Meet the People

We are constantly growing and evolving, which results in new opportunities for ambitious people to work in a positive work environment. Whether you are just starting out or an experienced professional, a great future starts here. 

Principal Investigator

Ishan Barman


Department of Mechanical Engineering
Sidney Kimmel Comprehensive Cancer Center
Russell Morgan  Department of Radiology  and Radiological Science

Email: ibarman [at]

Ishan Barman is a Professor in the Department of Mechanical Engineering at Johns Hopkins University with joint appointments in the Departments of Oncology and Radiology and Radiological Science. He graduated from the Indian Institute of Technology (IIT), Kharagpur, before moving to Massachusetts Institute of Technology (MIT) for his M.S. and Ph.D. During his doctoral research, he investigated non-invasive blood glucose sensing using vibrational spectroscopy under Professor Michael Feld. He leads an interdisciplinary research group that is focused on the development of cutting-edge biophotonics technologies with the goal of disease detection at early, manageable stages, monitoring therapeutic effects and treatment outcomes, and guiding interventions. The optical tools generated from these investigations have been leveraged in diverse biomedical environments including in automated recognition of biopsy specimen, real-time diagnosis of middle ear pathology, and as a customized monoclonal antibody identification platform. 

Post Doctoral Researchers

Dr. Peng Zheng

I am interested in studying how light interacts with matter on solid-state systems and harnessing it for developing advanced optical tools, such as nanoscale probes, super-resolution techniques, and optical sensing platforms, to tackle difficult questions in physical and biomedical sciences. In my spare time, I enjoy playing soccer, running, swimming, hiking, and canoeing. pzheng7 [at]

Dr. Swati Tanwar

Molecular self-assembly is a promising route to build complex systems with unique biological functions. My current research interest focuses on engineering smart nanodevices using nature’s toolkit, particularly DNA and peptides for photonic and biological applications. stanwar1 [at]

 Graduate Students

Piyush Raj

I am a 3rd year Ph.D. student in the Barman Lab. I completed my undergraduate in mechanical engineering from IIT Guwahati and after a short stint as a mechanical workshop supervisor at L&T Heavy Engineering, joined IISc Bangalore in their Nanoscience master’s program. After finishing my masters, I joined JHU where I am currently working on non-invasive glucose sensing, SORS, Raman cell and tumor imaging, quantitative phase imaging, and plasmonics. praj4 [at]

Pooja Anantha

Employing quantitative phase imaging and Raman spectroscopy, I delve into the morphological and molecular intricacies of cellular processes. Specifically, my focus is on studying the effects of various conditions on rat cortical astrocyte morphology. Additionally, I explore human adipocyte morphology, lipid formation, and composition during the differentiation process.

pananth1 [at]

Lintong Wu

My research interests center on developing nanodevices based on self-assembled DNA nanostructures and DNA nanostructure-directed self-assembly of metal nanoparticles, for the understanding of plasmonic properties in metallic nanostructures and application in nanophotonics, bioimaging, and drug delivery. My hobbies are doing experiments, reading, sports, and cooking. lintongwu [at]

Saransh Arora

Microscopy, Microfabrication, Microfluidics, Microaggressions. What sound does a micro cow make? Mu. Secretly uses lab 3-D printer at night to make toys. Afraid of dogs.saransharora [at]

Arnab Chatterjee

Robotics, Design and Art. Jack of all cards, master of quite a few. Won several design awards. Designer of Hybrid Adaptive transport for United States Marine Corps, winner of 2019 US Navy design hackathon. Research interest: Combining robotics with optics across various disciplines. Hobbies: Hiking, Marksmanship, Racing, concept art. achatt13 [at]

Anoushka Gupta

Currently, my research aims towards understanding cartilage degradation and morphomolecular changes in cancer cells with help of optical techniques. In my free time, I like to play table tennis and read books. 

agupt130 [at]  

Undergraduate Students

Zuriel Erikson Joven 

My research interests include low-cost and non-invasive diagnostics, intersections of optics and medical robotics, quantitative and statistical methods for biological modeling and spectroscopy, and applications of architected materials in biomechanics. In my free time I enjoy firespinning, tennis, game development, and playing Minecraft. 

zjoven1 [at]


Postdoctoral Fellows

Doctoral Students

MSE Students

Visiting Scientists

Visiting Graduate and Undergraduate Students

Undergraduate Research Advisees