Rifat Ahmmed A.
Senior Ebeam Process Engineer, BAE Systems (Integrated Photonics । Nanophotonics । Micro-and Nanofabrication । Optical Setup & Characterization । Optical Modelling)
- Role
- Senior Process Engineer Ebeam Lithography at BAE Systems
- Location
- Nashua, NH, US
- LinkedIn followers
- 500 followers
About Rifat Ahmmed A.
With over 8 years of hands-on experience in optical modeling, guided wave and free-space optical setups, and nano/microfabrication of semiconductor devices, I bring a strong skill set to advance optics, photonics systems, and cutting-edge semiconductor process development.Technical Skills:• Design/ Simulation: CST Microwave Studio, Ansys Lumerical, RCWA, COMSOL Multiphysics, Zemax. • Programming: MATLAB, Python, KLayout, Beamer, LabVIEW, JMP, CAD, SPC, Tracer, Blender, CorelDraw, Origin. • Cleanroom Skills: Electron beam lithography (EBPG 5150, EBPG Raith 150, Voyager), Photolithography (Heidelberg Maskless Aligner 150, Direct Laser Writing 66+, Mask Aligners), PECVD, Electron-Beam evaporator, Thermal evaporator, Sputtering, ALD, CVD, PVD, ICP etching, RIE, Wet etching, Metlrology analysis, Stylus profilometer, Ellipsometer, Filmetrics, Dicing saw, Polishing, SEM, EDS, Annealing. • Device Characterizations: Integrated photonic device characterizations using Edge coupling, Grating coupling, and Fiber arrays. Developed free-space optical setups for Optical imaging system, Diffraction measurement, Microfluidic sensing, Transmission, and Reflection measurement. • Tools: UV-Vis system, Spectrometers (Visible to NIR), Detectors, Power meter, Multimeter, Optical spectrum analyser (OSA), Signal generator, Function generator, High power lasers, Oscilloscope, Optical fibers, Fiber lasers, Fiber connectors, Fiber optic tools such as Cleavers, Splicers, Fiber components such as Fiber coupler, Splitters, Circulators, Fiber attenuators, Lensed fiber, Fiber polarizer.You can reach me at: a•••••••@gmail.com
Experience
Senior Process Engineer Ebeam Lithography
Jun 2025 — Present · NH, US
Education
Rajshahi University of Engineering & Technology
Bachelor of Science in Engineering (B.Sc. Eng.), Department of Electronics and Telecommunication Engineering
2008 — 2012
The Australian National University
Doctor of Philosophy - PhD, Optics/Optical Sciences
University of Malaya
Master of Engineering Science , Department of Electrical Engineering (Major- Photonics)
2014 — 2016
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