Laboratory CollectiveE&ECE · IIT Kharagpur

Research TeamThe minds behind the optics.

A multidisciplinary research collective spanning semiconductor physicists, photonics engineers, and cleanroom nanofabricators pioneering atomic-layer exciton physics and deep-tech quantum optoelectronic systems.

Group LeadershipFaculty Profile

Principal Investigator

Leading quantum optoelectronics and light-matter exploration at the Department of Electronics & Electrical Communication Engineering, IIT Kharagpur.

Dr. Sarthak Das
Office: Room A-106, E&ECE
PH.D.IISc Bangalore (2022)
POST-PHDScientist, A*STAR Singapore
JOINEDIIT Kharagpur (July 2026)
Curriculum Vitae
FACULTY & RESEARCH DIRECTOR

Dr. Sarthak Das

Assistant Professor · Principal Investigator, ALO

Sarthak leads the Advanced Laboratory for Optoelectronics (ALO) at IIT Kharagpur. His research focuses on the fundamental limits of light-matter interactions, atomic-layer exciton physics, and CMOS-compatible optoelectronic devices. He received his Ph.D. from the Indian Institute of Science (IISc), Bangalore, and subsequently spent over four and a half years as a Research Scientist at A*STAR in Singapore (IMRE & Quantum Innovation Centre) before joining IIT Kharagpur in July 2026.

Academic & Professional Milestones
2014B.Tech. in ECEKalyani Govt. Engineering College
2016M.Tech. in ETCEJadavpur University
2022Ph.D. in PhysicsIndian Institute of Science (IISc)
2022–2026Research ScientistIMRE & QInC, A*STAR Singapore
2026–PresentAssistant ProfessorDept. of E&ECE, IIT Kharagpur
Personal journey & life outside the lab

I grew up in Berhampore, Murshidabad, West Bengal, completing my schooling at Berhampore J.N. Academy. I received my B.Tech. degree from Kalyani Government Engineering College in 2014, followed by an M.Tech. from Jadavpur University in 2016. I then pursued my Ph.D. at the Indian Institute of Science (IISc), Bangalore, graduating in 2022. Following my Ph.D., I moved to Singapore in January 2022 and worked as a Research Scientist at the Institute of Materials Research and Engineering (IMRE) and later at the Quantum Innovation Centre (QInC) under A*STAR for over four and a half years. In July 2026, I joined the Department of Electronics and Electrical Communication Engineering at IIT Kharagpur as an Assistant Professor. Outside the lab, I enjoy exploring new places, meeting people from diverse backgrounds, and learning about different cultures. I have a keen interest in trekking and long-distance running, and I frequently experiment with new recipes in the kitchen whenever time permits.

Postdoctoral FellowsIndependent Research

Postdoctoral Researchers

Fellows leading independent investigations in spin-valley spectroscopy, cryogenic quantum devices, and photonic integration.

Postdoc fellowship guidelines
Name

Name

Postdoctoral Fellow · Optoelectronics
OPEN POSITIONNational Postdoc FellowshipCryogenic Probing

Project they work on, and the funding source if relevant.

Name

Name

Postdoctoral Fellow · Optoelectronics
OPEN POSITIONNational Postdoc FellowshipCryogenic Probing

Leading experimental setup and van der Waals quantum heterostructures.

Doctoral ResearchFounding Cohort

PhD Scholars & Positions

As a newly established research laboratory, we are recruiting our founding cohort of motivated doctoral scholars via GATE, NET, PMRF, and Institute Fellowships.

View PhD eligibility criteria
Sarthak Das

Sarthak Das

PhD Scholar · 2026–present
2D ExcitonsValleytronics

I grew up in Berhampore, Murshidabad, West Bengal, where I completed my schooling at Berhampore J.N. Academy. I received my B.Tech. degree from Kalyani Government Engineering College in 2014, followed by an M.Tech. from Jadavpur University in 2016. I then pursued my Ph.D. at the Indian Institute of Science (IISc), Bangalore, graduating in 2022. Following my Ph.D., I moved to Singapore in January 2022 and worked as a Research Scientist at the Institute of Materials Research and Engineering (IMRE) and later at the Quantum Innovation Centre (QInC) under A*STAR for over four and a half years. In July 2026, I joined the Department of Electronics and Electrical Communication Engineering at IIT Kharagpur as an Assistant Professor. Outside the lab, I enjoy exploring new places, meeting people from diverse backgrounds, and learning about different cultures. I have recently developed an interest in trekking and long-distance running, and I also enjoy experimenting with new recipes in the kitchen whenever time permits.

Student ResearchersProjects & Theses

Masters & Project Students

M.Tech and B.Tech students from IIT Kharagpur executing semester-long projects, instrument automation, and numerical device simulations.

M.Tech / Dual Degree Scholar

M.Tech / Dual Degree Scholar

M.Tech Thesis Student · Dept. of E&ECE
OPEN POSITIONThesis ProjectCleanroom LithographyWaveguide Simulation

Year-long thesis project on electromagnetic finite-difference time-domain (FDTD) simulations and nanophotonic grating coupler design.

B.Tech Project Researcher

B.Tech Project Researcher

Undergraduate Researcher · IIT Kharagpur
OPEN POSITIONBTP ProjectLabVIEW AutomationInstrument Control

Automated data acquisition pipelines, cryogenic stage temperature PID logging, and confocal microscope motorized spatial mapping.

Past MembersGlobal Impact

Alumni & Network

ALO was founded in 2026. As our first scholars graduate, their research and next destinations will be listed here.

Coming in time

Our first graduates will appear here

Every scholar who trains at ALO will be listed with their project and next destination.
Join Our Group

Interested in joining our research team?

We are actively looking for passionate researchers with backgrounds in Physics, Electronics, Materials Science, or Nanotechnology. PMRF, Institute Fellowships, and Postdoctoral positions are open.