1ec3 th\u00eam d\u1eef li\u1ec7u v\u00e0o t\u00edn hi\u1ec7u. S\u1ee3i quang truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u. B\u1ed9 thu \u0111\u1ed3ng pha \u0111\u1ecdc c\u00e1c t\u00edn hi\u1ec7u. M\u1ed9t <strong>b\u1ed9 x\u1eed l\u00fd t\u00edn hi\u1ec7u s\u1ed1 (DSP)<\/strong> gi\u00fap l\u00e0m s\u1ea1ch d\u1eef li\u1ec7u.<\/p><\/li><li><p>Ph\u00e1t hi\u1ec7n \u0111\u1ed3ng pha l\u00e0m cho t\u00edn hi\u1ec7u r\u00f5 r\u00e0ng h\u01a1n. N\u00f3 ki\u1ec3m tra nhi\u1ec1u \u0111\u1eb7c t\u00ednh c\u1ee7a \u00e1nh s\u00e1ng. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m nhi\u1ec5u v\u00e0 suy hao t\u00edn hi\u1ec7u. N\u00f3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t tr\u00ean kho\u1ea3ng c\u00e1ch d\u00e0i.<\/p><\/li><li><p>C\u00e1c c\u00f4ng c\u1ee5 x\u1eed l\u00fd t\u00edn hi\u1ec7u m\u1edbi h\u1ed7 tr\u1ee3 r\u1ea5t nhi\u1ec1u. C\u00e1c b\u1ed9 ph\u00e1t quang silicon gi\u00fap t\u0103ng t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u. Ch\u00fang s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng hi\u1ec7u qu\u1ea3 h\u01a1n. \u0110i\u1ec1u n\u00e0y khi\u1ebfn Coherent WDM tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi cho c\u00e1c m\u1ea1ng \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y v\u00e0 trung t\u00e2m d\u1eef li\u1ec7u.<\/p><\/li><li><p>Coherent WDM v\u01b0\u1ee3t tr\u1ed9i h\u01a1n c\u00e1c lo\u1ea1i WDM kh\u00e1c. N\u00f3 c\u00f3 kh\u1ea3 n\u0103ng truy\u1ec1n t\u1ea3i nhi\u1ec1u d\u1eef li\u1ec7u h\u01a1n, \u0111\u1ea1t kho\u1ea3ng c\u00e1ch xa h\u01a1n v\u00e0 kh\u1eafc ph\u1ee5c l\u1ed7i t\u1ed1t h\u01a1n. \u0110\u00e2y l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u \u0111\u1ec3 truy\u1ec1n l\u01b0\u1ee3ng l\u1edbn d\u1eef li\u1ec7u \u0111i xa.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdc WDM l\u00e0 g\u00ec? \u00d4n t\u1eadp nhanh<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/wdm-optical-transceiver-module-applications\/\"><strong>\u0110a h\u1ee3p ph\u00e2n chia theo b\u01b0\u1edbc s\u00f3ng (WDM)<\/strong><\/a> l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt cho ph\u00e9p truy\u1ec1n \u0111\u1ed3ng th\u1eddi nhi\u1ec1u t\u00edn hi\u1ec7u quang tr\u00ean m\u1ed9t s\u1ee3i quang duy nh\u1ea5t b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c b\u01b0\u1edbc s\u00f3ng (ho\u1eb7c m\u00e0u s\u1eafc) \u00e1nh s\u00e1ng kh\u00e1c nhau. N\u00f3 gi\u1ed1ng nh\u01b0 m\u1ed9t xa l\u1ed9 nhi\u1ec1u l\u00e0n d\u00e0nh cho d\u1eef li\u1ec7u, trong \u0111\u00f3 m\u1ed7i b\u01b0\u1edbc s\u00f3ng ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t k\u00eanh ri\u00eang bi\u1ec7t. C\u00f3 hai lo\u1ea1i ch\u00ednh:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-cwdm-understanding-coarse-wavelength-division-multiplexing\/\"><strong>WDM th\u00f4 (CWDM)<\/strong><\/a><strong>:<\/strong> S\u1eed d\u1ee5ng kho\u1ea3ng c\u00e1ch b\u01b0\u1edbc s\u00f3ng r\u1ed9ng h\u01a1n, th\u01b0\u1eddng l\u00e0 18\u201320 k\u00eanh, ph\u00f9 h\u1ee3p l\u00fd t\u01b0\u1edfng cho c\u00e1c kho\u1ea3ng c\u00e1ch ng\u1eafn.<\/p><\/li><li><p style=\"margin: 0px;\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-dwdm-explaining-dense-wavelength-division-multiplexing\/\"><strong>WDM d\u00e0y \u0111\u1eb7c (DWDM)<\/strong><\/a><strong>:<\/strong> S\u1eed d\u1ee5ng kho\u1ea3ng c\u00e1ch b\u01b0\u1edbc s\u00f3ng s\u00e1t h\u01a1n, h\u1ed7 tr\u1ee3 l\u00ean \u0111\u1ebfn 80\u2013160 k\u00eanh, th\u00edch h\u1ee3p cho m\u1ea1ng \u0111\u01b0\u1eddng d\u00e0i v\u00e0 m\u1ea1ng \u0111\u00f4 th\u1ecb.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 WDM truy\u1ec1n th\u1ed1ng n\u00e2ng cao dung l\u01b0\u1ee3ng, n\u00f3 d\u1ef1a v\u00e0o ph\u00e1t hi\u1ec7n tr\u1ef1c ti\u1ebfp, v\u1ed1n c\u00f3 nh\u1eefng h\u1ea1n ch\u1ebf v\u1ec1 \u0111\u1ed9 nh\u1ea1y v\u00e0 hi\u1ec7u qu\u1ea3 ph\u1ed5. \u0110\u00e2y l\u00e0 l\u00fac <strong>Coherent WDM<\/strong> xu\u1ea5t hi\u1ec7n \u0111\u1ec3 v\u01b0\u1ee3t qua nh\u1eefng r\u00e0o c\u1ea3n n\u00e0y.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdc Coherent WDM l\u00e0 g\u00ec?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Coherent WDM<\/strong> t\u00edch h\u1ee3p ph\u00e1t hi\u1ec7n coherent v\u1edbi WDM, khai th\u00e1c pha, bi\u00ean \u0111\u1ed9 v\u00e0 ph\u00e2n c\u1ef1c c\u1ee7a s\u00f3ng \u00e1nh s\u00e1ng \u0111\u1ec3 m\u00e3 h\u00f3a d\u1eef li\u1ec7u. Kh\u00e1c v\u1edbi ph\u00e1t hi\u1ec7n tr\u1ef1c ti\u1ebfp (ch\u1ec9 \u0111o c\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng), c\u00e1c h\u1ec7 th\u1ed1ng coherent gi\u1ea3i m\u00e3 c\u1ea3 th\u00f4ng tin c\u01b0\u1eddng \u0111\u1ed9 l\u1eabn pha, cho ph\u00e9p:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u cao h\u01a1n<\/strong> (v\u00ed d\u1ee5: 100G, 400G v\u00e0 cao h\u01a1n n\u1eefa)<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Hi\u1ec7u qu\u1ea3 ph\u1ed5 c\u1ea3i thi\u1ec7n<\/strong> (nhi\u1ec1u bit h\u01a1n tr\u00ean m\u1ed7i Hz)<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn d\u00e0i h\u01a1n<\/strong> v\u1edbi m\u1ee9c suy hao t\u00edn hi\u1ec7u t\u1ed1i thi\u1ec3u<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u0110\u1ed9 b\u1ec1n t\u0103ng c\u01b0\u1eddng<\/strong> tr\u01b0\u1edbc c\u00e1c suy hao nh\u01b0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/chromatic-dispersion-cd-in-fiber-optics-signal-impact\/\"><strong>t\u00e1n s\u1eafc s\u1eafc \u0111\u1ed9<\/strong><\/a> and <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/polarization-mode-dispersion-in-fiber-optics\/\"><strong>t\u00e1n s\u1eafc ch\u1ebf \u0111\u1ed9 ph\u00e2n c\u1ef1c<\/strong><\/a><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1ec1 b\u1ea3n ch\u1ea5t, Coherent WDM bi\u1ebfn \u0111\u1ed5i m\u1ea1ng quang b\u1eb1ng c\u00e1ch \u00e1p d\u1ee5ng <strong>x\u1eed l\u00fd t\u00edn hi\u1ec7u s\u1ed1 (DSP)<\/strong> \u0111\u1ec3 \u201cl\u00e0m s\u1ea1ch\u201d v\u00e0 di\u1ec5n gi\u1ea3i t\u00edn hi\u1ec7u, khi\u1ebfn n\u00f3 tr\u1edf n\u00ean l\u00fd t\u01b0\u1edfng cho <strong>m\u1ea1ng quang dung l\u01b0\u1ee3ng cao<\/strong> and <strong>h\u1ec7 th\u1ed1ng truy\u1ec1n th\u00f4ng \u0111\u01b0\u1eddng d\u00e0i<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdc Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Coherent WDM: C\u00e1c nguy\u00ean l\u00fd c\u1ed1t l\u00f5i<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Coherent WDM<\/strong> ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean ba th\u00e0nh ph\u1ea7n ch\u00ednh: <\/p>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p style=\"margin: 0px;\"><strong>Truy\u1ec1n d\u1eabn coherent:<\/strong> S\u1eed d\u1ee5ng c\u00e1c s\u01a1 \u0111\u1ed3<strong> <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/search\/?keyword=modulation\"><strong>\u0111i\u1ec1u ch\u1ebf<\/strong><\/a> ti\u00ean ti\u1ebfn (v\u00ed d\u1ee5: QPSK, 16-QAM) \u0111\u1ec3 m\u00e3 h\u00f3a d\u1eef li\u1ec7u tr\u00ean pha v\u00e0 bi\u00ean \u0111\u1ed9 c\u1ee7a s\u00f3ng \u00e1nh s\u00e1ng.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Dao \u0111\u1ed9ng k\u1ebf c\u1ee5c b\u1ed9:<\/strong> M\u1ed9t laser tham chi\u1ebfu t\u1ea1i m\u00e1y thu tr\u1ed9n v\u1edbi t\u00edn hi\u1ec7u \u0111\u1ea7u v\u00e0o, cho ph\u00e9p tr\u00edch xu\u1ea5t ch\u00ednh x\u00e1c d\u1eef li\u1ec7u v\u1ec1 pha v\u00e0 bi\u00ean \u0111\u1ed9.<\/p><\/li><li><p style=\"margin: 0px;\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/digital-signal-processor-functionality-in-optical-transceivers\/\"><strong>X\u1eed l\u00fd t\u00edn hi\u1ec7u s\u1ed1 (DSP)<\/strong><\/a><strong>:<\/strong> B\u00f9 tr\u1eeb c\u00e1c suy hao v\u1eadt l\u00fd m\u1ed9t c\u00e1ch \u0111i\u1ec7n t\u1eed, gi\u1ea3m nhu c\u1ea7u v\u1ec1 c\u00e1c th\u00e0nh ph\u1ea7n quang h\u1ecdc ph\u1ee9c t\u1ea1p.<\/p><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Qu\u00e1 tr\u00ecnh n\u00e0y cho ph\u00e9p <strong>ph\u00e1t hi\u1ec7n coherent<\/strong> \u0111\u1ea1t \u0111\u01b0\u1ee3c nh\u1eefng c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 v\u1ec1 hi\u1ec7u n\u0103ng. V\u00ed d\u1ee5, trong <strong>c\u00e1c h\u1ec7 th\u1ed1ng DWDM<\/strong>, WDM \u0111\u1ed3ng b\u1ed9 c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 dung l\u01b0\u1ee3ng quy m\u00f4 terabit tr\u00ean h\u00e0ng ngh\u00ecn kil\u00f4m\u00e9t.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" >\ud83d\udcca So s\u00e1nh: WDM truy\u1ec1n th\u1ed1ng so v\u1edbi WDM \u0111\u1ed3ng b\u1ed9<\/h4>\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;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p><strong>\u0110\u1eb7c t\u00ednh<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>WDM truy\u1ec1n th\u1ed1ng<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>Coherent WDM<\/strong><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t hi\u1ec7n<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ph\u00e1t hi\u1ec7n tr\u1ef1c ti\u1ebfp<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ph\u00e1t hi\u1ec7n \u0111\u1ed3ng b\u1ed9 v\u1edbi x\u1eed l\u00fd t\u00edn hi\u1ec7u s\u1ed1 (DSP)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u tr\u00ean m\u1ed7i k\u00eanh<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1i \u0111a 10G\/40G<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1eeb 100G \u0111\u1ebfn 1,6T v\u00e0 cao h\u01a1n n\u1eefa<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Hi\u1ec7u su\u1ea5t ph\u1ed5<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Th\u1ea5p (v\u00ed d\u1ee5: 0,5\u20132 b\/s\/Hz)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Cao (v\u00ed d\u1ee5: 4\u20138 b\/s\/Hz)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>10km, 20km, 40km<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Gi\u1edbi h\u1ea1n (v\u00ed d\u1ee5: &lt;100 km)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>M\u1edf r\u1ed9ng (v\u00ed d\u1ee5: 1000+ km)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Hi\u1ec7u qu\u1ea3 chi ph\u00ed<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Th\u1ea5p h\u01a1n cho kho\u1ea3ng c\u00e1ch ng\u1eafn<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1t h\u01a1n cho \u1ee9ng d\u1ee5ng t\u1ed1c \u0111\u1ed9 cao v\u00e0 \u0111\u01b0\u1eddng d\u00e0i<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea3ng n\u00e0y l\u00e0m n\u1ed5i b\u1eadt l\u00fd do v\u00ec sao <strong>c\u00f4ng ngh\u1ec7 \u0111\u1ed3ng b\u1ed9<\/strong> \u0111ang chi\u1ebfm \u01b0u th\u1ebf trong c\u00e1c n\u00e2ng c\u1ea5p hi\u1ec7n \u0111\u1ea1i, \u0111\u1eb7c bi\u1ec7t l\u00e0 cho <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/data-center-interconnect-definition-benefits-and-role-of-optical-modules\/\"><strong>k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u (DCI)<\/strong><\/a> and <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-5g-backhaul\/\"><strong>m\u1ea1ng h\u1ed3i ti\u1ebfp 5G<\/strong><\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdc C\u00e1c \u01b0u \u0111i\u1ec3m c\u1ee7a WDM \u0111\u1ed3ng b\u1ed9<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c \u00e1p d\u1ee5ng <strong>Coherent WDM<\/strong> mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho <strong>t\u1ed1i \u01b0u h\u00f3a m\u1ea1ng quang<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng:<\/strong> H\u1ed7 tr\u1ee3 s\u1ef1 gia t\u0103ng theo c\u1ea5p s\u1ed1 nh\u00e2n c\u1ee7a l\u01b0u l\u01b0\u1ee3ng d\u1eef li\u1ec7u m\u00e0 kh\u00f4ng c\u1ea7n thay th\u1ebf c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u00e1p quang.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>T\u00ednh linh ho\u1ea1t:<\/strong> \u0110i\u1ec1u ch\u1ec9nh b\u01b0\u1edbc s\u00f3ng d\u1ef1a tr\u00ean ph\u1ea7n m\u1ec1m cho ph\u00e9p ph\u00e2n b\u1ed5 b\u01b0\u1edbc s\u00f3ng \u0111\u1ed9ng.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Hi\u1ec7u qu\u1ea3 chi ph\u00ed:<\/strong> Gi\u1ea3m nhu c\u1ea7u v\u1ec1 b\u1ed9 khu\u1ebfch \u0111\u1ea1i quang v\u00e0 b\u1ed9 t\u00e1i t\u1ea1o t\u00edn hi\u1ec7u, t\u1eeb \u0111\u00f3 gi\u1ea3m chi ph\u00ed v\u1eadn h\u00e0nh.<\/p><\/li><li><p style=\"margin: 0px;\"><strong><p>Simplified Cable Management:<\/p><\/strong> T\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi n\u1ed5i nh\u01b0 <strong>m\u1ea1ng quang \u0111\u00e0n h\u1ed3i<\/strong>.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1eefng \u01b0u \u0111i\u1ec3m n\u00e0y khi\u1ebfn WDM \u0111\u1ed3ng b\u1ed9 tr\u1edf n\u00ean thi\u1ebft y\u1ebfu cho c\u00e1c \u1ee9ng d\u1ee5ng trong vi\u1ec5n th\u00f4ng, d\u1ecbch v\u1ee5 \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y v\u00e0 IoT, n\u01a1i y\u00eau c\u1ea7u <strong>truy\u1ec1n d\u1eabn d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao<\/strong> l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdc B\u1ed9 thu ph\u00e1t quang trong h\u1ec7 th\u1ed1ng WDM \u0111\u1ed3ng b\u1ed9<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2166d2addc9f444fad397061f44dccfd.webp\" alt=\"Coherent Transceivers\" class=\"wp-image-3844\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2166d2addc9f444fad397061f44dccfd.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2166d2addc9f444fad397061f44dccfd-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2166d2addc9f444fad397061f44dccfd-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2166d2addc9f444fad397061f44dccfd-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2166d2addc9f444fad397061f44dccfd-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>B\u1ed9 thu ph\u00e1t quang<\/strong><\/a> l\u00e0 tr\u00e1i tim c\u1ee7a m\u1ecdi h\u1ec7 th\u1ed1ng WDM, chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u0111i\u1ec7n th\u00e0nh t\u00edn hi\u1ec7u quang v\u00e0 ng\u01b0\u1ee3c l\u1ea1i. Trong WDM \u0111\u1ed3ng pha, c\u00e1c b\u1ed9 thu ph\u00e1t <strong>t\u00edch h\u1ee3p chip x\u1eed l\u00fd t\u00edn hi\u1ec7u s\u1ed1 (DSP)<\/strong> v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u1ed3ng pha \u0111\u1ec3 x\u1eed l\u00fd \u0111i\u1ec1u ch\u1ebf ph\u1ee9c t\u1ea1p. Ch\u00fang \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c \u0111\u1ea1t hi\u1ec7u su\u1ea5t cao tr\u00ean c\u00e1c d\u1ea1ng h\u1ec7 s\u1ed1 nh\u1ecf g\u1ecdn.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi l\u1ef1a ch\u1ecdn b\u1ed9 thu ph\u00e1t cho <strong>c\u00e1c \u1ee9ng d\u1ee5ng WDM \u0111\u1ed3ng pha<\/strong>, c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 h\u1ec7 s\u1ed1 h\u00ecnh d\u1ea1ng, m\u1ee9c ti\u00eau th\u1ee5 c\u00f4ng su\u1ea5t v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch r\u1ea5t quan tr\u1ecdng. V\u00ed d\u1ee5, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.link-pp.com\/\"><strong>LINK-PP<\/strong><\/a>, m\u1ed9t nh\u00e0 l\u00e3nh \u0111\u1ea1o trong l\u0129nh v\u1ef1c gi\u1ea3i ph\u00e1p quang h\u1ecdc, cung c\u1ea5p c\u00e1c b\u1ed9 thu ph\u00e1t m\u1ea1nh m\u1ebd \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang cho c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u1ed3ng pha. M\u1ed9t m\u1eabu n\u1ed5i b\u1eadt l\u00e0<strong> CFP2-DCO-400G<\/strong>, h\u1ed7 tr\u1ee3 t\u1ed1c \u0111\u1ed9 400G v\u1edbi \u0111\u1ed9 tin c\u1eady cao v\u00e0 \u0111\u1ed9 tr\u1ec5 th\u1ea5p. B\u1ed9 thu ph\u00e1t n\u00e0y l\u00fd t\u01b0\u1edfng cho <strong>c\u00e1c li\u00ean k\u1ebft \u0111\u1ed3ng pha \u0111\u01b0\u1eddng d\u00e0i<\/strong> and <strong>tri\u1ec3n khai m\u1ea1ng \u0111\u00f4 th\u1ecb<\/strong>, \u0111\u1ea3m b\u1ea3o t\u00edch h\u1ee3p li\u1ec1n m\u1ea1ch v\u1edbi c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng DWDM hi\u1ec7n c\u00f3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1edd t\u1eadn d\u1ee5ng <strong>B\u1ed9 thu ph\u00e1t LINK-PP<\/strong>, c\u00e1c nh\u00e0 khai th\u00e1c m\u1ea1ng c\u00f3 th\u1ec3 n\u00e2ng cao <strong>hi\u1ec7u su\u1ea5t quang \u0111\u1ed3ng pha<\/strong> c\u1ee7a h\u1ecd \u0111\u1ed3ng th\u1eddi duy tr\u00ec kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng. \u0110\u1ed1i v\u1edbi c\u00e1c c\u1ea5u h\u00ecnh m\u1eadt \u0111\u1ed9 cao, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/page\/aboutus.htm\"><strong>LINK-PP<\/strong><\/a> c\u0169ng cung c\u1ea5p c\u00e1c l\u1ef1a ch\u1ecdn nh\u01b0 <strong>QSFP-DD<\/strong> h\u1ec7 s\u1ed1 h\u00ecnh d\u1ea1ng, \u0111\u00e1p \u1ee9ng nhu c\u1ea7u ng\u00e0y c\u00e0ng t\u0103ng c\u1ee7a trung t\u00e2m d\u1eef li\u1ec7u.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdc C\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a WDM \u0111\u1ed3ng pha<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Coherent WDM<\/strong> \u0111ang c\u00e1ch m\u1ea1ng h\u00f3a nhi\u1ec1u l\u0129nh v\u1ef1c:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>M\u1ea1ng vi\u1ec5n th\u00f4ng:<\/strong> Cho ph\u00e9p c\u00e1c li\u00ean k\u1ebft x\u01b0\u01a1ng s\u1ed1ng dung l\u01b0\u1ee3ng cao nh\u1eb1m k\u1ebft n\u1ed1i to\u00e0n c\u1ea7u.<\/p><\/li><li><p style=\"margin: 0px;\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/data-center-interconnect-definition-benefits-and-role-of-optical-modules\/\"><strong>Li\u00ean k\u1ebft n\u1ed9i b\u1ed9 trung t\u00e2m d\u1eef li\u1ec7u (DCI)<\/strong><\/a><strong>:<\/strong> H\u1ed7 tr\u1ee3 vi\u1ec7c truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u nhanh ch\u00f3ng v\u00e0 \u0111\u00e1ng tin c\u1eady gi\u1eefa c\u00e1c c\u01a1 s\u1edf.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>C\u00e1p bi\u1ec3n:<\/strong> \u0110\u1ea3m b\u1ea3o vi\u1ec5n th\u00f4ng d\u01b0\u1edbi bi\u1ec3n v\u1edbi t\u1ea7m xa m\u1edf r\u1ed9ng v\u00e0 \u0111\u1ed9 b\u1ec1n cao.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Doanh nghi\u1ec7p v\u00e0 IoT:<\/strong> H\u1ed7 tr\u1ee3 c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi b\u0103ng th\u00f4ng l\u1edbn nh\u01b0 ph\u00e1t tr\u1ef1c tuy\u1ebfn video v\u00e0 tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Khi <strong>c\u00f4ng ngh\u1ec7 WDM \u0111\u1ed3ng pha<\/strong> ti\u1ebfn b\u1ed9, n\u00f3 m\u1edf \u0111\u01b0\u1eddng cho c\u00e1c m\u1ea1ng \u1edf k\u1ef7 nguy\u00ean terabit, ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c xu h\u01b0\u1edbng nh\u01b0 <strong>\u1ea3o h\u00f3a m\u1ea1ng<\/strong> and <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-you-need-to-know-about-edge-computing-key-benefits-uses\/\"><strong>\u0111i\u1ec7n to\u00e1n bi\u00ean<\/strong><\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdc K\u1ebft lu\u1eadn: \u0110\u00f3n \u0111\u1ea7u t\u01b0\u01a1ng lai c\u1ee7a WDM \u0111\u1ed3ng pha<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Coherent WDM<\/strong> \u0111\u1ea1i di\u1ec7n cho m\u1ed9t b\u01b0\u1edbc ti\u1ebfn quan tr\u1ecdng trong vi\u1ec5n th\u00f4ng quang h\u1ecdc, mang l\u1ea1i kh\u1ea3 n\u0103ng truy\u1ec1n t\u1ea3i, hi\u1ec7u qu\u1ea3 v\u00e0 t\u00ednh linh ho\u1ea1t ch\u01b0a t\u1eebng c\u00f3. B\u1eb1ng c\u00e1ch hi\u1ec3u r\u00f5 c\u00e1c nguy\u00ean l\u00fd v\u00e0 l\u1ee3i \u00edch c\u1ee7a n\u00f3, c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p c\u00f3 th\u1ec3 ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t \u0111\u1ec3 n\u00e2ng c\u1ea5p c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u1ee7a m\u00ecnh. V\u1edbi c\u00e1c \u0111\u1ed5i m\u1edbi t\u1eeb c\u00e1c th\u01b0\u01a1ng hi\u1ec7u nh\u01b0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.link-pp.com\/\"><strong>LINK-PP<\/strong><\/a>, bao g\u1ed3m c\u00e1c b\u1ed9 thu ph\u00e1t ti\u00ean ti\u1ebfn nh\u01b0 <strong>CFP2-DCO-400G<\/strong>, vi\u1ec7c tri\u1ec3n khai WDM \u0111\u1ed3ng pha ch\u01b0a bao gi\u1edd d\u1ec5 ti\u1ebfp c\u1eadn h\u01a1n th\u1ebf.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi l\u1eadp k\u1ebf ho\u1ea1ch chi\u1ebfn l\u01b0\u1ee3c m\u1ea1ng c\u1ee7a b\u1ea1n, h\u00e3y c\u00e2n nh\u1eafc c\u00e1ch <strong>ph\u00e1t hi\u1ec7n coherent<\/strong> and <strong>c\u00e1c h\u1ec7 th\u1ed1ng WDM<\/strong> c\u00f3 th\u1ec3 th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a b\u1ea1n. \u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin chi ti\u1ebft v\u1ec1 <strong>c\u00e1c gi\u1ea3i ph\u00e1p b\u1ed9 thu ph\u00e1t quang<\/strong>, h\u00e3y kh\u00e1m ph\u00e1 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>danh m\u1ee5c s\u1ea3n ph\u1ea9m c\u1ee7a LINK-PP<\/strong><\/a> \u0111\u1ec3 t\u00ecm gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi nhu c\u1ea7u c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdc C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ)<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0110i\u1ec1u g\u00ec l\u00e0m n\u00ean s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa WDM \u0111\u1ed3ng pha v\u00e0 WDM th\u00f4ng th\u01b0\u1eddng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n s\u1eed d\u1ee5ng WDM \u0111\u1ed3ng pha \u0111\u1ec3 \u0111\u1ecdc nhi\u1ec1u th\u00e0nh ph\u1ea7n h\u01a1n c\u1ee7a t\u00edn hi\u1ec7u \u00e1nh s\u00e1ng \u2014 c\u1ee5 th\u1ec3 l\u00e0 bi\u00ean \u0111\u1ed9, pha v\u00e0 ph\u00e2n c\u1ef1c. Trong khi \u0111\u00f3, WDM th\u00f4ng th\u01b0\u1eddng ch\u1ec9 ki\u1ec3m tra c\u01b0\u1eddng \u0111\u1ed9 t\u00edn hi\u1ec7u. WDM \u0111\u1ed3ng pha cho ph\u00e9p b\u1ea1n truy\u1ec1n nhi\u1ec1u d\u1eef li\u1ec7u h\u01a1n v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t h\u01a1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0110\u1ecbnh d\u1ea1ng \u0111i\u1ec1u ch\u1ebf trong WDM \u0111\u1ed3ng pha l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ecbnh d\u1ea1ng \u0111i\u1ec1u ch\u1ebf l\u00e0 c\u00e1ch b\u1ea1n thay \u0111\u1ed5i t\u00edn hi\u1ec7u \u00e1nh s\u00e1ng \u0111\u1ec3 mang d\u1eef li\u1ec7u. Trong WDM \u0111\u1ed3ng pha, b\u1ea1n s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ecbnh d\u1ea1ng nh\u01b0 PM-QPSK ho\u1eb7c PM-16QAM. Nh\u1eefng \u0111\u1ecbnh d\u1ea1ng n\u00e0y gi\u00fap b\u1ea1n truy\u1ec1n nhi\u1ec1u th\u00f4ng tin h\u01a1n trong m\u1ed7i t\u00edn hi\u1ec7u.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng WDM \u0111\u1ed3ng pha v\u00e0o m\u1ee5c \u0111\u00edch g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n d\u00f9ng WDM \u0111\u1ed3ng pha cho c\u00e1c li\u00ean k\u1ebft d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao gi\u1eefa c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u. B\u1ea1n c\u0169ng d\u00f9ng n\u00f3 cho m\u1ea1ng \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y v\u00e0 c\u00e1c tuy\u1ebfn vi\u1ec5n th\u00f4ng kho\u1ea3ng c\u00e1ch xa. N\u00f3 gi\u00fap b\u1ea1n di chuy\u1ec3n kh\u1ed1i l\u01b0\u1ee3ng d\u1eef li\u1ec7u l\u1edbn m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 r\u00f5 r\u00e0ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Vai tr\u00f2 c\u1ee7a b\u1ed9 x\u1eed l\u00fd t\u00edn hi\u1ec7u s\u1ed1 (DSP) trong WDM \u0111\u1ed3ng pha l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DSP l\u00e0m s\u1ea1ch t\u00edn hi\u1ec7u c\u1ee7a b\u1ea1n. N\u00f3 lo\u1ea1i b\u1ecf nhi\u1ec5u v\u00e0 s\u1eeda l\u1ed7i. B\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c t\u00edn hi\u1ec7u r\u00f5 r\u00e0ng h\u01a1n, ngay c\u1ea3 khi t\u00edn hi\u1ec7u ph\u1ea3i truy\u1ec1n \u0111i xa. DSP gi\u00fap b\u1ea1n gi\u1eef an to\u00e0n v\u00e0 \u1ed5n \u0111\u1ecbnh d\u1eef li\u1ec7u.<\/p>","protected":false},"excerpt":{"rendered":"<p>WDM \u0111\u1ed3ng pha cho ph\u00e9p truy\u1ec1n d\u1eabn d\u1eef li\u1ec7u quang dung l\u01b0\u1ee3ng cao v\u00e0 kho\u1ea3ng c\u00e1ch xa b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ph\u00e1t hi\u1ec7n bi\u00ean \u0111\u1ed9, pha v\u00e0 ph\u00e2n c\u1ef1c.<\/p>","protected":false},"author":1,"featured_media":3843,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[13,17,24,26],"class_list":["post-3845","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-100g-modules","tag-400g-optical-modules","tag-link-pp","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/3845","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=3845"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/3845\/revisions"}],"predecessor-version":[{"id":10875,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/3845\/revisions\/10875"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/3843"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=3845"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=3845"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=3845"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}