![\"\"](\"https:\/\/vinacap.vn\/wp-content\/uploads\/2023\/06\/hinh_2_da_co_cach_giup_internet_nhanh_gap_20_lan-300x158.jpg\")
<\/p>\nTr\u01b0\u1edbc \u0111\u00e2y, nhi\u1ec1u ng\u01b0\u1eddi \u0111\u00e3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1eddng truy\u1ec1n internet s\u1ebd \u0111\u1ebfn l\u00fac g\u1eb7p kh\u1ee7ng ho\u1ea3ng do c\u00e1p quang s\u1eafp ch\u1ea1m ng\u01b0\u1ee1ng gi\u1edbi h\u1ea1n. Tuy nhi\u00ean, v\u1eeba qua trang Science \u0111\u01b0a tin c\u00e1c k\u0129 s\u01b0 \u0111\u00e3 t\u00ecm ra gi\u1ea3i ph\u00e1p ph\u00e1 v\u1ee1 gi\u1edbi h\u1ea1n n\u00e0y v\u00e0 m\u1edf ra m\u1ed9t c\u00e1nh c\u1eeda m\u1edbi cho k\u1ebft n\u1ed1i m\u1ea1ng trong t\u01b0\u01a1ng lai, h\u1ee9a h\u1eb9n s\u1ebd ch\u1ea5t l\u01b0\u1ee3ng h\u01a1n v\u00e0 gi\u00e1 th\u00e0nh r\u1ebb h\u01a1n.<\/p>\n
Nhu c\u1ea7u s\u1eed d\u1ee5ng internet tr\u00ean th\u1ebf gi\u1edbi ng\u00e0y c\u00e0ng ph\u00e1t tri\u1ec3n m\u1ed9t c\u00e1ch ch\u00f3ng m\u1eb7t, c\u00e1c k\u0129 s\u01b0 m\u1ea1ng bu\u1ed9c ph\u1ea3i n\u00e2ng c\u1ea5p l\u01b0\u1ee3ng t\u00edn hi\u1ec7u qua c\u00e1c c\u00e1p quang nh\u1eb1m \u0111\u1ea3m b\u1ea3o cho vi\u1ec7c nh\u1eadn v\u00e0 g\u1eedi d\u1eef li\u1ec7u c\u1ee7a ng\u01b0\u1eddi d\u00f9ng lu\u00f4n \u0111\u01b0\u1ee3c tr\u00f4i ch\u1ea3y v\u00e0 nhanh ch\u00f3ng. Tuy nhi\u00ean, \u0111\u01b0\u1eddng truy\u1ec1n c\u00e1p quang c\u0169ng c\u00f3 gi\u1edbi h\u1ea1n l\u00ed thuy\u1ebft nh\u1ea5t \u0111\u1ecbnh.<\/p>\n
N\u1ebfu ch\u00fang ta t\u0103ng l\u01b0\u1ee3ng ph\u00e1t t\u00edn hi\u1ec7u qu\u00e1 m\u1ee9c, tia laser – v\u1ed1n d\u00f9ng \u0111\u1ec3 “ch\u1edf” c\u00e1c g\u00f3i d\u1eef li\u1ec7u – s\u1ebd b\u1ecb ch\u00e8n v\u00e0o nhau, khi \u0111\u00f3 t\u00edn hi\u1ec7u s\u1ebd b\u1ecb gi\u1ea3m hi\u1ec7u n\u0103ng v\u00e0 th\u00f4ng tin d\u1eef li\u1ec7u c\u0169ng s\u1ebd b\u1ecb th\u1ea5t tho\u00e1t. \u0110\u00e2y ch\u00ednh l\u00e0 l\u00ed do m\u00e0 nhi\u1ec1u chuy\u00ean gia \u0111\u00e3 d\u1ef1 \u0111o\u00e1n r\u1eb1ng ng\u00e0y t\u1eadn th\u1ebf c\u1ee7a internet s\u1ebd \u0111\u1ebfn trong t\u01b0\u01a1ng lai kh\u00f4ng xa.<\/p>\n
V\u1eeba qua, c\u00e1c k\u0129 s\u01b0 thu\u1ed9c \u0111\u1ea1i h\u1ecdc California \u0111\u00e3 t\u00ecm ra \u0111\u01b0\u1ee3c c\u00e1ch t\u0103ng s\u1ee9c m\u1ea1nh c\u1ee7a t\u00edn hi\u1ec7u c\u00e1p quang l\u00ean g\u1ea7n 20 l\u1ea7n, th\u00f4ng tin \u0111\u01b0\u1ee3c v\u1eadn chuy\u1ec3n xa h\u01a1n v\u1edbi qu\u00e3ng \u0111\u01b0\u1eddng k\u1ec9 l\u1ee5c g\u1ea7n 12.000 km v\u00e0 kh\u00f4ng c\u1ea7n s\u1eed d\u1ee5ng \u0111\u1ebfn nhi\u1ec1u b\u1ed9 ph\u00e1t \u0111\u1eaft ti\u1ec1n.<\/p>\n
Trong c\u00e1p quang, th\u00f4ng tin \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 m\u1ea1ng chuy\u1ec3n \u0111i theo qu\u00e3ng b\u0103ng t\u1ea7n kh\u00e1c nhau. N\u1ebfu ch\u00fang ta \u0111\u01b0a th\u00eam nhi\u1ec1u t\u00edn hi\u1ec7u laser v\u00e0o, kh\u1ea3 n\u0103ng “\u0111\u1ee5ng ch\u1ea1m” t\u00edn hi\u1ec7u gi\u1eefa c\u00e1c nh\u00e0 m\u1ea1ng s\u1ebd c\u00e0ng t\u0103ng cao. H\u01a1n n\u1eefa, t\u00edn hi\u1ec7u s\u1ebd b\u1ecb bi\u1ebfn d\u1ea1ng khi\u1ebfn vi\u1ec7c gi\u1ea3i m\u00e3 l\u00e0 b\u1ea5t kh\u1ea3 thi \u1edf \u0111i\u1ec3m nh\u1eadn.<\/p>\n
<\/p>\n
Theo Nikola Alic, m\u1ed9t trong nh\u1eefng nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1i \u0111\u1ea1i h\u1ecdc n\u00e0y cho bi\u1ebft: “H\u1ec7 th\u1ed1ng c\u00e1p quang ng\u00e0y nay m\u00e0 ch\u00fang ta \u0111ang s\u1eed d\u1ee5ng gi\u1ed1ng nh\u01b0 m\u1ed9t b\u00e3i c\u00e1t l\u00fan, ch\u00fang ta c\u00e0ng v\u00f9ng v\u1eaby th\u00ec c\u00e0ng b\u1ecb l\u00fan nhanh h\u01a1n. V\u1edbi c\u00e1p quang c\u0169ng v\u1eady, ch\u00fang ta c\u00e0ng t\u0103ng c\u00f4ng su\u1ea5t t\u00edn hi\u1ec7u l\u00ean th\u00ec th\u00f4ng tin s\u1ebd b\u1ecb bi\u1ebfn d\u1ea1ng nhi\u1ec1u h\u01a1n v\u00e0 \u0111\u01b0\u1eddng truy\u1ec1n s\u1ebd kh\u00f4ng \u1ed5n \u0111\u1ecbnh. C\u00e1ch ti\u1ebfp c\u1eadn m\u1edbi c\u1ee7a ch\u00fang t\u00f4i s\u1ebd lo\u1ea1i b\u1ecf gi\u1edbi h\u1ea1n n\u00e0y v\u00e0 s\u1ebd n\u00e2ng qu\u00e3ng \u0111\u01b0\u1eddng \u0111i c\u1ee7a t\u00edn hi\u1ec7u trong c\u00e1p quang m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ebfn thi\u1ebft b\u1ecb chuy\u1ec3n ti\u1ebfp”.<\/p>\n
Hi\u1ec7n nh\u00f3m n\u00e0y v\u1eabn c\u00f2n \u0111ang nghi\u00ean c\u1ee9u v\u00e0 c\u1ea7n nhi\u1ec1u th\u1ee9 ph\u1ea3i ho\u00e0n th\u00e0nh tr\u01b0\u1edbc khi \u0111\u01b0a n\u00f3 ra \u00e1p d\u1ee5ng v\u00e0o th\u1ef1c t\u1ebf, nh\u01b0ng v\u1edbi \u00fd t\u01b0\u1edfng n\u00e0y h\u1ecd \u0111\u00e3 \u0111em \u0111\u1ebfn m\u1ed9t b\u01b0\u1edbc ti\u1ebfn cao h\u01a1n cho t\u01b0\u01a1ng lai \u0111\u01b0\u1eddng truy\u1ec1n c\u00e1p quang. M\u1ed9t l\u1ea7n n\u1eefa, h\u1ecd \u0111\u00e3 cho th\u1ebf gi\u1edbi th\u1ea5y \u0111\u01b0\u1ee3c kh\u1ea3 n\u0103ng s\u00e1ng t\u1ea1o l\u00e0 kh\u00f4ng bao gi\u1edd c\u00f3 gi\u1edbi h\u1ea1n.<\/p>\n
Theo Genk.<\/p>","protected":false},"featured_media":5336,"parent":0,"menu_order":0,"template":"","tags":[],"category-news":[102],"class_list":["post-5334","tin-tuc","type-tin-tuc","status-publish","has-post-thumbnail","hentry","category-news-tin-cong-nghe"],"acf":[],"_links":{"self":[{"href":"https:\/\/vinacap.vn\/en\/wp-json\/wp\/v2\/tin-tuc\/5334","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vinacap.vn\/en\/wp-json\/wp\/v2\/tin-tuc"}],"about":[{"href":"https:\/\/vinacap.vn\/en\/wp-json\/wp\/v2\/types\/tin-tuc"}],"version-history":[{"count":1,"href":"https:\/\/vinacap.vn\/en\/wp-json\/wp\/v2\/tin-tuc\/5334\/revisions"}],"predecessor-version":[{"id":8114,"href":"https:\/\/vinacap.vn\/en\/wp-json\/wp\/v2\/tin-tuc\/5334\/revisions\/8114"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vinacap.vn\/en\/wp-json\/wp\/v2\/media\/5336"}],"wp:attachment":[{"href":"https:\/\/vinacap.vn\/en\/wp-json\/wp\/v2\/media?parent=5334"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vinacap.vn\/en\/wp-json\/wp\/v2\/tags?post=5334"},{"taxonomy":"category-news","embeddable":true,"href":"https:\/\/vinacap.vn\/en\/wp-json\/wp\/v2\/category-news?post=5334"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}