{"693695":{"#nid":"693695","#data":{"type":"event","title":"Physics CM Seminar | Title: From Optical Spectroscopy to Spin-Charge Interfaces in Diamond | Speaker: Dr. Carlos A. Meriles - City College of New York","body":[{"value":"\u003Cp\u003E\u003Cstrong\u003ETitle:\u003C\/strong\u003E From Optical Spectroscopy to Spin-Charge Interfaces in Diamond\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003ESpeaker: \u003C\/strong\u003EDr. Carlos A. Meriles - City College of New York\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003EHost:\u003C\/strong\u003E Chunhui Du\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003EAbstract:\u003C\/strong\u003E Color centers in diamond offer a versatile platform for quantum information processing, combining long-lived spin states with optical interfaces. While most efforts have focused on coherent spin manipulation and photon-mediated interactions, the ability to control and probe charge at the individual-defect level opens complementary opportunities for building scalable quantum architectures.\u003C\/p\u003E\u003Cp\u003EIn this talk, I will discuss recent advances in the optical interrogation and charge-state manipulation of nitrogen-vacancy centers in diamond. I will first describe how resonant optical excitation enables reversible charge control and nondestructive readout with spatial resolution well below the diffraction limit. I will then show how correlated spectral fluctuations reveal the local electrostatic environment, allowing us to reconstruct the three-dimensional arrangement of neighboring defects. Finally, I will discuss experiments resolving individual carrier-capture events and their dependence on the surrounding charge environment.\u003C\/p\u003E\u003Cp\u003EOur results illustrate how optical spectroscopy can provide access to charge dynamics at the single-defect level, opening new possibilities for controlling interactions between solid-state quantum systems.\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003EShort Bio:\u003C\/strong\u003E Carlos Meriles was born and raised in C\u00f3rdoba , Argentina . He obtained his Ph.D in physics at FaMAF \u2013 the mathematics, physics and astronomy division of the Universidad Nacional de C\u00f3rdoba \u2013 under the supervision of Prof. A.H. Brunetti. His doctoral studies focused on the use of Nuclear Quadrupole Resonance (NQR) to probe structural and dynamical disorder in organic crystals. After graduating in 2000, he joined the group of Prof. Alexander Pines at the University of California , Berkeley to work on Nuclear Magnetic Resonance (NMR), his present field of research. In 2004, he joined the Department of Physics at City College where he now teaches as a Professor.\u003C\/p\u003E\u003Cp\u003E\u0026nbsp;\u003C\/p\u003E","summary":"","format":"limited_html"}],"field_subtitle":"","field_summary":[{"value":"\u003Cp\u003E\u003Cstrong\u003EAbstract:\u003C\/strong\u003E Color centers in diamond offer a versatile platform for quantum information processing, combining long-lived spin states with optical interfaces. While most efforts have focused on coherent spin manipulation and photon-mediated interactions, the ability to control and probe charge at the individual-defect level opens complementary opportunities for building scalable quantum architectures.\u003C\/p\u003E\u003Cp\u003EIn this talk, I will discuss recent advances in the optical interrogation and charge-state manipulation of nitrogen-vacancy centers in diamond. I will first describe how resonant optical excitation enables reversible charge control and nondestructive readout with spatial resolution well below the diffraction limit. I will then show how correlated spectral fluctuations reveal the local electrostatic environment, allowing us to reconstruct the three-dimensional arrangement of neighboring defects. Finally, I will discuss experiments resolving individual carrier-capture events and their dependence on the surrounding charge environment.\u003C\/p\u003E\u003Cp\u003EOur results illustrate how optical spectroscopy can provide access to charge dynamics at the single-defect level, opening new possibilities for controlling interactions between solid-state quantum systems.\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003EShort Bio:\u003C\/strong\u003E Carlos Meriles was born and raised in C\u00f3rdoba , Argentina . He obtained his Ph.D in physics at FaMAF \u2013 the mathematics, physics and astronomy division of the Universidad Nacional de C\u00f3rdoba \u2013 under the supervision of Prof. A.H. Brunetti. His doctoral studies focused on the use of Nuclear Quadrupole Resonance (NQR) to probe structural and dynamical disorder in organic crystals. After graduating in 2000, he joined the group of Prof. Alexander Pines at the University of California , Berkeley to work on Nuclear Magnetic Resonance (NMR), his present field of research. In 2004, he joined the Department of Physics at City College where he now teaches as a Professor.\u003C\/p\u003E","format":"limited_html"}],"field_summary_sentence":[{"value":"Physics CM Seminar | Title: From Optical Spectroscopy to Spin-Charge Interfaces in Diamond | Speaker: Dr. Carlos A. Meriles - City College of New York"}],"uid":"36625","created_gmt":"2026-11-02 19:18:28","changed_gmt":"2026-11-02 21:27:40","author":"crichardson76","boilerplate_text":"","field_publication":"","field_article_url":"","field_event_time":{"event_time_start":"2026-11-11T14:00:00-05:00","event_time_end":"2026-11-11T15:00:00-05:00","event_time_end_last":"2026-11-11T15:00:00-05:00","gmt_time_start":"2026-11-11 19:00:00","gmt_time_end":"2026-11-11 20:00:00","gmt_time_end_last":"2026-11-11 20:00:00","rrule":null,"timezone":"America\/New_York"},"location":"Howey Building - Rooms N-201\/202","extras":[],"hg_media":{"681622":{"id":"681622","type":"image","title":"Dr. Carlos Andres Meriles","body":null,"created":"1793647383","gmt_created":"2026-11-02 19:23:03","changed":"1793647383","gmt_changed":"2026-11-02 19:23:03","alt":"Dr. Carlos A Meriles","file":{"fid":"266054","name":"Dr.-Carlos-Andres-Meriles.jpg","image_path":"\/sites\/default\/files\/2026\/11\/02\/Dr.-Carlos-Andres-Meriles.jpg","image_full_path":"http:\/\/hg.gatech.edu\/\/sites\/default\/files\/2026\/11\/02\/Dr.-Carlos-Andres-Meriles.jpg","mime":"image\/jpeg","size":15172,"path_740":"http:\/\/hg.gatech.edu\/sites\/default\/files\/styles\/740xx_scale\/public\/2026\/11\/02\/Dr.-Carlos-Andres-Meriles.jpg?itok=LVxUhKlF"}}},"media_ids":["681622"],"groups":[{"id":"126011","name":"School of Physics"}],"categories":[],"keywords":[],"core_research_areas":[],"news_room_topics":[],"event_categories":[{"id":"1795","name":"Seminar\/Lecture\/Colloquium"}],"invited_audience":[{"id":"78761","name":"Faculty\/Staff"},{"id":"177814","name":"Postdoc"},{"id":"78771","name":"Public"},{"id":"174045","name":"Graduate students"},{"id":"78751","name":"Undergraduate students"}],"affiliations":[],"classification":[],"areas_of_expertise":[],"news_and_recent_appearances":[],"phone":[],"contact":[],"email":[],"slides":[],"orientation":[],"userdata":""}}}