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src="/bitstream/handle/1721.1/59481/Kumar-2009-Low-threshold%20terahertz%20quantum-cascade%20lasers%20with%20one-well%20injector%20operating%20up%20to%20174%20K.pdf.jpg?sequence=5&isAllowed=y"></a> </div> </div> <div class="col-sm-9"> <div class="artifact-description"> <h4 class="artifact-title"> <a href="/handle/1721.1/59481">Low-threshold terahertz quantum-cascade lasers with one-well injector operating up to 174 K</a><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft_id=978-1-55752-869-8&rft_id=INSPEC+Accession+Number%3A+10842580&rft_id=http%3A%2F%2Fhdl.handle.net%2F1721.1%2F59481&rft_id=Kumar%2C+S.%2C+Qing+Hu%2C+and+J.L.+Reno.+%E2%80%9CLow-threshold+Terahertz+quantum-cascade+lasers+with+one-well+injector+operating+up+to+174+K.%E2%80%9D+Lasers+and+Electro-Optics%2C+2009+and+2009+Conference+on+Quantum+electronics+and+Laser+Science+Conference.+CLEO%2FQELS+2009.+Conference+on.+2009.+1-2.+%C2%A92009+Institute+of+Electrical+and+Electronics+Engineers.&rft_id=https%3A%2F%2Forcid.org%2F0000-0003-1982-4053&rfr_id=info%3Asid%2Fdspace.org%3Arepository&rft.metadata=Complete"> </span> </h4> <div class="artifact-info"> <span class="author h4"><small><span class="ds-dc_contributor_author-authority">Kumar, Sushil</span>; <span class="ds-dc_contributor_author-authority">Hu, Qing</span>; <span class="ds-dc_contributor_author-authority">Reno, John L.</span></small></span> <span class="publisher-date h4"><small>(<span class="publisher">Institute of Electrical and Electronics Engineers</span>, <span class="date">2009-08</span>)</small></span> </div> <div class="artifact-abstract">We report operation of v ~ 2.7 THz quantum-cascade lasers (QCLs) up to 174 K. A new three-well active region, one-well injector scheme is utilized to lower the operating current densities. While the temperature performance ...</div> </div> </div> </div> </li>  <li class="ds-artifact-item even"> <div class="item-wrapper row"> <div class="col-sm-3 hidden-xs"> <div class="thumbnail artifact-preview"> <a href="/handle/1721.1/59483" class="image-link"><img alt="Thumbnail" class="img-responsive img-thumbnail" src="/bitstream/handle/1721.1/59483/Kuznetsova-2009-Mode-locking%20via%20active%20gain%20modulation%20in%20quantum%20cascade%20lasers.pdf.jpg?sequence=5&isAllowed=y"></a> </div> </div> <div class="col-sm-9"> <div class="artifact-description"> <h4 class="artifact-title"> <a href="/handle/1721.1/59483">Mode-locking via active gain modulation in quantum cascade lasers</a><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft_id=978-1-55752-869-8&rft_id=INSPEC+Accession+Number%3A+10843170&rft_id=http%3A%2F%2Fhdl.handle.net%2F1721.1%2F59483&rft_id=Kuznetsova%2C+L.+et+al.+%E2%80%9CMode-locking+via+active+gain+modulation+in+quantum+cascade+lasers.%E2%80%9D+Lasers+and+Electro-Optics%2C+2009+and+2009+Conference+on+Quantum+electronics+and+Laser+Science+Conference.+CLEO%2FQELS+2009.+Conference+on.+2009.+1-2.+%C2%A92009+Institute+of+Electrical+and+Electronics+Engineers.&rft_id=https%3A%2F%2Forcid.org%2F0000-0002-8733-2555&rfr_id=info%3Asid%2Fdspace.org%3Arepository&rft.mitauthor=true&rft.metadata=Complete"> </span> </h4> <div class="artifact-info"> <span class="author h4"><small><span class="ds-dc_contributor_author-authority">Gkortsas, Vasileios-Marios</span>; <span class="ds-dc_contributor_author-authority">Kaertner, Franz X.</span>; <span class="ds-dc_contributor_author-authority">Kuznetsova, Lyuba</span>; <span class="ds-dc_contributor_author-authority">Wang, C. Y.</span>; <span class="ds-dc_contributor_author-authority">Diehl, L.</span>; <span> e.a.</span></small></span> <span class="publisher-date h4"><small>(<span class="publisher">Institute of Electrical and Electronics Engineers</span>, <span class="date">2009-06</span>)</small></span> </div> <div class="artifact-abstract">A mode-locking mechanism by active gain modulation is studied numerically and experimentally. The parameter window for the emission of stable pulse trains was found. Pulses as short as 3 ps (~0.5 pJ) were characterized by ...</div> </div> </div> </div> </li> </ul> </div> <div class="pagination-simple clearfix bottom"></div> <ul class="ds-artifact-list list-unstyled"></ul> </div> </div> </div> <div role="navigation" id="sidebar" class="col-xs-6 col-sm-3 sidebar-offcanvas"> <div class="word-break hidden-print" id="ds-options"> <div class="ds-option-set" id="ds-search-option"> <form method="post" class="" id="ds-search-form" action="/discover"> <fieldset> <div class="input-group"> <input placeholder="Search" type="text" class="ds-text-field form-control" aria-label="Search MIT DSpace" name="query"><span class="input-group-btn"><button title="Go" class="ds-button-field btn btn-primary"><span aria-hidden="true" class="glyphicon glyphicon-search"></span></button></span> </div> </fieldset> </form> </div> <h2 class="ds-option-set-head h6">Browse</h2> <div id="aspect_viewArtifacts_Navigation_list_browse" class="list-group"> <a class="list-group-item active"><span class="h5 list-group-item-heading h5">All of DSpace</span></a><a href="/community-list" class="list-group-item ds-option">Communities & Collections</a><a href="/browse?type=dateissued" class="list-group-item ds-option">By Issue Date</a><a href="/browse?type=author" class="list-group-item ds-option">Authors</a><a href="/browse?type=title" class="list-group-item ds-option">Titles</a><a href="/browse?type=subject" class="list-group-item ds-option">Subjects</a> </div> <h2 class="ds-option-set-head h6">My Account</h2> <div id="aspect_viewArtifacts_Navigation_list_account" class="list-group"> <a href="/login" class="list-group-item ds-option">Login</a> </div> <div id="aspect_viewArtifacts_Navigation_list_context" class="list-group"></div> <div id="aspect_viewArtifacts_Navigation_list_administrative" class="list-group"></div> <div id="aspect_discovery_Navigation_list_discovery" class="list-group"></div> <h2 class="ds-option-set-head h6">Statistics</h2> <div id="aspect_statistics_Navigation_list_reportingSuite" class="list-group atmire-module"> <a href="/oastats" class="list-group-item ds-option">OA Statistics</a><a href="/handle/1721.1/49433/most-popular/country" class="list-group-item ds-option">Statistics by Country</a><a href="/handle/1721.1/49433/most-popular/department" class="list-group-item ds-option">Statistics by Department</a> </div> </div> </div> </div> </div> </div> <footer> <div class="wrap-outer-footer layout-band"> <div class="wrap-footer footer-slim"> <div aria-label="MIT Libraries footer" class="footer-main"> <div class="identity"> <div class="wrap-logo-lib"> <a class="logo-mit-lib" href="https://libraries.mit.edu"><img width="150" alt="MIT Libraries" src="https://cdn.libraries.mit.edu/files/branding/local/mitlib-wordmark.svg"></a> </div> <div class="wrap-middle"> <div class="wrap-policies"> <nav aria-label="MIT Libraries policy menu"> <span class="item"><a class="link-sub" href="https://libraries.mit.edu/privacy">Privacy</a></span><span class="item"><a class="link-sub" href="https://libraries.mit.edu/permissions">Permissions</a></span><span class="item"><a class="link-sub" href="https://libraries.mit.edu/accessibility">Accessibility</a></span><span class="item"><a class="link-sub" href="https://libraries.mit.edu/contact">Contact us</a></span> </nav> </div> </div> </div> </div> </div> </div> <div class="wrap-outer-footer-institute layout-band"> <div class="wrap-footer-institute"> <div class="footer-info-institute"> <a href="https://www.mit.edu" class="link-logo-mit"><img width="150" alt="MIT" src="https://cdn.libraries.mit.edu/files/branding/local/mit_lockup_std-three-line_rgb_white.svg"></a> <div class="license">Content created by the MIT Libraries, <a href="https://creativecommons.org/licenses/by-nc/4.0/">CC BY-NC</a> unless otherwise noted. <a href="https://libraries.mit.edu/research-support/notices/copyright-notify/">Notify us about copyright concerns</a>. </div> </div> </div> </div> </footer> <script type="text/javascript"> if(typeof window.import === 'undefined'){ window.import={}; 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