11/2014 – 06/2018 University of California at Santa Barbara, CA, USA

Assistant Project Scientist, Electrical & Computer Engineering

Advisor: Prof. Larry A. Coldren

Research focus: InP-based Photonic Integrated Circuits


01/2013 – 10/2014 University of California at Los Angeles, CA, USA

Postdoctoral research scholar, Electrical Engineering

Advisor: Prof. Kang L. Wang

Research focus: Heteroepitaxial growth of GaAs on Silicon by molecular beam epitaxy, van der Waals epitaxy, graphene devices, and VCSELs using graphene electrode


02/2012 – 12/2012 McGill University, Montreal, QC, Canada

Postdoctoral fellow, Electrical & Computer Engineering

Advisor: Prof. Zetian Mi

Research focus: Epitaxial growth and optical / electrical characterization of III-nitride single nanowire, nanoplasmonics, and quantum-dot semiconductor microtube resonators.


05/2008 – 01/2012 Tech. Univ. München (TUM), Walter Schottky Institute, Munich, Germany

PhD, Electrical Engineering

Thesis Advisor: Prof. Markus-Christian Amann

Thesis Title: Electrically-pumped GaSb-based vertical-cavity surface-emitting lasers


04/2006 – 03/2008 Ulm University, Ulm, Germany

M.Sc., Electrical Engineering

Thesis Advisor: Prof. Rainer Michalzik

Thesis Title: Investigations into matrix-addressable VCSEL arrays


07/2000 – 06/2005 Bangladesh University of Engineering & Technology, Dhaka, Bangladesh

B.Sc., Electrical & Electronics Engineering

Thesis Advisor: Prof. Mohammad Ali Choudhury

Thesis Title: Computer interfacing of digital energy meter using data acquisition card