Intellectual Property

 Patent
  1. PI 2011 001566 “Thermo-optic multimode interference (MMI) switch”, Abu Sahmah bin Mohd Supa’at and Abdulaziz M. Al-Hetar. Principal Inventor
  2. Patent Pending, “EDFA Gain Optimization for WDM System”, Abu Sahmah bin Mohd Supa’at and Farah Diana Mahad.
  3. PI 2009 0289 “Modified Cosine S-bend Optical Power Splitter”. Abu Sahmah Mohd Supa’at, Sevia M Idrus, Abu Bakar Mohamad, and Norazan Mohd Kassim. Principal Inventor.
  4. PI 2009 0288 “Cosine S-bend Linear Hybrid Junction Digital Optical Switch”. Abu Sahmah Mohd Supa’at, Sevia M Idrus, Abu Bakar Mohamad, Mohd Haniff Ibrahim, Norazan Mohd Kassim and Ian Yulianti.  Principal Inventor.
  5. PI 2009 3806 “Polymeric Thermo-Optic Variable Optical Attenuator”, Abu Sahmah Mohd Supa’at, Sevia M Idrus, Abu Bakar Mohamad, Mohd Haniff Ibrahim, Norazan Mohd Kassim and Ian Yulianti, Principal Inventor.
  6. PI 2009 4281 “Cosine S-Bend Linear Hybrid Junction Digital Optical Switch With Variable Optical Attenuator”, Abu Sahmah Mohd Supa’at, Sevia M Idrus, Abu Bakar Mohamad, Mohd Haniff Ibrahim, Norazan Mohd Kassim and Ian Yulianti, Principal Inventor.
  7. PI 2008 3525: Multimode Interference Thermo-Optic Switch with Triple Heaters Configuration (2008). Co Inventor.
  8. PI 20083 523: A Dual Band Optical Wavelength Filter Based on Triple Multimode Interference Cavities (2008). Co Inventor.
  9. PI 2008 3524: Fabrication Method of Single Mode Optical Waveguide (2008). Co Inventor.
  10. PI 2009 0086: A Multimode Interference Polymer Based Optical Cross Coupler and    Method of Manufacturing The Same (2009). Co Inventor.
  11. PI 2008 2361: “3.4 GHz Front end Optical Receiver for Radio over Fiber System”, Sevia M Idrus, Abu Bakar Mohamad, Abu Sahmah Supaat, and Hilman Harun, Malaysian Patent Application. May 2008. Co Inventor.
  12. PI 2008 3597: ‘Optical Free Space Feed Forward Linearization System’, Sevia M Idrus, Abu Bakar Mohamad, Abu Sahmah Supaat, and Norazan Mohd Kassim, Malaysian Patent Application. 22 Sept. 2008. Co Inventor.
  13. PI 2006 4277: “2x2 Waveguide Based Thermooptic Photonic Switch’, Abu Bakar Mohamad, Abu Sahmah Mohd Supa’at and Norazan Mohd Kassim. Co Inventor.
 Intelectual Copyright
  1. Trapezoidal Optical Waveguide Modelling Using Combination of Effective Index Method and Beam Propagation Method.
  2. Thermo-optical Switch Electrode Modelling Using Finite Difference Method.
  3. Surface Roughness Modelling of Optical Waveguide Sidewall.
  4. Error Correcting Codes: Cyclic Codes, B.E.E Thesis. (1986)
  5. Optical Video Transceiver Design Using Pulse Frequency Modulation Technique, M.E.E Thesis. (1991)
  6. Development of Thermooptic Switch Based on Directional Couplers: PhD Thesis. (2004)