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decoding=\"async\" loading=\"lazy\" class=\"img_c aligncenter\" src=\"https:\/\/www.quant-ph.cst.nihon-u.ac.jp\/qog-nu\/wp-content\/uploads\/2020\/02\/research.png\" alt=\"\" width=\"187\" height=\"187\" \/><\/p>\n<p style=\"text-align: center;\">\u56f3\uff1a\u5358\u4e00\u753b\u7d20\u30a4\u30e1\u30fc\u30b8\u30f3\u30b0\u306b\u3088\u3063\u3066\u5fa9\u5143\u3055\u308c\u305f64\u00d764\u30d4\u30af\u30bb\u30eb\u753b\u50cf<br \/>\uff08NU\u306fNihon University\u306e\u7565\u79f0\uff09<\/p>\n<\/section>\n<section>\n<h5>\u00a0<\/h5>\n<h5 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decoding=\"async\" loading=\"lazy\" class=\"img_c\" src=\"https:\/\/www.quant-ph.cst.nihon-u.ac.jp\/qog-nu\/wp-content\/uploads\/2020\/02\/research02.jpg\" alt=\"\" width=\"400\" height=\"300\" \/><br \/>\u56f3\uff1a\u5358\u4e00\u5149\u5b50\u30d0\u30c3\u30d5\u30a1\u5b9f\u9a13\u7cfb<\/p>\n<\/section>\n<h4><strong>\u904e\u53bb\u306e\u7814\u7a76<\/strong><\/h4>\n<section>\n<h5 id=\"old_theme01\"><strong>2009\uff5e\uff1a\u5149\u901a\u4fe1\u6ce2\u9577\u5e2f\u9ad8\u8f1d\u5ea6\u504f\u5149\u91cf\u5b50\u3082\u3064\u308c\u5149\u5b50\u5bfe\u6e90\u306e\u958b\u767a\u3068\u305d\u306e\u5fdc\u7528<\/strong><\/h5>\n<p>\u3000\u7269\u8cea\u6750\u6599\u7814\u7a76\u6a5f\u69cb\u304a\u3088\u3073\u65e9\u7a32\u7530\u5927\u5b66\u7406\u5de5\u5b66\u90e8\u5fdc\u7528\u7269\u7406\u5b66\u79d1\u4e2d\u5cf6\u7814\u7a76\u5ba4\u3068\u306e\u5171\u540c\u7814\u7a76\u306b\u3088\u308a\u4f5c\u88fd\u3057\u305f\u30bf\u30a4\u30d7II\u5c0e\u6ce2\u8def\u578bPPLN\u3092\u7528\u3044\u3066\u504f\u5149\u91cf\u5b50\u3082\u3064\u308c\u5149\u5b50\u5bfe\u3092\u751f\u6210\u3057\uff0c\uff12\u5149\u5b50\u5e72\u6e09\u5ea6 88 %\uff0c\u5149\u5b50\u5bfe\u751f\u6210\u7387100 pair\/sec\uff08\u4e16\u754c\u8a18\u9332\u306f200 pair\/sec\uff09\u3092\u3053\u308c\u307e\u3067\u306b\u5f97\u305f\uff0e\u73fe\u5728\uff0c\u30dd\u30f3\u30d7\u5149\u5f37\u5ea6\u304a\u3088\u3073\u9ad8\u901f\u5358\u4e00\u5149\u5b50\u691c\u51fa\u5668\u306e\u91cf\u5b50\u52b9\u7387\u306e\u6700\u9069\u5316\u3092\u884c\u3044\uff0c\uff12\u5149\u5b50\u5e72\u6e09\u5ea690 %\u4ee5\u4e0a\uff0c\u5149\u5b50\u5bfe\u767a\u751f\u73871000 pair\/sec\u306e\u6027\u80fd\u3092\u6301\u3064\u4e16\u754c\u6700\u9ad8\u30ec\u30d9\u30eb\u306e\u504f\u5149\u91cf\u5b50\u3082\u3064\u308c\u5149\u5b50\u5bfe\u6e90\u306e\u5b9f\u73fe\u3092\u76ee\u6307\u3057\u3066\u3044\u308b\uff0e\u3053\u308c\u3068\u5e73\u884c\u3057\u3066\uff0c\u504f\u5149\u91cf\u5b50\u3082\u3064\u308c\u5149\u5b50\u5bfe\u6e90\u3092\uff12\u500b\u7528\u610f\u3057\uff0c\u91cf\u5b50\u6697\u53f7\u901a\u4fe1\u306e\u9577\u8ddd\u96e2\u5316\u306b\u5fc5\u8981\u3068\u306a\u308b\u300c\u91cf\u5b50\u3082\u3064\u308c\u30b9\u30ef\u30c3\u30d4\u30f3\u30b0\u300d\u306e\u5b9f\u8a3c\u5b9f\u9a13\u306b\u3082\u53d6\u308a\u7d44\u3093\u3060\uff0e<\/p>\n<p>\u00a0<\/p>\n<\/section>\n<section>\n<h5 id=\"old_theme02\"><strong>2007\uff5e\uff1a\u5149\u5b50\u2192\u8868\u9762\u30d7\u30e9\u30ba\u30e2\u30f3\u30fb\u30dd\u30e9\u30ea\u30c8\u30f3\u2192\u5149\u5b50\u306e\u5909\u63db\u904e\u7a0b\u306b\u95a2\u3059\u308b\u7814\u7a76<\/strong><\/h5>\n<p>\u3000\u91d1\u30ca\u30ce\u30b9\u30ea\u30c3\u30c8\u3092\u4f5c\u88fd\u3057\u5149\u306e\u7570\u5e38\u900f\u904e\u7279\u6027\u3092\u8a73\u3057\u304f\u8abf\u3079\u305f\uff0e\u305d\u306e\u969b\uff0c\u30b9\u30ea\u30c3\u30c8\uff08\u5e45200 nm\uff0c\u9577\u305548 \uf06dm\uff09\uff0d\u6e9d\uff08\u5e45180 nm\uff0c\u9577\u305548 mm\uff0c\u6df1\u305520~120 nm\uff09\u69cb\u9020\u3067\u306f\uff0c\u30b9\u30ea\u30c3\u30c8\u3067\u767a\u751f\u3057\u305f\u8868\u9762\u30d7\u30e9\u30ba\u30e2\u30f3\u30fb\u30dd\u30e9\u30ea\u30c8\u30f3\u306f\u6e9d\u307e\u3067\u4f1d\u64ad\u3057\u6e9d\u3067\u518d\u3073\u5149\u306b\u5909\u63db\u3055\u308c\uff0c\u30b9\u30ea\u30c3\u30c8\u3092\u901a\u904e\u3057\u305f\u5149\u3068\u5e72\u6e09\u3059\u308b\uff08\u5149\u2192\u8868\u9762\u30d7\u30e9\u30ba\u30e2\u30f3\u30fb\u30dd\u30e9\u30ea\u30c8\u30f3\u2192\u5149\u306e\u5909\u63db\u904e\u7a0b\u306b\u304a\u3044\u3066\u5149\u306e\u30b3\u30d2\u30fc\u30ec\u30f3\u30b9\u304c\u4fdd\u305f\u308c\u308b\uff09\u3053\u3068\u3092\u5b9f\u8a3c\u3057\u305f\uff0e<\/p>\n<p>\u3000\u6b21\u306b\uff0c\u91d1\u30ca\u30ce\u30b9\u30c8\u30e9\u30a4\u30d7\u5c0e\u6ce2\u8def\uff08\u5e458 \uf06d\uff0c\u539a\u305515 nm\uff0c\u9577\u30551 mm\uff09\u3092\u4f5c\u88fd\u3057\uff0c\u8868\u9762\u30d7\u30e9\u30ba\u30e2\u30f3\u30fb\u30dd\u30e9\u30ea\u30c8\u30f3\u306e\u4f1d\u64ad\u7279\u6027\u3092\u8a55\u4fa1\u3057\u305f\uff0e\u305d\u306e\u969b\uff0c\u30d1\u30e9\u30e1\u30c8\u30ea\u30c3\u30af\u4e0b\u65b9\u5909\u63db\u3067\u751f\u6210\u3055\u308c\u305f\u5149\u5b50\u5bfe\u306e\u4e00\u65b9\u3092\u91d1\u30ca\u30ce\u30b9\u30c8\u30e9\u30a4\u30d7\u5c0e\u6ce2\u8def\u306b\u5165\u5c04\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u5358\u4e00\u8868\u9762\u30d7\u30e9\u30ba\u30e2\u30f3\u30fb\u30dd\u30e9\u30ea\u30c8\u30f3\u3092\u52b1\u8d77\u3057\uff0c\u5c0e\u6ce2\u8def\u4f1d\u64ad\u5f8c\u51fa\u529b\u3055\u308c\u305f\u5149\u5b50\u3068\u4ed6\u65b9\u306e\u5149\u5b50\uff08\u5c0e\u6ce2\u8def\u3092\u901a\u904e\u3055\u305b\u306a\u3044\u5149\u5b50\uff09\u3068\u3092\u5e72\u6e09\u3055\u305b\uff0c\u5149\u5b50\uff08\u30dc\u30fc\u30ba\u7c92\u5b50\uff09\u306e\u57fa\u672c\u7279\u6027\u3067\u3042\u308b\u30d0\u30f3\u30c1\u30f3\u30b0\u3092\u89b3\u6e2c\u3057\u305f\uff0e\u3053\u308c\u306b\u3088\u308a\uff0c\u5149\u5b50\u2192\u8868\u9762\u30d7\u30e9\u30ba\u30e2\u30f3\u2192\u5149\u5b50\u306e\u5909\u63db\u3092\u53d7\u3051\u305f\u5149\u5b50\u3068\u53d7\u3051\u306a\u3044\u5149\u5b50\u304c\u8b58\u5225\u4e0d\u53ef\u80fd\u3067\u3042\u308b\u3053\u3068\u3092\u5b9f\u8a3c\u3057\u305f\uff0e<\/p>\n<p>\u3000\u73fe\u5728\uff0c\u91d1\u30ca\u30ce\u30b9\u30c8\u30e9\u30a4\u30d7\u30ab\u30c3\u30d7\u30e9\u30fc\uff08\u5206\u5c90\u6bd4\uff1a50\/50\uff09\u3092\u4f5c\u88fd\u3057\uff0c\u5358\u4e00\u8868\u9762\u30d7\u30e9\u30ba\u30e2\u30f3\u30fb\u30dd\u30e9\u30ea\u30c8\u30f3\u306e\u5e72\u6e09\u5b9f\u9a13\u3092\u884c\u3063\u305f\uff0e\u3053\u308c\u306b\u3088\u308a\uff0c\u8868\u9762\u30d7\u30e9\u30ba\u30e2\u30f3\u30fb\u30dd\u30e9\u30ea\u30c8\u30f3\u306e\u30dc\u30fc\u30ba\u7c92\u5b50\u6027\u3092\u5b9f\u8a3c\u3057\u305f\uff0e<\/p>\n<h6><strong>\u4e3b\u8981\u8ad6\u6587<\/strong><\/h6>\n<ul>\n<li>S. Mori, K. Hasegawa, T. Segawa, Y. Takahashi, and S. Inoue, \u201cInterference of Photon Emitted by a Slit\u2013Groove Structure after the Conversion of Photon to Surface Plasmons,\u201d <i>Jpn. J. Appl. Phys.<\/i> <b>48<\/b>, 062001 (June 2009).<\/li>\n<\/ul>\n<\/section>\n<section>\n<h5>\u00a0<\/h5>\n<h5 id=\"old_theme03\">2006\uff5e\uff1a\u8d85\u4f1d\u5c0e\u8ee2\u79fb\u7aef\u30bb\u30f3\u30b5\u306b\u3088\u308b\u5149\u5b50\u6570\u8b58\u5225\u5668\u306e\u958b\u767a\u3068\u305d\u306e\u5fdc\u7528<\/h5>\n<p>\u3000\u7523\u696d\u6280\u8853\u7814\u7a76\u6240\u3068\u306e\u5171\u540c\u7814\u7a76\u306b\u3088\u308a\uff0c\u30c1\u30bf\u30f3\u8d85\u96fb\u5c0e\u8584\u819c\u3092\u5229\u7528\u3057\u305f\u5149\u5b50\u6570\u8b58\u5225\u5668\u3092\u958b\u767a\u3057\uff0c\u5149\u901a\u4fe1\u6ce2\u9577\u5e2f\uff081\u5149\u5b50\u306e\u30a8\u30cd\u30eb\u30ae\u30fc\uff1d0.80 eV\uff09\u306b\u304a\u3044\u3066\u91cf\u5b50\u52b9\u738784 %\uff0c\u30a8\u30cd\u30eb\u30ae\u30fc\u5206\u89e3\u80fd0.23 eV\u3092\u9054\u6210\u3057\u305f\uff0e\u3053\u306e\u5149\u5b50\u6570\u8b58\u5225\u5668\u3068\u30d1\u30eb\u30b9\u771f\u7a7a\u30b9\u30af\u30a3\u30fc\u30ba\u30c9\u72b6\u614b\u304a\u3088\u3073\u9ad8\u901f\u30d1\u30eb\u30b9\u578b\u30db\u30e2\u30c0\u30a4\u30f3\u691c\u51fa\u5668\u3092\u7528\u3044\u3066\uff0c\u5149\u901a\u4fe1\u6ce2\u9577\u5e2f\u306b\u304a\u3051\u308b\u975e\u30ac\u30a6\u30b9\u64cd\u4f5c\u3092\u4e16\u754c\u3067\u521d\u3081\u3066\u5b9f\u73fe\u3057\u305f\uff08\u65e9\u7a32\u7530\u5927\u5b66\u7406\u5de5\u5b66\u90e8\u5fdc\u7528\u7269\u7406\u5b66\u79d1\u5c0f\u677e\u7814\u7a76\u5ba4\u3068\u306e\u5171\u540c\u7814\u7a76\uff09\uff0e\u3055\u3089\u306b\uff0c\u60c5\u5831\u901a\u4fe1\u7814\u7a76\u6a5f\u69cb\u3068\u306e\u5171\u540c\u7814\u7a76\u306b\u3088\u308a\uff0c\u3053\u306e\u5149\u5b50\u6570\u8b58\u5225\u5668\u3092\u77ed\u6ce2\u9577\u5e2f\uff08850 nm\uff09\u306b\u304a\u3051\u308b\u9ad8\u52b9\u7387\u5358\u4e00\u5149\u5b50\u691c\u51fa\u5668\uff08\u91cf\u5b50\u52b9\u738798 %\uff09\u3068\u3057\u3066\u4f7f\u7528\u3057\uff0c\u30db\u30e2\u30c0\u30a4\u30f3\u9650\u754c\u3092\u8d85\u3048\u308b\u91cf\u5b50\u6700\u9069\u53d7\u4fe1\u6a5f\u306e\u539f\u7406\u691c\u8a3c\u5b9f\u9a13\u306b\u6210\u529f\u3057\u305f\uff0e<\/p>\n<h6><strong>\u4e3b\u8981\u8ad6\u6587<\/strong><\/h6>\n<ul>\n<li>N. Namekata, Y. Takahashi, G. Fujii, D. Fukuda, S. Kurimura and S. Inoue, &#8220;Non-Gaussian operation based on photon subtraction using a photon-number-resolving detector at a telecommunications wavelength&#8221;, Nature Photonics, <b>4<\/b> (9), 655 &#8211; 660 (July 2010)<\/li>\n<\/ul>\n<\/section>\n<section>\n<h3>\u00a0<\/h3>\n<h5 id=\"old_theme04\"><strong>2005\uff5e\u73fe\u5728\uff1a\u5149\u901a\u4fe1\u6ce2\u9577\u5e2f\u306b\u304a\u3051\u308b\u771f\u7a7a\u30b9\u30af\u30a3\u30fc\u30ba\u30c9\u72b6\u614b\u306e\u751f\u6210\u3068\u691c\u51fa<\/strong><\/h5>\n<p>\u3000\u73fe\u5728\u306e\u5149\u901a\u4fe1\u306b\uff08\u9023\u7d9a\u91cf\uff09\u91cf\u5b50\u8a08\u7b97\u3092\u7d44\u307f\u8fbc\u3080\u3053\u3068\u306b\u3088\u308a\uff0c\u53e4\u5178\u7684\u306a\u901a\u4fe1\u5bb9\u91cf\u9650\u754c\uff08\u30b7\u30e3\u30ce\u30f3\u9650\u754c\uff09\u3092\u8d85\u3048\u308b\u3053\u3068\u304c\u51fa\u6765\u308b\uff0e\u3053\u306e\u9023\u7d9a\u91cf\u306b\u5bfe\u3059\u308b\u91cf\u5b50\u8a08\u7b97\u306b\u5fc5\u8981\u3068\u306a\u308b\u975e\u30ac\u30a6\u30b9\u64cd\u4f5c\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u65e9\u7a32\u7530\u5927\u5b66\u7406\u5de5\u5b66\u90e8\u5fdc\u7528\u7269\u7406\u5b66\u79d1\u5c0f\u677e\u7814\u7a76\u5ba4\u3068\u306e\u5171\u540c\u7814\u7a76\u3092\u9032\u3081\uff0c\u30d5\u30a7\u30e0\u30c8\u79d2\u30d1\u30eb\u30b9\u30ec\u30fc\u30b6\u30fc\u3068PPLN\u30d0\u30eb\u30af\u7d50\u6676\u306b\u3088\u308b\u30d1\u30e9\u30e1\u30c8\u30ea\u30c3\u30af\u5897\u5e45\u904e\u7a0b\u306b\u3088\u308a\uff0c\u4e16\u754c\u6700\u9ad8\u30ec\u30d9\u30eb\u306e-3.1 dB\u306e\u30d1\u30eb\u30b9\u771f\u7a7a\u30b9\u30af\u30a3\u30fc\u30ba\u30c9\u72b6\u614b\u306e\u751f\u6210\u306b\u6210\u529f\u3057\u305f\uff0e\u307e\u305f\uff0c80 MHz\u306e\u7e70\u308a\u8fd4\u3057\u30d1\u30eb\u30b9\u306e\u76f4\u4ea4\u4f4d\u76f8\u632f\u5e45\u3092\u6e2c\u5b9a\u3067\u304d\u308b\u4e16\u754c\u6700\u901f\u306e\u30d1\u30eb\u30b9\u30db\u30e2\u30c0\u30a4\u30f3\u691c\u51fa\u5668\u306e\u958b\u767a\u306b\u3082\u6210\u529f\u3057\u305f\uff0e<\/p>\n<h6>\u4e3b\u8981\u8ad6\u6587<\/h6>\n<ul>\n<li>Y. Takahashi, J. S\u00f6derholm, K. Hirano, N. Namekata, S. Machida, S. Mori, S. Kurimura, S. Komatsu, and S. Inoue, \u201cEffects of dispersion on squeezing and photon statistics of down-converted light,\u201d <i>Phys. Rev<\/i>. A 77 (4), 043801 (April 2008).<\/li>\n<\/ul>\n<h6><strong>\u7279\u8a31<\/strong><\/h6>\n<ul>\n<li>\u5149\u901a\u4fe1\u6ce2\u9577\u5e2f\u306b\u304a\u3051\u308b\u9ad8\u901f\u30d1\u30eb\u30b9\u578b\u30db\u30e2\u30c0\u30a4\u30f3\u691c\u6ce2\u5668\uff08\u51fa\u9858\u756a\u53f7\uff1a2008-247073\uff09<\/li>\n<\/ul>\n<\/section>\n<section>\n<h3>\u00a0<\/h3>\n<h5 id=\"old_theme05\"><strong>2005\uff5e\uff1a\u6b63\u5f26\u6ce2\u30b2\u30fc\u30c8\u52d5\u4f5cAPD\u306b\u3088\u308b\u9ad8\u901f\u5358\u4e00\u5149\u5b50\u691c\u51fa\u3068\u91cf\u5b50\u9375\u914d\u5e03\u5b9f\u9a13<\/strong><\/h5>\n<p>\u3000\u5149\u901a\u4fe1\u6ce2\u9577\u5e2f\u306b\u304a\u3051\u308b\u5358\u4e00\u5149\u5b50\u691c\u51fa\u3067\u306f\uff0c\u30a2\u30d5\u30bf\u30fc\u30d1\u30eb\u30b9\u3068\u547c\u3070\u308c\u308b\u96d1\u97f3\u306e\u305f\u3081\uff0c1 MHz\u4ee5\u4e0a\u306e\u9ad8\u901f\u306a\u5358\u4e00\u5149\u5b50\u691c\u51fa\u3092\u5b9f\u73fe\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u304b\u3063\u305f\uff0e\u3053\u306e\u30a2\u30d5\u30bf\u30fc\u30d1\u30eb\u30b9\u3092\u4f4e\u6e1b\u3059\u308b\u65b9\u6cd5\u3092\u8003\u6848\u3057\uff0c\u4e16\u754c\u6700\u9ad8\u901f\uff08\u5f53\u6642\u306f800 MHz\uff0c\u73fe\u57282 GHz\u3092\u9054\u6210\uff09\u306e\u5358\u4e00\u5149\u5b50\u691c\u51fa\u3092\u5b9f\u73fe\u3057\u305f\uff0e\uff08\u5831\u9053\u8a18\u4e8b\uff13\uff09\u307e\u305f\uff0c\u3053\u306e\u5358\u4e00\u5149\u5b50\u691c\u51fa\u5668\u3092NTT\u7269\u6027\u79d1\u5b66\u57fa\u790e\u7814\u7a76\u6240\u304c\u958b\u767a\u3057\u305f\u5dee\u52d5\u4f4d\u76f8\u30b7\u30d5\u30c8\u91cf\u5b50\u9375\u914d\u5e03\u30b7\u30b9\u30c6\u30e0\u306b\u7d44\u307f\u8fbc\u307f\uff0c15 km\u306e\u4f1d\u9001\u8ddd\u96e2\u306b\u304a\u3044\u3066\u4e16\u754c\u6700\u9ad8\u30ec\u30d9\u30eb\u306e\u5b89\u5168\u9375\u751f\u6210\u7387\uff08330 k bit\/s\uff09\u3092\u5b9f\u73fe\u3057\u305f\uff0e<\/p>\n<h6 style=\"text-align: center;\">\u5831\u9053\u8a18\u4e8b3 2006\u5e7411\u67082\u65e5<\/h6>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"img_c aligncenter\" src=\"https:\/\/www.quant-ph.cst.nihon-u.ac.jp\/qog-nu\/wp-content\/uploads\/2020\/02\/research03.png\" alt=\"\" width=\"400\" height=\"322\" \/><\/p>\n<h6><strong>\u4e3b\u8981\u8ad6\u6587<\/strong><\/h6>\n<ul>\n<li>N. Namekata, S. Sasamori, and S. Inoue, \u201c800 MHz Single-Photon Detection at 1550-nm Using an InGaAs\/InP Avalanche Photodiode Operated with a Sine Wave Gating,\u201d <i>Opt. Express<\/i> <b>14<\/b> (21), 10043-10049 (October 2006).<\/li>\n<li>N. Namekata, G. Hujii, T. Honjo, H. Takesue, and S. Inoue, \u201cDifferential Phase Shift Quantum Key Distribution Using Single-Photon Detectors Based on a Sinusoidally Gated InGaAs\/InP Avalanche Photodiode,\u201d <i>Appl. Phys. Lett.<\/i> <b>91<\/b> (1), 011112 (July 2007).\u3000<\/li>\n<\/ul>\n<h6><strong>\u7279\u8a31<\/strong><\/h6>\n<ul>\n<li>High-speed single-photon detector in telecommunication wavelength band<br \/>(U.S. Patent Number : 7705284 B2)<\/li>\n<\/ul>\n<\/section>\n<section>\n<h3>\u00a0<\/h3>\n<h5 id=\"old_theme06\"><strong>2004\uff5e2005\uff1a\u30bf\u30a4\u30d7II PPLN\u5c0e\u6ce2\u8def\u306e\u958b\u767a\u3068\u305d\u306e\u8a55\u4fa1<\/strong><\/h5>\n<p>\u3000\u504f\u5149\u91cf\u5b50\u3082\u3064\u308c\u5149\u5b50\u5bfe\u3092\u9ad8\u52b9\u7387\u306b\u751f\u6210\u3059\u308b\u305f\u3081\u306b\uff0c\u30bf\u30a4\u30d7II\u5c0e\u6ce2\u8def\u578bPPLN\u306e\u958b\u767a\u3092\u7269\u8cea\u6750\u6599\u7814\u7a76\u6a5f\u69cb\u304a\u3088\u3073\u65e9\u7a32\u7530\u5927\u5b66\u7406\u5de5\u5b66\u90e8\u5fdc\u7528\u7269\u7406\u5b66\u79d1\u4e2d\u5cf6\u7814\u7a76\u5ba4\u3068\u5171\u540c\u3067\u884c\u3044\uff0c\u30d1\u30e9\u30e1\u30c8\u30ea\u30c3\u30af\u4e0b\u65b9\u5909\u63db\u306b\u3088\u308b\u76f4\u4ea4\u504f\u5149\u5149\u5b50\u5bfe\u306e\u751f\u6210\u306b\u304a\u3044\u3066\u4e16\u754c\u6700\u9ad8\u8f1d\u5ea6\uff08\u5e2f\u57df\u3042\u305f\u308a\u306e\u5149\u5b50\u5bfe\u751f\u6210\u7387\uff09\u3092\u5b9f\u73fe\u3057\u305f\uff0e<\/p>\n<h6><strong>\u4e3b\u8981\u8ad6\u6587<\/strong><\/h6>\n<ul>\n<li>G. Fujii, N. Namekata, M. Motoyo, S. Kurimura, and S. Inoue, \u201cBright narrowband photon-pairs at an optical telecommunication wavelength using Type-II periodically poled lithium niobate waveguide,\u201d <i>Opt. Express<\/i> <b>15<\/b> (20), 12769-12776 (October 2007).<\/li>\n<\/ul>\n<h6><strong>\u7279\u8a31<\/strong><\/h6>\n<ul>\n<li>\u504f\u5149\u30a8\u30f3\u30bf\u30f3\u30b0\u30eb\u30c9\u5149\u5b50\u5bfe\u767a\u751f\u88c5\u7f6e\uff08\u51fa\u9858\u756a\u53f7\uff1a2004-071909\uff0c\u65e5\u672c\u767b\u9332\u756a\u53f7\uff1a4264735\uff09<\/li>\n<\/ul>\n<\/section>\n<section>\n<h3>\u00a0<\/h3>\n<h5 id=\"old_theme07\"><strong>2002\uff5e2003\uff1a\u5149\u901a\u4fe1\u6ce2\u9577\u5e2f\u306b\u304a\u3051\u308b\u76f8\u95a2\u5149\u5b50\u5bfe\u306e\u751f\u6210\u3068\u305d\u306e\u5fdc\u7528<\/strong><\/h5>\n<p>\u3000\u5468\u671f\u5206\u6975\u53cd\u8ee2\u30cb\u30aa\u30d6\u9178\u30ea\u30c1\u30a6\u30e0\uff08PPLN\uff09\u5c0e\u6ce2\u8def\u3092\u7528\u3044\u3066\u6ce2\u95771550 nm\u306e\u76f8\u95a2\u5149\u5b50\u5bfe\uff08\u81ea\u7136\u30d1\u30e9\u30e1\u30c8\u30ea\u30c3\u30af\u4e0b\u65b9\u5909\u63db\u306b\u3088\u308a\u751f\u6210\u3055\u308c\u308b\u5149\u5b50\u5bfe\uff09\u3092\u9ad8\u52b9\u7387\u306b\u767a\u751f\u3055\u305b\u305f\uff0e\u307e\u305f\uff0c\u3053\u306e\u76f8\u95a2\u5149\u5b50\u5bfe\u3092\u7528\u3044\u305f\u5358\u4e00\u5149\u5b50\u6e90\u3092\u63d0\u6848\u3057\uff0c\u305d\u306e\u52d5\u4f5c\u78ba\u8a8d\u3092\u884c\u3063\u305f\uff0e<\/p>\n<h6><strong>\u4e3b\u8981\u8ad6\u6587<\/strong><\/h6>\n<ul>\n<li>S. Mori, J. Soderholm, N. Namekata, and S. Inoue, \u201cOn the distribution of 1550-nm photon pairs efficiently generated using a periodically poled lithium niobate waveguide,&#8221; <i>Opt. Commun.<\/i> <b>264<\/b> (1), 156-162 (August 2006).<\/li>\n<\/ul>\n<h6><strong>\u7279\u8a31<\/strong><\/h6>\n<ul>\n<li>\u5358\u4e00\u5149\u5b50\u767a\u751f\u88c5\u7f6e\uff08\u51fa\u9858\u756a\u53f7\uff1a2003-117055\uff0c\u82f1\u56fd\u767b\u9332\u756a\u53f7\uff1aGB2419248\uff09<\/li>\n<\/ul>\n<\/section>\n<section>\n<h3>\u00a0<\/h3>\n<h5 id=\"old_theme08\"><strong>2000\uff5e2001\uff1a\u5149\u901a\u4fe1\u6ce2\u9577\u5e2f\u306b\u304a\u3051\u308b\u5358\u4e00\u5149\u5b50\u691c\u51fa\u5668\u306e\u958b\u767a\u3068\u91cf\u5b50\u9375\u914d\u5e03\u3078\u306e\u5fdc\u7528<\/strong><\/h5>\n<p>\u3000\u5149\u901a\u4fe1\u6ce2\u9577\u5e2f\u306b\u611f\u5ea6\u3092\u6301\u3064InGaAs\/InP\u30a2\u30d0\u30e9\u30f3\u30b7\u30a7\u30d5\u30a9\u30c8\u30c0\u30a4\u30aa\u30fc\u30c9\uff08APD\uff09\u3092\u96fb\u5b50\u51b7\u5374\u4e0b\u3067\u30b2\u30fc\u30c8\u52d5\u4f5c\u3055\u305b\u308b\u3053\u3068\u306b\u3088\u308a\uff0c\u9ad8\u52b9\u7387\u304b\u3064\u4f4e\u96d1\u97f3\u306a\u5358\u4e00\u5149\u5b50\u691c\u51fa\u3092\u5b9f\u73fe\u3057\u305f\uff0e\u307e\u305f\uff0c\u3053\u306e\u5358\u4e00\u5149\u5b50\u691c\u51fa\u5668\u3092\u7528\u3044\u3066BB84\u91cf\u5b50\u6697\u53f7\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u57fa\u3065\u304f\u91cf\u5b50\u9375\u914d\u9001\u30b7\u30b9\u30c6\u30e0\u3092\u958b\u767a\u3057\uff0c\u65e5\u672c\u521d\u306e\u65e2\u8a2d\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\uff08\u65e5\u672c\u5927\u5b66\u7406\u5de5\u5b66\u90e85\u53f7\u9928\u30689\u53f7\u9928\u3092\u5f80\u5fa9\u3059\u308b\u5b66\u5185LAN\uff09\u306b\u3088\u308b\u91cf\u5b50\u9375\u914d\u5e03\u5b9f\u9a13\u306b\u6210\u529f\u3057\u305f\uff0e<\/p>\n<h6><strong>\u4e3b\u8981\u8ad6\u6587<\/strong><\/h6>\n<ul>\n<li>N. Namekata, Y. Makino, and S. Inoue, \u201cSingle-photon detector for long-distance fiber-optic quantum key distribution\u201d, <i>Opt. Lett..<\/i> <b>27<\/b> (11), 954-956 (June 2002).<\/li>\n<\/ul>\n<h6><strong>\u7279\u8a31<\/strong><\/h6>\n<ul>\n<li>\u9577\u8ddd\u96e2\u91cf\u5b50\u6697\u53f7\u30b7\u30b9\u30c6\u30e0\uff08\u51fa\u9858\u756a\u53f7\uff1a2002-091578\uff0c\u65e5\u672c\u767b\u9332\u756a\u53f7\uff1a4086136\uff09<\/li>\n<\/ul>\n<\/section>\n<section>\n<h3>\u00a0<\/h3>\n<h5 id=\"old_theme09\"><strong>1998\uff5e1999\uff1a\u30d5\u30a1\u30d6\u30ea\u30da\u30ed\u30fc\u5171\u632f\u5668\u3092\u7528\u3044\u305f\u9ad8\u52b9\u7387\u7121\u76f8\u4e92\u4f5c\u7528\u6e2c\u5b9a\u306e\u5b9f\u8a3c\u5b9f\u9a13<\/strong><\/h5>\n<p>\u3000\u5171\u632f\u72b6\u614b\u306b\u4fdd\u305f\u308c\u305f\u9ad8\u3044Q\u5024\u3092\u6301\u3064\u30d5\u30a1\u30d6\u30ea\u30da\u30ed\u30fc\u5171\u632f\u5668\u306b\u5358\u4e00\u5149\u5b50\u3092\u5165\u5c04\u3057\uff0c\u30d5\u30a1\u30d6\u30ea\u30da\u30ed\u30fc\u5171\u632f\u5668\u3092\u900f\u904e\u307e\u305f\u306f\u53cd\u5c04\u3059\u308b\u5358\u4e00\u5149\u5b50\u3092\u691c\u51fa\u3059\u308b\u3053\u3068\u306b\u3088\u308a\uff0c\u5171\u632f\u5668\u5185\u306e\u7269\u4f53\u306b\u5149\u5b50\u3092\u5f53\u3066\u308b\u3053\u3068\u306a\u304f\u305d\u306e\u5b58\u5728\u3092\u9ad8\u78ba\u7387\uff08\u5f53\u6642\u3068\u3057\u3066\u306f\u4e16\u754c\u6700\u9ad8\u306e88 %\uff09\u3067\u78ba\u8a8d\u3067\u304d\u308b\u3053\u3068\u3092\u5b9f\u8a3c\u3057\u305f\uff0e\u307e\u305f\uff0c\u3053\u306e\u6e2c\u5b9a\u65b9\u6cd5\u3092\u611f\u5149\u6027\u7269\u8cea\u306e\u30a4\u30e1\u30fc\u30b8\u30f3\u30b0\u306b\u5fdc\u7528\u3057\u305f\uff0e<\/p>\n<h6><strong>\u4e3b\u8981\u8ad6\u6587<\/strong><\/h6>\n<ul>\n<li>S. Inoue and G. Bj\u00f6rk, \u201cExperimental Demonstration of Exposure-Free Imaging and Contrast Amplification,\u201d <i>J. Opt. B:Quantum Semiclassical Opt.<\/i> <b>2<\/b> (3), 338-345 (June 2000).<\/li>\n<\/ul>\n<\/section>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u91cf\u5b50\u5149\u5b66\u7814\u7a76\u5ba4\u3067\u306f\u3001\u5149\u306e\u91cf\u5b50\u529b\u5b66\u7684\u306a\u6027\u8cea\u304c\u9855\u8457\u306b\u73fe\u308c\u308b\u300c\u5358\u4e00\u5149\u5b50\u300d\u3084\u300c\u91cf\u5b50\u3082\u3064\u308c\u5149\u5b50\u5bfe\u300d\u3092\u7528\u3044\u305f\u5b9f\u9a13\u7684\u7814\u7a76\u306b\u53d6\u308a\u7d44\u3093\u3067\u3044\u307e\u3059\u3002\u5b9f\u9a13\u306e\u57fa\u790e\u3068\u306a\u308b\u306e\u306f\u3001\u91cf\u5b50\u3082\u3064\u308c\u5149\u5b50\u5bfe\u306e\u751f\u6210\u3068\u305d\u306e\u691c\u51fa\u6280\u8853\uff08\u5358\u4e00\u5149\u5b50\u691c\u51fa\u30fb\u5149\u5b50\u6570\u8b58\u5225\uff09\u3067\u3059\u3002\u3053 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_locale":"","_original_post":""},"_links":{"self":[{"href":"https:\/\/www.quant-ph.cst.nihon-u.ac.jp\/qog-nu\/index.php?rest_route=\/wp\/v2\/pages\/12"}],"collection":[{"href":"https:\/\/www.quant-ph.cst.nihon-u.ac.jp\/qog-nu\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.quant-ph.cst.nihon-u.ac.jp\/qog-nu\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.quant-ph.cst.nihon-u.ac.jp\/qog-nu\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.quant-ph.cst.nihon-u.ac.jp\/qog-nu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=12"}],"version-history":[{"count":3,"href":"https:\/\/www.quant-ph.cst.nihon-u.ac.jp\/qog-nu\/index.php?rest_route=\/wp\/v2\/pages\/12\/revisions"}],"predecessor-version":[{"id":392,"href":"https:\/\/www.quant-ph.cst.nihon-u.ac.jp\/qog-nu\/index.php?rest_route=\/wp\/v2\/pages\/12\/revisions\/392"}],"wp:attachment":[{"href":"https:\/\/www.quant-ph.cst.nihon-u.ac.jp\/qog-nu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}