{"id":252346,"date":"2023-06-28T06:33:41","date_gmt":"2023-06-27T22:33:41","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=252346"},"modified":"2023-06-27T20:34:35","modified_gmt":"2023-06-27T12:34:35","slug":"science%ef%bc%9a%e5%85%b7%e6%9c%89%e8%b6%85%e8%bf%87500%e5%90%89%e8%b5%ab%e5%85%b9%e5%b8%a6%e5%ae%bd%e7%9a%84%e8%b6%85%e6%9d%90%e6%96%99%e7%9f%b3%e5%a2%a8%e7%83%af%e5%85%89%e7%94%b5%e6%8e%a2%e6%b5%8b","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=252346","title":{"rendered":"Science\uff1a\u5177\u6709\u8d85\u8fc7500\u5409\u8d6b\u5179\u5e26\u5bbd\u7684\u8d85\u6750\u6599\u77f3\u58a8\u70ef\u5149\u7535\u63a2\u6d4b\u5668"},"content":{"rendered":"

01. \u5bfc\u8bfb<\/h2>\n

\u77f3\u58a8\u70ef\u5df2\u7ecf\u5b9e\u73b0\u4e86\u8bb8\u591a\u6700\u521d\u9884\u6d4b\u7684\u7279\u6027\uff0c\u5e76\u4e14\u6b63\u671d\u7740\u5e02\u573a\u8fc8\u8fdb\u3002\u7136\u800c\uff0c\u5c3d\u7ba1\u9884\u6d4b\u7684\u5e02\u573a\u5f71\u54cd\u5de8\u5927\uff0c\u57fa\u4e8e\u77f3\u58a8\u70ef\u7684\u9ad8\u6027\u80fd\u7535\u5b50\u548c\u5149\u5b50\u5b66\u4ecd\u7136\u843d\u540e\u3002\u5c3d\u7ba1\u5982\u6b64\uff0c\u5df2\u7ecf\u62a5\u9053\u4e86\u4e00\u4e9b\u4ee4\u4eba\u5370\u8c61\u6df1\u523b\u7684\u5149\u7535\u5b50\u5668\u4ef6\u6f14\u793a\uff0c\u6d89\u53ca\u8c03\u5236\u5668\u3001\u6df7\u9891\u5668\u548c\u5149\u7535\u63a2\u6d4b\u5668\uff08PDs\uff09\uff0c\u7279\u522b\u662f\u5229\u7528\u77f3\u58a8\u70ef\u7684\u9ad8\u8f7d\u6d41\u5b50\u8fc1\u79fb\u7387\u3001\u53ef\u8c03\u7535\u5b66\u7279\u6027\u548c\u76f8\u5bf9\u5bb9\u6613\u96c6\u6210\u7684\u77f3\u58a8\u70ef\u5149\u7535\u63a2\u6d4b\u5668\u5df2\u7ecf\u5f97\u5230\u4e86\u8bc1\u660e\uff0c\u4f8b\u5982\u5c55\u793a\u4e86\u5229\u7528\u5149\u589e\u76ca\u6548\u5e94\u7684\u9ad8\u54cd\u5e94\u5ea6\u6216\u8d85\u8fc7100 GHz\u7684\u5e26\u5bbd\u3002\u4ece\u7d2b\u5916\u7ebf\u5230\u8fdc\u7ea2\u5916\u7ebf\u4e4b\u95f4\uff0c\u5c3d\u7ba1\u77f3\u58a8\u70ef\u51e0\u4e4e\u5177\u6709\u5747\u5300\u5438\u6536\u7279\u6027\uff0c\u4f46\u5176\u76f8\u5bf9\u4f4e\u7684\u5438\u6536\u7387\u7ea6\u4e3a2.3%\uff0c\u8fd9\u662f\u5176\u4e2d\u4e00\u4e2a\u4e3b\u8981\u6311\u6218\u3002\u56e0\u6b64\uff0c\u5927\u591a\u6570\u901f\u5ea6\u6700\u5feb\u3001\u6027\u80fd\u6700\u4f73\u7684\u63a2\u6d4b\u5668\u90fd\u662f\u5728\u7845\u6216\u7845\u5316\u7269\u7b49\u5149\u5b50\u96c6\u6210\u7535\u8def\uff08PIC\uff09\u5e73\u53f0\u4e0a\u8fdb\u884c\u6f14\u793a\u7684\u3002\u901a\u8fc7\u77f3\u58a8\u70ef\u7684\u7535\u573a\u7684\u5e73\u884c\u4f20\u64ad\uff0c\u53ef\u4ee5\u63d0\u4f9b\u66f4\u957f\u7684\u76f8\u4e92\u4f5c\u7528\u957f\u5ea6\uff0c\u4ece\u800c\u589e\u52a0\u5438\u6536\u7387\u3002\u901a\u8fc7\u4f7f\u7528\u7b49\u79bb\u5b50\u4f53\u589e\u5f3a\u6280\u672f\uff0c\u751a\u81f3\u53ef\u4ee5\u5b9e\u73b0\u66f4\u77ed\u548c\u66f4\u654f\u611f\u7684\u63a2\u6d4b\u5668\u3002\u5c3d\u7ba1\u5728\u5149\u5b50\u96c6\u6210\u7535\u8def\u4e0a\u4f7f\u7528\u77f3\u58a8\u70ef\u5df2\u7ecf\u5c55\u793a\u4e86\u591a\u79cd\u529f\u80fd\u5e94\u7528\uff0c\u4f46\u5149\u5b50\u96c6\u6210\u7535\u8def\u7684\u6574\u5408\u4e5f\u6709\u5176\u4ee3\u4ef7\u3002\u5149\u5b50\u96c6\u6210\u7535\u8def\u7684\u6574\u5408\u9650\u5236\u4e86\u53ef\u8bbf\u95ee\u7684\u6ce2\u957f\u8303\u56f4\uff0c\u65e0\u8bba\u662f\u7531\u4e8e\u6ce2\u5bfc\u6750\u6599\uff08\u5982Si\uff09\u7684\u900f\u660e\u5ea6\u9650\u5236\uff0c\u8fd8\u662f\u7531\u4e8e\u96c6\u6210\u5149\u5b66\u7535\u8def\u5143\u4ef6\uff08\u5982\u5149\u6805\u8026\u5408\u5668\u3001\u5206\u5149\u5668\u7b49\uff09\u7684\u6709\u9650\u5e26\u5bbd\u3002\u6b64\u5916\uff0c\u5149\u5b50\u96c6\u6210\u7535\u8def\u7684\u6574\u5408\u5bf9\u504f\u632f\u4f9d\u8d56\u6027\u548c\u5360\u5730\u9762\u79ef\u90fd\u6709\u4e00\u5b9a\u7684\u9650\u5236\uff0c\u8fd9\u662f\u7531\u4e8e\u8bbf\u95ee\u6ce2\u5bfc\u7684\u539f\u56e0\u3002\u5149\u5b50\u96c6\u6210\u7535\u8def\u7684\u6a21\u5f0f\u548c\u7b49\u79bb\u5b50\u4f53\u589e\u5f3a\u4e5f\u610f\u5473\u7740\u6240\u6709\u5149\u7ebf\u53ea\u4e0e\u77f3\u58a8\u70ef\u7684\u4e00\u4e2a\u975e\u5e38\u6709\u9650\u7684\u4f53\u79ef\u76f8\u4e92\u4f5c\u7528\uff0c\u5bfc\u81f4\u65e9\u671f\u9971\u548c\u7684\u53d1\u751f\uff0c\u6709\u6548\u5730\u5c06\u6700\u5927\u53ef\u63d0\u53d6\u7684\u5149\u7535\u6d41\u9650\u5236\u5728\u5fae\u5b89\u7ea7\u522b\u3002\u4f5c\u4e3a\u4e00\u79cd\u66ff\u4ee3\u65b9\u6848\uff0c\u53ef\u4ee5\u76f4\u63a5\u4ece\u81ea\u7531\u7a7a\u95f4\u5782\u76f4\u7167\u5c04\u77f3\u58a8\u70ef\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5145\u5206\u5229\u7528\u77f3\u58a8\u70ef\u7684\u5149\u7535\u68c0\u6d4b\u80fd\u529b\uff0c\u800c\u4e0d\u4f1a\u53d7\u5230\u6240\u9009\u62e9\u5149\u5b50\u5e73\u53f0\u7684\u9650\u5236\u3002\u7136\u800c\uff0c\u8fd9\u9700\u8981\u4e00\u79cd\u7ed3\u6784\u6765\u6709\u6548\u589e\u5f3a\u77f3\u58a8\u70ef\u7684\u5438\u6536\u3002\u6b64\u5916\uff0c\u7531\u4e8e\u5668\u4ef6\u5c3a\u5bf8\u8f83\u5927\uff0c\u5bf9\u6574\u4f53\u5668\u4ef6\u51e0\u4f55\u7ed3\u6784\u548c\u63a5\u89e6\u65b9\u6848\u7684\u989d\u5916\u8003\u8651\u66f4\u52a0\u5173\u952e\u3002\u5c3d\u7ba1\u5982\u6b64\uff0c\u5df2\u7ecf\u8bc1\u660e\u5373\u4f7f\u662f\u4e0e\u81ea\u7531\u7a7a\u95f4\u8026\u5408\u7684\u77f3\u58a8\u70ef\u63a2\u6d4b\u5668\u4e5f\u53ef\u4ee5\u8fbe\u5230\u8d85\u8fc740 GHz\u7684\u5e26\u5bbd\u3002\u7531\u4e8e\u6ca1\u6709\u5149\u5b50\u96c6\u6210\u7535\u8def\u7684\u4e00\u4e9b\u7ea6\u675f\uff0c\u6574\u4f53\u6548\u7387\u4e0d\u4f1a\u53d7\u5230\u8026\u5408\u65b9\u6848\u7684\u5f71\u54cd\uff0c\u800c\u4e14\u5176\u4ed6\u5c5e\u6027\uff0c\u5982\u4e0d\u540c\u6ce2\u957f\u548c\u504f\u632f\uff0c\u73b0\u5728\u4e5f\u53ef\u4ee5\u81ea\u7531\u8bbf\u95ee\u3002\u4f8b\u5982\uff0c\u6700\u8fd1\u5229\u7528\u4efb\u610f\u504f\u632f\u65b9\u5411\u6765\u6f14\u793a\u4e86\u4e2d\u7ea2\u5916\u533a\u57df\u7684\u6781\u5316\u89e3\u6790\u68c0\u6d4b\u4e2d\u7684\u5b9a\u5411\u5149\u7535\u6d41\u3002<\/p>\n

\u77f3\u58a8\u70ef\u63d0\u4f9b\u4e86\u591a\u79cd\u7269\u7406\u68c0\u6d4b\u6548\u5e94\uff1a\u4e0e\u4f20\u7edf\u7684\u5149\u7535\u63a2\u6d4b\u5668\uff08\u5982PIN\u5149\u7535\u4e8c\u6781\u7ba1\u6216\u73bb\u7483\u70ed\u8ba1\uff09\u53ea\u4f7f\u7528\u4e00\u79cd\u7279\u5b9a\u7684\u68c0\u6d4b\u673a\u5236\u4e0d\u540c\uff0c\u77f3\u58a8\u70ef\u63a2\u6d4b\u5668\u5177\u6709\u591a\u79cd\u4e0d\u540c\u7684\u68c0\u6d4b\u673a\u5236\uff0c\u4f8b\u5982\u57fa\u4e8e\u8f7d\u6d41\u5b50\u7684\u673a\u5236[\u5149\u7535\u5bfc\uff08PC\uff09\u548c\u5149\u4f0f\uff08PV\uff09]\uff0c\u70ed\u673a\u5236[\u73bb\u7483\u70ed\uff08BOL\uff09\u548c\u5149\u70ed\u7535\uff08PTE\uff09]\uff0c\u6216\u8005\u589e\u76ca\u4ecb\u8d28\u8f85\u52a9\u7684\u673a\u5236\u3002\u6700\u8fd1\u7684\u5668\u4ef6\u6f14\u793a\u5df2\u7ecf\u671d\u7740\u5149\u70ed\u7535\u590d\u5408\u64cd\u4f5c\u7684\u65b9\u5411\u63a8\u8fdb\uff0c\u4ee5\u514b\u670d\u4f9d\u8d56\u504f\u7f6e\u68c0\u6d4b\u673a\u5236\u65f6\u7684\u9ad8\u6697\u7535\u6d41\u95ee\u9898\u3002\u5bf9\u77f3\u58a8\u70ef\u7684\u65f6\u95f4\u5206\u8fa8\u5149\u8c31\u6d4b\u91cf\u8868\u660e\uff0c\u8f7d\u6d41\u5b50\u52a8\u529b\u5b66\u53ef\u4ee5\u5b9e\u73b0\u8d85\u8fc7300 GHz\u7684\u70ed\u548c\u57fa\u4e8e\u8f7d\u6d41\u5b50\u7684\u77f3\u58a8\u70ef\u5149\u7535\u63a2\u6d4b\u5668\u3002\u5bf9\u4e8e\u8bbe\u8ba1\u9ad8\u901f\u3001\u9ad8\u6548\u7684\u77f3\u58a8\u70ef\u5149\u7535\u63a2\u6d4b\u5668\u6765\u8bf4\uff0c\u76ee\u524d\u4ecd\u4e0d\u6e05\u695a\u54ea\u79cd\u76f4\u63a5\u68c0\u6d4b\u673a\u5236\uff08PV\u3001PC\u3001BOL\u6216PTE\uff09\u53ef\u4ee5\u5b9e\u73b0\u6700\u9ad8\u7684\u5e26\u5bbd\uff0c\u5e76\u4e14\u8fd9\u4e9b\u6548\u5e94\u4e2d\u7684\u8bb8\u591a\u6548\u5e94\u53ef\u4ee5\u540c\u65f6\u5b58\u5728\u4e8e\u4e00\u4e2a\u5668\u4ef6\u4e2d\uff0c\u4f7f\u5f97\u4e13\u95e8\u7684\u8bbe\u8ba1\u53d8\u5f97\u56f0\u96be\u3002<\/p>\n

02. \u6210\u679c\u63a0\u5f71<\/h2>\n

\u9274\u4e8e\u6b64\uff0c\u745e\u58eb\u82cf\u9ece\u4e16\u8054\u90a6\u7406\u5de5\u5b66\u9662\u7535\u78c1\u573a\u7814\u7a76\u6240Stefan M. Koepfli\u62a5\u9053\u4e86\u4e00\u79cd\u96f6\u504f\u7f6e\u7684\u77f3\u58a8\u70ef\u5149\u7535\u63a2\u6d4b\u5668\uff0c\u5176\u7535\u5149\u5e26\u5bbd\u8d85\u8fc7500 GHz\u3002\u6211\u4eec\u7684\u5668\u4ef6\u5728\u73af\u5883\u6761\u4ef6\u4e0b\u53ef\u4ee5\u8986\u76d6\u8d85\u8fc7200 nm\u7684\u5927\u6ce2\u957f\u8303\u56f4\uff0c\u5e76\u53ef\u9002\u5e94\u5404\u79cd\u4e0d\u540c\u7684\u4e2d\u5fc3\u6ce2\u957f\uff0c\u4ece\u5c0f\u4e8e1400 nm\u5230\u5927\u4e8e4200 nm\u3002\u6750\u6599\u5b8c\u7f8e\u5438\u6536\u5c42\u63d0\u4f9b\u5171\u632f\u589e\u5f3a\u6548\u5e94\uff0c\u540c\u65f6\u5145\u5f53\u7535\u63a5\u89e6\uff0c\u5e76\u5f15\u5165P-N\u63ba\u6742\uff0c\u5b9e\u73b0\u9ad8\u6548\u5feb\u901f\u7684\u8f7d\u6d41\u5b50\u63d0\u53d6\u3002\u5149\u53ef\u4ee5\u901a\u8fc7\u6807\u51c6\u5355\u6a21\u5149\u7ea4\u76f4\u63a5\u8026\u5408\u5230\u63a2\u6d4b\u5668\u4e0a\u3002\u76f4\u63a5\u7684\u81ea\u7531\u7a7a\u95f4\u8026\u5408\u4f7f\u5149\u529f\u7387\u53ef\u4ee5\u5206\u5e03\uff0c\u5bfc\u81f4\u9ad8\u4e8e100 mW\u7684\u9971\u548c\u529f\u7387\u548c\u8d85\u8fc71 W\u7684\u635f\u4f24\u9608\u503c\u3002\u8be5\u63a2\u6d4b\u5668\u5df2\u7ecf\u7ecf\u8fc7\u9ad8\u901f\u64cd\u4f5c\u6d4b\u8bd5\uff0c\u6700\u9ad8\u901f\u7387\u53ef\u8fbe132 Gbit\/s\uff0c\u91c7\u7528\u4e24\u7535\u5e73\u8109\u51b2\u5e45\u5ea6\u8c03\u5236\u683c\u5f0f\uff08PAM-2\uff09\u3002\u591a\u5c42\u7ed3\u6784\u51e0\u4e4e\u53ef\u4ee5\u72ec\u7acb\u4e8e\u57fa\u5e95\u8fdb\u884c\u52a0\u5de5\u5904\u7406\uff0c\u4e3a\u6210\u672c\u6548\u76ca\u9ad8\u7684\u6280\u672f\u5960\u5b9a\u4e86\u57fa\u7840\uff0c\u8be5\u6280\u672f\u53ef\u4ee5\u5b9e\u73b0\u4e0e\u7535\u5b50\u5668\u4ef6\u7684\u7d27\u5bc6\u5355\u7247\u96c6\u6210\u3002\u6211\u4eec\u8fdb\u4e00\u6b65\u5c55\u793a\u4e86\u8be5\u65b9\u6cd5\u7684\u591a\u6837\u6027\uff0c\u901a\u8fc7\u8c03\u6574\u8d85\u6750\u6599\u7684\u51e0\u4f55\u5f62\u72b6\uff0c\u4f7f\u5176\u5728\u4e2d\u7ea2\u5916\u6ce2\u957f\u8303\u56f4\u5185\u5de5\u4f5c\uff0c\u4ece\u800c\u5728\u539f\u672c\u7f3a\u4e4f\u6b64\u7c7b\u63a2\u6d4b\u5668\u7684\u8303\u56f4\u5185\u63d0\u4f9b\u9ad8\u901f\u548c\u6210\u672c\u6548\u76ca\u9ad8\u7684\u63a2\u6d4b\u5668\u3002\u56e0\u6b64\uff0c\u8fd9\u79cd\u65b0\u578b\u4f20\u611f\u5668\u4e3a\u901a\u4fe1\u548c\u611f\u77e5\u5e94\u7528\u63d0\u4f9b\u4e86\u673a\u4f1a\u3002\u76f8\u5173\u7814\u7a76\u6210\u679c\u4ee5\u201cMetamaterial graphene photodetector with bandwidth exceeding 500 gigahertz\u201d\u4e3a\u9898\uff0c\u53d1\u8868\u5728\u9876\u7ea7\u671f\u520a\u300aScience\u300b\u4e0a\u3002<\/p>\n

\"\"<\/p>\n

03. \u6838\u5fc3\u521b\u65b0\u70b9<\/h2>\n

\u672c\u6587\u7684\u6838\u5fc3\u521b\u65b0\u70b9\u5305\u62ec\uff1a<\/p>\n

    \n
  1. \u57fa\u4e8e\u56fe\u5f62\u77f3\u58a8\u70ef\u7684\u5149\u7535\u63a2\u6d4b\u5668\uff1a\u672c\u6587\u63d0\u51fa\u4e86\u4e00\u79cd\u5229\u7528\u5355\u5c42\u77f3\u58a8\u70ef\u7684\u5149\u7535\u63a2\u6d4b\u5668\u3002\u4e0e\u4f20\u7edf\u7684\u5149\u7535\u4e8c\u6781\u7ba1\u6216\u6ce2\u5c14\u8ba1\u53ef\u4ee5\u5229\u7528\u4e00\u79cd\u7279\u5b9a\u7684\u63a2\u6d4b\u673a\u5236\u4e0d\u540c\uff0c\u56fe\u5f62\u77f3\u58a8\u70ef\u63a2\u6d4b\u5668\u5177\u6709\u591a\u79cd\u4e0d\u540c\u7684\u63a2\u6d4b\u673a\u5236\uff0c\u5305\u62ec\u8f7d\u6d41\u5b50\u673a\u5236\u3001\u70ed\u673a\u5236\u548c\u589e\u76ca\u4ecb\u8d28\u8f85\u52a9\u673a\u5236\u3002<\/li>\n
  2. \u7535\u5149\u5e26\u5bbd\uff1a\u672c\u6587\u5c55\u793a\u4e86\u5177\u6709\u5927\u4e8e500 GHz\u7684\u7535\u5149\u5e26\u5bbd\u7684\u56fe\u5f62\u77f3\u58a8\u70ef\u63a2\u6d4b\u5668\u3002\u8fd9\u610f\u5473\u7740\u8be5\u63a2\u6d4b\u5668\u80fd\u591f\u9ad8\u901f\u54cd\u5e94\u5149\u4fe1\u53f7\uff0c\u9002\u7528\u4e8e\u9ad8\u901f\u901a\u4fe1\u548c\u6570\u636e\u4f20\u8f93\u3002<\/li>\n
  3. \u591a\u6ce2\u6bb5\u64cd\u4f5c\u548c\u5bbd\u5149\u8c31\u8303\u56f4\uff1a\u56fe\u5f62\u77f3\u58a8\u70ef\u63a2\u6d4b\u5668\u80fd\u591f\u5728\u591a\u4e2a\u6ce2\u6bb5\u4e0a\u5de5\u4f5c\uff0c\u5e76\u4e14\u5177\u6709\u8d85\u8fc7200 nm\u7684\u5bbd\u5149\u8c31\u8303\u56f4\u3002\u8fd9\u4f7f\u5f97\u8be5\u63a2\u6d4b\u5668\u5728\u901a\u4fe1\u548c\u4f20\u611f\u7b49\u9886\u57df\u5177\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\u6f5c\u529b\u3002<\/li>\n
  4. \u81ea\u7531\u7a7a\u95f4\u8026\u5408\u548c\u7d27\u51d1\u96c6\u6210\uff1a\u672c\u6587\u5c55\u793a\u4e86\u901a\u8fc7\u81ea\u7531\u7a7a\u95f4\u8026\u5408\u7684\u65b9\u5f0f\u5c06\u5149\u4fe1\u53f7\u76f4\u63a5\u8026\u5408\u5230\u63a2\u6d4b\u5668\u4e2d\uff0c\u907f\u514d\u4e86\u5149\u5b50\u96c6\u6210\u7535\u8def\u4e2d\u7684\u9650\u5236\uff0c\u5e76\u4e14\u5b9e\u73b0\u4e86\u7d27\u51d1\u7684\u96c6\u6210\u3002\u8fd9\u4f7f\u5f97\u63a2\u6d4b\u5668\u5177\u6709\u66f4\u597d\u7684\u7075\u6d3b\u6027\u548c\u53ef\u6269\u5c55\u6027\u3002<\/li>\n
  5. \u9ad8\u9971\u548c\u529f\u7387\u548c\u4f4e\u538b\u64cd\u4f5c\uff1a\u56fe\u5f62\u77f3\u58a8\u70ef\u63a2\u6d4b\u5668\u5177\u6709\u9ad8\u9971\u548c\u529f\u7387\uff0c\u80fd\u591f\u62b5\u6d88\u54cd\u5e94\u5ea6\u7684\u5f71\u54cd\u3002\u6b64\u5916\uff0c\u5b83\u8fd8\u80fd\u5728\u4f4e\u7535\u538b\u8303\u56f4\u5185\u8fdb\u884c\u64cd\u4f5c\uff0c\u4e0eCMOS\u6280\u672f\u517c\u5bb9\uff0c\u4f7f\u5f97\u63a2\u6d4b\u5668\u5177\u6709\u66f4\u4f4e\u7684\u529f\u8017\u548c\u66f4\u597d\u7684\u6027\u80fd\u3002<\/li>\n<\/ol>\n

    04. \u6570\u636e\u6982\u89c8<\/h2>\n

    \"\"<\/h2>\n

    \u56fe1. <\/strong>\u95f4\u9694\u5f0f\u77f3\u58a8\u70ef\u8d85\u6750\u6599\u5149\u7535\u63a2\u6d4b\u5668\u7684\u827a\u672f\u89c6\u89d2\u3002\uff08A<\/strong>\uff09\u4ece\u9876\u90e8\u76f4\u63a5\u901a\u8fc7\u5355\u6a21<\/strong>\u5149\u7ea4\u7167\u5c04\u5668\u4ef6\u7684\u827a\u672f\u5316\u8868\u73b0\u3002\uff08B<\/strong>\uff09\u5668\u4ef6\u7ed3\u6784\u7684\u53ef\u89c6\u5316\u3002\u5149\u7535\u63a2\u6d4b\u5668\u7531\u91d1\u53cd\u5c04\u5c42\u80cc\u677f\u3001\u6c27\u5316\u94dd\u95f4\u9694\u5c42\u3001\u5355\u5c42\u77f3\u58a8\u70ef\u548c\u76f8\u8fde\u7684\u5076\u6781\u5b50\u8c10\u632f\u5668\u7ec4\u6210\u3002\u91d1\u5c5e\u7ebf\u5177\u6709\u4ea4\u66ff\u7684\u63a5\u89e6\u91d1\u5c5e\uff0c\u7531\u94f6\u6216\u91d1\u5236\u6210\u3002\u7136\u540e\uff0c\u8be5\u7ed3\u6784\u7531\u6c27\u5316\u94dd\u949d\u5316\u5c42\u5c01\u9876\u3002<\/strong><\/p>\n

    \"\"<\/p>\n

    \u56fe2. <\/strong>\u5236\u5907\u7684\u5668\u4ef6\u548c\u6a21\u62df\u7684\u5149\u5b66\u548c\u7535\u5b50\u884c\u4e3a\u3002\uff08A<\/strong>\u81f3D<\/strong>\uff09\u6240\u63d0\u51fa\u7684\u8d85\u6750\u6599\u77f3\u58a8\u70ef\u5149\u7535\u63a2\u6d4b\u5668\uff08\u949d\u5316\u524d\uff09\u7684\u626b\u63cf\u7535\u5b50\u663e\u5fae\u56fe\uff0c\u653e\u5927\u500d\u6570\u4e0d\u540c\u3002\u663e\u5fae\u56fe\u5c55\u793a\u4e86\u4ece\u7535\u4fe1\u53f7\u7ebf\u5230\u6d3b\u52a8\u533a\u57df\u518d\u5230\u8c10\u632f\u5668\u5143\u4ef6\u7684\u5668\u4ef6\u7ed3\u6784\u3002\u5728\uff08D<\/strong>\uff09\u4e2d\u663e\u793a\u4e86\u56db\u4e2a\u5355\u5143\u683c\uff08\u6bcf\u4e2a\u5355\u5143\u683c\u5927\u5c0f\u4e3a1 mm \u00d7 1 mm<\/strong>\uff09\uff0c\u4f4d\u4e8ex<\/strong>\u548cy<\/strong>\u5750\u6807\u7cfb\u4e2d\u3002\u6bd4\u4f8b\u5c3a\u5206\u522b\u4e3a50<\/strong>mm<\/strong>\uff08A<\/strong>\uff09\uff0c5 mm<\/strong>\uff08B<\/strong>\uff09\u548c1 mm<\/strong>\uff08C<\/strong>\uff09\u3002\uff08E<\/strong>\u81f3G<\/strong>\uff09\u540c\u4e00\u5355\u5143\u683c\u7684\u6a21\u62df\u5149\u5b66\u548c\u9759\u7535\u884c\u4e3a\u3002\u56fe\uff08E<\/strong>\uff09\u4e2d\u5c55\u793a\u4e86\u7535\u78c1\u573a\u5206\u5e03\u4e0b\u7684\u5076\u6781\u5b50\u5929\u7ebf\u884c\u4e3a\uff0c\u56fe\uff08F<\/strong>\uff09\u4e2d\u5c55\u793a\u4e86\u76f8\u5e94<\/strong>\u7684\u5438\u6536\u5206\u5e03\u3002\u5927\u90e8\u5206\u5438\u6536\u90fd\u96c6\u4e2d\u5728\u5076\u6781\u5b50\u8c10\u632f\u5668\u9644\u8fd1\u3002\u56fe\uff08G<\/strong>\uff09\u4e2d\u5c55\u793a\u7684\u6a21\u62df\u63a5\u89e6\u91d1\u5c5e\u5f15\u8d77\u7684\u7535\u52bf\u504f\u79fb\u663e\u793a\u4e86\u7531\u4e8e\u4ea4\u66ff\u63a5\u89e6\u91d1\u5c5e\u800c\u5f15\u8d77\u7684P-N<\/strong>\u63ba\u6742\u3002\u6cbf\u7740\u6bcf\u79cd\u6a21\u62df\u7c7b\u578b\uff08\uff08E<\/strong>\uff09\u81f3<\/strong>\uff08G<\/strong>\uff09\uff09\u7684\u4e2d\u5fc3\u7ebf\uff08y = 1000 nm<\/strong>\uff09\u7684\u6a2a\u622a\u9762\u4f4d\u4e8e\u6bcf\u4e2a\u9762\u677f\u7684\u5e95\u90e8\uff0c\u663e\u793a\u5149\u5b66\u4fe1\u53f7\u548c\u63ba\u6742\u5728\u63a5\u89e6\u533a\u57df\u9644\u8fd1\u6700\u5f3a\u3002<\/strong><\/p>\n

    \"\"<\/p>\n

    \u56fe3. <\/strong>\u7528\u4e8e\u7535\u4fe1\u6ce2\u957f\u7684\u5668\u4ef6\u6027\u80fd\u3002\uff08A<\/strong>\uff09\u7528\u5149\u5b66\u663e\u5fae\u955c\u62cd\u6444\u7684\u5668\u4ef6\u5728\u4e0e\u7535\u5b50\u63a2\u9488\u63a5\u89e6\u65f6\u7684\u9876\u89c6\u56fe\uff08\u9876\u90e8\uff09\u548c\u4fa7\u89c6\u56fe\uff08\u5e95\u90e8\uff09\u56fe\u50cf\u3002\u56fe\u50cf\u663e\u793a\u4e86\u4e0e\u5355\u6a21\u5149\u7ea4\u7684\u76f4\u63a5\u5149\u5b66\u8026\u5408\u3002DC<\/strong>\u8868\u793a\u76f4\u6d41\uff0cRF<\/strong>\u8868\u793a\u5c04\u9891\u3002\uff08B<\/strong>\uff09\u5f52\u4e00\u5316\u7684\u5149\u7535\u54cd\u5e94\u968f\u7167\u5c04\u6ce2\u957f\u53d8\u5316\u7684\u66f2\u7ebf\u56fe\uff0c\u663e\u793a\u4e86\u5171\u632f\u589e\u5f3a\u548c\u5bbd\u5e26\u5de5\u4f5c\u3002FWHM<\/strong>\u8868\u793a\u534a\u5cf0\u5168\u5bbd\u3002\uff08C<\/strong>\uff09\u5149\u8f93\u5165\u529f\u7387\u53d8\u5316\u8303\u56f4\u5185\u63d0\u53d6\u7684\u5149\u7535\u6d41\uff0c\u8303\u56f4\u8de8\u8d8a\u4e86\u4e94\u4e2a\u6570\u91cf\u7ea7\uff08\u9ed1\u7ebf\uff09\u3002\u84dd\u7ebf\u5bf9\u5e94\u4e8e\u5668\u4ef6\u4e0a\u7684\u5149\u529f\u7387\uff08Int.<\/strong>\uff09\uff0c\u800c\u9ed1\u7ebf\u5bf9\u5e94\u4e8e\u5355\u6a21\u5149\u7ea4\u8f93\u51fa\u7684\u529f\u7387\uff08Ext.<\/strong>\uff09\u3002\u54cd\u5e94\u5ea6\u5206\u522b\u4e3aRext<\/sub> = 0.75 mA\/W<\/strong>\u548cRint<\/sub> = 1.57 mA\/W<\/strong>\u3002\uff08D<\/strong>\uff09\u77f3\u58a8\u70ef\u5149\u7535\u63a2\u6d4b\u5668\u57282<\/strong>\u81f3500 GHz<\/strong>\u8303\u56f4\u5185\u7684\u5f52\u4e00\u5316\u9891\u7387\u54cd\u5e94\u3002\u6d4b\u91cf\u7ed3\u679c\u663e\u793a\u5e73\u5766\u7684\u54cd\u5e94\uff0c\u6ca1\u6709\u6eda\u964d\u884c\u4e3a\u3002WR<\/strong>\u4ee3\u8868\u6ce2\u5bfc\u77e9\u5f62\u3002\uff08E<\/strong>\uff09\u4e0d\u540c\u5c04\u9891\u97f3\u8c03\u4e0b\u7684\u5f52\u4e00\u5316\u5c04\u9891\u54cd\u5e94\u968f\u6805\u538b\u7684\u53d8\u5316\u3002\u53d1\u73b0\u7406\u60f3\u7684\u6805\u538b\u5728-2.5 \u00b11 V<\/strong>\u9644\u8fd1\uff0c\u4f7f\u5f97\u54cd\u5e94\u5e73\u5766\uff0c\u8fd9\u5bf9\u5e94\u4e8e\u8f7b\u5fae\u7684P<\/strong>\u63ba\u6742\uff0c\u53ef\u4ee5\u4ece\u5e95\u90e8\u7684\u7535\u963b\u66f2\u7ebf\u4e2d\u770b\u51fa\u3002\u7535\u963b\u66f2\u7ebf\u8fdb\u4e00\u6b65\u663e\u793a\u9760\u8fd10 V<\/strong>\u7684\u72c4\u62c9\u514b\u70b9\u548c\u975e\u5e38\u5c0f\u7684\u6ede\u540e\u884c\u4e3a\uff08\u5728\u56feS2<\/strong>\u4e2d\u8fdb\u4e00\u6b65\u53ef\u89c6\u5316\uff09\u3002\uff08F<\/strong>\uff09\u6d4b\u91cf\u6805\u7535\u538b\u8303\u56f4\u7684\u76f8\u5e94\u6a21\u62df\u7535\u52bf\u5256\u9762\uff0c\u663e\u793a\u4e86\u7406\u60f3\u7684\u6805\u7535\u538b\uff08\u4ee5\u7ea2\u8272\u7a81\u51fa\u663e\u793a\uff09\uff0c\u5bf9\u5e94\u4e8e\u4e24\u4e2a\u63a5\u89e6\u7535\u5e73\u4e2d\u5fc3\u5904\u7684\u63ba\u6742\u3002<\/strong><\/p>\n

    \"\"<\/p>\n

    \u56fe4. <\/strong>\u5149\u8c31\u53ef\u8c03\u6027\u548c\u591a\u5171\u632f\u7ed3\u6784\u3002\uff08A<\/strong>\u81f3C<\/strong>\uff09\u6a21\u62df\uff08A<\/strong>\uff09\u548c\u6d4b\u91cf\uff08B<\/strong>\uff09\u4e0d\u540c\u5143\u4ef6\u5171\u632f\u5668\u957f\u5ea6\u7684\u5149\u8c31\u5438\u6536\uff0c\u5c55\u793a\u4e86\u5143\u4ef6\u7ed3\u6784\u7684\u53ef\u8c03\u6027\u3002\u56fe\u4e2d\u7ed9\u51fa\u4e86\u56db\u4e2a\u793a\u4f8b\u7684\u6781\u5316\u65e0\u5173\u8bbe\u8ba1\u7684\u626b\u63cf\u7535\u5b50\u663e\u5fae\u955c\u56fe\u50cf\uff08C<\/strong>\uff09\uff0c\u5176\u4e2d\u989c\u8272\u5bf9\u5e94\u4e8e\uff08A<\/strong>\uff09\u4e2d\u6240\u793a\u7684\u5171\u632f\u5668\u957f\u5ea6\u523b\u5ea6\u3002\u6bd4\u4f8b\u5c3a\u4e3a1 mm<\/strong>\u3002\uff08D<\/strong>\u81f3G<\/strong>\uff09\u591a\u5171\u632f\u5668\u4ef6\u7684\u6982\u5ff5\u3002\uff08D<\/strong>\uff09\u9488\u5bf91550<\/strong>\u548c2715 nm<\/strong>\u7684\u53cc\u5171\u632f\u5668\u4ef6\u7684\u626b\u63cf\u7535\u5b50\u663e\u5fae\u955c\u56fe\u50cf\u3002\u9876\u90e8\u6bd4\u4f8b\u5c3a\u4e3a1 mm<\/strong>\uff0c\u5e95\u90e8\u6bd4\u4f8b\u5c3a\u4e3a5 mm<\/strong>\u3002\uff08E<\/strong>\uff09\u76f8\u5e94\u7684\u7535\u573a\u6a21\u62df\uff0c\u4f7f\u75283<\/strong>\u4e2a\u5355\u5143\u5355\u5143\u683c\u4e58\u4ee52<\/strong>\u4e2a\u5355\u5143\u5355\u5143\u683c\u7684\u53cc\u5171\u632f\u5668\u4ef6\uff0c\u6fc0\u53d1\u6ce2\u957f\u5206\u522b\u4e3a1550<\/strong>\u548c2715 nm<\/strong>\uff0c\u663e\u793a\u4e86\u4e24\u4e2a\u4e0d\u540c\u5c3a\u5bf8\u5171\u632f\u5668\u7684\u6e05\u6670\u5076\u6781\u5b50\u884c\u4e3a\u3002\uff08F<\/strong>\uff09\u5668\u4ef6\u4e0a\u7684\u5149\u7535\u6d41\u4e0e\u5149\u529f\u7387\u7684\u5173\u7cfb\u56fe\u548c\uff08G<\/strong>\uff09\u4e24\u4e2a\u6ce2\u957f\u7684\u6d4b\u91cf\u54cd\u5e94\u5ea6\u4e0e\u7535\u538b\u7684\u5173\u7cfb\u56fe\u3002<\/strong><\/p>\n

    05. \u6210\u679c\u542f\u793a<\/h2>\n

    \u6211\u4eec\u5c55\u793a\u76842 GHz\u81f3500 GHz\u4ee5\u4e0a\u7684\u7535\u5149\u5e26\u5bbd\u5149\u7535\u63a2\u6d4b\u5668\u4e0e\u4f20\u7edf\u7684PIN\u5149\u7535\u63a2\u6d4b\u5668\u6280\u672f\u548c\u5355\u5411\u8f7d\u6d41\u5b50\u5149\u7535\u4e8c\u6781\u7ba1\u76f8\u5ab2\u7f8e\u3002\u5782\u76f4\u5165\u5c04\u7684\u5143\u4ef6\u7ed3\u6784\u56fe\u5f62PD\u5728\u5355\u4e2a\u5668\u4ef6\u4e2d\u5145\u5206\u53d1\u6325\u4e86\u56fe\u5f62\u7684\u9884\u671f\u4f18\u52bf\u3002\u4ece\u6982\u5ff5\u4e0a\u8bb2\uff0c\u8be5\u63a2\u6d4b\u5668\u7684\u6027\u80fd\u5229\u7528\u4e86\u5143\u4ef6\u5438\u6536\u589e\u5f3a\u3001\u901a\u8fc7\u56fe\u5f62-\u91d1\u5c5e\u63a5\u89e6\u63ba\u6742\u7684\u5185\u7f6e\u7535\u573a\u3001\u901a\u8fc7\u9759\u7535\u95e8\u5b9e\u73b0\u7684\u826f\u597d\u63a7\u5236\u7684\u5de5\u4f5c\u70b9\u4ee5\u53ca\u5316\u5b66\u6c14\u76f8\u6c89\u79ef\u751f\u957f\u7684\u56fe\u5f62\u7684\u6709\u6548\u5c01\u88c5\u3002\u63a2\u6d4b\u5668\u4f9d\u8d56\u4e8e\u76f8\u5bf9\u7b80\u5355\u7684\u91d1\u5c5e-\u7edd\u7f18\u4f53-\u56fe\u5f62-\u91d1\u5c5e-\u7edd\u7f18\u4f53\u7684\u5c42\u72b6\u7ed3\u6784\uff0c\u8fd9\u79cd\u7ed3\u6784\u6f5c\u5728\u5730\u53ef\u4ee5\u5728\u51e0\u4e4e\u4efb\u4f55\u886c\u5e95\u4e0a\u8fdb\u884c\u540e\u5904\u7406\uff0c\u5e76\u652f\u6301\u4e0e\u73b0\u6709\u7ed3\u6784\u7684\u9ad8\u5ea6\u5bc6\u96c6\u7684\u5355\u7247\u96c6\u6210\uff0c\u7c7b\u4f3c\u4e8e\u7b49\u79bb\u5b50\u4f53\u8c03\u5236\u5668\u7684\u793a\u4f8b\u3002\u4e0e\u5927\u591a\u6570\u5148\u524d\u5173\u4e8e\u56fe\u5f62\u63a2\u6d4b\u5668\u7684\u5de5\u4f5c\u4e0d\u540c\uff0c\u6211\u4eec\u5c55\u793a\u4e86\u5728\u65e0\u51b7\u5374\u6761\u4ef6\u4e0b\u7684\u7a7a\u6c14\u7a33\u5b9a\u64cd\u4f5c\uff0c\u4f7f\u7528\u4e86\u4e0e\u4e92\u8865\u91d1\u5c5e\u6c27\u5316\u7269\u534a\u5bfc\u4f53\uff08CMOS\uff09\u517c\u5bb9\u7684\u4f4e\u7535\u538b\u8303\u56f4\u7684\u6805\u538b\uff0c\u8fd9\u662f\u7531\u4e8e\u76f4\u63a5\u751f\u957f\u7684\u5c01\u88c5\u5c42\u7ed3\u6784\u4e0e\u5e95\u90e8\u7edd\u7f18\u4f53\u8bbe\u8ba1\u7684\u7ed3\u5408\u6548\u679c\u6240\u81f4\u3002\u901a\u8fc7\u8fd9\u4e9b\u5668\u4ef6\uff0c\u6211\u4eec\u5c55\u793a\u4e86132 Gbit\/s\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u8fd9\u662f\u8fc4\u4eca\u4e3a\u6b62\u5df2\u77e5\u7684\u6700\u9ad8\u901f\u5ea6\u7684\u56fe\u5f62\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002\u9ad8\u9971\u548c\u529f\u7387\u4f7f\u5f97\u9ad8\u901f\u68c0\u6d4b\u6210\u4e3a\u53ef\u80fd\u3002\u5728\u53d7\u5230\u5c04\u51fb\u566a\u58f0\u9650\u5236\u7684\u901a\u4fe1\u7cfb\u7edf\u4e2d\uff0c\u9ad8\u9971\u548c\u529f\u7387\u53ef\u4ee5\u62b5\u6d88\u9002\u5ea6\u7684\u54cd\u5e94\u5ea6\uff0c\u56e0\u4e3a\u4fe1\u566a\u6bd4\u4e0e\u54cd\u5e94\u5ea6\u548c\u8f93\u5165\u529f\u7387\u6210\u6b63\u6bd4\u3002\u6b64\u5916\uff0c\u9002\u5ea6\u7684\u54cd\u5e94\u5ea6\u53ef\u4ee5\u6539\u5584\u3002\u4ee5\u524d\u7684\u81ea\u7531\u7a7a\u95f4\u7167\u660e\u7684\u56fe\u5f62\u5149\u7535\u63a2\u6d4b\u5668\u4f9d\u8d56\u4e8e\u8f7d\u6d41\u5b50\u500d\u589e\u6216\u57fa\u4e8e\u5265\u79bb\u7684\u591a\u5c42\u56fe\u5f62\u800c\u8fbe\u5230\u4e86\u66f4\u9ad8\u7684\u54cd\u5e94\u5ea6\uff0c\u800c\u6ca1\u6709\u4efb\u4f55\u5149\u5b66\u589e\u5f3a\u3002\u56e0\u6b64\uff0c\u8fd8\u6709\u5f88\u5927\u7684\u7a7a\u95f4\u6765\u5171\u540c\u52aa\u529b\u8fdb\u4e00\u6b65\u5b8c\u5584\u8fd9\u4e2a\u6982\u5ff5\uff0c\u6539\u8fdb\u5236\u9020\u5de5\u827a\uff0c\u5e76\u5b9e\u73b0\u66f4\u9ad8\u8d28\u91cf\u7684\u56fe\u5f62\u6750\u6599\u3002\u8fd9\u4e9b\u52aa\u529b\u5f88\u53ef\u80fd\u4f1a\u5bfc\u81f4\u65b0\u4e00\u4ee3\u7684\u57fa\u4e8e\u56fe\u5f62\u7684\u63a2\u6d4b\u5668\uff0c\u5177\u6709\u8db3\u591f\u7684\u54cd\u5e94\u5ea6\u3002\u6700\u540e\uff0c\u5927\u4e8e500 GHz\u7684\u9ad8\u5e26\u5bbd\u548c\u56fe\u5f62\u7684\u6ce2\u957f\u65e0\u5173\u5438\u6536\u4f7f\u5f97\u63a2\u6d4b\u5668\u53ef\u4ee5\u5728\u4ece1400 nm\u52304200 nm\u53ca\u66f4\u8fdc\u7684\u8303\u56f4\u5185\u7684\u4efb\u4f55\u6ce2\u957f\u4e0a\u5de5\u4f5c\u3002\u8fd9\u5bf9\u4e8e\u4f20\u611f\u548c\u901a\u4fe1\u90fd\u662f\u76f8\u5173\u7684\u3002\u4f8b\u5982\uff0c\u5728\u7535\u4fe1\u9886\u57df\uff0c\u6301\u7eed\u589e\u957f\u7684\u6570\u636e\u9700\u6c42\u5bfc\u81f4\u4e86\u5bf9\u65b0\u901a\u4fe1\u9891\u6bb5\u7684\u5f3a\u70c8\u9700\u6c42\u3002\u8fd9\u79cd\u5177\u6709\u7d27\u51d1\u5c3a\u5bf8\u548c\u4e0eCMOS\u96c6\u6210\u80fd\u529b\u7684\u65b0\u578b\u63a2\u6d4b\u5668\u53ef\u80fd\u80fd\u591f\u6ee1\u8db3\u5f53\u524d\u8feb\u5207\u9700\u6c42\u3002<\/p>\n

     <\/p>\n

    \u539f\u6587\u8be6\u60c5\uff1a<\/p>\n

    Metamaterial graphene photodetector with bandwidth exceeding 500 gigahertz<\/p>\n

    Stefan M. Koepfli, Michael Baumann, Yesim Koyaz, Robin Gadola, Arif Gngr, Killian Keller, Yannik Horst, ShadiNashashibi, Raphael Schwanninger, Michael Doderer, Elias Passerini, Yuriy Fedoryshyn, and Juerg Leuthold.Science, 380 (6650), DOI: 10.1126\/science.adg8017.<\/p>\n

    \u672c\u6587\u7531Andy\u4f9b\u7a3f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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