Product Development Engineer

• Jul 2022 - Present

Developing quantum key distribution hardware for space. Developing quantum key distribution hardware for space.

Optics Engineer

• Jun 2021 - Jun 2022

Founder in Residence (EFSG9)

• Jan 2021 - Mar 2021

Research Engineer

• Apr 2019 - Jan 2021

Responsible in development of commercial quantum key distribution (QKD) system and specialized control/ measurement devices. - Designed and tested a working entanglement based QKD prototype. - Managed multiple trial runs of the QKD prototype in commercial settings. - Communicated the use case of QKD in cybersecurity to potential end-users. - Developed libraries and sample scripts in Python, Labview for various electronics devices via USB-serial. - Developing a cost effective single photon detector module for QKD and industry use. - Responsible in mechanical design for various optomechanical and electronics modules, including fabrication/testing of prototypes. Show less

Research Engineer

• Jun 2018 - Mar 2019

- Designed and integrated a prototype Ka-band communication module, involving mechanical design, fabrication, and electronic testing. - Conceptualized and integrated a miniature two-axis gimbal system for high gain antenna. Programmed control of the gimbal through a Beaglebone Black via UART protocol. - Developed various control electronics for RF front-end and onboard computer with Altium. - Performed static thermal analysis on prototype communication payload with FEM. - Designed and integrated a prototype Ka-band communication module, involving mechanical design, fabrication, and electronic testing. - Conceptualized and integrated a miniature two-axis gimbal system for high gain antenna. Programmed control of the gimbal through a Beaglebone Black via UART protocol. - Developed various control electronics for RF front-end and onboard computer with Altium. - Performed static thermal analysis on prototype communication payload with FEM.

PHD Student

• Jan 2013 - Feb 2018

- Built an experimental cold atom-dilution fridge setup for future study of interaction between atoms and superconducting qubits. - Assembled, aligned and integrated optomechanical and laser systems: diode lasers, AOMs, photodiodes, etc. - Methodically analyzed and improved analog PI locking for precise laser frequency control. Effectively learned and developed a general purpose digital PI lock with Labview FPGA (MyRIO). - Systematically debugged optical, electronic or microwave setups with use of oscilloscopes, spectrum analyzer, VNA, power meter, optical wavemeter, etc. - Reliably developed CCD camera control and automated image labeling for atomic cloud imaging with Labview. Developed GUI for image processing with MATLAB. - Independently designed and implemented programmable synchronous analog/digital outputs interface with DAQ devices with Labview. - Cleaned, arranged or numerically transformed data with Python (Pandas) or MATLAB. Fitted data with suitable numerical functions. - Performed numerical transformation on simulated magnetic field, involving numerical integration, differentiation, polynomial curve fitting etc. - Resourcefully prototyped various analog electronics for experiment in Altium/ Eagle: buffer circuits, differential amplifiers, MOSFET electronics, etc. - Integrated and optimized RF electronics like Low-Pass Filters, RF amplifiers, bias-tee, mixers, etc. to experiment. Show less