Article

Mahmud, Zulkifli and Ibrahim@Ghazali, Siti Azlida and Azman, Mohd Fahmi and Mokhtar, Mohd Ridzuan and Abdul Rashid, Hairul Azhar and Mad Zahir, Mohamad Hafizal (2024) Distributed magnetic field sensor using nickel-acrylate composite coated silica optical fiber. Optik - International Journal for Light and Electron Optics, 305. p. 171788. ISSN 0030-4026

Jabidin, Hafiz Zulhazmi and Ibrahim@Ghazali, Siti Azlida and Dzulkefly Zan, Mohd Saiful and Musa, Siti Musliha Aishah and Mansoor, Amilia and Ngo, Hong Yeap and Abdul Aziz, Nurul Ain and Choo, Kan Yeep and A. Bakar, Ahmad Ashrif and Mokhtar, Mohd Ridzuan and Tee, Connie and Abdul Rashid, Hairul Azhar (2024) Review on Digital Signal Processing (DSP) Algorithm for Distributed Acoustic Sensing (DAS) for Ground Disturbance Detection. International Journal of Integrated Engineering, 16 (2). pp. 102-113. ISSN 2229-838X

Md Rodzi, Noor Shafikah and Mokhtar, Mohd Ridzuan (2023) Highly sensitive vibration frequency sensing utilising serial in-line Mach-Zehnder interferometer. Optik - International Journal for Light and Electron Optics, 291. p. 171372. ISSN 0030-4026

Alsowaidi, Naif Ahmed Ali and Eltaif, Tawfig and Mokhtar, Mohd Ridzuan (2022) Performance Comparison of Different Modulation Formats for a 40 Gbps Hybrid Optical CDMA/DWDM System against ISI and FWM. Photonics, 9 (8). p. 555. ISSN 2304-6732

Alsowaidi, Naif Ahmed Ali and A. Eltaif, Tawfig Ahmad and Mokhtar, Mohd Ridzuan (2020) Performance analysis of a hybrid optical CDMA/DWDM system against inter-symbol interference and four wave mixing. Digital Communications and Networks. pp. 1-6. ISSN 2352-8648

Mokhtar, Mohd Ridzuan and M., Roslinaa (2019) Self-referencing optical intensity sensor based on radio-frequency spectrum interrogation. Optical Fiber Technology, 53. pp. 1-4. ISSN 1068-5200

Mokhtar, Mohd Ridzuan and Yusoff, Zulfadzli and Md Rodzi, Noor Shafikah (2019) Determination of physical location of fiber Bragg gratings using traversal heat-induced phase shift. MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, 61 (5). pp. 1171-1176. ISSN 0895-2477, 1098-2760

Mokhtar, Mohd Ridzuan and A. Eltaif, Tawfig Ahmad and Alsowaidi, Naif Ahmed Ali (2019) Suppression of inter and intra channel four wave mixing effects in optical CDMA over DWDM hybrid system. Chinese Optics Letters, 12 (1). pp. 155-166. ISSN 1671-7694

Mokhtar, Mohd Ridzuan and Ahmed Qasem, Sharif and Alsowaidi, Naif Ahmed Ali and A. Eltaif, Tawfig Ahmad (2019) Design of Cost Efficient Optical Code Division Multiple Access (CDMA) Channels Overlay Wavelength Division Multiplexing (WDM) Grid. International Journal on Communications Antenna and Propagation (IRECAP), 9 (1). pp. 55-61. ISSN 2039-5086

Alsowaidi, Naif Ahmed Ali and Eltaif, Tawfig and Mokhtar, Mohd Ridzuan (2019) Hybrid optical CDMA and DWDM system implemented under the influence of Non-linear effects. Indonesian Journal of Electrical Engineering and Computer Science, 15 (3). p. 1485. ISSN 2502-4752

Nasir, A. H. M. and Mokhtar, Mohd Ridzuan and Rodzi, N. S. M. (2019) In-line Mach-Zehnder Interferometer based on Hybrid Structures for Refractive Index Sensin. International Journal of Recent Technology and Engineering, 8 (3S). pp. 36-40. ISSN 2277-3878

Eltaif, Tawfig and Alsowaidi, Naif Ahmed Ali and Mokhtar, Mohd Ridzuan (2018) Performance enhancement of optical PPM-CDMA using successive interference cancellation scheme. International Journal on Communications Antenna and Propagation, 8 (5). pp. 390-397. ISSN 20395086

M., Roslina and Abdul Rashid, Hairul Azhar and Mokhtar, Mohd Ridzuan and Yusoff, Zulfadzli (2018) Passive Sub-Carrier Multiplexing for Discriminating Overlapped Optical Spectra. IEEE Photonics Technology Letters, 30 (20). pp. 1784-1787. ISSN 1041-1135

Alsowaidi, Naif Ahmed Ali and Alaghbari, Khaled Ab. Aziz and Mokhtar, Mohd Ridzuan and A. Eltaif, Tawfig Ahmad (2018) Mitigation of inter-symbol interference and four wave mixing using CDMA technology in hybrid system. JP Journal of Heat and Mass Transfer, 15 (1). pp. 147-156. ISSN 0973-5763

Alsowaidi, Naif Ahmed Ali and Eltaif, Tawfig and Mokhtar, Mohd Ridzuan and Hamida, Belal Ahmed (2018) Reduction of Four-Wave Mixing in DWDM System using Electro-Optic Phase Modulator. International Journal of Electrical and Computer Engineering (IJECE), 8 (4). p. 2384. ISSN 2088-8708

Raji, Y. M. and Lin, H. S. and Ibrahim@Ghazali, Siti Azlida and Mokhtar, Mohd Ridzuan and Yusoff, Zulfadzli (2016) Intensity-modulated abrupt tapered Fiber Mach-Zehnder Interferometer for the simultaneous sensing of temperature and curvature. Optics & Laser Technology, 86. pp. 8-13. ISSN 00303992

Lin, Horng Sheng and Raji, Yusuf Muhammed and Lim, Jee Hock and Lim, Siong Kang and Mokhtar, Mohd Ridzuan and Yusoff, Zulfadzli (2016) Packaged in-line Mach–Zehnder interferometer for highly sensitive curvature and flexural strain sensing. Sensors and Actuators A: Physical, 250. pp. 237-242. ISSN 0924-4247

Alsowaidi, Naif Ahmed Ali and A. Eltaif, Tawfig Ahmad and Mokhtar, Mohd Ridzuan (2016) Successive Interference Cancellation for DS-Optical PPM-CDMA Systems. Journal of Optical Communications, 37 (2). pp. 221-225. ISSN 0173-4911

Falah, Ahmed Ahmed Saleh and Mokhtar, Mohd Ridzuan and Yusoff, Zulfadzli and Ibsen, Morten (2016) Reconfigurable Phase Shifted Fiber Bragg Grating Using Localized Micro-Strain. IEEE Photonics Technology Letters, 28 (9). pp. 951-954. ISSN 1041-1135

Alsowaidi, Naif Ahmed Ali and A. Eltaif, Tawfig Ahmad and Mokhtar, Mohd Ridzuan (2015) Performance Analysis of SAC Optical PPM-CDMA System-Based Interference Rejection Technique. Journal of Optical Communications, 37 (1). pp. 87-92. ISSN 0173-4911

Mokhtar, Mohd Ridzuan and Saleh Falah, Ahmed Ahmed and Hamarsheh, Mohammad M. N. (2015) Tunable fiber Bragg grating phase shift by simple pressure packaging. Optical Engineering, 54 (1). ISSN 0091-3286

Abdul Rashid, Hairul Azhar and Yusoff, Zulfadzli and Mansoor, Amilia and Mokhtar, Mohd Ridzuan and Phua, Y. N. and Lin, H. S. (2014) Tunable Brillouin-erbium fiber laser incorporating a low-cost biconic tapered fiber. Journal of Modern Optics, 61 (3). pp. 239-243. ISSN 0950-0340

Ariffin, Alawiah and Intan, A. M. and Abdul Rashid, Hairul Azhar and Yusoff, Zulfadzli and Mokhtar, Mohd Ridzuan and Bauk, S. and Wan Abdullah, W. S. and Mat Sharif, K. A. and Mahdiraji, G. A. and Mahamd Adikan, F. R. and Tamchek, N. and Noor, N. M. and Bradley, D. A. (2013) Thermoluminescence characteristics of flat optical fiber in radiation dosimetry under different electron irradiation conditions. Micro-structured and Specialty Optical Fibres II, 8775.

Abdul Rashid, Hairul Azhar and Mokhtar, Mohd Ridzuan and Yusoff, Zulfadzli and Gopinathan, Vinesh and Al-Qdah, Malik T. and A. Rahman, Faidz (2008) Chromatic dispersion measurement using optical beating null frequency. Optical Engineering, 47 (2). ISSN 00913286

Book Section

Daud, S. A. and Mohamed, Khalid Sheikhidris and Abdul Rashid, Hairul Azhar and Mokhtar, Mohd Ridzuan and Yusoff, Zulfadzli and Abd Rahman, Faidz and Emami, Siamak Dawazdah and Harun, Sulaiman Wadi and Ahmad, Harith (2008) Shorter wavelength gain shift in EDFA using a macro-bending approach. In: IEEE PhotonicsGlobal@Singapore, 2008. IPGC 2008. IEEE, pp. 412-414. ISBN 978-1-4244-2906-6

Conference or Workshop Item

Alsowaidi, Naif Ahmed Ali and Eltaif, Tawfig and Mokhtar, Mohd Ridzuan (2023) Performance Investigation of Hybrid Optical CDMA/ DWDM System Under the Influence of FWM. In: 2023 IEEE 16th Malaysia International Conference on Communication (MICC), 10-12 December 2023, Kuala Lumpur, Malaysia.

Md Rodzi, Noor Shafikah and Mokhtar, Mohd Ridzuan and Yusoff, Zulfadzli (2022) Macro-Index Modulation in Optical Fiber. In: Postgraduate Colloquium December 2022, 1-15 December 2022, Multimedia University, Malaysia. (Unpublished)

Mokhtar, Mohd Ridzuan and Yusoff, Zulfadzli and Md Rodzi, Noor Shafikah (2020) Effect of Confined Heating on Down-tapered Fiber In-line Mach-Zehnder Interferometer. In: 2020 IEEE 8th International Conference on Photonics (ICP), Kota Bharu, Malaysia, 12 May-30 June 2020.

Mustaffa, Nawal Athirah and Azman, Mohd Fahmi and Mokhtar, Mohd Ridzuan and Abdul Rashid, Hairul Azhar and Yusoff, Zulfadzli and Mahmud, Zulkifli (2020) In-line Fiber Mach-Zehnder Interferometer with Enhanced Strain Sensitivity Using Off-Axis Coating. In: 2020 IEEE 8th International Conference on Photonics (ICP), 12 May-30 June 2020, Kota Bharu, Malaysia.

Mokhtar, Mohd Ridzuan and Mustaffa, Nawal Athirah and Azman, Mohd Fahmi and Mahmud, Zulkifli and Abdul Rashid, Hairul Azhar (2020) Investigation of Strain Magnification Effect on Fiber Optic by Using COMSOL Multiphysics Software. In: 2020 IEEE 8th International Conference on Photonics (ICP), 12 May-30 June 2020, Kota Bharu, Malaysia.

Mustaffa, N. A. and Mokhtar, Mohd Ridzuan and Azman, M. F. and Yusoff, Zulfadzli and Abdul Rashid, Hairul Azhar and Mahmud, Z. and Ghazali, A. R. and Abdul Rahim, M. F. (2020) Improved Sensitivity Distributed Pressure Sensor Using Off-Axis Coated Single Mode Fiber. In: EAGE Workshop on Fiber Optic Sensing for Energy Applications in Asia Pacific, 9-11 November 2020, Kuala Lumpur, Malaysia.

Mahmud, Z. and Ibrahim, S. A. and Azman, M. F. and Yaacob, Mohd Hanif and Mokhtar, Mohd Ridzuan and Abdul Rashid, Hairul Azhar and Ghazali, A. R. and Abdul Rahim, M. F. (2020) Single Mode Fiber with Nickel-Acrylate Coating for Magnetic Field Sensing. In: EAGE Workshop on Fiber Optic Sensing for Energy Applications in Asia Pacific, 9-11 November 2020, Kuala Lumpur, Malaysia.

Md Rodzi, Noor Shafikah and Mokhtar, Mohd Ridzuan and Yusoff, Zulfadzli (2018) Experimental Analyses of Confined Thermal Effect on Chirped Fiber Bragg Grating. In: 2018 IEEE 7th International Conference on Photonics (ICP), 9-11 April 2018, Kuah, Malaysia.

Mokhtar, Mohd Ridzuan and Jamaludin, M L H (2018) Polarization and Probe Power Optimisation in Brillouin Optical Time Domain Analysis System. In: 2018 IEEE 7th International Conference on Photonics (ICP), 9-11 April 2018, Kuah, Malaysia.

Alsowaidi, Naif Ahmed Ali and Eltaif, Tawfig and Mokhtar, Mohd Ridzuan (2018) Signal Quality Improvement in Optical PPM-CDMA Systems Based SIC Scheme. In: 2018 IEEE 3rd Optoelectronics Global Conference (OGC), Shenzhen, China, 4-7 Sept. 2018.