{"id":5155,"date":"2025-09-09T00:00:00","date_gmt":"2025-09-09T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/what-is-multicore-fiber-in-high-speed-networks\/"},"modified":"2026-06-22T07:33:18","modified_gmt":"2026-06-22T07:33:18","slug":"what-is-multicore-fiber-in-high-speed-networks","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-multicore-fiber-in-high-speed-networks","title":{"rendered":"S\u1ee3i quang \u0111a l\u00f5i (MCF): C\u00e1ch m\u1ea1ng h\u00f3a m\u1eadt \u0111\u1ed9 d\u1eef li\u1ec7u b\u1eb1ng ph\u00e2n chia kh\u00f4ng gian"},"content":{"rendered":"
\"What<\/figure>\n\n\n\n

Nhu c\u1ea7u to\u00e0n c\u1ea7u kh\u00f4ng bao gi\u1edd tho\u1ea3 m\u00e3n \u0111\u1ed1i v\u1edbi d\u1eef li\u1ec7u \u0111ang \u0111\u1ea9y c\u00e1c s\u1ee3i quang th\u00f4ng th\u01b0\u1eddng \u0111\u1ebfn gi\u1edbi h\u1ea1n v\u1eadt l\u00fd c\u1ee7a ch\u00fang. Trong khi c\u00e1c c\u00f4ng ngh\u1ec7 nh\u01b0 \u0110a h\u1ee3p ph\u00e2n chia theo b\u01b0\u1edbc s\u00f3ng (WDM)<\/strong><\/a> \u0111\u00e3 l\u00e0 nh\u1eefng tr\u1ee5 c\u1ed9t, m\u1ed9t b\u01b0\u1edbc ti\u1ebfn ho\u00e1 n\u1ec1n t\u1ea3ng h\u01a1n \u0111ang di\u1ec5n ra. H\u00e3y c\u00f9ng l\u00e0m quen v\u1edbi S\u1ee3i quang \u0111a l\u00f5i (MCF)<\/strong> \u2013 m\u1ed9t c\u00f4ng ngh\u1ec7 \u0111\u1ed9t ph\u00e1 kh\u00f4ng ch\u1ec9 n\u00e2ng cao m\u00e0 c\u00f2n nh\u00e2n b\u1ed9i ch\u00ednh c\u00e1c \u0111\u01b0\u1eddng d\u1eabn \u00e1nh s\u00e1ng.<\/p>\n\n\n\n

\u0110\u00e2y kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t n\u00e2ng c\u1ea5p t\u1eebng b\u01b0\u1edbc; \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ef1 thay \u0111\u1ed5i mang t\u00ednh c\u00e1ch m\u1ea1ng. H\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 MCF l\u00e0 g\u00ec<\/strong>, t\u1ea1i sao n\u00f3 quan tr\u1ecdng, v\u00e0 c\u00e1ch n\u00f3 s\u1ebd \u0111\u1ecbnh h\u00ecnh t\u01b0\u01a1ng lai c\u1ee7a k\u1ebft n\u1ed1i.<\/p>\n\n\n\n

\ud83d\udcdd Ch\u00ednh x\u00e1c th\u00ec S\u1ee3i quang \u0111a l\u00f5i l\u00e0 g\u00ec?<\/strong><\/h2>\n\n\n\n

M\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n, s\u1ee3i quang \u0111a l\u00f5i<\/strong> l\u00e0 m\u1ed9t s\u1ee3i th\u1ee7y tinh \u0111\u01a1n ch\u1ee9a nhi\u1ec1u l\u00f5i d\u1eabn \u00e1nh s\u00e1ng \u0111\u1ed9c l\u1eadp , tr\u00e1i ng\u01b0\u1ee3c v\u1edbi s\u1ee3i quang truy\u1ec1n th\u1ed1ng<\/strong>, v\u1ed1n ch\u1ec9 c\u00f3 m\u1ed9t l\u00f5i duy nh\u1ea5t. v\u00e0 s\u1ee3i quang \u0111\u01a1n mode (SMF)<\/strong><\/a> or s\u1ee3i quang \u0111a mode (MMF)<\/strong><\/a>, H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng n\u00f3 nh\u01b0 m\u1ed9t xa l\u1ed9 nhi\u1ec1u l\u00e0n so v\u1edbi m\u1ed9t con \u0111\u01b0\u1eddng m\u1ed9t l\u00e0n. M\u1ed7i l\u00f5i c\u00f3 th\u1ec3 truy\u1ec1n \u0111\u1ed3ng th\u1eddi m\u1ed9t k\u00eanh d\u1eef li\u1ec7u ri\u00eang bi\u1ec7t, t\u1eeb \u0111\u00f3 t\u0103ng \u0111\u00e1ng k\u1ec3.<\/p>\n\n\n\n

dung l\u01b0\u1ee3ng s\u1ee3i quang v\u00e0 m\u1eadt \u0111\u1ed9 kh\u00f4ng gian<\/strong> and m\u00e0 kh\u00f4ng l\u00e0m t\u0103ng k\u00edch th\u01b0\u1edbc v\u1eadt l\u00fd c\u1ee7a c\u00e1p.<\/strong> \ud83d\udcdd T\u1ea1i sao S\u1ee3i quang \u0111a l\u00f5i l\u1ea1i l\u00e0 y\u1ebfu t\u1ed1 thay \u0111\u1ed5i cu\u1ed9c ch\u01a1i? Nh\u1eefng \u01b0u \u0111i\u1ec3m then ch\u1ed1t.<\/p>\n\n\n\n

L\u1ee3i \u00edch khi tri\u1ec3n khai<\/strong><\/h2>\n\n\n\n
\"Multicore<\/figure>\n\n\n\n

c\u00f4ng ngh\u1ec7 MCF l\u00e0 r\u1ea5t l\u1edbn, \u0111\u1eb7c bi\u1ec7t trong k\u1ef7 nguy\u00ean c\u1ee7a<\/strong> c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi b\u0103ng th\u00f4ng cao nh\u01b0 5G, tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o (AI) v\u00e0 Internet v\u1ea1n v\u1eadt (IoT).<\/strong> T\u0103ng c\u01b0\u1eddng dung l\u01b0\u1ee3ng kh\u1ed5ng l\u1ed3:.<\/p>\n\n\n\n

    \n

  1. \u0110\u00e2y l\u00e0 \u01b0u \u0111i\u1ec3m n\u1ed5i b\u1eadt nh\u1ea5t. Nh\u1edd c\u00f3 nhi\u1ec1u l\u00f5i (v\u00ed d\u1ee5: 4, 7, 19, th\u1eadm ch\u00ed t\u1edbi 32), MCF c\u00f3 th\u1ec3 nh\u00e2n l\u00ean t\u01b0\u01a1ng \u1ee9ng l\u01b0u l\u01b0\u1ee3ng d\u1eef li\u1ec7u tr\u00ean m\u1ed9t s\u1ee3i quang \u0111\u01a1n. \u0110i\u1ec1u n\u00e0y tr\u1ef1c ti\u1ebfp gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1<\/strong> c\u1ea1n ki\u1ec7t s\u1ee3i quang trong c\u00e1c \u1ed1ng d\u1eabn ch\u1eadt ch\u1ed9i.<\/strong> Hi\u1ec7u qu\u1ea3 kh\u00f4ng gian v\u01b0\u1ee3t tr\u1ed9i:.<\/p><\/li>

  2. Vi\u1ec7c tri\u1ec3n khai m\u1ed9t c\u00e1p MCF c\u00f3 th\u1ec3 thay th\u1ebf c\u1ea3 b\u00f3 s\u1ee3i quang \u0111\u01a1n l\u00f5i truy\u1ec1n th\u1ed1ng. \u0110i\u1ec1u n\u00e0y ti\u1ebft ki\u1ec7m kh\u00f4ng gian qu\u00fd gi\u00e1 trong trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng c\u0169ng nh\u01b0 th\u1ec3 t\u00edch trong c\u00e1c \u1ee9ng d\u1ee5ng h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 h\u1ea3i qu\u00e2n.<\/strong> Truy\u1ec1n t\u1ea3i nhi\u1ec1u d\u1eef li\u1ec7u h\u01a1n qua m\u1ed9t s\u1ee3i quang \u0111\u01a1n v\u1ed1n hi\u1ec7u qu\u1ea3 v\u1ec1 n\u0103ng l\u01b0\u1ee3ng h\u01a1n so v\u1edbi vi\u1ec7c c\u1ea5p \u0111i\u1ec7n cho nhi\u1ec1u s\u1ee3i quang ri\u00eang l\u1ebb c\u00f9ng c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed li\u00ean quan, g\u00f3p ph\u1ea7n v\u00e0o m\u1ee5c ti\u00eau xanh h\u01a1n.<\/p><\/li>

  3. Gi\u1ea3m ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng:
    <\/strong> \u0110\u1ea3m b\u1ea3o t\u00ednh s\u1eb5n s\u00e0ng cho t\u01b0\u01a1ng lai c\u1ee7a m\u1ea1ng l\u01b0\u1edbi:     k\u1ebft n\u1ed1i trung t\u00e2m d\u1eef li\u1ec7u (DCI)<\/strong><\/a> gi\u1ea3i ph\u00e1p.<\/p><\/li>

  4. \u0110\u1ea7u t\u01b0 v\u00e0o c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng MCF gi\u00fap chu\u1ea9n b\u1ecb m\u1ea1ng l\u01b0\u1edbi cho c\u00e1c y\u00eau c\u1ea7u th\u1ebf h\u1ec7 ti\u1ebfp theo, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh n\u1ec1n t\u1ea3ng then ch\u1ed1t cho<\/strong> m\u1ea1ng t\u1ed1c \u0111\u1ed9 cao v\u00e0 s\u1ef1 ti\u1ebfn ho\u00e1 c\u1ee7a n\u00f3.<\/strong> and quang h\u1ecdc<\/strong> evolution.<\/p><\/li>\n<\/ol>\n\n\n\n

    \ud83d\udcdd Hi\u1ec3u MCF trong b\u1ed1i c\u1ea3nh: B\u1ea3ng so s\u00e1nh<\/strong><\/h2>\n\n\n\n

    \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i hi\u1ec3u r\u1eb1ng MCF kh\u00e1c v\u1edbi c\u00e1c s\u1ee3i quang truy\u1ec1n th\u1ed1ng \u1edf ki\u1ebfn tr\u00fac<\/em> kh\u00f4ng gian. B\u1ea3ng sau \u0111\u00e2y l\u00e0m r\u00f5 nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh:<\/p>\n\n\n\n

    \n\n<\/colgroup>

    \u0110\u1eb7c t\u00ednh<\/p><\/th>

    C\u00e1p quang \u0111\u01a1n mode (SMF)<\/strong><\/a><\/p><\/th>

    C\u00e1p quang \u0111a mode (MMF)<\/strong><\/a><\/p><\/th>

    S\u1ee3i quang \u0111a l\u00f5i (MCF)<\/strong><\/p><\/th><\/tr>

    \u0110\u1eb7c \u0111i\u1ec3m \u0111\u1ecbnh ngh\u0129a<\/strong><\/p><\/td>

    M\u1ed9t \u0111\u01b0\u1eddng \u0111i duy nh\u1ea5t c\u1ee7a \u00e1nh s\u00e1ng<\/p><\/td>

    Nhi\u1ec1u \u0111\u01b0\u1eddng \u0111i c\u1ee7a \u00e1nh s\u00e1ng (nhi\u1ec1u ch\u1ebf \u0111\u1ed9)<\/p><\/td>

    Nhi\u1ec1u l\u00f5i v\u1eadt l\u00fd<\/strong><\/p><\/td><\/tr>

    S\u1ed1 L\u00f5i<\/strong><\/p><\/td>

    M\u1ed9t<\/p><\/td>

    M\u1ed9t<\/p><\/td>

    Nhi\u1ec1u (v\u00ed d\u1ee5: 4, 7, 19)<\/p><\/td><\/tr>

    \u01afu \u0111i\u1ec3m ch\u00ednh<\/strong><\/p><\/td>

    Kho\u1ea3ng c\u00e1ch xa, t\u1ed5n hao th\u1ea5p<\/p><\/td>

    Kho\u1ea3ng c\u00e1ch ng\u1eafn, chi ph\u00ed hi\u1ec7u qu\u1ea3<\/p><\/td>

    M\u1eadt \u0111\u1ed9 kh\u00f4ng gian v\u00e0 dung l\u01b0\u1ee3ng c\u1ef1c cao<\/strong><\/p><\/td><\/tr>

    C\u00f4ng ngh\u1ec7 ch\u1ee7 ch\u1ed1t<\/strong><\/p><\/td>

    \u0110a gh\u00e9p k\u00eanh theo th\u1eddi gian\/v\u00f9ng b\u01b0\u1edbc s\u00f3ng (TDM\/WDM)<\/p><\/td>

    		<\/td>

    \u0110a gh\u00e9p k\u00eanh theo kh\u00f4ng gian (SDM)<\/strong><\/a><\/p><\/td><\/tr>

    Ph\u00f9 h\u1ee3p nh\u1ea5t cho<\/strong><\/p><\/td>

    Vi\u1ec5n th\u00f4ng, \u0111\u01b0\u1eddng d\u00e0i<\/p><\/td>

    Trung t\u00e2m d\u1eef li\u1ec7u, m\u1ea1ng LAN<\/p><\/td>

    K\u1ebft n\u1ed1i trung t\u00e2m d\u1eef li\u1ec7u (DCI), \u0111i\u1ec7n to\u00e1n hi\u1ec7u n\u0103ng cao (HPC), kh\u1eafc ph\u1ee5c t\u00ecnh tr\u1ea1ng c\u1ea1n ki\u1ec7t s\u1ee3i quang<\/strong><\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n

    \ud83d\udcdd \u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a c\u00f4ng ngh\u1ec7 MCF<\/strong><\/h2>\n\n\n\n

    \u1ede \u0111\u00e2u b\u1ea1n s\u1ebd th\u1ea5y MCF t\u1ea1o ra t\u00e1c \u0111\u1ed9ng?<\/p>\n\n\n\n