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type="text/css"></style> <div id="ct" class="ct2 wp cl"> <div class="mn"> <div class="bm_haa cl"> <div class="bm_h cl"> <a href="http://www.oecr.com/portal.php?mod=rss&catid=60" class="y xi2 rss" target="_blank" title="RSS">订阅</a><h1 class="xs2">文章</h1> </div></div> <div class="kjkjb"> <div class="bm vw" style="margin-bottom:0;"> <div class="h hm"> <div class="zxtoux"><img src="http://www.oecr.com/uc_server/avatar.php?uid=54876&size=small" /></div> <h1 class="ph">东方科技论坛研讨“光学计算机” </h1> <p class="xg1"> 时间：2011-10-24 11:45<a class="zz" href="home.php?mod=space&uid=54876">作者：update</a> 阅读<em id="_viewnum">(1192)</em> 评论: 0</p> <div class="zxfb" ><a href="http://www.oecr.com/portal.php?mod=rss&catid=60" class="y xi2 rss" target="_blank" title="RSS">订阅</a></div> </div> <!--[diy=diysummarytop]--><div id="diysummarytop" class="area"></div><!--[/diy]--> <div class="s"> <div class="ss"><div><span>导读： </span>日前，在以“光学计算机的关键技术和潜在应用领域”为主题的第187期上海东方科技论坛上，陈国良、何积丰、侯洵、李三立等院士专家呼吁，要采取积极措施，加快我国在光学计算机领域的研究步伐。</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">日前，在以“光学计算机的关键技术和潜在应用领域”为主题的第187期上海东方科技<a href="http://bbs.oecr.com" target="_blank" class="relatedlink">论坛</a>上，陈国良、何积丰、侯洵、李三立等院士专家呼吁，要采取积极措施，加快我国在光学计算机领域的研究步伐。<br> <br>“近年来，随着计算机科学、光纤通讯、光学存储等技术的长足进步，光学计算机研究日益引起技术先进国家的重视。”陈国良认为，深入探讨光学计算机各种关键技术的基础、现状和前途，以及其潜在应用领域，具有重要现实意义和长远科学价值。<br> <br>此次论坛上，与会院士专家深入讨论了国内几个发展势头较好的光学计算机研究方向。<br> <br>专家认为，以光学非线性为基础的光学信息处理元件速度可以很快，但可能耗能很大。而以液晶为主要元件的三值光学计算机有位数众多、处理器可重构等特点，具有节能潜力，且其目前完成的实验系统表现出较好的完整性，使用方法与当前用户习惯一致，较有可能成为一种新型计算机实用系统。<br> <br>上海大学教授金翊表示：“三值光学计算机可能会带来一些<a href="http://electronic.oecr.com" target="_blank" class="relatedlink">电子</a>计算机不易实现的新计算思想和新计算技术。”<br> <br>中科院计算所研究员陈明宇在题为《高性能计算机和光互联技术的应用》的报告中指出，超级计算机目前的发展瓶颈在于<a href="http://ofc.oecr.com" target="_blank" class="relatedlink">通信</a>带宽，而不在于计算能力。但金翊认为，带宽不足的主要原因是需要传送的信息太多，而传送信息量取决于每个处理器的计算能力。如果利用位数众多的光学计算机大幅度提高计算节点的计算能力，需要传送的信息量就会明显减少，通信带宽不足的问题就会缓解。<br> <br>此外，与会专家还注意到我国在光学存储技术方面比较好的研究基础和成果。有专家提出，应该积极将光学处理器研究和光学存储器研究结合起来，而这需要建立一种全国范围的、多领域多团队的密切协作和相互融合机制。在光学计算机研究领域，建立这种科学交流和合作机制已经迫在眉睫。 <DIV><FONT color="#808080" size=2><IMG src="http://www.oecr.com/xwb/images/bgimg/icon_logo.png"> 已同步至 <a href="http://ome.ac.cn/index.php?m=show&id=3371987399572613" target="_blank">update的微博</A></FONT></DIV></td></tr></table> <!--[diy=diycontentbottom]--><div id="diycontentbottom" class="area"></div><!--[/diy]--> <script src="data/cache/home.js?eOg" type="text/javascript"></script> <div id="click_div"><table cellpadding="0" cellspacing="0" class="atd"> <tr><td> <a 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