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DTSTAMP:20261009T180543Z
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DTSTART;TZID=America/New_York:20261016T140000
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DESCRIPTION:Technical talk by Professor Rajveer Nehra from the University o
 f Massachusetts Amherst at the invitation of UVA IPS.\n\nAbstract: Very-la
 rge-scale integration (VLSI) transformed computing by combining billions o
 f transistors with scalable manufacturing and powerful design tools. As en
 ergy consumption\, data movement\, and interconnect bandwidth increasingly
  constrain processor performance\, integrated photonics offers a complemen
 tary approach: computing and communicating with light in compact\, program
 mable circuits. Optical interference and parallelism across wavelength ena
 ble high-throughput classical processing and communication\, while enginee
 red quantum states and measurements offer routes to exponential computatio
 nal advantages for certain tasks. Realizing these opportunities requires a
  transition familiar from microelectronics: from individual devices to sca
 lable\, controllable\, and manufacturable systems.\nIn this colloquium\, I
  will present our work toward large-scale classical and quantum photonic p
 rocessors using thin-film lithium niobate\, which combines low-loss\, ultr
 afast switches\, and strong nonlinear interactions. I will show how confin
 ing light to nanoscale waveguides enables ultrafast all-optical switching\
 , parametric amplification\, and the generation and measurement of quantum
  states. Drawing parallels with VLSI\, I will discuss the advances in mate
 rials\, fabrication\, circuit design\, and electronic–photonic integrati
 on needed to translate these capabilities into next-generation processors.
 \n\nBio: Rajveer (Raj) Nehra is an Assistant Professor of Electrical and C
 omputer Engineering at the University of Massachusetts Amherst\, with affi
 liations in Physics and the Manning College of Information and Computer Sc
 iences. Prior to joining UMass\, he was a postdoctoral scholar at Caltech 
 and a visiting professor at the University of Tokyo. He received his Ph.D.
  in Physics from the University of Virginia\, where his research earned th
 e Outstanding Graduate Research Award and the Allan Talbott Gwathmey Memor
 ial Award. His research focuses on integrated photonics for next-generatio
 n information systems. His research program is supported by DARPA INSPIRED
  and the NSF VINES program.\n\nCharlottesville\, Virginia\, United States
LOCATION:Charlottesville\, Virginia\, United States
ORGANIZER:yem9he@virginia.edu
SEQUENCE:0
SUMMARY:Computing with Light: Integrated Photonics for Next-Generation Quan
 tum and Classical Processors
URL;VALUE=URI:https://events.vtools.ieee.org/m/583861
X-ALT-DESC:Description: <br /><div>Technical talk by Professor Rajveer Nehr
 a from the University of Massachusetts Amherst at the invitation of UVA IP
 S.</div>\n<div>&nbsp\;</div>\n<div><strong data-olk-copy-source="MessageBo
 dy">Abstract:</strong> Very-large-scale integration (VLSI) transformed com
 puting by combining billions of transistors with scalable manufacturing an
 d powerful design tools. As energy consumption\, data movement\, and inter
 connect bandwidth increasingly constrain processor performance\, integrate
 d photonics offers a complementary approach: computing and communicating w
 ith light in compact\, programmable circuits. Optical interference and par
 allelism across wavelength enable high-throughput classical processing and
  communication\, while engineered quantum states and measurements offer ro
 utes to exponential computational advantages for certain tasks. Realizing 
 these opportunities requires a transition familiar from microelectronics: 
 from individual devices to scalable\, controllable\, and manufacturable sy
 stems.</div>\n<div>In this colloquium\, I will present our work toward lar
 ge-scale classical and quantum photonic processors using thin-film lithium
  niobate\, which combines low-loss\, ultrafast switches\, and strong nonli
 near interactions. I will show how confining light to nanoscale waveguides
  enables ultrafast all-optical switching\, parametric amplification\, and 
 the generation and measurement of quantum states. Drawing parallels with V
 LSI\, I will discuss the advances in materials\, fabrication\, circuit des
 ign\, and electronic&ndash\;photonic integration needed to translate these
  capabilities into next-generation processors.</div>\n<div>&nbsp\;</div>\n
 <div><strong>Bio:</strong> Rajveer (Raj) Nehra is an Assistant Professor o
 f Electrical and Computer Engineering at the University of Massachusetts A
 mherst\, with affiliations in Physics and the Manning College of Informati
 on and Computer Sciences. Prior to joining UMass\, he was a postdoctoral s
 cholar at Caltech and a visiting professor at the University of Tokyo. He 
 received his Ph.D. in Physics from the University of Virginia\, where his 
 research earned the Outstanding Graduate Research Award and the Allan Talb
 ott Gwathmey Memorial Award. His research focuses on integrated photonics 
 for next-generation information systems. His research program is supported
  by DARPA INSPIRED and the NSF VINES program.</div>
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