Judith Su
@JudithTTSu
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Associate Professor, Biomedical Engineering; Associate Professor, Optical Sciences, University of Arizona
Tucson, AZ
Joined August 2010
I am honored to have been elected as a Fellow of Optica. I would like to express my gratitude for the support of my peers, my sponsors, and the diligent efforts of my talented group. https://t.co/Nv3kkw7qs6
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This issue highlights 30 of the most exciting peer-reviewed optics papers from the past year. My thoughts on optics in 2026 and beyond were also included. Many thanks to my team and sponsors (NIH and Gordon and Betty Moore Foundation) for making this possible.
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I’m honored that our work on label-free optical mapping of single 5-nm quantum dots made the front cover of Optics & Photonics News’ year-end issue.
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I'm delighted to be giving another talk at @Caltech on October 23. I look forward to sharing ideas and discussion of mutual research interests. Applied Physics Seminar -
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I look forward to meeting more people and exploring mutual research interests through discussions.
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I’m excited to give a talk at Caltech’s Chemical Physics Seminar on October 21, 2025, at 2:00 PM in Noyes 153! I’ll be discussing our recent and ongoing developments in label-free, ultra-sensitive optical sensing platforms using microtoroid resonators. https://t.co/CoTzSzNdu7
cce.caltech.edu
Fast, Ultrasensitive, Label-Free Molecular Detection with Light
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Honored that our work on label-free optical mapping of single 5-nm quantum dots using our photothermal-based FLOWER platform was selected for inclusion in Optics & Photonics News’ Year in Optics 2025 issue. https://t.co/ZsDCMIrrvq
nature.com
Light: Science & Applications - We demonstrate ultra-sensitive photothermal microscopy with whispering gallery mode microtoroid resonators, detecting single 5 nm quantum dots with...
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I’m excited to be visiting @Caltech in October! I’ll be giving a seminar on Thursday, October 2 at 4 pm in Gates Annex B122. I look forward to meeting people there and furthering mutual research interests through discussion.
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Grateful to my students, collaborators, mentors, and sponsors who have contributed to building FLOWER into a versatile sensing platform.
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I’m happy to share that our Feature Article is featured on the front cover of Chemical Communications as part of the Pioneering Investigators collection. Link to article: https://t.co/7SH265dbhT
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Thrilled to share that our team under the leadership of Prineha Narang has been selected as a Stage 1 Winner of the @NIH Quantum Sensing Technology Challenge. Read the announcement here:
challenge.gov
Challenge.gov is the official government website supporting prize challenges and prize competitions that are sponsored by the US federal government. Here federal agencies provide prize awards to...
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I appreciate all my lab members, collaborators, and sponsors who made this possible
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I am glad to share our latest article which is part of Chemical Communications' 2025 Emerging Investigators collection. The article focuses on my past and current research and puts it in perspective:
pubs.rsc.org
The ability to detect trace amounts of biomolecules, chemicals, and environmental contaminants is critical for advancing diagnostics, drug discovery, and public health. Most high-sensitivity detect...
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Glad to share our latest work entitled: Free-space-coupled, frequency-locked microtoroid sensor for part-per-trillion detection of mustard gas simulant.
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I'm glad to participate in this moderated panel discussion this morning at the @OpticaWorldwide Sensing Congress: Precision Versus Price-Point: Core Driver of the Sensing Domain When: Thursday, 24 July 08:00 - 09:30 Where: International I, II, Hilton Long Beach
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It was an honor to present to Winnie Ye the Robert E. Hopkins Leadership Award at @OpticalSociety 's 2025 Integrated Photonics Research conference (IPR) 2025 in Marseille. Congratulations on this wonderful achievement!
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New article in Optics & Photonics News! "Frequency Combs for Chemistry, Biology, and Medicine": https://t.co/qhk2Ol9tf2 Excited to share our vision for pushing this tech toward real-world impact. @NSF @NIH @doddtra
optica-opn.org
Optical frequency combs can provide new insights into molecular diagnostics and disease mechanisms.
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