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X-WR-CALDESC:Events for The Advanced Science Research Center
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DTSTART;TZID=America/New_York:20260309T110000
DTEND;TZID=America/New_York:20260309T120000
DTSTAMP:20260819T143757
CREATED:20260313T155023Z
LAST-MODIFIED:20260313T155023Z
UID:10001561-1773054000-1773057600@asrc.gc.cuny.edu
SUMMARY:Photonics Initiative Seminar: Giovanni Scuri
DESCRIPTION:Heterogeneously integrated photonic systems for quantum science \nPhotonic integration of solid-state quantum emitters offers a promising route to scalable on-chip quantum technologies. Achieving this goal requires combining material platforms that provide both strong opto-electronic tunability and robust qubit coherence. In this talk\, I will discuss our recent progress in characterizing and enhancing the coherence of emerging solid-state spin-qubit systems\, as well as in identifying materials with large electro-optic and piezoelectric nonlinearities at cryogenic temperatures\, where many quantum platforms operate. These results provide a pathway toward realizing heterogeneously integrated quantum devices for applications in quantum simulation and sensing. \nGiovanni Scuri is a postdoctoral researcher in the Department of Electrical Engineering at Stanford University\, working in the group of Professor Jelena Vučković. His work bridges nonlinear optics and solidstate quantum systems\, aiming to build hybrid platforms that enable new capabilities in quantum sensing\, networking\, and simulation. He develops efficient spin-photon interfaces and coherent control techniques for solid-state qubits\, while also exploring novel materials with large electro-optic tunability for next-generation active photonic and quantum interconnect technologies. For this research\, he was awarded the Bloch Postdoctoral Fellowship in Quantum Science and Engineering from the Stanford-SLAC Quantum Initiative (QFARM). Giovanni received a B.A. in Physics from Columbia University and a PhD in Physics from Harvard University. As a doctoral student in Professor Hongkun Park’s group\, he studied excitonic physics in atomically thin semiconductors\, advancing both the understanding of strongly correlated electronic systems and the development of optoelectronic devices at the atomically thin limit.
URL:https://asrc.gc.cuny.edu/event/photonics-initiative-seminar-giovanni-scuri/
LOCATION:Advanced Science Research Center (ASRC)\, 85 St. Nicholas Terrace\, New York\, NY\, 10031\, United States
CATEGORIES:Photonics
ATTACH;FMTTYPE=application/pdf:https://asrc.gc.cuny.edu/wp-content/uploads/media/event/photonics-initiative-seminar-giovanni-scuri/PHOTONICS-flyer-Giovanni-Scuri.pdf
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DTSTART;TZID=America/New_York:20260311T133000
DTEND;TZID=America/New_York:20260311T143000
DTSTAMP:20260819T143757
CREATED:20260313T154652Z
LAST-MODIFIED:20260313T154652Z
UID:10001560-1773235800-1773239400@asrc.gc.cuny.edu
SUMMARY:Photonics Initiative Seminar: Dimitrios Sounas
DESCRIPTION:Wave Engineering with Active Metamaterials: Nonreciprocity\, Bandwidth Enhancement\, and Analog Computing \nModern technological systems are subject to escalating demands for miniaturization\, speed\, adaptability\, and energy efficiency. Conventional design approaches are increasingly approaching\nfundamental performance limits. Overcoming these constraints requires adopting novel material platforms that are not subject to the constraints of conventional materials. To this end\, time-modulated\, tunable\, and nonlinear metamaterials are particularly promising\, as they enable fundamentally new wave phenomena. In this talk\, I will present our recent theoretical and experimental advances toward the development of electromagnetic devices with unprecedented capabilities for communication and computing systems based on active metamaterials. I will discuss the fundamental physics of time modulated media and demonstrate how they can be engineered to overcome symmetry constraints and bandwidth limitations inherent to passive\ndevices. I will then highlight our progress in linear analog computing with metamaterials\, with particular emphasis on the design of programmable platforms. Finally\, I will present recent results on dynamic effects in nonlinear metamaterials and discuss how these phenomena may enable a new generation of wave-based computing architectures. \nBio: Dimitrios Sounas is an Associate Professor in the Department of Electrical and Computer Engineering at Wayne State University. He focuses on the theory and design of active metamaterials\, with major contributions in the development of nonreciprocal devices. He has authored or co-authored over 100 papers in peer-reviewed journals\, more than 180 conference abstracts\, 6 patents\, and he has received more than 15\,000 citations. \nDimitrios is a Senior Member of IEEE. He is the recipient of the 2020 EurAAP Leopold B. Felsen Award from the European Antennas and Propagation Society and the 2021 Brillouin Medal from the International Phononics Society. He has chaired and organized various sessions in international symposia. He is an Associate Editor for the IEEE Antennas and Propagation Magazine\, a guest editor for Optical Materials Express\, and a reviewer for more than 20 engineering and physics journals.
URL:https://asrc.gc.cuny.edu/event/photonics-initiative-seminar-dimitrios-sounas/
LOCATION:Advanced Science Research Center (ASRC)\, 85 St. Nicholas Terrace\, New York\, NY\, 10031\, United States
CATEGORIES:Photonics
ATTACH;FMTTYPE=application/pdf:https://asrc.gc.cuny.edu/wp-content/uploads/media/event/photonics-initiative-seminar-dimitrios-sounas/PHOTONICS-Flyer_Dimitrios-Sounas.pdf
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BEGIN:VEVENT
DTSTART;TZID=America/New_York:20260320T110000
DTEND;TZID=America/New_York:20260320T120000
DTSTAMP:20260819T143757
CREATED:20260318T174208Z
LAST-MODIFIED:20260319T150350Z
UID:10001563-1774004400-1774008000@asrc.gc.cuny.edu
SUMMARY:Heterogeneously Integrated Photonic Systems for Quantum Science
DESCRIPTION:Metasurfaces\, subwavelength optical interfaces that control the amplitude\, phase\, and polarization of light\, have transformed flat optics\, yet extending this control from static wavefront shaping to dynamic\, real-time manipulation remains a central challenge. In this talk\, scientist Prasad P. Iyer will show how his lab’s research addresses this challenge across increasing levels of complexity: from steering coherent laser beams\, to directing spontaneous emission\, to controlling quantum light. Join us in person at the CUNY ASRC or remotely on Friday\, March 20! \nZoom:\nMeeting ID: 869 1553 7863 Passcode: 073925\nMeeting Link: https://bit.ly/4sBL9Nz \n \nDownload flyer
URL:https://asrc.gc.cuny.edu/event/heterogeneously-integrated-photonic-systems-for-quantum-science/
LOCATION:Advanced Science Research Center (ASRC)\, 85 St. Nicholas Terrace\, New York\, NY\, 10031\, United States
CATEGORIES:Photonics
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BEGIN:VEVENT
DTSTART;TZID=America/New_York:20260323T140000
DTEND;TZID=America/New_York:20260323T150000
DTSTAMP:20260819T143757
CREATED:20260318T220256Z
LAST-MODIFIED:20260319T145921Z
UID:10001564-1774274400-1774278000@asrc.gc.cuny.edu
SUMMARY:Universal Wave-Control Framework  for Extremely Tunable Microwave Systems
DESCRIPTION:Wave-domain programmability emerges as technological enabler of next-generation microwave systems for wireless communications\, sensing\, and wave-domain computing. In this talk\, Professor Philipp Del Hougne will describe his lab’s recent progress toward establishing a universal framework for controlling waves in extremely tunable microwave systems. Join us in person at the CUNY ASRC or remotely on Monday\, March 23! \nZoom:\nMeeting ID: 854 4777 9784\nPasscode: 947054\nMeeting Link: https://bit.ly/4siDO54 \n \nDownload flyer
URL:https://asrc.gc.cuny.edu/event/universal-wave-control-framework-for-extremely-tunable-microwave-systems/
LOCATION:Advanced Science Research Center (ASRC)\, 85 St. Nicholas Terrace\, New York\, NY\, 10031\, United States
CATEGORIES:Photonics
ATTACH;FMTTYPE=image/jpeg:https://asrc.gc.cuny.edu/wp-content/uploads/media/event/universal-wave-control-framework-for-extremely-tunable-microwave-systems/GettyImages-2207828720_1280x720.jpg
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BEGIN:VEVENT
DTSTART;TZID=America/New_York:20260323T140000
DTEND;TZID=America/New_York:20260323T150000
DTSTAMP:20260819T143757
CREATED:20260323T152351Z
LAST-MODIFIED:20260323T152351Z
UID:10001566-1774274400-1774278000@asrc.gc.cuny.edu
SUMMARY:Photonics Initiative Seminar: Philipp Del Hougne
DESCRIPTION:Universal wave-control framework for extremely tunable microwave systems \nWave-domain programmability emerges as technological enabler of next-generation microwave systems for wireless communications\, sensing\, and wave-domain computing. In this talk\, I will\ndescribe our recent progress toward establishing a universal framework for controlling waves in extremely tunable microwave systems. The predominance of reconfiguration mechanisms based on tunable lumped elements leads to a universal abstraction of these systems in terms of a multiport-network representation\, capable of accurately capturing all relevant electromagnetic interactions between the tunable elements. I will explain how we experimentally calibrate such models for diverse systems such as dynamic metasurface antennas and reconfigurable intelligent surfaces. Then\, I will describe how we navigate the design space based on these models to identify fundamental bounds on realizable functionalities\, as well as configurations closely approaching these bounds. I will outline how these results contribute to the development of a prototype-aware electromagnetic information theory for programmable channels. Finally\, I will discuss principles for system\ndesign to maximize the wave-domain flexibility\, including enhanced dwell times\, non-local programmability\, and time modulation
URL:https://asrc.gc.cuny.edu/event/photonics-initiative-seminar-philipp-del-hougne/
LOCATION:Advanced Science Research Center (ASRC)\, 85 St. Nicholas Terrace\, New York\, NY\, 10031\, United States
CATEGORIES:Photonics
ATTACH;FMTTYPE=application/pdf:https://asrc.gc.cuny.edu/wp-content/uploads/media/event/photonics-initiative-seminar-philipp-del-hougne/Photonics-Philipp-del-Hougne.pdf
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20260325T110000
DTEND;TZID=America/New_York:20260325T120000
DTSTAMP:20260819T143757
CREATED:20260325T120220Z
LAST-MODIFIED:20260325T144244Z
UID:10001567-1774436400-1774440000@asrc.gc.cuny.edu
SUMMARY:Photonics Initiative Seminar: Ventsislav K. Valev
DESCRIPTION:Speaker: Ventsislav K. Valev \nTitle: Polarization-Resolved Nonlinear Optical Activity in Scattering \nAbstract:  Nonlinear optical activity in scattered light\, first predicted in 1979\, has recently become experimentally accessible. The original theory encompassed both elastic scattering and its inelastic counterpart\, hyper-Raman. In elastic scattering\, depending on the ratio between particle size and wavelength\, light scattering is typically classified into Rayleigh\, Mie\, and Tyndall regimes. Their nonlinear counterparts\, hyper-Rayleigh\, hyper-Mie\, and hyper-Tyndall scattering\, arise when the emitted light occurs at harmonic frequencies of the excitation. In chiral systems\, these processes give rise to optical activity\, manifesting as differences in the scattered intensity for opposite polarizations. Recent experiments have established nonlinear optical activity across multiple scattering regimes and harmonic orders; even and odd order nonlinearities follow distinct selection rules and probe different aspects of nanomaterials. We have further shown that chiral nanoparticles can transfer chirality to achiral molecules\, giving riseto both Raman and hyper-Raman optical activity. \nSo far\, however\, nonlinear optical activity in scattering has primarily been detected through intensity-based measurements. In this talk\, I will present some of our latest results demonstrating that chirality can also be directly encoded in the polarization state of the scattered light. This observation opens another dimension for probing nonlinear chiral light–matter interactions\, in both elastic and inelastic scattering regimes. \nBio: Ventsislav K. Valev is a Professor of Physics – Laser Nanoscience\, and Associate Dean (Research) at the University of Bath\, UK. He is internationally recognized for his work in nanophotonics and nonlinear optics\, and is a Fellow of Optica\, SPIE\, the Institute of Physics\, and the Royal Society of Chemistry. In 2023\, he was awarded the Thomas Young Medal by the Institute of Physics\, and he has developed a substantial\, award-winning outreach program.
URL:https://asrc.gc.cuny.edu/event/photonics-initiative-seminar-ventsislav-k-valev/
LOCATION:ASRC 1st Floor Seminar Room\, 85 St. Nicholas Terrace\, New York\, NY\, 10031\, United States
CATEGORIES:Photonics
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