{"id":182867,"date":"2024-02-16T23:25:25","date_gmt":"2024-02-17T05:25:25","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2024\/02\/diamond-quantum-memory-with-germanium-vacancy-exceeds-coherence-time-of-20-ms"},"modified":"2024-02-16T23:25:25","modified_gmt":"2024-02-17T05:25:25","slug":"diamond-quantum-memory-with-germanium-vacancy-exceeds-coherence-time-of-20-ms","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2024\/02\/diamond-quantum-memory-with-germanium-vacancy-exceeds-coherence-time-of-20-ms","title":{"rendered":"Diamond quantum memory with Germanium vacancy exceeds coherence time of 20 ms"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/diamond-quantum-memory-with-germanium-vacancy-exceeds-coherence-time-of-20-ms2.jpg\"><\/a><\/p>\n<p>The color centers of diamond are the focus of an increasing number of research studies, due to their potential for developing quantum technologies. Some works have particularly explored the use of negatively-charged group-IV diamond defects, which exhibit an efficient spin-photon interface, as the nodes of quantum networks.<\/p>\n<p>Researchers at Ulm University in Germany recently leveraged a Germanium vacancy (GeV) center in diamond to realize a <a href=\"https:\/\/phys.org\/tags\/quantum+memory\/\" rel=\"tag\" class=\"\">quantum memory<\/a>. The resulting quantum memory, presented in a <i>Physical Review Letters<\/i> <a href=\"https:\/\/link.aps.org\/doi\/10.1103\/PhysRevLett.132.026901\">paper<\/a>, was found to exhibit a promising coherence time of more than 20 ms.<\/p>\n<p>\u201cOur research group\u2019s primary focus is the exploration of diamond color centers for quantum applications,\u201d Katharina Senkalla, co-author of the paper, told Phys.org. \u201cThe most popular defect of diamond so far has been the nitrogen-vacancy center, but, recently, other color centers have also become a focus of research. These consist of an element from the IV column of the periodic table\u2014Si, Ge, Sn or Pb, and a lattice vacancy (i.e., missing next-neighbor carbon atom).\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The color centers of diamond are the focus of an increasing number of research studies, due to their potential for developing quantum technologies. Some works have particularly explored the use of negatively-charged group-IV diamond defects, which exhibit an efficient spin-photon interface, as the nodes of quantum networks. Researchers at Ulm University in Germany recently leveraged [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19,48,1617],"tags":[],"class_list":["post-182867","post","type-post","status-publish","format-standard","hentry","category-chemistry","category-particle-physics","category-quantum-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/182867","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\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=182867"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/182867\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=182867"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=182867"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=182867"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}