Aug 2021 – Aug 2022 · 1 yr · Warsaw, Mazowieckie, Poland · On-site

• Developed a fiber-based optofluidic device, achieving 10× throughput and >70 % trapping efficiency over conventional designs for cell immobilization in flow channels, enabling rapid leukemia diagnosis using Raman fingerprinting.
• Developed a label-free optical speckle imaging system for bacteria quantification using droplet microfluidics with high sensitivity (~100 CFU/droplet), reducing antibacterial susceptibility test time to under 2 hours.

Jan 2018 – Apr 2021 · 3 yrs 3 mos · Austin, Texas Area · On-site

• Integrated photonic nanostructures with optical fiber and glass-based micro/nanofluidic chip for developing prototyped miniaturized systems for optothermal nanoparticle manipulation.
• Designed, simulated and fabricated nanophotonic structures resulting in 100-fold signal enhancement for single molecule fluorescence microscopy and Raman spectroscopy.
• Assisted in writing of research proposals (NIH, NSF), supported lab growth through optical/electrical equipment procurement, student training, and preparation of technical reports.
• Provided support to junior colleagues to execute experimental plans and fabrication of devices.

May 2016 – Dec 2017 · 1 yr 7 mos · Ann Arbor · On-site

• Developed an optical trapping-based flow cytometer system for high-throughput multiparametric characterization of single HIV virus and liposomal drugs using integrated optical back-focal-plane interferometry and two-photon fluorescence microscopy.
• Developed software application using LabVIEW and MATLAB for instrument control, synchronized data acquisition and real-time data processing to build a fully automated flow cytometer system.
• Experience working in cleanroom with micro/nanofabrication and metrology tools.
• Documented research findings and published results in scientific journals and made technical presentations in international conferences
• Constantly reviewed the recent technological and scientific findings related to the projects.

Sep 2014 – Dec 2015 · 1 yr 3 mos · Victoria, Canada

• Provided lecture and tutorial sessions on Signals and Systems (Elec 260) and Electricity and Magnetism (Elec 216) for undergraduate students in Department of Electrical and Computer Engineering.
• Lab instructor for Applied Electromagnetics and Photonics course (Elec 340).

Sep 2012 – May 2016 · 3 yrs 8 mos · Victoria, Canada

• Designed, simulated, fabricated and performed optical characterization of several nanophotonic structures, leading to a nanophotonic tweezers system with 2000-fold improvement in performance over conventional systems.
• Introduced applications of the nanophotonic tweezers system as nanoparticle size and concentration sensor and protein, DNA characterization tool.
• Built optical set-ups using lasers, photodetectors, opto-mechanical components, CCD etc. for optical trapping, sensing and spectroscopy applications.
• Collaborated with “Vertex Pharmaceuticals USA” to translate the nanotweezers system into an industrial drug discovery tool.
• Developed and conceptualized device design and fabrication using optical fiber and template stripping nanofabrication technique for commercial translation of the technology.
• Hand-on experience with micro/nanofabrication tools (FIB, SEM) for fabrication of photonic nanostructures.

Aug 2010 – Mar 2012 · 1 yr 7 mos · New Delhi Area, India · Hybrid

• Designed, simulated and fabricated a wideband planar antenna operating in C band for synthetic aperture radar applications.
• Designed and evaluated performance of cavity reflex antennas with frequency selective surfaces (FSS)

Mar 2010 – Jul 2012 · 2 yrs 4 mos · Darjiling Area, India · On-site

• Installed, operated and maintained optical fiber and microwave communication networks.
• Fault detection and correction of optical fiber communication systems.

Apr 2005 – Jul 2005 · 3 mos · Dehra Dun Area, India

• Project: Numerical Character Generation for CCIR-B Standard Video.
• Developed a VHDL code for implementation of numerical character generation using field programmable gate arrays (FPGA chip) and verified the design on CCIR-B standard video.