SAJID Lab — Smart & Advanced Junction of Intelligent Devices

Department of EEE · BUET

From reconfigurable photonic devices and quantum technologies to embedded computing, antennas, and energy systems — we design, simulate, fabricate, and build.

Led by Prof. Sajid Muhaimin Choudhury, PhD

Explore Our Research Meet the Lab

Photonics
- Metasurfaces
- Flat optics
- Phase-change devices
Quantum
- Quantum emitters
- Quantum devices
- Quantum computing
Embedded Systems
- Microcontrollers
- IoT and Edge AI
- Intelligent systems
Antennas
- RF and Microwave
- Wireless systems
- Electromagnetic design
Computing
- Computer architecture
- Hardware acceleration
- AI for engineering
Energy
- Photovoltaics
- Renewable systems
- Sustainable hardware

Emerging
Quantum Computing & Quantum Photonics
Photonic qubits, quantum error correction and device architectures, with emphasis on algorithm–hardware co-design.
- Photonic Qubits
- Quantum Error Correction
- Optical Quantum Systems
Active
Photonics & Nanophotonics
Plasmonic structures, metasurfaces and optical modulators for sensing, communication and light–matter interaction.
- Metasurfaces
- Optical Modulators
- Optical Sensing
Past
Antenna & Electromagnetic Systems
Fractal antennas and reconfigurable metasurfaces for communication and sensing applications.
- Fractal Antennas
- Electromagnetic Modeling
- Wireless Systems
Planning
Computing & AI for Physical Systems
Machine learning, optimisation and physics-informed computation applied to photonic and hardware design.
- AI for Photonics
- Computer Architecture
- Optimization Algorithms
Active
Embedded Systems & IoT
Embedded platforms and intelligent sensing for environmental monitoring and healthcare systems.
- Embedded Systems Design
- Edge Computing
- Hardware Prototyping
Active
Renewable Energy & Sustainable Systems
Photovoltaic technologies and energy harvesting using nanophotonics and energy-aware design.
- Photovoltaics
- Energy Harvesting
- Photocatalysis

Selected Publications

[J028] Dipika Rani Nath, Sadid Muneer, Sajid Muhaimin Choudhury (2026). Hybrid Si--GST polarization-insensitive dynamically tunable bifocal metalens operating at a 1.55μm wavelength. J. Opt. Soc. Am. B.

URL DOI

[J024] Soikot Sarkar, Sajid Muhaimin Choudhury (2025). Efficiency enhancement of c-Si/TiO2 heterojunction thin film solar cell using hybrid metal-dielectric nanostructures. Solar Energy.

URL DOI

[J026] Md. Ehsanul Karim, Md. Redwanul Karim, Sajid Muhaimin Choudhury (2025). Synergizing deep learning and phase change materials for four-state broadband multifunctional metasurfaces in the visible range. Optics & Laser Technology.

DOI

[J021] Prithu Mahmud, Kaniz Fatema Supti, Sajid Muhaimin Choudhury (2024). Lithium niobate photonic topological insulator-based multi-wavelength optical demultiplexer with piezoelectric switch-off. Opt. Express.

DOI

Projects & Engineering Work

Alpha
OMRFlow
Desktop software for designing OMR templates, processing scanned answer sheets, resolving uncertain marks and generating auditable results offline.
- Python
- PySide6
- OpenCV
Active
Scholar Profile Exporter
Userscript that exports a Google Scholar profile to a Publish-or-Perish-style CSV, so citation counts can feed an automated publication list.
- JavaScript
- TamperMonkey
Active
Pi Web Kiosk
Config-driven dual-display Raspberry Pi signage with offline caching, live-site failover and scheduled refresh, running in the EEE main lobby.
- Raspberry Pi
- Bash
- Chromium

View all projects

Team

Dr. Sajid Muhaimin Choudhury

Professor

Department of EEE, BUET, Senior Member (IEEE)

View all team members

Teaching

EEE 6516 (October 2026)

Quantum Computing

Instructions to Hardware: A Gentle Introduction to Computer Architecture, ARM Assembly, and Verilog

A hands-on workshop guide connecting C source code to ARM assembly, machine code, a simplified single-cycle processor, SystemVerilog simulation, and GTKWave inspection.

Aug 11, 2026

EEE 415 (Jan 2026)

Microprocessor and Embedded Systems

Jan 1, 2026

View teaching

Latest News

Puja Das Defends MSc Thesis

Congratulations to Puja Das for defending MSc. Thesis Titled “Efficiency Enhancement of HTL-Free Perovskite/Cadmium-Sulfide Heterojunction Solar Cell Incorporating Light Trapping Structure”.

Sep 24, 2025

Ayon Sarker Defends MSc Thesis

Congratulations to Ayon Sarker for defending MSc. Thesis Titled “DESIGN OF DUAL-BAND PLASMONIC ABSORBER FOR BIOMEDICAL SENSING AND ENVIRONMENTAL MONITORING”.

Jul 5, 2025

Soikot Sarkar Defends MSc Thesis

Congratulations to Soikot Sarkar for defending MSc. Thesis Titled “HYBRID METAL DIELECTRIC NANOSTRUCTURES INTEGRATED HETEROJUNCTION THIN FILM SOLAR CELL FOR EFFICIENCY ENHANCEMENT”.

Jun 1, 2025

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