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<div class="ss"><div><span>导读： </span>据麻省理工《技术评论》网站近日报道，美国普林斯顿大学的科研团队研制出了全球首枚硅光子神经形态芯片，并证明其能将运算速度提高近2000倍。</div> </div> <!--[diy=diysummarybottom]--><div id="diysummarybottom" class="area"></div><!--[/diy]--> <div class="d"> <!--[diy=diycontenttop]--><div id="diycontenttop" class="area"></div><!--[/diy]--> <table cellpadding="0" cellspacing="0" class="vwtb"><tr><td id="article_content"><div> 国外团队开发出世界首个光<a href="http://electronic.oecr.com" target="_blank" class="relatedlink">电子</a>神经形态芯片！据麻省理工《技术评论》网站近日报道，美国普林斯顿大学的科研团队研制出了全球首枚硅光子神经形态芯片，并证明其能将运算速度提高近2000倍。</div><div><br></div><div><p style="text-align: center;"><a href="data/attachment/portal/201702/10/112642qkd1xk8ek1zdwkw8.jpg" target="_blank"><img src="data/attachment/portal/201702/10/112642qkd1xk8ek1zdwkw8.jpg"></a></p></div><div><br></div><div> 科研团队将这种新型芯片的每一个节点以微型圆形波导的形式蚀刻进一个硅基座内，使光可在其中循环。当光被输入节点，就会调制在节点阈值处工作的<a href="http://laser.oecr.com" target="_blank" class="relatedlink">激光</a>器的输出，而激光的输出会被反馈回节点，从而创造出一个拥有非线性特征的反馈<a href="http://electronic.oecr.com" target="_blank" class="relatedlink">电路</a>。关于这种非线性能模拟神经行为的程度，研究人员已证明其输出在数学上等效于“连续时间递归神经网络”。研究人员使用由49个光子节点组成的芯片网络对神经网络进行了模拟演示，并将其用于解决微分方程的数学问题，发现相较于普通的CPU，这种硅光子神经形态芯片能将运算速度提升1960倍。<span style="line-height: 1.8em;">这项成果使得神经形态芯片的速度得到了显著提升，有助于推动面部识别、对象识别、自然语言处理、机器翻译等人工智能技术应用的发展。</span></div><div><span style="line-height: 1.8em;"><br></span></div><div><p style="text-align: center;"><a href="data/attachment/portal/201702/10/112656u2exqkueua2wenxk.jpg" target="_blank"><img src="data/attachment/portal/201702/10/112656u2exqkueua2wenxk.jpg"></a></p><p style="text-align: center;"><br></p><p style="text-align: center;"><span style="line-height: 25.2px;">欢迎关注光电<a href="http://news.oecr.com" target="_blank" class="relatedlink">资讯</a>微信公众号，每天将由光电工程师<a href="http://club.oecr.com" target="_blank" class="relatedlink">社区</a>网站(oecr.com)编辑团队为您精选行业动态，科技资讯，技术解析，光电<a href="http://www.oecr.com/portal.php?mod=list&catid=62" target="_blank" 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class="xg1 xw0">2017-2-10 22:37</span> </dt> <dd>支持你哈...................................</dd> </dl><a name="comment_anchor_10882"></a> <dl id="comment_10882_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(10882, '5342');">引用</a> </span> <a href="http://club.oecr.com/space-uid-36957.html" class="xi2 xw1" c="1">神话</a> <span class="xg1 xw0">2017-2-10 18:06</span> </dt> <dd>刚入门，学习来了。</dd> </dl><a name="comment_anchor_10881"></a> <dl id="comment_10881_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(10881, '5342');">引用</a> </span> <a href="http://club.oecr.com/space-uid-12540.html" class="xi2 xw1" c="1">calvin</a> <span class="xg1 xw0">2017-2-10 17:36</span> </dt> <dd>还是学生呢，我很感兴趣。</dd> </dl><a name="comment_anchor_10874"></a> <dl id="comment_10874_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a 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