¶àÄ£¹âÏË´îÅ䴹ֱǻÃæ·¢É伤¹âÆ÷£¨VCSEL£©µÄ½â¾ö·½°¸Ôڶ̾àÀë´«ÊäÍøÂçÖÐÒ»Ö±ÊǾßÓоºÕùÁ¦µÄµÍ³É±¾½â¾ö·½°¸¡£
Ä¿Ç°40GBASE-SR4·½°¸Òѹ㷺ӦÓÃÓÚÊý¾ÝÖÐÐÄ£¬²¢ÕýÔÚÖð²½Ïò100GBASE-SR4Éý¼¶¡£µçÆøºÍµç×Ó¹¤³ÌʦлᣨIEEE£©ÔÚ2017Äê¾Í·¢²¼ÁË802.3bs±ê×¼£¬¼´400GBASE-SR16·½°¸£¬¹æ¶¨ÁËOM3/OM4/OM5¹âÏËÔÚ400GbpsϵͳÖнøÐе¥Í¨µÀ25GbpsµÄƽÐд«ÊäÓ¦Óá£ÒÔÉÏÕâЩ·½°¸¶¼ÊÇ»ùÓÚƽÐд«Êä¼¼Êõ¡£
Ëæ×ÅÍøÂçËÙÂʵIJ»¶ÏÉý¼¶£¬Êý¾ÝÖÐÐĵÄƽÐд«Êä¼¼ÊõÐèÒª¸ü¶àµÄ¹âÏËÀ´Ö§³ÖÔö³¤µÄÊý¾ÝÈÝÁ¿£¬¶øµ¥ÏËË«Ïò£¨BiDi£©¼¼ÊõºÍ¶Ì²¨²¨·Ö¸´Óã¨SWDM£©¼¼Êõ¶¼ÊÇ¿ÉÒÔÌá¸ß¹âÏË×ÊÔ´ÀûÓÃÂʵĿÉÑ¡·½°¸¡£
100Gbps BiDi½â¾ö·½°¸ÀûÓõ¥ÏËË«ÏòºÍËĵçƽÂö³å·ù¶Èµ÷ÖÆ£¨PAM4£©¼¼Êõ£¬µ¥Í¨µÀËÙÂÊΪ50Gbps£¬ÔÚÒ»¸ù¹âÏËÖÐͬʱ´«Êä850nmºÍ910nm´°¿ÚµÄÐźţ¬´Ó¶øʵÏÖÒ»¶Ô¹âÏËË«Ïò´«Êä100 GbpsµÄÊýÁ¿ÈÝÁ¿£¬¿ÉÒÔ½ÚÊ¡50%¹âÏËÓÃÁ¿¡£
100Gbps SWDM4½â¾ö·½°¸ÀûÓò¨·Ö¸´Óü¼Êõ£¬¿ÉÒÔÖ§³Ö850nm~950nm·¶Î§µÄ4¸ö²¨³¤Í¨µÀÔÚÒ»¸ù¹âÏËÉÏ´«Ê䣬Ïà½ÏÓÚ100GBASE-SR4·½°¸½ÚÊ¡ÁË75%µÄ¹âÏËÓÃÁ¿£¬¶ÔÓڳɱ¾µÄ½ÚÊ¡ºÍ²¼Ïߵļò»¯Ð§¹û¸üΪÏÔÖø¡£
ʹÓó¤·É¹«Ë¾OM5¶àÄ£¹âÏË£¬·Ö±ð»ùÓÚƽÐд«ÊäµÄ400GOSFP SR8¹âÄ£¿é´«Êä·½°¸£¨850nmºÍ908nm²¨³¤£©ºÍ²¨·Ö¸´ÓõÄ100Gbps SWDM4¹âÄ£¿é£¨850nm~940nm²¨¶Î£©´«Êä·½°¸½øÐÐÁËʵÑ顣ʵÑé½á¹ûÏÔʾ£¬OM5¹âÏË¿ÉÒÔÖ§³ÅÔÚÊý¾ÝÖÐÐÄÍøÂçÖÐ850nm´°¿Ú500Ã×µÄÁ´Â·´«Ê䣬²¢¿ÉÒÔÖ§³Ö908nm´°¿Ú300Ã×µÄÁ´Â·´«Ê䣬ÏêϸʵÑé½á¹û¼ûϱí1£»ÔÚ100G SWDM4´«ÊäϵͳÖУ¬OM5¹âÏËÄÜÖ§³Ö400Ã×ÒÔÉϵÄÁ´Â·´«Ê䣬ÏêϸʵÑé½á¹ûÈçϱí2Ëùʾ¡£ÊµÑé½á¹ûչʾÁËOM5¹âÏËÔÚ100Gbps¡¢400Gbps£¬ÉõÖÁÊǽ«À´Éý¼¶ÖÁ1.6TbpsµÄ¶Ì¾àÀë¸ßËÙ´«ÊäÍøÂçÖеÄÓ¦ÓÃDZÁ¦¡£
| ¹âÏ˳¤¶È(Ã×) | 850nm | 908nm | |||
|---|---|---|---|---|---|
| ÎóÂëÂÊ | ½ÓÊչ⹦ÂÊ(dBm) | ÎóÂëÂÊ | ½ÓÊչ⹦ÂÊ(dBm) | ||
| ±³¿¿±³ | 0 | 0.30 | 2.3E-11 | 2.15 | |
| OM5 | 200 | 5.0E-12 | -0.17 | 4.0E-7 | 2.28 |
| 300 | 2.7E-9 | -0.48 | 3.2E-6 | 2.06 | |
| 400 | 4.6E-7 | -0.73 | 7.0E-4 | 1.87 | |
| 500 | 1.2E-5 | -0.90 | LOSS | ¡ª | |
| ¹âÏ˳¤¶È(Ã×) | ½ÓÊչ⹦ÂÊ(dBm) | ||||
|---|---|---|---|---|---|
| 850nm | 880nm | 910nm | 940nm | ||
| ±³¿¿±³ | -11.2 | -11.0 | -12.2 | -12.8 | |
| OM5 | 200 | -7.7 | -9.0 | -10.6 | -10.4 |
| 300 | -5.7 | -8.4 | -10.6 | -9.0 | |
| 400 | -5.4 | -7.8 | -10.2 | -7.8 | |
±¸×¢£ºÊµÑéͨ¹ýÎóÂëÒÇÀ´²âÊÔ´«ÊäÎóÂëÂÊ£¬Î´Ê¹ÓÃÇ°Ïò¾À´í£¨FEC£©¹¦ÄÜ¡£
³¤·É¹«Ë¾ÓµÓÐÖƱ¸¶àÄ£¹âÏË×îΪ¾«ÃܵĵÈÀë×ÓÌ廯ѧÆøÏà³Á»ý£¨PCVD£©¹¤ÒÕ£¬Äܹ»ÊµÏÖ³¬¾«Ï¸µÄÕÛÉäÂÊÆÊÃæ¿ØÖÆ£¬ÊÇÖƱ¸¸ß¶Ë¶àÄ£¹âÏ˵ÄÀíÏ빤ÒÕ¼¼Êõ¡£Îª½øÒ»²½Ìá¸ß¸ß¶Ë¶àÄ£²úÆ·OM5¹âÏ˵ÄÆ·ÖÊ£¬³¤·É¹«Ë¾²ÉÈ¡ÁËÓÅ»¯²ÄÁÏ×é·ÖÅä±ÈÉè¼Æ¡¢Éý¼¶¹¤ÒÕÖƱ¸Æ½Ì¨µÈ¼¼ÊõÊֶΣ¬¾«ÒæÇ󾫵شòÄ¥OM5¹âÏ˲úÆ·ÖÊÁ¿¡£´´ÐµIJÄÁÏ×é·ÖÅä±ÈÉè¼ÆʹµÃ¹âÏË´ø¿íÐÔÄÜÃ÷ÏÔÌáÉý£¬Îª850nm~950nmµÄ²¨·Ö¸´ÓÃÓ¦Óó¡¾°Ìṩ¿É¿¿µÄ´ø¿íÓàÁ¿±£Ö¤¡£Í¬Ê±£¬³¤·É¹«Ë¾¶ÔOM5¹âÏ˲ÎÊýµÄÄÚ¿ØÖ¸±ê´ó¶¼¸ßÓÚ¹ú¼Ê±ê×¼¡£³¤·É³öÆ·µÄOM5¹âÏËÄܹ»Îª¿Í»§Ìṩ850nm~950nm·¶Î§ÄÚµ¥²¨³¤¡¢¶à²¨³¤¸´ÓõȶàÖÖÓ¦Ó󡾰ϵĿɿ¿Êý¾ÝÁ¬½Ó¡£
PDFÏÂÔØ
Copyright ? 2026 ³¤·É¹âÏ˹âÀ¹ɷÝÓÐÏÞ¹«Ë¾°æȨËùÓжõICP±¸05003375ºÅ-1
µØÖ·£ººþ±±Ê¡Î人Êж«ºþ¸ßм¼Êõ¿ª·¢Çø¹â¹È´óµÀ9ºÅ
¶õ¹«Íø°²±¸ 42018502002645ºÅ
