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<span style="font-size:10.5pt; font-family:"Arial",sans-serif; color:#1F497D; border:none windowtext 1.0pt; padding:0in; background:white">***** Seminar *****</span></p>
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<b><span style="font-size:16.0pt; font-family:"inherit",serif; color:#1F497D; border:none windowtext 1.0pt; padding:0in">Department of Electrical and Computer Engineering</span></b></p>
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<b><span style="font-size:16.0pt; font-family:"inherit",serif; color:#1F497D; border:none windowtext 1.0pt; padding:0in">Texas Center for Superconductivity<br>
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<b><span style="font-size:16.0pt; font-family:"inherit",serif; color:#1F497D; border:none windowtext 1.0pt; padding:0in">Materials Engineering Program</span></b></p>
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<b><span style="font-size:14.0pt; font-family:"inherit",serif; color:#1F497D; border:none windowtext 1.0pt; padding:0in">Center for Integrated Bio and Nano Systems</span></b></p>
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<b><span style="font-size:14.0pt; font-family:"inherit",serif; color:#1F497D; border:none windowtext 1.0pt; padding:0in">10:00 a.m., April 23, 2021</span></b></p>
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<b><span style="font-size:14.0pt; font-family:"inherit",serif; color:#1F497D; border:none windowtext 1.0pt; padding:0in">Join Zoom Meeting</span></b></p>
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<b><span style="font-size:14.0pt; font-family:"inherit",serif; color:#1F497D; border:none windowtext 1.0pt; padding:0in"><a href="https://urldefense.com/v3/__https:/zoom.us/j/845619943?pwd=QlZvYUV6M2dxNDkvNWxBd3F2YzdJZz09__;!!LkSTlj0I!RY36v8rc0HmWFLiTTBHvwLA0IazEOlQxdQZC1QwuRSdYLO0ZgFA27Y6PryVryUiq6I-G0w$">https://zoom.us/j/845619943?pwd=QlZvYUV6M2dxNDkvNWxBd3F2YzdJZz09</a></span></b></p>
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<b><span style="font-size:14.0pt; font-family:"inherit",serif; color:#1F497D; border:none windowtext 1.0pt; padding:0in">Meeting ID: 845 619 943</span></b></p>
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<b><span style="font-size:14.0pt; font-family:"inherit",serif; color:#1F497D; border:none windowtext 1.0pt; padding:0in">Password: 016104</span></b></p>
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<b><span style="font-size:20.0pt; font-family:"inherit",serif; color:#1F497D; border:none windowtext 1.0pt; padding:0in">Harnessing Nitrogen Vacancy Centers in Diamond for Next-Generation Quantum Science and Technology <br>
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<b><span style="font-size:18.0pt; font-family:"Times New Roman",serif; color:#1F497D; border:none windowtext 1.0pt; padding:0in">Chunhui Du<br>
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<span style="font-size:16.0pt; font-family:"Times New Roman",serif; color:#174E86; border:none windowtext 1.0pt; padding:0in">Department of Physics, University of California, San Diego<br>
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<b><span style="font-family:"Arial Black",sans-serif; color:#174E86; border:none windowtext 1.0pt; padding:0in">A</span></b><b><span style="font-family:"Arial Black",sans-serif; color:#1F497D; border:none windowtext 1.0pt; padding:0in">bstract:</span></b><span style="font-size:10.5pt; font-family:"Helvetica Neue"; color:black"> </span><span style="font-size:10.5pt; font-family:"Times New Roman",serif; color:#174E86; border:none windowtext 1.0pt; padding:0in">Advanced
quantum systems are integral to both scientific research and modern technology enabling a wide range of emerging applications. Nitrogen vacancy (NV) centers, optically-active atomic defects in diamond, are directly relevant in this context due to their single-spin
sensitivity and functionality over a broad temperature range. Many of these advantages derive from their quantum-mechanical nature of NV centers that are endowed by excellent quantum coherence, controllable entanglement, and high fidelity of operations, enabling
opportunities to outperform their classical counterpart. In this talk, I will present our recent efforts in developing NV-based quantum sensing platform and technologies. Specifically, we demonstrated electrical control of the coherent spin rotation rate of
a single-spin qubit in an NV-spintronic hybrid quantum system. By utilizing electrically generated spin currents, we are able to achieve efficient tuning of magnetic damping and the amplitude of the dipolar fields generated by a micrometer-sized resonant magnet,
enabling electrical control of the Rabi oscillation frequency of NV spin qubits. In addition, exploiting a state-of-the-art NV quantum sensing platform, we achieved optical detection of magnons with a broad range of wavevectors in magnetic insulator thin films.
Our results highlight the potential of NV centers in designing functional hybrid solid-state systems for next-generation quantum-information technologies. The demonstrated coupling between NV centers and magnons further points to the possibility to establish
macroscale entanglement between distant spin qubits and paves the way for developing transformative NV-based quantum computer.</span></p>
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<b><span style="font-size:12.0pt; font-family:"Times New Roman",serif; color:#174E86; border:none windowtext 1.0pt; padding:0in; background:white">Short Bio</span></b><span style="font-size:12.0pt; font-family:"Times New Roman",serif; color:#174E86; border:none windowtext 1.0pt; padding:0in; background:white">:<br>
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<b><span style="font-family:"Times New Roman",serif; color:#174E86; border:none windowtext 1.0pt; padding:0in; background:white">EDUCATION</span></b></p>
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<span style="font-family:"Times New Roman",serif; color:#174E86; border:none windowtext 1.0pt; padding:0in; background:white">2015 PhD in Physics, The Ohio State University, Columbus, OH.</span></p>
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<span style="font-family:"Times New Roman",serif; color:#174E86; border:none windowtext 1.0pt; padding:0in; background:white">2010 BS in Physics, East China Normal University, Shanghai, China.</span></p>
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<b><span style="font-family:"Times New Roman",serif; color:#174E86; border:none windowtext 1.0pt; padding:0in; background:white">HONORS AND AWARDS</span></b></p>
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<span style="font-family:"Times New Roman",serif; color:#174E86; border:none windowtext 1.0pt; padding:0in; background:white">National Science Foundation CAREER Award.</span></p>
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<span style="font-family:"Times New Roman",serif; color:#174E86; border:none windowtext 1.0pt; padding:0in; background:white">Air Force Office of Scientific Research Young Investigator Award.</span></p>
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<span style="font-family:"Times New Roman",serif; color:#174E86; border:none windowtext 1.0pt; padding:0in; background:white">Harold and Suzy Ticho Endowed Faculty Fellowship in Physics, University of California, San Diego.</span></p>
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<b><span style="font-family:"Times New Roman",serif; color:#174E86; border:none windowtext 1.0pt; padding:0in; background:white">RESEARCH EXPERIENCE</span></b></p>
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<span style="font-family:"Times New Roman",serif; color:#174E86; border:none windowtext 1.0pt; padding:0in; background:white">2019-present, Assistant Professor, Department of Physics, University of California, San Diego.</span></p>
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<span style="font-family:"Times New Roman",serif; color:#174E86; border:none windowtext 1.0pt; padding:0in; background:white">2015-2019, Postdoctoral Fellow, Department of Physics, Harvard University.<br>
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<span style="font-family:"Times New Roman",serif; color:#174E86; border:none windowtext 1.0pt; padding:0in">Please contact Prof. Xiaonan Shan <xshan@Central.UH.EDU> or Prof. Jiming Bao (jbao@uh.edu) if you want to meet with the speaker.</span></p>
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