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X-WR-CALDESC:Events for The Advanced Science Research Center
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DTSTART;TZID=America/New_York:20251110T100000
DTEND;TZID=America/New_York:20251110T110000
DTSTAMP:20260820T211434
CREATED:20251001T204419Z
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SUMMARY:Photonics Initiative Seminar: Francesco Valenti
DESCRIPTION:Correlation length of radiation-induced errors in superconducting devices\n\nAbstract – Superconducting quantum electronics are a promising avenue towards fully fledged quantum computation. They are currently limited by their short coherence times\, stemming from their sensitivity to perturbations\, which include… very tiny earthquakes! I will show recent work where we measured six superconducting resonators using nanosecond-resolution electronics. High energy particles impinge on the device chip\, and generate athermal phonons that propagate isotropically. Once this wavefront reaches the resonators\, it induces a phase shift: by resolving the differential time of arrival in the resonators\, we implement an on-chip seismic array. Equipped with this tool\, we uncover a millimetric decay for this type of correlated errors. I will discuss the implications for quantum processors\, and possible research avenues towards mitigation.\n\nBio – Francesco Valenti obtained his BSc in materials engineering from Politecnico di Torino (Italy) in 2015\, his MSc in physics at Université Grenoble Alpes (France) in 2017 (where he was also admitted to and completed the “Magistère de Physique” – excellence track in physics)\, and his Ph.D. at Karlsruhe Institute of Technology (Germany) in 2021\, where he worked in the group of Prof. Ioan Pop. His research interests include the design\, fabrication and characterization of microwave devices for quantum information and radioastronomy\, as well as the diagnostics and abatement of quasiparticle poisoning in superconducting quantum circuits. Since 2022 he works at IBM quantum\, where he focuses on the development\, debugging\, deployment and calibration of large scale quantum processors based on transmon qubits. Keen on drawing and painting since childhood\, he lives in New York City’s East Village\, spending his free time immersed in its rich art scene. \nTarget audience: students and early careers researchers interested in transitioning to industry. \n2025 11 10 Photonics Seminar flier Francesco Valenti
URL:https://asrc.gc.cuny.edu/event/photonics-initiative-seminar-francesco-valenti/
LOCATION:ASRC Auditorium\, 85 St. Nicholas Terrace\, New York\, NY\, 10031\, United States
CATEGORIES:Photonics
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DTSTART;TZID=America/New_York:20251118T163000
DTEND;TZID=America/New_York:20251118T183000
DTSTAMP:20260820T211434
CREATED:20251110T213328Z
LAST-MODIFIED:20251118T224647Z
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SUMMARY:The Brain and The Environment Family Night
DESCRIPTION:Join us for The Brain and The Environment Family Night at the CUNY ASRC on Nov. 18 from 4:30 to 6:30 p.m. This fun and educational evening will explore how the environment affects the brain through hands-on science activities for all ages. Guests will have the opportunity to see live EEG demonstrations where you can see your brain activity in real time\, meet our leading science researchers\, tour the research facilities\, and enjoy light food and drinks. \nRSVP today at https://forms.gle/E2htnPbQEwsZTtir9 \n 
URL:https://asrc.gc.cuny.edu/event/the-brain-and-the-environment-family-night/
LOCATION:Advanced Science Research Center (ASRC)\, 85 St. Nicholas Terrace\, New York\, NY\, 10031\, United States
CATEGORIES:Environmental Sciences,Nanoscience,Neuroscience,Photonics,Structural Biology
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BEGIN:VEVENT
DTSTART;TZID=America/New_York:20251120T110000
DTEND;TZID=America/New_York:20251120T120000
DTSTAMP:20260820T211434
CREATED:20251030T130826Z
LAST-MODIFIED:20251030T184428Z
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SUMMARY:Nanoscience Initiative + Photonics Initiative Seminar:  Dr. Shomeek Mukhopadhyay
DESCRIPTION:Abstract: \nMaterials Synthesis Using Low Temperature Plasmas – from energy storage to superconductivity \nPlasmas comprise of a quasi-neutral assembly of gaseous ions and electrons which exist at high temperatures (fusion) or low pressure (sputtering\, fluorescent lamps etc.)\, has been the workhorse for manufacturing semiconductor materials in the last 50 years. This talk will introduce a different\, ‘non -equilibrium’ plasma system which works at ambient pressure where the electrons are decoupled from ions and neutral atoms\, known as low temperature or atmospheric pressure plasma\, which has gained increasing attention in the last decade. Such systems are commercially used in ozone generation\, PFAS remediation and dental applications. In particular\, low temperature plasmas offer a versatile\, economic and scalable method for fabricating materials that are difficult using standard techniques like sputtering\, e- beam evaporation\, MOCVD or ALD. I will focus on two synthesis applications; \n\ncomplex oxides used in batteries\, supercapacitors and other energy storage applications\nsynthesizing nanocomposites with metal in layered materials like graphene and Boron Nitride which gives rise to disordered superconductivity\n\nFinally I will conclude with some thoughts and observations on materials synthesis under extreme ‘non-equilibrium’ conditions which can allow synthesis and stabilization of phases that normally occur at pressures in the earth’s core. \nResearch is funded by NSF\, ONR and ARO. \nBio: Shomeek Mukhopadhyay is currently a research scientist in Chemical engineering at Yale University. He received his PhD in Physics from Duke University in 2008. After postdoctoral positions at Levich Institute\, Columbia University and UC Riverside he joined Yale University in 2012 working with Eric Brown in Mechanical Engineering and Materials Science. His main research interests are in nanomaterials synthesis with applications in catalysis\, superconductivity\, energy storage and quantum sensing with Lisa Pfefferle. One of the central themes in the current work is to understand and harness the role of strain in 2D and layered materials. The work on plasma based material synthesis is a collaborative effort with York Plasma Institute\, Britain’s largest center for Plasma Research. In addition to research and teaching\, he also founded three startups focused on Synthesis\, PFAS remediation and Additive Manufacturing respectively and holds 5 patents. His work is funded by DOE\, NSF\, ARO and ONR and collaboration with York funded by the Royal Society.
URL:https://asrc.gc.cuny.edu/event/nanoscience-guest-speaker-materials-synthesis-using-low-temperature-plasmas-from-energy-storage-to-superconductivity-by-dr-shomeek-mukhopadhyay/
LOCATION:ASRC 5th Floor Data Visualization Room\, 85 St. Nicholas Terrace\, New York\, NY\, 10031\, United States
CATEGORIES:Nanoscience,Photonics
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DTSTART;TZID=America/New_York:20251124T110000
DTEND;TZID=America/New_York:20251124T120000
DTSTAMP:20260820T211434
CREATED:20251111T150004Z
LAST-MODIFIED:20251111T170543Z
UID:10001539-1763982000-1763985600@asrc.gc.cuny.edu
SUMMARY:Photonics Initiative Seminar: Siddhartha Ghosh
DESCRIPTION:Dr. Siddhartha Ghosh\, Northeastern University\nAcoustic wave microsystems for chip-scale RF and optical signal processing\nAbstract:  Acoustic waves are well-suited for a variety of signal processing applications including RF filtering and optical modulation. Advances in material and fabrication capabilities have enabled the demonstration of chip-scale subsystems in which phonons can exhibit strong interactions with a variety of other physical domains. This talk will discuss progress in the areas of acousto-electric (AE) amplification and acousto-optic (AO) modulation as well as present the development of a phononic integrated circuit platform. \nIn recent years\, non-reciprocal and switchable delay lines have generated great interest for applications in full duplex radio networks. As a result\, AE-based approaches to mitigating signal interference in the RF front end have been sought. Here we will consider the use of bonding processes for integrating thin film silicon and InGaAs on lithium niobate to produce strong non-reciprocity. These results are developed with regard to implementation in analog correlators and non-magnetic circulators. \nNext\, we will discuss the development of piezoelectrically-actuated AO modulators in polycrystalline and doped aluminum nitride (AlN) materials. Optical coupling to AlN thin films is demonstrated in the telecommunications bands\, enabling monolithic integration of photonic and bulk acoustic resonators. Overlap of these fields enables efficient conversion from RF to optical frequencies\, with applications in integrated microwave photonics and quantum information transfer. \nFinally\, we will present the development of phononic integrated circuits (PnICs) in scandium-doped aluminum nitride thin films on sapphire substrates. Here we demonstrate wavelength-scale confinement of guided surface acoustic waves to generate a library of components including bent waveguides\, splitters and directional couplers. The integration of PnICs with AE and AO effects will thus pave the way for a new class of robust hybrid acoustic microsystems for communications and information processing. \nBio: Siddhartha Ghosh is an Assistant Professor in the Department of Electrical and Computer Engineering at Northeastern University. He received the B.S. degree in from Cornell University in 2007\, the M.S.E. degree from the University of Pennsylvania in 2011 and the Ph.D. degree from Carnegie Mellon University in 2015\, all in electrical engineering. From 2015-2020 he was a member of the Technical Staff at MIT Lincoln Laboratory. He has served in the Technical Program Committees for the IEEE MEMS Conference\, the International Frequency Control Symposium (IFCS) and the CLEO Subcommittee on Micro- and Nano-Photonic Devices. He received the DARPA Young Faculty Award in 2023 and the NSF CAREER Award in 2024. His research interests include piezoelectric MEMS\, optomechanical resonators\, oscillator-based computing and acousto-electronic devices. \nZoom Meeting ID 821 2474 3755 Passcode 727052 \n2025 11 24 Photonics Seminar flier Siddhartha Ghosh
URL:https://asrc.gc.cuny.edu/event/photonics-initiative-seminar-siddharthaghosh/
LOCATION:ASRC Auditorium\, 85 St. Nicholas Terrace\, New York\, NY\, 10031\, United States
CATEGORIES:Photonics
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