{"id":21455,"date":"2015-06-03T00:11:03","date_gmt":"2015-06-02T16:11:03","guid":{"rendered":"https:\/\/case.ntu.edu.tw\/blog\/?p=21455"},"modified":"2018-08-01T15:52:11","modified_gmt":"2018-08-01T07:52:11","slug":"%e3%80%90%e5%b0%96%e7%ab%af%e7%a7%91%e6%8a%80%e3%80%91%e7%95%b6%e7%a9%8d%e9%ab%94%e9%9b%bb%e8%b7%af%e8%b5%b0%e5%88%b0%e6%a5%b5%e9%99%90%e7%9a%84%e6%99%82%e5%80%99%ef%bc%8c%e4%b8%8d%e5%a6%82%e8%a9%a6","status":"publish","type":"post","link":"https:\/\/case.ntu.edu.tw\/blog\/?p=21455","title":{"rendered":"\u3010\u7a4d\u9ad4\u5149\u8def\u7cfb\u5217\u4e00\u3011\u7576\u7a4d\u9ad4\u96fb\u8def\u8d70\u5230\u6975\u9650\u7684\u6642\u5019\uff0c\u4e0d\u5982\u8a66\u8a66\u770b\u7a4d\u9ad4\u300c\u5149\u8def\u300d\u5427\uff01"},"content":{"rendered":"

\u25a0\u5229\u7528\u937a\u767c\u5149\u7684\u534a\u5c0e\u9ad4\u96f7\u5c04\u662f\u5426\u6703\u662f\u7a4d\u9ad4\u5149\u8def\u7684\u95dc\u9375\u6280\u8853\u4e4b\u4e00\u5462\uff1f<\/strong><\/span><\/p>\n

\"646311\"
Credit: Forschungszentrum J\u00fclich<\/figcaption><\/figure>\n

\u64b0\u6587\uff5c<\/strong>\u65b9\u7a0b\u6bc5<\/p>\n

\u7a4d\u9ad4\u96fb\u8def\u662f\u4e00\u500b\u7576\u4ee3\u4eba\u518d\u719f\u6089\u4e0d\u904e\u7684\u540d\u8a5e\uff0c\u6211\u5011\u80fd\u4eab\u53d7\u9019\u9ebc\u4fbf\u6377\u53c8\u9ad8\u79d1\u6280\u7684\u751f\u6d3b\u8ddf\u8fd1\u5e7e\u5341\u5e74\u7a4d\u9ad4\u96fb\u8def\u7684\u767c\u5c55\u812b\u4e0d\u4e86\u95dc\u4fc2\u3002\u7a4d\u9ad4\u96fb\u8def\u5c31\u662f\u5229\u7528\u534a\u5c0e\u9ad4\u88fd\u7a0b\u5728\u77fd\u6676\u5713\u4e0a\u88fd\u4f5c\u51fa\u975e\u5e38\u5fae\u5c0f\u7684\u908f\u8f2f\u96fb\u8def\uff0c\u8b93\u96fb\u5b50\u80fd\u5920\u5728\u6676\u7247\u88e1\u50b3\u8f38\u8a0a\u865f\u6216\u9032\u884c\u904b\u7b97\u3002\u7a4d\u9ad4\u96fb\u8def\u7684\u597d\u8655\u4e09\u5929\u4e09\u591c\u4e5f\u8aaa\u4e0d\u5b8c\uff0c\u4f46\u7528\u96fb\u5b50\u50b3\u8f38\u8a0a\u865f\u5728\u901f\u5ea6\u53ca\u983b\u5bec\u4e0a\u7d42\u7a76\u6709\u5176\u6975\u9650\uff0c\u76ee\u524d\u4eba\u985e\u79d1\u6280\u5df2\u7d93\u53ef\u4ee5\u770b\u5230\u9019\u689d\u9053\u8def\u7684\u76e1\u982d(\u96d6\u7136\u9084\u6c92\u8d70\u5230\uff0c\u4f46\u7e3d\u8981\u672a\u96e8\u7da2\u7e46)\uff0c\u56e0\u6b64\u7814\u767c\u4e0b\u4e00\u4e16\u4ee3\u7684\u65b0\u6280\u8853\u53ef\u4ee5\u8aaa\u662f\u52e2\u5728\u5fc5\u884c\u3002<\/p>\n

\u76ee\u524d\u5b78\u754c\u53ca\u696d\u754c\u7684\u666e\u904d\u5171\u8b58\u5c31\u662f\u5229\u7528\u5149\u4f86\u505a\u8a0a\u865f\u50b3\u8f38\u53ca\u904b\u7b97\uff0c\u5149\u8ddf\u96fb\u6bd4\u8d77\u4f86\u53ef\u627f\u8f09\u7684\u983b\u5bec\u66f4\u5bec\u3001\u8cc7\u6599\u50b3\u8f38\u7684\u901f\u5ea6\u4e5f\u66f4\u5feb(\u4e00\u822c\u8a8d\u70ba\u8cc7\u6599\u50b3\u8f38\u901f\u7387\u8d85\u904e10Gb\/s\u5c31\u662f\u5149\u5360\u512a\u52e2\u4e86)\u3002\u5229\u7528\u5149\u50b3\u8f38\u8cc7\u6599\u5404\u4f4d\u8b80\u8005\u4e00\u5b9a\u4e0d\u964c\u751f\uff0c\u5149\u7e96\u50b3\u8f38\u5927\u5bb6\u4e00\u5b9a\u90fd\u807d\u904e\uff0c\u4f46\u5149\u7e96\u7562\u7adf\u662f\u5927\u5c3a\u5ea6\u3001\u9577\u8ddd\u96e2\u7684\u50b3\u8f38\uff0c\u8981\u50cf\u7a4d\u9ad4\u96fb\u8def\u4e00\u822c\uff0c\u628a\u5149\u8def\u50cf\u96fb\u8def\u4e00\u822c\u6574\u5408\u5230\u6676\u7247\u4e0a\uff0c\u5c31\u4e0d\u662f\u4e00\u4ef6\u5bb9\u6613\u7684\u4e8b\u4e86\u3002<\/p>\n

\u5e78\u904b\u7684\u662f\uff0c\u7a4d\u9ad4\u5149\u8def\u4f9d\u7136\u662f\u5229\u7528\u77fd\u6676\u5713(\u901a\u5e38\u5149\u5b78\u901a\u8a0a\u50b3\u8f38\u6ce2\u9577\u70ba1310nm\u53ca1550nm\uff0c\u77fd\u5c0d\u9019\u5169\u500b\u6ce2\u6bb5\u90fd\u662f\u900f\u660e\u7121\u5438\u6536\u7684\uff0c\u56e0\u6b64\u53ef\u4ee5\u7528\u4f86\u50b3\u9001\u5149\u5b50)\uff0c\u4eba\u985e\u5728\u77fd\u5de5\u696d\u4e0a\u767c\u5c55\u9019\u9ebc\u4e45\u7684\u7d93\u9a57\u53ca\u77e5\u8b58\u90fd\u53ef\u4ee5\u5ef6\u7e8c\u5230\u7a4d\u9ad4\u5149\u8def\u4e0a\uff0c\u5149\u8def\u4e0a\u7684\u6536\u767c\u5668(transceiver)\u3001\u8abf\u8b8a\u5668(modulator)\u3001\u653e\u5927\u5668(amplifier)\u6216\u5075\u6e2c\u5668\u7b49\u7b49(detector)\u90fd\u53ef\u4ee5\u5229\u7528\u73fe\u6709\u4e14\u76f8\u7576\u6210\u719f\u7684\u534a\u5c0e\u9ad4\u88fd\u7a0b\u6280\u8853\u88fd\u9020\u51fa\u4f86\uff0c\u4f46\u6709\u4e00\u6a23\u4e0d\u884c\u2026\u2026<\/p>\n

\u90a3\u5c31\u662f\u6700\u91cd\u8981\u7684\u5149\u6e90\uff01<\/strong><\/span><\/p>\n

\u7528\u5149\u50b3\u8f38\u8cc7\u6599\uff0c\u60f3\u5fc5\u5c31\u9700\u8981\u5149\u6e90\uff0c\u800c\u5149\u6e90\u4f86\u81ea\u534a\u5c0e\u9ad4\u96f7\u5c04\u3002\u77fd\u96d6\u7136\u6709\u6578\u4e0d\u6e05\u7684\u512a\u9ede\u4f46\u56e0\u70ba\u77fd\u662f\u9593\u63a5\u80fd\u9699(indirect band gap)\uff0c\u6240\u4ee5\u5929\u751f\u6c92\u6709\u8fa6\u6cd5\u4f5c\u70ba\u96f7\u5c04\u6750\u6599\uff0c\u73fe\u4eca\u767c\u5c55\u4e2d\u7684\u534a\u5c0e\u9ad4\u96f7\u5c04\u5927\u591a\u70ba\u4e09\u4e94\u65cf\u5316\u5408\u7269\uff0c\u4f8b\u5982InGaAsP\u6216AlGaAs\u7b49\u7b49\uff0c\u9019\u4e9b\u4e09\u4e94\u65cf\u7684\u5316\u5408\u7269\u4e0d\u50c5\u88fd\u5099\u6210\u672c\u9ad8\uff0c\u800c\u4e14\u4e5f\u96e3\u4ee5\u6574\u5408\u9032\u4ee5\u77fd\u70ba\u4e3b\u7684\u534a\u5c0e\u9ad4\u88fd\u7a0b\u4e2d\u3002\u56e0\u6b64\u5982\u4f55\u80fd\u88fd\u9020\u51fa\u4ee5\u56db\u65cf\u5143\u7d20\u70ba\u4e3b\u7684\u96f7\u5c04\u4e00\u76f4\u662f\u56f0\u64fe\u5b78\u754c\u53ca\u696d\u754c\u7684\u5927\u96e3\u984c\u3002<\/p>\n

\u70ba\u4e86\u89e3\u6c7a\u9019\u500b\u554f\u984c\uff0c\u4f4d\u65bc\u5fb7\u570bJ\u00fclich's Peter Gr\u00fcnberg Institute\u7684Detlev Gr\u00fctzmacher\u6559\u6388\u7387\u9818\u7684\u5be6\u9a57\u5ba4\u6700\u8fd1\u6210\u529f\u7814\u767c\u51fa\u4e00\u7a2e\u65b0\u578b\u96f7\u5c04\uff0c\u5176\u4e3b\u8981\u6750\u6599\u70ba\u937a(Ge)\u53ca\u932b(Sn)\uff0c\u9019\u5169\u8005\u77fd\u7686\u540c\u70ba\u56db\u65cf\u5143\u7d20\uff0c\u56e0\u6b64\u6bd4\u4e09\u4e94\u65cf\u5316\u5408\u7269\u66f4\u5bb9\u6613\u6574\u5408\u81f3\u77fd\u534a\u5c0e\u9ad4\u88fd\u7a0b\u5de5\u696d\u4e2d\u3002<\/p>\n

\u4e4b\u6240\u4ee5\u8aaa\u937a\u8f03\u5bb9\u6613\u8207\u77fd\u6574\u5408\u6b63\u662f\u56e0\u70ba\u5169\u8005\u540c\u70ba\u56db\u65cf\u5143\u7d20\uff0c\u937a\u53ef\u4ee5\u5229\u7528\u5316\u5b78\u6c23\u76f8\u6210\u7a4d(Chemical vapor deposition, CVD)\u7684\u6280\u8853\u5728\u77fd\u6676\u5713\u4e0a\u751f\u9577\uff0c\u4e14\u6676\u683c\u5e38\u6578\u53ca\u71b1\u81a8\u8139\u4fc2\u6578\u4e5f\u6bd4\u8f03\u63a5\u8fd1\uff0c\u800c\u4e09\u4e94\u65cf\u5316\u5408\u7269\u537b\u8981\u5229\u7528\u6676\u5713\u5c0d\u6e96\u53ca\u63a5\u5408(wafer bonding)\u6216\u78ca\u6676\u6280\u8853(epitaxial growth)\u624d\u80fd\u8ddf\u77fd\u6574\u5408\uff0c\u6210\u672c\u9ad8\uff0c\u96e3\u5ea6\u4e5f\u9ad8\u3002\u5c31\u7b97\u5229\u7528\u9019\u4e9b\u6280\u8853\u6210\u529f\u5c07\u4e09\u4e94\u65cf\u5316\u5408\u7269\u6574\u5408\u5230\u77fd\u6676\u5713\u4e0a\uff0c\u4e5f\u5e38\u5e38\u56e0\u70ba\u5169\u8005\u4e4b\u9593\u7684\u71b1\u81a8\u8139\u4fc2\u6578\u5dee\u7570\u592a\u5927\u800c\u6e1b\u4f4e\u96f7\u5c04\u7684\u58fd\u547d\u3002<\/p>\n

\u5176\u5be6\u937a\u672c\u8eab\u8ddf\u77fd\u4e00\u6a23\u90fd\u662f\u9593\u63a5\u80fd\u9699\u7121\u6cd5\u767c\u5149\uff0c\u4f46\u5728\u626d\u66f2\u5176\u6676\u683c\u5c0e\u5165\u61c9\u8b8a(strain)\u4e4b\u5f8c\u4fbf\u53ef\u8f49\u70ba\u76f4\u63a5\u80fd\u9699(direct band gap)\uff0c\u76f4\u63a5\u80fd\u9699\u662f\u80fd\u5426\u7522\u751f\u96f7\u5c04\u7684\u6700\u91cd\u8981\u95dc\u9375\u3002Detlev Gr\u00fctzmacher\u6559\u6388\u4fbf\u662f\u5c07\u932b\u53c3\u96dc\u9032\u937a\u4e2d\uff0c\u4f7f\u937a\u8f49\u6210\u76f4\u63a5\u80fd\u9699\uff0c\u7531\u65bc\u540c\u6a23\u90fd\u662f\u56db\u65cf\u5143\u7d20\uff0c\u56e0\u6b64\u932b\u5728\u937a\u4e2d\u7684\u6fc3\u5ea6\u53ef\u4ee5\u9ad8\u905412.5%\u3002\u4e3b\u8981\u9032\u884c\u5be6\u9a57\u7684\u535a\u58eb\u751fRichard Geiger\u8868\u793a\uff1a\u300c\u6709\u80fd\u529b\u5c07\u8d85\u904e10%\u932b\u53c3\u96dc\u9032\u937a\u4e2d\u4e14\u540c\u6642\u4fdd\u6301\u937a\u7684\u5149\u5b78\u7279\u6027\uff0c\u6211\u5011\u662f\u4e16\u754c\u4e0a\u7b2c\u4e00\u500b\u3002\u300d\u9019\u9805\u7814\u7a76\u4e5f\u88ab\u520a\u767b\u5728\u77e5\u540d\u671f\u520aNature Photonics<\/em>\u4e0a\u4e26\u7372\u5f97\u300aPhys.org\u300b\u7db2\u7ad9\u5831\u5c0e\u3002\u96d6\u7136\u9019\u9805\u7814\u7a76\u76f8\u7576\u5177\u7a81\u7834\u6027\uff0c\u4f46\u76ee\u524d\u7684\u96f7\u5c04\u6e2c\u91cf\u53ea\u662f\u572890K\u7684\u4f4e\u6eab\u4e0b\u9032\u884c\uff0c\u9019\u6b3e\u65b0\u578b\u96f7\u5c04\u9084\u6c92\u6709\u8fa6\u6cd5\u5728\u5ba4\u6eab\u6b63\u5e38\u904b\u4f5c\u3002\u6b64\u5916\uff0c\u8981\u5c07\u96f7\u5c04\u61c9\u7528\u5728\u8a0a\u865f\u50b3\u8f38\u5fc5\u9808\u4ef0\u8cf4\u96fb\u6fc0\u767c(electrically pumping)\uff0c\u76ee\u524d\u9019\u6b3e\u96f7\u5c04\u4e5f\u53ea\u5728\u5149\u6fc0\u767c(optically pumping)\u7684\u968e\u6bb5\u3002\u56e0\u6b64\u8ddd\u96e2\u5be6\u969b\u61c9\u7528\u9084\u6709\u5f88\u9577\u7684\u4e00\u6bb5\u8def\u8981\u8d70\u3002<\/p>\n

\u4f46\u53ef\u4ee5\u9810\u898b\u7684\u662f\uff1a\u5229\u7528\u5149\u505a\u70ba\u8cc7\u6599\u50b3\u8f38\uff0c\u4e26\u5c07\u5c3a\u5bf8\u7e2e\u5c0f\u5230\u6676\u7247\u7b49\u7d1a\u662f\u672a\u4f86\u7121\u53ef\u907f\u514d\u7684\u8da8\u52e2\uff0c\u8a31\u591a\u5927\u516c\u53f8\u53ca\u77e5\u540d\u5927\u5b78\u50cfIBM\u3001\u8c9d\u723e\u5be6\u9a57\u5ba4\u53ca\u52a0\u5dde\u67cf\u514b\u840a\u5927\u5b78\u7b49\u7b49\u90fd\u6295\u5165\u8a31\u591a\u8cc7\u6e90\u9032\u884c\u76f8\u95dc\u7684\u6280\u8853\u958b\u767c\uff0c\u6216\u8a31\u5728\u9019\u88cf\u9762\u5f88\u591a\u7d30\u7bc0\u6216\u5c08\u6709\u540d\u8a5e\u4e0d\u90a3\u9ebc\u6dfa\u986f\u6613\u61c2\uff0c\u4f46\u80fd\u6293\u4f4f\u9019\u500b\u5927\u65b9\u5411\u5c31\u5df2\u7d93\u5f88\u8db3\u5920\u4e86\uff0c\u6216\u8a31\u672a\u4f86\u768420\u5e74\u53f0\u7063\u7684\u534a\u5c0e\u9ad4\u7522\u696d\u5c31\u6703\u56e0\u70ba\u9019\u500b\u8da8\u52e2\u7522\u751f\u7ffb\u5929\u8986\u5730\u7684\u8b8a\u5316\u3002<\/p>\n

\u539f\u59cb\u8ad6\u6587\uff1a<\/strong>Wirths, S., R. Geiger, N. von den Driesch, G. Mussler, T. Stoica, S. Mantl, Z. Ikonic et al. \"Lasing in direct-bandgap GeSn alloy grown on Si.\"\u00a0Nature Photonics<\/em>\u00a0(2015).
\n\u53c3\u8003\u8cc7\u6599\u53ca\u5716\u7247\u51fa\u8655\uff1a<\/strong>Scientists construct the first germanium-tin semiconductor laser for silicon chips<\/a><\/p>\n

--<\/strong><\/span>
\u4f5c\u8005\uff1a\u65b9\u7a0b\u6bc5 \u79d1\u6559\u4e2d\u5fc3\u7279\u7d04\u5beb\u624b\uff0c\u5f9e\u4e8b\u79d1\u666e\u6587\u7ae0\u5beb\u4f5c\u3002<\/strong><\/span><\/p>\n

 <\/p>\n

\"\u52a0\u5165\u597d\u53cb\"<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

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