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SUMMARY:Multiscale Light–Matter Interactions: From Perovskite Lattice Re
 sponses to Metasurface-based Bioimaging
DTSTART:20250905T140000
DTEND:20250905T150000
DTSTAMP:20260507T183142Z
UID:e5162753d4db873bfc985e6b2870864729693f7c7c3971b5543e5948
CATEGORIES:Conferences - Seminars
DESCRIPTION:Siying Peng\nNanophotonics has been enjoying a trend of conver
 gence with many technologies in the past decades\, including renewable ene
 rgy\, cancer therapy and sensing. It is foreseeable that nanophotonics wil
 l be indispensable in emerging industries such as augmented reality\, virt
 ual reality\, and personalized medicine.\nMy research explores light–mat
 ter interactions at the subwavelength scale in emerging photonic materials
 \, with broad implications for device technologies. In this talk\, I will 
 first present our work using optical in-situ electron microscopy to uncove
 r how the perovskite lattice responds to light and charge carriers\, and h
 ow this interplay drives reversible phase segregation in mixed halide pero
 vskites. I will then highlight our advances in perovskite-based optoelectr
 onics\, including the realization of room-temperature\, continuous-wave ch
 iral exciton–polariton lasers. Finally\, I will discuss our interdiscipl
 inary efforts in nanophotonics\, where tailoring the optical and thermal r
 esponses of metasurfaces has enabled ultrasensitive photothermal imaging f
 or biomolecular detection.\n\nSpeaker Biography: Siying Peng is an assist
 ant professor in the department of materials science and engineering at We
 stlake University in Hangzhou\, China. Siying received her Ph.D. in physic
 s from California Institute of Technology and B.S. in physics and mathemat
 ics from Texas A&M University. She was a GLAM Fellowship postdoctoral rese
 archer at the Geballe Laboratory for Advanced Materials at Stanford Univer
 sity.
LOCATION:ME B1 10 https://plan.epfl.ch/?room==ME%20B1%2010
STATUS:CONFIRMED
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