{"id":2047,"date":"2026-11-02T14:00:00","date_gmt":"2026-11-02T05:00:00","guid":{"rendered":"https:\/\/quantumsea.net\/?p=2047"},"modified":"2026-10-31T22:31:17","modified_gmt":"2026-10-31T13:31:17","slug":"qs-ibm-idler-readout-20261031","status":"publish","type":"post","link":"https:\/\/quantumsea.net\/?p=2047","title":{"rendered":"IBM\u3001\u91cf\u5b50\u30d3\u30c3\u30c8\u306e\u8aad\u307f\u51fa\u3057\u306b\u30a2\u30a4\u30c9\u30e9\u30fc\u3082\u4f7f\u3046\u2014\u2014\u4f4d\u76f8\u3092\u63c3\u3048\u3066\u8aa4\u5224\u5b9a\u3092\u6e1b\u3089\u3059"},"content":{"rendered":"<p>\u91cf\u5b50\u30d3\u30c3\u30c8\u306e\u8aad\u307f\u51fa\u3057\u3067\u306f\u3001\u5f31\u3044\u30de\u30a4\u30af\u30ed\u6ce2\u306b\u8f09\u3063\u305f\u60c5\u5831\u3092\u5897\u5e45\u3057\u30010\u30681\u306b\u76f8\u5f53\u3059\u308b\u72b6\u614b\u3092\u898b\u5206\u3051\u307e\u3059\u3002IBM Quantum\u306e\u7814\u7a76\u30c1\u30fc\u30e0\u306f\u3001\u901a\u5e38\u306e\u4fe1\u53f7\u306b\u52a0\u3048\u3066\u3001\u5897\u5e45\u5668\u304c\u5225\u306e\u5468\u6ce2\u6570\u3078\u51fa\u3059\u300c\u30a2\u30a4\u30c9\u30e9\u30fc\u300d\u3082\u6e2c\u5b9a\u3057\u307e\u3057\u305f\u3002\u4e8c\u3064\u306e\u6e2c\u5b9a\u8a18\u9332\u306e\u4f4d\u76f8\u3092\u63c3\u3048\u3066\u7d44\u307f\u5408\u308f\u305b\u308b\u3068\u3001\u5f8c\u6bb5\u306e\u96d1\u97f3\u304c\u3042\u308b\u74b0\u5883\u3067\u72b6\u614b\u3092\u8b58\u5225\u3057\u3084\u3059\u304f\u306a\u308b\u3053\u3068\u3092\u3001\u8d85\u4f1d\u5c0e\u91cf\u5b50\u30d3\u30c3\u30c8\u3067\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u8ad6\u6587\u306f2026\u5e7410\u670830\u65e5\u3001EPJ Quantum Technology\u3067\u63a1\u629e\u5f8c\u306e\u5148\u884c\u516c\u958b\u7248\u3068\u3057\u3066\u516c\u958b\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<section class=\"influvetor-quick-summary\" 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dB\u3001JM\u5165\u529b\u306b\u63db\u7b97\u3057\u305f\u5e73\u5747\u5149\u5b50\u6570\u304c90\u306e\u6761\u4ef6\u3067\u3001\u4fe1\u53f7\u5358\u72ec\u306e\u5272\u308a\u5f53\u3066\u5fe0\u5b9f\u5ea6\u306f0.92\u3001\u30a2\u30a4\u30c9\u30e9\u30fc\u5358\u72ec\u3067\u306f0.93\u3067\u3057\u305f\u3002\u9069\u5207\u306a\u4f4d\u76f8\u3067\u5408\u6210\u3059\u308b\u30680.97\u3068\u306a\u308a\u3001\u9006\u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u306f0.60\u307e\u3067\u4e0b\u304c\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure><a href=\"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/10\/qs-ibm-idler-readout-20261031-structure-1bb00fd0258a.png\"><img decoding=\"async\" src=\"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/10\/qs-ibm-idler-readout-20261031-structure-1bb00fd0258a.png\" alt=\"\u5229\u5f974 dB\u3067\u306e\u72b6\u614b\u5224\u5225\u306e\u30d2\u30b9\u30c8\u30b0\u30e9\u30e0\u3002\u4fe1\u53f7a\u306f0.92\u3001\u30a2\u30a4\u30c9\u30e9\u30fcb\u306f0.93\u3001\u9069\u5207\u306a\u4f4d\u76f8\u3067\u306e\u5408\u6210c\u306f0.97\u3001\u9006\u306e\u5408\u6210d\u306f0.60\u306e\u5272\u308a\u5f53\u3066\u5fe0\u5b9f\u5ea6\u3002\" style=\"max-width:100%;height:auto\"><\/a><figcaption>\u5229\u5f974 dB\u3067\u306e\u8aad\u307f\u51fa\u3057\u6bd4\u8f03\u3002a\u30fbb\u306f\u5404\u51fa\u529b\u306e\u5358\u72ec\u6e2c\u5b9a\u3001c\u30fbd\u306f\u4e8c\u3064\u306e\u51fa\u529b\u3092\u7570\u306a\u308b\u76f8\u5bfe\u4f4d\u76f8\u3067\u5408\u6210\u3057\u305f\u7d50\u679c\u3002\u8272\u306e\u7570\u306a\u308b\u5206\u5e03\u304c\u57fa\u5e95\u72b6\u614b\u3068\u52b1\u8d77\u72b6\u614b\u3092\u8868\u3057\u3001\u91cd\u306a\u308a\u304c\u5c0f\u3055\u3044\u307b\u3069\u533a\u5225\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002Abdo\u307b\u304b\u3001EPJ Quantum Technology\uff082026\uff09\u3001Fig. 3\u306e4 dB\u90e8\u5206\u3092\u629c\u7c8b\u3002<a href=\"https:\/\/doi.org\/10.1140\/epjqt\/s40507-026-00591-y\">\u539f\u8ad6\u6587<\/a>\uff0f<a href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\">CC BY 4.0<\/a>\u3002\u5148\u884c\u516c\u958b\u7248\u304b\u3089\u306e\u5207\u308a\u51fa\u3057\u3067\u3001\u8272\u3084\u30c7\u30fc\u30bf\u306f\u5909\u66f4\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u753b\u50cf\u3092\u958b\u304f\u3068\u62e1\u5927\u3067\u304d\u307e\u3059\u3002<\/figcaption><\/figure>\n<p>\u5272\u308a\u5f53\u3066\u5fe0\u5b9f\u5ea6\u306f\u3001\u6e96\u5099\u3057\u305f\u4e8c\u3064\u306e\u72b6\u614b\u3092\u6e2c\u5b9a\u5024\u304b\u3089\u3069\u308c\u3060\u3051\u6b63\u3057\u304f\u5206\u985e\u3067\u304d\u308b\u304b\u3092\u8868\u3059\u6307\u6a19\u3067\u3059\u3002\u3053\u306e\u4f8b\u306e\u6539\u5584\u306f5\u30d1\u30fc\u30bb\u30f3\u30c8\u30dd\u30a4\u30f3\u30c8\u3067\u3042\u308a\u3001\u3069\u306e\u91cf\u5b50\u30d7\u30ed\u30bb\u30c3\u30b5\u3067\u308297%\u306b\u306a\u308b\u3068\u3044\u3046\u610f\u5473\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u307e\u305f\u3001\u4f4d\u76f8\u3092\u9078\u3070\u305a\u306b\u5358\u306b\u8db3\u3059\u3060\u3051\u3067\u306f\u3001\u60c5\u5831\u3092\u898b\u5206\u3051\u306b\u304f\u3044\u65b9\u5411\u3078\u5408\u6210\u3057\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u56f3\u304b\u3089\u5206\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u8ad6\u6587\u306f\u4fe1\u53f7\u5bfe\u96d1\u97f3\u6bd4\u306e\u6539\u5584\u3082\u5831\u544a\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u5b9f\u9a13\u3067\u306f\u4e8c\u3064\u306e\u51fa\u529b\u7d4c\u8def\u306e\u8ffd\u52a0\u96d1\u97f3\u304c\u540c\u3058\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002JM\u5229\u5f972.3\u301c4 dB\u306e\u4e00\u90e8\u306e\u6761\u4ef6\u3067\u96fb\u529b\u306e\u4fe1\u53f7\u5bfe\u96d1\u97f3\u6bd4\u304c2\u500d\u3092\u8d85\u3048\u305f\u7d50\u679c\u306b\u306f\u3001\u30a2\u30a4\u30c9\u30e9\u30fc\u5074\u306e\u7d4c\u8def\u306e\u96d1\u97f3\u304c\u5c0f\u3055\u3044\u3053\u3068\u3082\u5bc4\u4e0e\u3057\u3066\u3044\u307e\u3059\u3002\u4e8c\u30e2\u30fc\u30c9\u3092\u4f7f\u3048\u3070\u5e38\u306b2\u500d\u306b\u306a\u308b\u3001\u3068\u4e00\u822c\u5316\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<h2>\u30c1\u30c3\u30d7\u3092\u5909\u3048\u305a\u306b\u4f7f\u3048\u308b\u4f59\u5730\u3068\u3001\u6b8b\u308b\u5236\u7d04<\/h2>\n<p>\u3053\u306e\u65b9\u6cd5\u306e\u5229\u70b9\u306f\u3001\u91cf\u5b50\u30c1\u30c3\u30d7\u81ea\u4f53\u3092\u4f5c\u308a\u76f4\u3055\u305a\u3001\u51fa\u529b\u4fe1\u53f7\u306e\u6e2c\u5b9a\u3068\u51e6\u7406\u3092\u5de5\u592b\u3067\u304d\u308b\u70b9\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u30a2\u30a4\u30c9\u30e9\u30fc\u3092\u8aad\u307f\u53d6\u308c\u308b\u5468\u6ce2\u6570\u5e2f\u57df\u3068\u6e2c\u5b9a\u7d4c\u8def\u3001\u4e21\u7d4c\u8def\u306e\u5229\u5f97\u6821\u6b63\u3001\u4f4d\u76f8\u3092\u63c3\u3048\u308b\u51e6\u7406\u306f\u5fc5\u8981\u3067\u3059\u3002\u4eca\u56de\u306e\u4e8c\u672c\u306e\u51fa\u529b\u7dda\u3092\u7528\u3044\u305f\u5b9f\u9a13\u3068\u3001\u4fe1\u53f7\u30fb\u30a2\u30a4\u30c9\u30e9\u30fc\u304c\u540c\u3058\u4f1d\u9001\u7dda\u3092\u901a\u308b\u9032\u884c\u6ce2\u578b\u5897\u5e45\u5668\u3078\u306e\u9069\u7528\u6848\u306f\u3001\u5b9f\u8a3c\u6bb5\u968e\u3092\u5206\u3051\u3066\u8aad\u3080\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u6539\u5584\u306e\u4f59\u5730\u306f\u3001\u5f8c\u6bb5\u306e\u96d1\u97f3\u3068\u521d\u6bb5\u306e\u5229\u5f97\u3067\u5909\u308f\u308a\u307e\u3059\u3002\u5f8c\u6bb5\u304c\u52a0\u3048\u308b\u96d1\u97f3\u304c\u306a\u304f\u306a\u308b\u6975\u9650\u3084\u3001\u521d\u6bb5\u306e\u5229\u5f97\u304c\u975e\u5e38\u306b\u5927\u304d\u3044\u6975\u9650\u3067\u306f\u3001\u5358\u72ec\u6e2c\u5b9a\u3068\u306e\u5dee\u306f\u5c0f\u3055\u304f\u306a\u308a\u307e\u3059\u3002\u53cd\u5bfe\u306b\u3001\u521d\u6bb5\u3092\u5f37\u304f\u5897\u5e45\u3067\u304d\u305a\u3001\u5f8c\u6bb5\u306e\u96d1\u97f3\u304c\u52b9\u3044\u3066\u3044\u308b\u88c5\u7f6e\u3067\u306f\u3001\u4e8c\u3064\u306e\u51fa\u529b\u3092\u4f7f\u3046\u4fa1\u5024\u304c\u51fa\u3066\u304d\u307e\u3059\u3002<\/p>\n<p>\u5b9f\u969b\u306e\u88c5\u7f6e\u3067\u306f\u3001\u91cf\u5b50\u30d3\u30c3\u30c8\u3078\u623b\u308b\u5897\u5e45\u5668\u306e\u5f71\u97ff\u3092\u6291\u3048\u308b\u90e8\u54c1\u306e\u5206\u96e2\u6027\u80fd\u304c\u9650\u3089\u308c\u3001\u5b9f\u9a13\u306eJM\u5229\u5f97\u306f7 dB\u672a\u6e80\u306b\u6291\u3048\u3089\u308c\u307e\u3057\u305f\u3002\u8aad\u307f\u51fa\u3057\u4e2d\u306e\u91cf\u5b50\u30d3\u30c3\u30c8\u306e\u7de9\u548c\u3001\u6e2c\u5b9a\u306b\u3088\u308b\u4e0d\u8981\u306a\u72b6\u614b\u9077\u79fb\u3001\u91cf\u5b50\u975e\u7834\u58ca\u6027\u306e\u4e0d\u8db3\u3082\u3001\u3053\u306e\u5408\u6210\u51e6\u7406\u3060\u3051\u3067\u306f\u89e3\u6c7a\u3057\u307e\u305b\u3093\u3002\u6bd4\u8f03\u3059\u308b\u3068\u304d\u306f\u6700\u9ad8\u306e\u5fe0\u5b9f\u5ea6\u3060\u3051\u3067\u306a\u304f\u3001\u8aad\u307f\u51fa\u3057\u6642\u9593\u3001\u5165\u529b\u5149\u5b50\u6570\u3001\u5897\u5e45\u7387\u3001\u5404\u7d4c\u8def\u306e\u96d1\u97f3\u3001\u72b6\u614b\u3092\u58ca\u3055\u305a\u306b\u8aad\u3081\u305f\u304b\u3092\u4e00\u7dd2\u306b\u898b\u308b\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002<\/p>\n<p>IBM\u306e\u4e8b\u696d\u3068\u91cf\u5b50\u8a08\u7b97\u3078\u306e\u53d6\u308a\u7d44\u307f\u306e\u4f4d\u7f6e\u3065\u3051\u306f\u3001Cyclewave\u306e<a href=\"https:\/\/cyclewave.net\/?p=345\">IBM\u306e\u4f01\u696d\u89e3\u8aac<\/a>\u3067\u3082\u6574\u7406\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u51fa\u5178<\/h2>\n<ul>\n<li>Abdo, B., Shanks, W., Jinka, O., Rozen, J. R.\u300c<a href=\"https:\/\/link.springer.com\/article\/10.1140\/epjqt\/s40507-026-00591-y\">Enhancing qubit readout fidelity with two-mode squeezing of the coherent measurement signal<\/a>\u300dEPJ Quantum Technology\u30012026\u5e7410\u670830\u65e5\u516c\u958b\u3002\u63a1\u629e\u5f8c\u306e\u5148\u884c\u516c\u958b\u7248\uff08Article in Press\uff09\u3002\u672c\u6587\u30fbMethods\u30fb\u56f31\u301c7\u3002<\/li>\n<li>\u540c\u8ad6\u6587\u306e<a href=\"https:\/\/static-content.springer.com\/esm\/art%3A10.1140%2Fepjqt%2Fs40507-026-00591-y\/MediaObjects\/40507_2026_591_MOESM1_ESM.pdf\">\u88dc\u8db3\u8cc7\u6599<\/a>\u30012026\u5e748\u670827\u65e5\u4ed8\u3002\u4e8c\u30e2\u30fc\u30c9\u306e\u95a2\u4fc2\u5f0f\u3001\u51fa\u529b\u7d4c\u8def\u306e\u6821\u6b63\u3001\u5229\u5f97\u3092\u5236\u9650\u3059\u308b\u9006\u4f5c\u7528\u306e\u8aac\u660e\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u91cf\u5b50\u30d3\u30c3\u30c8\u306e\u8aad\u307f\u51fa\u3057\u3067\u306f\u3001\u5f31\u3044\u30de\u30a4\u30af\u30ed\u6ce2\u306b\u8f09\u3063\u305f\u60c5\u5831\u3092\u5897\u5e45\u3057\u30010\u30681\u306b\u76f8\u5f53\u3059\u308b\u72b6\u614b\u3092\u898b\u5206\u3051\u307e\u3059\u3002IBM Quantum\u306e\u7814\u7a76\u30c1\u30fc\u30e0\u306f\u3001\u901a\u5e38\u306e\u4fe1\u53f7\u306b\u52a0\u3048\u3066\u3001\u5897\u5e45\u5668\u304c\u5225\u306e\u5468\u6ce2\u6570\u3078\u51fa\u3059\u300c\u30a2\u30a4\u30c9\u30e9\u30fc\u300d\u3082\u6e2c\u5b9a\u3057\u307e\u3057\u305f\u3002\u4e8c\u3064\u306e\u6e2c\u5b9a\u8a18 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":2045,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":false,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[30],"tags":[404],"class_list":["post-2047","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-computing","tag-idler-readout"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/10\/qs-ibm-idler-readout-20261031-0c17cd61d8b9.png","_links":{"self":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/2047","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2047"}],"version-history":[{"count":1,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/2047\/revisions"}],"predecessor-version":[{"id":2048,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/2047\/revisions\/2048"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/media\/2045"}],"wp:attachment":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2047"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2047"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2047"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}