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DTSTART;TZID=America/New_York:20250116T113000
DTEND;TZID=America/New_York:20250116T123000
DTSTAMP:20260525T010350
CREATED:20250108T210230Z
LAST-MODIFIED:20250110T192126Z
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SUMMARY:Photonics Initiative Seminar: Simo Pajovic
DESCRIPTION:Simo Pajovic\nDepartment of Mechanical Engineering\, Massachusetts Institute of Technology \nControlling Light-Matter Interactions in Novel Emitters:\nThermal Radiation\, Scintillation\, and Beyond\nAbstract – In mechanical engineering\, thermal radiation is the best-known example of light-matter interactions\, but non-thermal radiation is prevalent in a wide variety of applications\, including medical imaging\, manufacturing\, and sensing. Scintillation—the emission of light when a high-energy particle passes through a material—is of particular interest because of its high efficiency\, access to a wide spectral range\, and use in imaging and detection. This process can be modeled using fluctuational electrodynamics similarly to thermal radiation\, meaning they are analogous. In this talk\, I will describe my efforts during my PhD to advance both our fundamental understanding of and critical applications based on control of thermal radiation and scintillation. I will describe how we experimentally observed nonreciprocal reflection of mid-IR light in highly doped InAs at low magnetic fields (< 0.2 T) using both spectroscopic ellipsometry and FTIR. Our work demonstrates that nonreciprocity can be observed at low magnetic fields without coupling to resonant modes\, i.e.\, using a flat surface rather than a patterned surface designed to resonantly interact with light [1]. This advances our fundamental understanding of mid-IR nonreciprocity and has implications for sensing and efficiency of systems such as PV cells. Then\, I will shift gears to X-ray imaging\, where my focus has been on source-to-detector improvements using nanophotonics. First\, I will describe a strategy for increasing the operating power of X-ray tubes using “nanophotonic thermal management.” We theoretically predicted that nanophotonically patterning the anode of an X-ray tube can lead to a 1.25× enhancement in operating power (a proxy for X-ray generation) by enhancing radiative heat transfer between the anode and its surroundings. Second\, I will discuss steps we have taken toward improving the scalability of so-called “nanophotonic scintillators” for X-ray imaging. Using a nanophotonic scintillator with a lateral area of 4 cm × 4 cm\, we imaged a biologically relevant sample for the first time\, paving the way for clinical applications of nanophotonic scintillators [2]. \n[1] S. Pajovic\, Y. Tsurimaki\, X. Qian\, G. Chen\, and S. Boriskina\, arXiv:2410.06596 (2024). In production at Optics Express. \n[2] L. Martin-Monier\, S. Pajovic\, M. Abebe\, J. Chen\, S. Vaidya\, S. Min\, S. Choi\, S. Kooi\, B. Maes\, J. Hu\, M. Soljačić\, and C. Roques-Carmes\, arXiv:2410.07141 (2024). Under review at Nature Communications. \nBio – Simo Pajovic (see-moh pie-oh-vitch) is a MathWorks Engineering Fellow and PhD Candidate co-advised by Dr. Svetlana Boriskina (MechE) and Prof. Marin Soljačić (Physics). Previously\, he was an MIT Presidential Fellow\, an NSF Graduate Research Fellow\, and a DOE SCGSR Fellow (hosted by Los Alamos National Laboratory). As both a theorist and experimentalist\, Simo’s research lies at the nexus of light-matter interactions and critically important applications such as energy and medicine. Research topics he has worked on include electromagnetic nonreciprocity\, thermal radiation\, spatiotemporally modulated metasurfaces\, nanophotonic scintillators\, and free-electron radiation. \nThis is an in-person seminar. If you opt to join via zoom use meeting ID 847 8406 9615 Passcode 051258
URL:https://asrc.gc.cuny.edu/event/photonics-initiative-seminar-simo-pajovic/
LOCATION:ASRC Auditorium\, 85 St. Nicholas Terrace\, New York\, NY\, 10031\, United States
CATEGORIES:Photonics
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20250121T120000
DTEND;TZID=America/New_York:20250121T130000
DTSTAMP:20260525T010350
CREATED:20241203T184042Z
LAST-MODIFIED:20241216T145405Z
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SUMMARY:Photonics Initiative Seminar: Giovanni Milione
DESCRIPTION:Dr. Giovanni Milione\n\nNEC Laboratories America\, Inc. \nVector Beams and Space Division Multiplexing\nAbstract – In this talk\, I will overview two areas of my research at NEC Laboratories America\, Inc.: \nFor plane wave solutions to Maxwell’s equations\, light’s polarization is understood. Not so for structured light. In this talk I’ll discuss non-trivial higher-order solutions that have spatially inhomogeneous states of polarization—vector beams. This includes their connection to optical angular momentum\, N-dimensionality\, SU(N)-symmetric Jones/Stokes spaces\, higher-order Poincare sphere and Pancharatnam-Berry phases\, and non-separable space/polarization degrees of freedom. I’ll also discuss their inherentness in circularly symmetric and anisotropic photonic media\, e.g.\, (non)local meta-surfaces\, liquid crystal “q-plates\,” and multimode optical fibers\, and their experimental generation/measurement. \nSpace division multiplexing is the use of spatial modes as multiple\, independent\, and per wavelength data channels. It multiplies data rates (Tb/s- to Pb/s-scales)\, optimizes spectral efficiency\, and increases data capacity of optical communications beyond fundamental limits. In this talk\, I will discuss the ~10-year evolution from research to recent productization via submarine cables\, short reach interconnects\, and satellite links. This comprises the mitigation of mode coupling and dispersion via novel multi-mode/core optical fibers\, the use of optical orbital angular momentum\, vector beams\, and Hermite-Gaussian modes\, the mitigation of atmospheric turbulence-based scintillation via physics-informed use of spatial modes\, and efficient mode multiplexers via photonic lanterns and multi-plane light conversion. \nTime permitting\, I will briefly overview the use of our work applying computational imaging to biometrics\, i.e.\, phase-mask-based privacy preserving cameras for face recognition\, and photoacoustic tomography-based 3D finger vein authentication. \nBio – Dr. Giovanni Milione is a Senior Researcher/Business Incubation Lead in the Optical Networking & Sensing Department at NEC Laboratories America\, Inc. in Princeton\, NJ. He received his B.S. in Physics from Stony Brook University and M.S.\, M.Phil.\, and Ph.D. all in Physics from CUNY Graduate Center/The City College of New York\, where he was a National Science Foundation Graduate Research Fellow. Giovanni’s research includes structured light fundamentals\, space division multiplexing-based optical communications\, and distributed optical fiber sensing\, which has impacted NEC Corporation’s business at a multi-million-dollar global scale. He serves(ed) as technical program committee chair/member for Optica FiO\, CLEO\, IPOEM\, IEEE Photonics Conference\, SPIE Photonics West\, and the International Conference on Optical Angular Momentum. Giovanni also served on the Editorial Advisory Committee of Optica’s Optics & Photonics News and was the chair of the Smart Cities Committee of the Fiber Optic Sensing Association. His recent recognitions include Stony Brook University’s 40 Under Forty. Giovanni is also a U.S. military veteran\, having served in the Iraq/Afghanistan wars. \nThis is an in-person seminar. If you opt to join via zoom use meeting ID 832 1148 5756 Passcode 286417
URL:https://asrc.gc.cuny.edu/event/photonics-initiative-seminar-giovanni-milione/
LOCATION:ASRC Auditorium\, 85 St. Nicholas Terrace\, New York\, NY\, 10031\, United States
CATEGORIES:Photonics
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20250123T100000
DTEND;TZID=America/New_York:20250123T160000
DTSTAMP:20260525T010350
CREATED:20250103T200704Z
LAST-MODIFIED:20250122T123354Z
UID:10001462-1737626400-1737648000@asrc.gc.cuny.edu
SUMMARY:Photonics Initiative Workshop: Cristiano Matricardi
DESCRIPTION:Publishing in Nature Journals workshop. \nDay 1 (January 23rd) \n10am-11:30am – Seminar on writing\, science publishing and editorial decision making \nUnderstanding the role of editorial evaluation is crucial\, especially in today’s dynamic landscape where diversity is ever-present yet often overlooked. This talk will explore the three key stages of research and publishing: effectively identifying current research gaps\, understanding the significance of a journal’s identity\, and providing an in-depth look at the decision-making process. We will reveal how Nature Portfolio editors navigate the complexities of research and publishing to curate journal content. We will also provide a hands-on editorial experience by challenging you with a manuscript assessment. \n11:30am – 1:00pm – Lab visits (groups 1\, including discussions) \n1:00pm- 2:30pm – Lunch break \n2:30pm-3:45pm – Research integrity (20 min) and community discussion (40min) \nAttendees will learn about the definition and importance of research integrity as well as the responsibilities of an editor\, such as managing the peer-review process\, working with authors to improve their submissions\, and promoting the journal to potential authors and readers. The talk will also explore the challenges facing the field\, such as the increasing pressure to make research freely available and the impact of digital technologies on the dissemination of scientific knowledge.  The discussions will focus on one or more of these topics: the future of peer-review / AI-assisted research / Researchers and research assessment. \n3:45-4:45 Lab visits continued (groups 2 including discussions) Or 1-to-1 presentations \n4:45- 5:45 Lab visits continued (groups 3 including discussions) Or 1-to-1 presentations
URL:https://asrc.gc.cuny.edu/event/photonics-workshop-with-cristiano-matricardi/
LOCATION:ASRC Auditorium\, 85 St. Nicholas Terrace\, New York\, NY\, 10031\, United States
CATEGORIES:Photonics
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20250124T100000
DTEND;TZID=America/New_York:20250124T160000
DTSTAMP:20260525T010350
CREATED:20250103T200830Z
LAST-MODIFIED:20250122T123804Z
UID:10001463-1737712800-1737734400@asrc.gc.cuny.edu
SUMMARY:Photonics Initiative Workshop: Cristiano Matricardi
DESCRIPTION:Publishing in Nature Journals workshop. \nDay 2 (January 24th) \n10am -11:00 am – Career talk and manuscript assessment discussion \nThis career talk will focus on the role of scientific editors in the publishing process and the skills and qualifications necessary to become a successful editor. Attendees will gain a deeper understanding of the opportunities and challenges within the field and learn about potential career paths as a scientific editor\, including the qualifications and experience required to become an editor and the benefits of working in this field. Then we will select two assessments from the assignment on the first day and discuss the editorial report giving an example on how to think like an editor during the manuscript evaluation. \n11:00 – 1pm – (Mikhail Belkin) \n1pm- 2:30pm – Lunch
URL:https://asrc.gc.cuny.edu/event/photonics-workshop-cristiano-matricardi/
LOCATION:ASRC 5th Floor Data Visualization Room\, 85 St. Nicholas Terrace\, New York\, NY\, 10031\, United States
CATEGORIES:Photonics
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20250124T110000
DTEND;TZID=America/New_York:20250124T120000
DTSTAMP:20260525T010350
CREATED:20241213T001300Z
LAST-MODIFIED:20250117T184149Z
UID:10001461-1737716400-1737720000@asrc.gc.cuny.edu
SUMMARY:Photonics Initiative Seminar: Mikhail Belkin
DESCRIPTION:Dr. Mikhail Belkin\, Technical University of Munich (TUM) \nNew Applications for Nonlinear Intersubband Polaritonic Metasurfaces: from beam shaping to THz generation  \nAbstract – Quantum-engineered intersubband transitions in n-doped multiple-quantum-well heterostructures allow one to produce semiconductor films with very large nonlinear optical response. This nonlinear response can be further enhanced by processing semiconductor heterostructures as metasurfaces in which intersubband transitions are coupled to optical modes of the metasurface nanoresonators [1]. As a result\, one can fabricate optically-thin films of nonlinear optical materials that display second- and third-order nonlinear susceptibility values 4-7 orders of magnitude higher than that of traditional nonlinear optical crystals. Using these films\, one can achieve efficient (0.1-1%) frequency mixing at moderate pumping intensities (10-100 kW/cm) without phase-matching constraints associated with bulk nonlinear optical crystals [2\,3]. In this presentation\, I will discuss our recent advancements with these metasurfaces\, focusing on dynamic electrical phase control of the nonlinear optical response at the individual nanoresonator level [4\,5] and on efficient broadly-tunable continuous-wave terahertz generation via difference-frequency mixing [6]. \n[1] J. Lee et al.\, “Giant nonlinear response from plasmonic metasurfaces coupled to intersubband transitions\,” Nature 511\, 65–69 (2014).\n[2] J. Lee et al.\, “Ultrathin second-harmonic metasurfaces with record-high nonlinear optical response\,” Adv. Opt. Mat. 4\, 664-670 (2016).\n[3] D. Kim et al.\, “Efficient second-harmonic generation from dielectric inter-subband polaritonic metasurfaces coupled to lattice resonance\,” Nano Lett. 23\, 9003-9010 (2023).\n[4] J. Yu et al.\, “Electrically tunable nonlinear polaritonic metasurface\,” Nat. Photon. 16\, 72-78 (2022).\n[5] J. Yu et al.\, “Complex amplitude control of second harmonic generation using electrically tunable nonlinear polaritonic metasurfaces\,” under review (2025).\n[6] J. Krakofsky et al.\, “Broadband continuous-wave terahertz generation with intersubband polaritonic metasurfaces\,” in preparation (2025). \nBio: Dr. Mikhail A. Belkin is a professor in the Department of Electrical Engineering of the Technical University of Munich and the head of the Chair for Semiconductor Technology at the Walter Schottky Institute of the Technical University of Munich. Previously\, he was a professor in the Department of Electrical and Computer Engineering at The University of Texas at Austin. His research interests are in the field of mid-infrared and THz optoelectronics\, integrated photonics\, nonlinear optics\, and metamaterials. \nDr. Belkin received his Ph.D. degrees in Physics at the University of California at Berkeley in the group of Prof. Yuen-Ron Shen in 2004 and did his postdoctoral work at the group of Prof. Federico Capasso at Harvard University in 2004-2008. His recognitions include Friedrich Wilhelm Bessel Research Award from the Alexander von Humboldt Foundation (2016)\, NSF CAREER Award (2012)\, DARPA Young Faculty Award (2012)\, and AFOSR Young Investigator Program Award (2009). Dr. Belkin is a Fellow of the OSA and SPIE. \nThis is an in-person seminar. If you opt to join via zoom use meeting ID 885 8546 6074 Passcode 710635
URL:https://asrc.gc.cuny.edu/event/photonics-initiative-seminar-mikhail-belkin/
LOCATION:ASRC Auditorium\, 85 St. Nicholas Terrace\, New York\, NY\, 10031\, United States
CATEGORIES:Photonics
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20250128T113000
DTEND;TZID=America/New_York:20250128T121500
DTSTAMP:20260525T010350
CREATED:20250124T144633Z
LAST-MODIFIED:20250124T144633Z
UID:10001469-1738063800-1738066500@asrc.gc.cuny.edu
SUMMARY:Guest Speaker: Mathijs Mabesoone\, PhD.
DESCRIPTION:Automation and AI in Molecular Materials Discovery\nAbstract – In my talk\, I will focus on our first results towards establishing a high-throughput synthesis and analysis platform for peptides and peptide derivatives. This platform enables us to perform data-driven active learning for peptide design\, in which we combine experiments with machine learning and AI. We have been using this platform for both fundamental and more applied investigations\, and I will show some results on analysis of fundamental molecular properties\, such as solubility\, and more applied properties\, such as interfacial tension. Lastly\, I will show some of our recent efforts involving infusion of prior literature into our active learning decisions through agentic AI. \nBio – Mathijs received his BSc. and MSc. in chemistry from the Radboud University\, before moving to the Eindhoven University of Technology for a PhD in the group of Bert Meijer. Here\, he worked on model-driven understanding of competitive interactions of solvents and additives in supramolecular polymerizations. In 2021\, Mathijs changed fields and joined the lab of Jörn Piel at the Intsitute of Microbiology at ETH Zurich. During his time at ETH\, Mathijs developed data-driven workflows for natural product discovery and engineering of polyketide synthases. In 2024\, Mathijs joined the Radboud University and Big Chemistry consortium as a group leader. Merging his prior experience in supramolecular chemistry and protein engineering\, his group aims to develop data-driven methods to for peptide material design\, combining high-throughput experimentation with machine learning\, for applications in biomedicine and materials science. \n  \n 
URL:https://asrc.gc.cuny.edu/event/guest-speaker-mathijs-mabesoone-phd/
LOCATION:ASRC 1st Floor Seminar Room\, 85 St. Nicholas Terrace\, New York\, NY\, 10031\, United States
CATEGORIES:Nanoscience
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20250129T113000
DTEND;TZID=America/New_York:20250129T130000
DTSTAMP:20260525T010350
CREATED:20250124T140907Z
LAST-MODIFIED:20250124T140907Z
UID:10001468-1738150200-1738155600@asrc.gc.cuny.edu
SUMMARY:Seminar in Biochemistry\, Biophysics\, and Biodesign
DESCRIPTION:Please use this link to access Zoom.
URL:https://asrc.gc.cuny.edu/event/seminar-in-biochemistry-biophysics-and-biodesign-5/
LOCATION:ASRC Auditorium\, 85 St. Nicholas Terrace\, New York\, NY\, 10031\, United States
CATEGORIES:Structural Biology
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