Journal Articles

  1. Karar, C. Leong Tan, K. Alameh, and Y. T. Lee, “Dielectric Waveguide Optimization for the Enhancement of TE-Polarization Transmission of Plasmonics-Based MSM-PD”, Nanosystems: Physics, Chemistry, Mathematics, 4 (3), P. 378–386, 2013.
  2. Karar, N. Das, CL. Tan, K. Alameh, Y.T. Lee, F. Karouta, “Metal Nano-grating Optimization for Higher Responsivity Plasmonic-based GaAs Metal-Semiconductor-Metal Photodetector”, Journal of Lightwave Technology,vol. 31, pp. 1088-1092, 2013.
  3. Leong Tan, A. Karar, K. Alameh, and Y. T. Lee, “Optical absorption enhancement of hybrid-plasmonic-based metal-semiconductor-metal photodetector incorporating metal nanogratings and embedded metal nanoparticles,” Optics Express, vol. 21, 2013.
  4. Karar, N. Das, CL. Tan, K. Alameh, Y.T. Lee, F. Karouta, “High-responsivity plasmonics-based GaAs metal-semiconductor-metal photodetectors”, Applied Physics Letters, 99(13), art. No. 133112 (1-3), 2011.
  5. Das, A.Karar, M. Vasiliev, CL. Tan, K. Alameh, Y.T. Lee, “Analysis of nano-grating-assisted light absorption enhancement in metal-semiconductor-metal photodetectors patterned using focused ion-beam lithography”, Optics Communications, 284(6), 1694-1700, 2011.
  6. Das, A.Karar, CL. Tan, M. Vasiliev, K. Alameh, Y.T. Lee, “Metal-semiconductor-metal (MSM) photodetectors with plasmonicnanogratings”, Pure and Applied Chemistry, 83(11), 2107-2113, 2011.
  7. Das, A.Karar, CL. Tan, K. Alameh, Y.T. Lee, “Impact of nanograting phase-shift on light absorption enhancement in plasmonics-based metal-semiconductor-metal photodetectors”, Advances in Optical Technologies, (Article ID 504530), 1- 8, DOI: 10.1155/2011/504530, 2011.
  8. Syväjärvi ,A. Kakanakova-Georgieva, G.R. Yazdi, A. Karar, U. Forsberg and E. Janzén, “A surface study of wet etched AlGaNepilayers grown by hot-wall MOCVD”, Journal of Crystal Growth, Vol:300, Issue 1, p: 242-245, March 2007.

 

Conference Publications

  1. Karar, M.F. Grobler, J. Meyer, “Optimization of fibre Bragg refractometer sensor parameters for biochemical applications” 4th Conference on Sensors, MEMS and Electro-Optic Systems (SME16), Kruger National Park,Mpumalanga1350, South Africa September 2016.
  2. Karar, N. Das, CL. Tan, K. Alameh, Y.T. Lee, A. Nirmalathas, “Metal-Semiconductor-Metal Photodetector with Enhanced TE-Polarization Transmission”, Proceedings of International Conference MACRO- AND SUPRAMOLECULAR ARCHITECTURES AND MATERIALS (MAM – 12), Le Meridien, Coimbatore, India, November 2012.
  3. Karar, CL. Tan, K. Alameh, Y.T. Lee, “Plasmonic-based GaAs Balanced Metal-Semiconductor-Metal Photodetector with High Common Mode Rejection Ratio”, High Capacity Optical Networks and Enabling Technologies (HONET), Istanbul, Turkey, December 2012.
  4. Karar, CL. Tan, K. Alameh, Y.T. Lee, “Nano-patterned High-responsivity GaAs Metal-Semiconductor-Metal Photodetector”, High Capacity Optical Networks and Enabling Technologies (HONET), 30-33, Piscataway, N.J., DOI: 10.1109/HONET.2011.6149782, 2011.
  5. Karar, CL. Tan, K. Alameh, Y.T. Lee, “Plasmonic-Based GaAs Metal-Semiconductor-Metal Photodetector”, Proceedings of Hong Kong Optical Engineering International Conference 2011: The Next Era of Optics Technology & Business Opportunities in Illumination, Photonics & Bio-optics, 43, Hong Kong, 2011.
  6. Karar, N. Das, CL. Tan, K. Alameh, Y.T., Lee, “Design of High-Sensitivity Plasmonics-Assisted GaAs Metal-Semiconductor-Metal Photodetectors”, High-Capacity Optical Networks and Enabling Technologies (HONET),2010,138-142, Piscataway, N.J., DOI: 10.1109/HONET.2010.5715761, December 2010.
  7. Das, A. Karar, CL. Tan, K. Alameh, Y.T. Lee, “Impact of metal nano-grating phase-shift on plasmonic MSM photodetectors”, Proceedings of the 7th International Symposium on High Capacity Optical Networks & Enabling Technologies, 6p, Cairo, Egypt, December 2010.
  8. Das, A.Karar, C.Leong Tan, M. Vasiliev, K. Alameh, Y.T. Lee, “MSM Photodetectors with Plasmonic Nano-Gratings”, Proceedings of International Conference on Nanomaterials and Nanotechnology (NANO- 2010), 377-382, India, 2010.
  9. Das, A. Karar, M. Vasiliev, C.Leong Tan, K. Alameh, Y.T. Lee, “Groove Shape-Dependent Absorption Enhancement of 850 nm MSM Photodetectors with Nano-Gratings”, Nanotechnology (IEEE-NANO), 2010 10th IEEE Conference on, 289-293, Piscataway, N.J., DOI: 10.1109/NANO.2010.5697754, 2010.
  10. Leong Tan, V. Lysak, N. Das, A. Karar, K. Alameh, Y.T. Lee, “Absorption Enhancement of MSM Photodetector Structure with a Plasmonic Double Grating Structure” Nanotechnology (IEEE-NANO), 2010 10th IEEE Conference on, 849-853, Piscataway, N.J., DOI: 10.1109/NANO.2010.5697989, 2010.

 

Staff Information
Stay in Touch