{"id":906164,"date":"2026-05-16T08:12:02","date_gmt":"2026-05-16T13:12:02","guid":{"rendered":"https:\/\/newsycanuse.com\/index.php\/2026\/05\/16\/china-unveils-jiuzhang-4-0-the-photonic-quantum-computer-defying-the-laws-of-speed\/"},"modified":"2026-05-16T08:12:02","modified_gmt":"2026-05-16T13:12:02","slug":"china-unveils-jiuzhang-4-0-the-photonic-quantum-computer-defying-the-laws-of-speed","status":"publish","type":"post","link":"https:\/\/newsycanuse.com\/index.php\/2026\/05\/16\/china-unveils-jiuzhang-4-0-the-photonic-quantum-computer-defying-the-laws-of-speed\/","title":{"rendered":"China Unveils Jiuzhang 4.0: The Photonic Quantum Computer Defying the Laws of Speed"},"content":{"rendered":"<p><strong>The new iteration of China\u2019s Jiuzhang photonic quantum computer prototypes solved the Boson sampling problem much more quickly than the world\u2019s most powerful computer. The computer represents a major leap and opens the doors for further advancement in photonic quantum computing.<\/strong><\/p>\n<div>\n<div>\n<h2><span>Key Takeaways<\/span><\/h2>\n<ul>\n<li><span>USTC launched Jiuzhang 4.0, manipulating 3,050 photons to reach 92% source efficiency in quantum computing.<\/span><\/li>\n<li><span>Lu says Jiuzhang 4.0 processes data in 25 microseconds, disrupting the industry\u2019s classic supercomputers.<\/span><\/li>\n<li><span>Bitcoin developers must address this rising quantum threat, weighing fixes like BIP-360 to secure data.<\/span><\/li>\n<\/ul>\n<\/div>\n<h2>China\u2019s Jiuzhang 4.0 Photonic Quantum Computer Breaks Records<\/h2>\n<p>China has cemented its leadership in the quantum computing world with Jiuzhang 4.0, the latest iteration of the nation\u2019s take on quantum computing that leverages photons to make advanced calculations.<\/p>\n<p>According to Nature, Jiuzhang 4.0 achieved a <a href=\"https:\/\/www.chinadailyasia.com\/hk\/article\/633480\" target=\"_blank\" rel=\"noopener noreferrer\">breakthrough<\/a> in the sector, increasing the number of photons manipulated to 3,050, up from the 255 mark achieved with Jiuzhang 3.0 in 2023.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/static.news.bitcoin.com\/wp-content\/uploads\/2026\/05\/chinaquantum_nwmk-768x1376.png\" alt width=\"1280\" height=\"2293\"  ><\/p>\n<p>While the development of photonic quantum computers has been hampered by photon loss, the University of Science and Technology of China (USTC) developed a special optical light source and an interferometer that allowed the system to increase its source efficiency to 92% and its overall efficiency to 51%.<\/p>\n<p>Lu Chaoyang, a professor at the USTC, stated that<strong> \u201cthe most complex data sample generated by \u2018Jiuzhang 4.0\u2019 takes only 25 microseconds to produce \u2013 shorter than the blink of an eye.\u201d <\/strong>This shows a remarkable improvement compared to the most powerful computer in the world, which would take <strong>\u201cmore than 10 to the 42nd years to calculate the same result,\u201d<\/strong> said Lu.<\/p>\n<p>Lu highlighted that this manufacturing breakthrough opens the possibility to further advance photonic quantum computing development, enabling the construction of <strong>\u201ctrillion-qubit-mode three-dimensional cluster states.\u201d<\/strong><\/p>\n<p>While quantum computing is rapidly advancing, <a href=\"https:\/\/www.binance.com\/en\/price\/bitcoin\" target=\"_blank\" rel=\"noopener noreferrer\">Bitcoin<\/a> developers have yet to determine how they will prepare and face this looming threat. While several proposals have arisen, including BIP-360, the community is divided on the timing and relevance of the fix, with many questioning the quantum threat as purely theoretical.<\/p>\n<p>Recently, the <a href=\"https:\/\/www.binance.com\/en\/price\/bitcoin\" target=\"_blank\" rel=\"noopener noreferrer\">bitcoin<\/a> community also faced a <a href=\"http:\/\/news.bitcoin.com\/ibm-quantum-hardware-cracks-15-bit-ecc-key-but-bitcoin-devs-say-random-bits-match-the-result\/\">wake-up call<\/a>, as IBM hardware cracked a 15-bit ECC key. Nonetheless, some developers equated this to a brute force exercise. Former <a href=\"https:\/\/www.binance.com\/en\/price\/bitcoin\" target=\"_blank\" rel=\"noopener noreferrer\">Bitcoin<\/a> Core maintainer Jonas Schnelli analyzed the event and explained that quantum computing did not add anything more innovative over classical randomness.<\/p>\n<\/p><\/div>\n<p><a href=\"https:\/\/news.bitcoin.com\/china-unveils-jiuzhang-4-0-the-photonic-quantum-computer-defying-the-laws-of-speed\/\" class=\"button purchase\" rel=\"nofollow noopener\" target=\"_blank\">Read More<\/a><br \/>\n Sergio Goschenko<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The new iteration of China\u2019s Jiuzhang photonic quantum computer prototypes solved the Boson sampling problem much more quickly than the world\u2019s most powerful computer. The computer represents a major leap and opens the doors for further advancement in photonic quantum computing. Key Takeaways USTC launched Jiuzhang 4.0, manipulating 3,050 photons to reach 92% source efficiency<\/p>\n","protected":false},"author":1,"featured_media":906165,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1827,1009],"tags":[],"class_list":{"0":"post-906164","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-china","8":"category-unveils"},"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/posts\/906164","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/comments?post=906164"}],"version-history":[{"count":0,"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/posts\/906164\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/media\/906165"}],"wp:attachment":[{"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/media?parent=906164"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/categories?post=906164"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/tags?post=906164"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}