{"id":180231,"date":"2024-01-10T19:47:03","date_gmt":"2024-01-11T01:47:03","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2024\/01\/single-photon-source-marks-quantum-cryptography-gain"},"modified":"2024-01-10T19:47:03","modified_gmt":"2024-01-11T01:47:03","slug":"single-photon-source-marks-quantum-cryptography-gain","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2024\/01\/single-photon-source-marks-quantum-cryptography-gain","title":{"rendered":"Single-Photon Source Marks Quantum Cryptography Gain"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/single-photon-source-marks-quantum-cryptography-gain.jpg\"><\/a><\/p>\n<p>Producing photons one at a time on demand at room temperature is a key requirement for the rollout of a quantum internet\u2014and the practical quantum computers that would undergird that network. The photons can be used as quantum bits (<a data-linked-post=\"2656251303\" href=\"https:\/\/spectrum.ieee.org\/building-better-qubits\" target=\"_blank\" class=\"\">qubits<\/a>), the quantum equivalent of classical computing\u2019s 0s and 1s. Labs around the world have <a href=\"https:\/\/en.wikipedia.org\/wiki\/Single-photon_source#:~:text=Nowadays%20the%20most%20common%20sources%20of%20single%20photons, in%20the%20low%20loss%20window%20of%20fiber-optic%20communication.\" rel=\"noopener noreferrer\" target=\"_blank\" class=\"\">devised various ways<\/a> to <a href=\"https:\/\/pubs.aip.org\/aip\/apr\/article\/7\/2\/021309\/997650\" target=\"_blank\" class=\"\">generate single photons<\/a>, but they can involve complex engineering techniques such as doped carbon nanotubes or costly cryogenically-cooled conditions. On the other hand, less complicated techniques such as using traditional light sources do not provide the necessary level of control over single-photon emissions required for quantum networks and computers.<\/p>\n<p>Now, researchers from <a href=\"https:\/\/www.tus.ac.jp\/en\/\" rel=\"noopener noreferrer\" target=\"_blank\" class=\"\">Tokyo University of Science (TUS)<\/a> and the <a href=\"https:\/\/www.oist.jp\/\" rel=\"noopener noreferrer\" target=\"_blank\" class=\"\">Okinawa Institute of Science and Technology<\/a> have collaborated to develop a prototype room temperature single-photon light source using standard materials and methods. The team <a href=\"https:\/\/journals.aps.org\/prapplied\/abstract\/10.1103\/PhysRevApplied.20.044038\" rel=\"noopener noreferrer\" target=\"_blank\" class=\"\">described the fabrication of the prototype and its results<\/a> in a recent issue of the journal <em>Physical Review Applied<\/em>.<\/p>\n<p>\u201cOur single-photon light source \u2026 increases the potential to create quantum networks\u2014a quantum internet\u2014that are cost-effective and accessible.\u201d \u2014Kaoru Sanaka, Tokyo University of Science.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Producing photons one at a time on demand at room temperature is a key requirement for the rollout of a quantum internet\u2014and the practical quantum computers that would undergird that network. The photons can be used as quantum bits (qubits), the quantum equivalent of classical computing\u2019s 0s and 1s. Labs around the world have devised [\u2026]<\/p>\n","protected":false},"author":661,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1523,1625,38,418,4,1617],"tags":[],"class_list":["post-180231","post","type-post","status-publish","format-standard","hentry","category-computing","category-encryption","category-engineering","category-internet","category-nanotechnology","category-quantum-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/180231","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/661"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=180231"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/180231\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=180231"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=180231"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=180231"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}