{"id":5998,"date":"2025-04-15T11:12:00","date_gmt":"2025-04-15T11:12:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/uncategorized\/overview-of-optical-transceivers\/"},"modified":"2026-06-22T09:41:24","modified_gmt":"2026-06-22T09:41:24","slug":"overview-of-optical-transceivers","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/products\/overview-of-optical-transceivers","title":{"rendered":"T\u1ed5ng quan to\u00e0n di\u1ec7n v\u1ec1 B\u1ed9 chuy\u1ec3n \u0111\u1ed5i quang"},"content":{"rendered":"
\"A<\/figure>\n\n\n\n

M\u00f4-\u0111un quang l\u00e0 g\u00ec?<\/strong><\/h2>\n\n\n\n

M\u00f4-\u0111un quang (c\u00f2n g\u1ecdi l\u00e0 b\u1ed9 thu ph\u00e1t quang) l\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n then ch\u1ed1t trong c\u00e1c h\u1ec7 th\u1ed1ng truy\u1ec1n th\u00f4ng quang s\u1ee3i, c\u00f3 ch\u1ee9c n\u0103ng chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u0111i\u1ec7n sang t\u00edn hi\u1ec7u quang v\u00e0 ng\u01b0\u1ee3c l\u1ea1i. C\u00e1c thi\u1ebft b\u1ecb nh\u1ecf g\u1ecdn n\u00e0y bao g\u1ed3m c\u00e1c th\u00e0nh ph\u1ea7n quang-\u0111i\u1ec7n t\u1eed, m\u1ea1ch ch\u1ee9c n\u0103ng v\u00e0 giao di\u1ec7n quang.<\/h3>\n\n\n\n

L\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t th\u00fac \u0111\u1ea9y vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao, m\u00f4-\u0111un quang mang l\u1ea1i:\u2714 K\u1ebft n\u1ed1i t\u1ed1c \u0111\u1ed9 cao<\/strong> (t\u1eeb 1G \u0111\u1ebfn 800G)\u2714 Truy\u1ec1n d\u1eabn kho\u1ea3ng c\u00e1ch xa<\/strong> v\u1edbi t\u1ed5n hao t\u00edn hi\u1ec7u t\u1ed1i thi\u1ec3u\u2714 Kh\u1ea3 n\u0103ng ch\u1ed1ng nhi\u1ec5u m\u1ea1nh<\/strong> (kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi EMI\/RFI)\u2714 K\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn & ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng th\u1ea5p<\/strong><\/p>\n\n\n\n

C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t h\u00e0ng \u0111\u1ea7u nh\u01b0 B\u1ed9 thu ph\u00e1t quang LINK-PP<\/strong><\/a> cung c\u1ea5p c\u00e1c m\u00f4-\u0111un \u0111\u00e1ng tin c\u1eady, hi\u1ec7u su\u1ea5t cao cho trung t\u00e2m d\u1eef li\u1ec7u, m\u1ea1ng 5G v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng vi\u1ec5n th\u00f4ng<\/strong>.<\/p>\n\n\n\n

Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00f4-\u0111un quang<\/strong><\/h2>\n\n\n\n

\ud83d\udd39 Qu\u00e1 tr\u00ecnh truy\u1ec1n (Tx)<\/strong><\/h3>\n\n\n\n
    \n

  1. T\u00edn hi\u1ec7u \u0111i\u1ec7n t\u1eeb c\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch\/b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1edfi m\u1ed9t IC \u0111i\u1ec1u khi\u1ec3n laser<\/strong><\/p><\/li>

  2. A \u0111i-\u1ed1t laser<\/strong> (VCSEL\/DFB\/EML) chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u th\u00e0nh xung \u00e1nh s\u00e1ng<\/p><\/li>

  3. \u00c1nh s\u00e1ng \u0111\u01b0\u1ee3c gh\u00e9p v\u00e0o c\u00e1p quang<\/strong> th\u00f4ng qua c\u00e1c th\u1ea5u k\u00ednh ch\u00ednh x\u00e1c<\/p><\/li>\n<\/ol>\n\n\n\n

    \ud83d\udd39 Qu\u00e1 tr\u00ecnh nh\u1eadn (Rx)<\/strong><\/h3>\n\n\n\n
      \n

    1. \u00c1nh s\u00e1ng \u0111i v\u00e0o \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n b\u1edfi m\u1ed9t \u0111i-\u00f4t quang (PIN\/APD)<\/strong><\/p><\/li>

    2. A b\u1ed9 khu\u1ebfch \u0111\u1ea1i chuy\u1ec3n tr\u1edf kh\u00e1ng (TIA)<\/strong> chuy\u1ec3n \u0111\u1ed5i \u00e1nh s\u00e1ng th\u00e0nh t\u00edn hi\u1ec7u \u0111i\u1ec7n<\/p><\/li>

    3. A b\u1ed9 khu\u1ebfch \u0111\u1ea1i gi\u1edbi h\u1ea1n<\/strong> kh\u00f4i ph\u1ee5c t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a t\u00edn hi\u1ec7u<\/p><\/li>

    4. T\u00edn hi\u1ec7u \u0111i\u1ec7n s\u1ea1ch \u0111\u01b0\u1ee3c g\u1eedi t\u1edbi c\u00e1c thi\u1ebft b\u1ecb ch\u1ee7<\/p><\/li>\n<\/ol>\n\n\n\n

      \ud83d\udccc
      LINK-PP\u2019s<\/strong><\/a> c\u00f4ng ngh\u1ec7 DSP ti\u00ean ti\u1ebfn<\/strong> n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u trong 400G\/800G <\/strong><\/a>m\u00f4-\u0111un<\/strong> nh\u1eb1m \u0111\u1ea1t \u0111\u1ed9 tr\u1ec5 c\u1ef1c th\u1ea5p.<\/p>\n\n\n\n

      C\u00e1c lo\u1ea1i m\u00f4-\u0111un quang<\/strong><\/h2>\n\n\n\n

      Theo t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u<\/strong><\/h3>\n\n\n\n
      \n\n<\/colgroup>

      Lo\u1ea1i<\/strong><\/p><\/th>

      T\u1ed1c \u0111\u1ed9<\/strong><\/p><\/th>

      \u1ee8ng d\u1ee5ng<\/strong><\/p><\/th><\/tr>

      SFP\/SFP+<\/p><\/td>

      1G\u201325G<\/p><\/td>

      M\u1ea1ng doanh nghi\u1ec7p<\/p><\/td><\/tr>

      QSFP28
      <\/p><\/td>

      100G
      <\/p><\/td>

      Li\u00ean k\u1ebft n\u1ed9i b\u1ed9 trung t\u00e2m d\u1eef li\u1ec7u<\/p><\/td><\/tr>

      OSFP\/QSFP-DD<\/p><\/td>

      400G\u2013800G<\/p><\/td>

      C\u00f4ng vi\u1ec7c t\u1ea3i AI\/ML<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n

      Theo d\u1ea1ng h\u00ecnh h\u1ecdc (form factor)<\/strong><\/h3>\n\n\n\n