Published papers

1. Omar M.S. Ghazal, Nasser Babazadeh, David T. D. Childs, Benjamin J. Stevens, Richard A. Hogg, and Kristian M. Groom, “GaAs-based superluminescent diodes with window-like facet structure for low spectral modulation at high output powers”, Semiconductor Science and Technology, 31(3), 2016.
2. Omar M.S. Ghazal, Nasser Babazadeh, David T. D. Childs, Benjamin J. Stevens, Richard A. Hogg, and Kristian M. Groom, “GaAs-Based Self-Aligned Stripe Superluminescent Diodes Processed Normal to the Cleaved Facets”, SPIE Photonic West Proceedings, 13-18 February 2016, San Francisco, California, USA.
3. Omar M.S. Ghazal, Nasser Babazadeh, David T. D. Childs, Benjamin J. Stevens, Richard A. Hogg, and Kristian M. Groom, “Self-aligned Stripe Semiconductor Optical Amplifiers with Buried Facets”, Electronic Letters, 2016. (Rejected and now in the process to resubmit following the required corrections,).

Oral talks and posters presented in conferences

1. Omar M.S. Ghazal, Kristian M. Groom, Nasser Babazadeh, David T. D. Childs, Benjamin J. Stevens, and Richard A. Hogg, “High-power GaAs-based Superluminescent Diodes with Low Spectral Modulation”, UK Semiconductor 2014, July-2014, Sheffield, United Kingdom.
2. Omar M. S. Ghazal, Kristian M. Groom, Benjamin. J. Stevens, Nasser Babazadeh, David T. D. Childs and Richard A. Hogg, "GaAs Based Superluminescent Diodes Employing Window Facets in a Self-Aligned Stripe," 2014 International Semiconductor Laser Conference, Palma de Mallorca, 2014, pp. 175-176.
3. Omar M.S. Ghazal, Kristian M. Groom, Nasser Babazadeh, David T. D. Childs, Benjamin J. Stevens, and Richard A. Hogg, “GaAs Self-Aligned Stripe Superluminescent Diodes Processed Normal to the Cleaved Facets”, Semiconductor and Integrated Optoelectronics SIOE’15 Conference, 31st March-2nd April 2015, Cardiff, Wales.
4. Omar M.S. Ghazal, Kristian M. Groom, Nasser Babazadeh, David T. D. Childs, Benjamin J. Stevens, and Richard A. Hogg, “High-Power GaAs-based Superluminescent Diodes Employing Window-like Facets for Low Spectral Modulation”, Conference of Laser and Electro-Optics (CLEO) Europe -European Quantum Electronics Conference, 21-25 June 2015, Munich, Germany.

• GaAs-Based Semiconductor laser, 
• semiconductor broadband optical devices (SLDs, SOAs), 
• semiconductor devices simulations, 
• waveguide engineering, 
• semiconductor material epitaxial growth, 
• semiconductor devices fabrication processes, and 
• biomedical applications of semiconductor lasers.

For Undergraduate Studies

• Digital Logic (Theoretical + Experimental).
• Random Signals & Numerical Analysis.
• Optical Communications
• Satellite Communications

Main Lecturer of the following subjects

• Numerical analysis and engineering probability, Electrical and Computer Engineering Department, University of Duhok.
• Digital Logic, Computer Science department, University of Duhok.
• Optical Communications (part of mutual Module), Electrical and Computer Engineering Department, University of Duhok.
• Satellite Communications module (part of mutual module), Electrical and Computer Engineering Department, University of Duhok.

Scientific supervision for the following laboratories

• Digital Logic, Computer Science Department, University of Duhok.
• C++ Programming, Electrical and Computer Engineering Department, University of Duhok.
• Data Structure and Algorithms, Electrical and Computer Engineering Department, University of Duhok.
• Communication Systems, Electrical and Computer Engineering Department, University of Duhok.
• Electrical Circuits Laboratory, Electrical and Computer Engineering Department, University of Duhok.

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