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Physicists Produce Quantum-Entangled Images
Mohir
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18
6-26-2008 8:33 AM
883 views
tags:
quantum
,
quantum entanglment
,
computing
,
images
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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/f994c3c8-9355-4ff8-ab0e-f2d1d769d091/F5C7B085-56CD-46EB-8B38-0B8183D661E5/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.kurzweilai.net/news/news_single.html?id=8945" href="http://www.kurzweilai.net/news/news_single.html?id=8945" style="font-size: 11px;">www.kurzweilai.net</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.kurzweilai.net/news/news_single.html?id=8945"><DIV><A class="thought" href="javascript:loadBrain('Research')">Research</A>ers from the National Institute of Standards and <A class="thought" href="javascript:loadBrain('Technology')">Technology</A> (NIST) and the University of Maryland (UM) have produced "quantum images," pairs of <A class="thought" href="javascript:loadBrain('Information')">information</A>-rich visual <A class="thought" href="javascript:loadBrain('Pattern')">pattern</A>s whose features are entangled (linked by the laws of quantum <A class="thought" href="javascript:loadBrain('Physics')">physics</A>). </DIV></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.kurzweilai.net/news/news_single.html?id=8945"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/www.kurzweilai.net/img/388A1ACE-6953-4B56-92E8-2BF67554A024" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.kurzweilai.net/news/news_single.html?id=8945"><DIV> Matching up both quantum images and subtracting their fluctuations, their <A class="thought" href="javascript:loadBrain('Noise')">noise</A> is lower (so their <A class="thought" href="javascript:loadBrain('Information')">information</A> <A class="thought" href="javascript:loadBrain('Content')">content</A> potentially higher) than it is from any two classical images. </DIV></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.kurzweilai.net/news/news_single.html?id=8945"><DIV> In addition to promising better detection of faint objects and improved amplification and positioning of <A class="thought" href="javascript:loadBrain('Light')">light</A> beams, the <A class="thought" href="javascript:loadBrain('Research')">research</A>ers' technique for producing quantum images may someday be useful for storing <A class="thought" href="javascript:loadBrain('Pattern')">pattern</A>s of <A class="thought" href="javascript:loadBrain('Data')">data</A> in quantum <A class="thought" href="javascript:loadBrain('Computer')">computer</A>s and transmitting large amounts of highly secure encrypted <A class="thought" href="javascript:loadBrain('Information')">information</A>. </DIV></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;"> </td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/F5C7B085-56CD-46EB-8B38-0B8183D661E5/blog/" title="blog or email this clip"><img src="http://content9.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>
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