Apurba Paul

Experimental Physicist

Optical Manipulation • Nanoscale Sensing • Microscopy • Photonics

I am an experimental physicist working at the intersection of optics, nanotechnology, and biophysics. My research combines optical manipulation, nanopore and nanopipette sensing, advanced microscopy, photonics, and scientific instrumentation to investigate and control matter from the single-molecule to the microscale.

I am a Postdoctoral Research Associate in the Department of Electrical Engineering at the University of Notre Dame, working with Prof. Gregory Timp.

Optical Assembly & Photonic Metamaterials

I use time-shared standing-wave optical traps to assemble nanoparticles into three-dimensional structures. Hydrogel scaffolds preserve the assemblies, supporting the development of photonic metamaterials.

Nanopore & Nanopipette Single-Molecule Sensing

I combine nanoscale electrical sensing, high-bandwidth current measurements, and computational analysis to investigate peptides, proteins, and biological samples.

Advanced Microscopy & Biological Imaging

I use complementary electron and optical microscopy to study nanostructures and biological systems, connecting imaging with quantitative analysis across spatial and temporal scales.

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