{"id":1351,"date":"2025-11-23T10:21:56","date_gmt":"2025-11-23T02:21:56","guid":{"rendered":"http:\/\/cmli.es.ncku.edu.tw\/?p=1351"},"modified":"2025-11-23T10:21:57","modified_gmt":"2025-11-23T02:21:57","slug":"2025-11-23-%e5%9c%8b%e9%9a%9b%e5%90%88%e4%bd%9c%e7%a0%94%e7%a9%b6%ef%bc%9a%e6%9c%ac%e5%af%a6%e9%a9%97%e5%9c%98%e9%9a%8a%e5%be%88%e6%a6%ae%e5%b9%b8%e5%b0%87%e8%88%87%e6%97%a5%e6%9c%ac-ntt","status":"publish","type":"post","link":"http:\/\/cmli.es.ncku.edu.tw\/?p=1351","title":{"rendered":"[2025\/11\/23] \u570b\u969b\u5408\u4f5c\u7814\u7a76\uff1a\u672c\u5be6\u9a57\u5718\u968a\u5f88\u69ae\u5e78\u5c07\u8207\u65e5\u672c \u201cNTT\u7269\u6027\u79d1\u5b66\u57fa\u790e\u7814\u7a76\u6240\u201d \u5c55\u958b\u70ba\u671f\u5169\u5e74\u5171\u540c\u5be6\u9a57\u8207\u7406\u8ad6\u7814\u7a76\u5408\u4f5c\uff0c\u7814\u7a76\u8a08\u5283\u984c\u76ee\u70ba\uff1a\u9ad8\u6548\u6aa2\u6e2c\u91cf\u5b50\u7db2\u8def\u4e2d\u7684\u591a\u9ad4\u7cfe\u7e8f [Efficient Detection of Multipartite Entanglement in Quantum Networks]\uff0c\u5c07\u767c\u5c55\u5149\u5b50\u7cfe\u7e8f\u7db2\u8def\u9ad8\u6548\u7387\u8a8d\u8b49\u6280\u8853"},"content":{"rendered":"<p>\u91cf\u5b50\u7db2\u8def\u4e2d\u8207\u7db2\u8def\u898f\u6a21\u7121\u95dc\u7684\u6e2c\u91cf\u5e0c\u671b\u53ef\u9054\u6210\u8a55\u4f30\u7cfb\u7d71\u7684\u56fa\u6709\u884c\u70ba\uff0c\u800c\u975e\u7531\u6e2c\u91cf\u8a2d\u5099\u8aa4\u5dee\u5f15\u8d77\u7684\u3001\u4e14\u8aa4\u5dee\u6703\u96a8\u7cfb\u7d71\u898f\u6a21\u589e\u52a0\u800c\u589e\u52a0\u7684\u4eba\u70ba\u56e0\u7d20\u3002\u7136\u800c\uff0c\u76ee\u524d\u6240\u6709\u7528\u65bc\u8a55\u4f30\u76ee\u6a19\u91cf\u5b50\u7cfe\u7e8f\u7db2\u8def\u7684\u4fdd\u771f\u5ea6\u6e2c\u8a66\uff0c\u90fd\u9700\u8981\u96a8\u7db2\u8def\u7bc0\u9ede\u6578\u91cf\u589e\u52a0\u800c\u589e\u52a0\u7684\u6e2c\u91cf\u8a2d\u5b9a\u3002\u900f\u904e\u8207\u201cNTT\u7269\u6027\u79d1\u5b66\u57fa\u790e\u7814\u7a76\u6240\u201d\u7684\u5171\u540c\u5be6\u9a57\u8207\u7406\u8ad6\u7814\u7a76\uff0c\u65e8\u5728\u4e86\u89e3\u7bc0\u9ede\u900f\u904e\u4efb\u610f\u53ef\u8457\u8272\u3001\u4efb\u610f\u5927\u5c0f\u5716\u7684\u7cfe\u7e8f\u9023\u63a5\u7684\u91cf\u5b50\u7db2\u8def\u4e2d\u6aa2\u6e2c\u611b\u56e0\u65af\u5766-\u6ce2\u591a\u723e\u65af\u57fa-\u7f85\u68ee\u91cf\u5b50\u64cd\u63a7\u6027\uff0c\u53ef\u4ee5\u4f5c\u70ba\u4e00\u7a2e\u4fdd\u771f\u5ea6\u57fa\u6e96\u6e2c\u8a66\u65b9\u6cd5\uff0c\u9810\u671f\u50c5\u9700\u56fa\u5b9a\u6578\u91cf\u7684\u975e\u53ef\u4fe1\u6e2c\u91cf\u8a2d\u5b9a\u3002\u4e26\u9810\u671f\u5728\u5be6\u9a57\u4e2d\uff0c\u6211\u5011\u50c5\u4f7f\u7528\u5169\u7a2e\u6e2c\u91cf\u8a2d\u7f6e\uff0c\u5c31\u5229\u7528\u9019\u7a2e\u57fa\u6e96\u6e2c\u8a66\u65b9\u6cd5\u8b58\u5225\u4e86\u4e09\u7bc0\u9ede\u548c\u56db\u7bc0\u9ede\u504f\u632f\u5149\u5b50\u7cfe\u7e8f\u7db2\u7d61\u7684\u4fdd\u771f\u5ea6\u53ca\u5176\u55ae\u5411\u91cf\u5b50\u8a08\u7b97\u80fd\u529b\uff0c\u63d0\u4f9b\u4e86\u8d85\u8d8a\u53e4\u5178\u6a21\u64ec\u7684\u5be6\u9a57\u8b49\u64da\uff0c\u9032\u800c\u767c\u5c55\u5149\u5b50\u7cfe\u7e8f\u7db2\u8def\u9ad8\u6548\u7387\u8a8d\u8b49\u6280\u8853\u3002<\/p><p>Measurements in quantum networks that are independent of network size aim to assess the inherent behavior of the system, rather than human factors caused by measurement device errors that increase with system size. However, current fidelity tests for evaluating target quantum entangled networks require measurement setups that increase with the number of nodes. Through joint experimental and theoretical research with NTT&#8217;s Institute for Fundamental Research in Physical Properties, Japan, we aim to understand how detecting Einstein-Podolsky-Rosen quantum steering in quantum networks with nodes entangled through arbitrarily colored, arbitrarily sized graphs can serve as a fidelity benchmark, requiring only a fixed number of unreliable measurement setups. In experiments, using only two measurement setups, we aim to identify the fidelity and one-way quantum computation capabilities of three-node and four-node polarized photon entangled networks using this benchmark method, providing experimental evidence beyond classical simulations and paving the way for the development of high-efficiency authentication techniques for photon entangled networks.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u91cf\u5b50\u7db2\u8def\u4e2d\u8207\u7db2\u8def\u898f\u6a21\u7121\u95dc\u7684\u6e2c\u91cf\u5e0c\u671b\u53ef\u9054\u6210\u8a55\u4f30\u7cfb\u7d71\u7684\u56fa\u6709\u884c\u70ba\uff0c\u800c\u975e\u7531\u6e2c\u91cf\u8a2d\u5099\u8aa4\u5dee\u5f15\u8d77\u7684\u3001\u4e14\u8aa4\u5dee\u6703\u96a8\u7cfb\u7d71\u898f\u6a21\u589e\u52a0\u800c<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[40],"tags":[],"class_list":["post-1351","post","type-post","status-publish","format-standard","hentry","category-activities-en"],"_links":{"self":[{"href":"http:\/\/cmli.es.ncku.edu.tw\/index.php?rest_route=\/wp\/v2\/posts\/1351","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/cmli.es.ncku.edu.tw\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/cmli.es.ncku.edu.tw\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/cmli.es.ncku.edu.tw\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/cmli.es.ncku.edu.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1351"}],"version-history":[{"count":1,"href":"http:\/\/cmli.es.ncku.edu.tw\/index.php?rest_route=\/wp\/v2\/posts\/1351\/revisions"}],"predecessor-version":[{"id":1352,"href":"http:\/\/cmli.es.ncku.edu.tw\/index.php?rest_route=\/wp\/v2\/posts\/1351\/revisions\/1352"}],"wp:attachment":[{"href":"http:\/\/cmli.es.ncku.edu.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1351"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/cmli.es.ncku.edu.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1351"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/cmli.es.ncku.edu.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1351"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}