Dr. Mohd Adzir Mahdi Profile

Dr. Mohd Adzir Mahdi

Associate Professor at Univ Putra Malaysia

SPIE Involvement:

Author

Publications (10)

SPIE Journal Paper | 30 September 2021

Performance reduction and discrepancies between supported and suspended 1D photonic-crystal/photonic-wire with medium extended microcavity length

Mohd N. Nawi, Dilla Duryha Berhanuddin, Mohd Adzir Mahdi, Burhanuddin Yeop Majlis, Richard De La Rue, Ahmad Rifqi Md Zain

JNP, Vol. 15, Issue 03, 036013, (September 2021) https://doi.org/10.1117/12.10.1117/1.JNP.15.036013

KEYWORDS: Waveguides, Optical microcavities, Silicon, Silica, Cladding, Transmittance, Mirrors, Etching, Light scattering, Fluorine

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SPIE Journal Paper | 30 October 2020

Photoluminescence property of laser-ablated zinc oxide-carbon quantum dots nanocomposites for detection of Hg and Pb ions

Amir Sadrolhosseini, Mohr. Ikmal Hafizi Bin Azaman, Amir Masoud Arabi, Suhaidi Shafie, Nur Hazahsha Shamsudin, Mohd Adzir Mahdi, Suraya Abdul Rashid

JNP, Vol. 14, Issue 04, 046004, (October 2020) https://doi.org/10.1117/12.10.1117/1.JNP.14.046004

KEYWORDS: Luminescence, Mercury, Lead, Ions, Laser ablation, Zinc, Composites, Quantum dots, Nanoparticles, FT-IR spectroscopy

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SPIE Journal Paper | 6 August 2018

IM/DD dual stream asymmetrically clipped optical OFDM system

Mohammed Salman Baig, Ahmad Fauzi Abas, Mohammed Thamer Alresheedi, Mohd Adzir Mahdi

OE, Vol. 57, Issue 08, 086103, (August 2018) https://doi.org/10.1117/12.10.1117/1.OE.57.8.086103

KEYWORDS: Orthogonal frequency division multiplexing, Adaptive optics, Receivers, Signal to noise ratio, Modulation, Interference (communication), Transmitters, Monte Carlo methods, Quadrature amplitude modulation, Optical engineering

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Proceedings Article | 14 May 2018 Paper

Triple wavelength fiber laser employing SOA incorporated with a tapered fiber

N. A. N. M. Mookran, N. A. M. Ahmad Hambali, M. H. A. Wahid, M. M. Shahimin, M. A. Mahdi

Proceedings Volume 10662, 106620S (2018) https://doi.org/10.1117/12.2304762

KEYWORDS: Fiber lasers, Structured optical fibers, Cladding, Semiconductor optical amplifiers, Optical amplifiers, Single mode fibers, Signal to noise ratio, Fiber amplifiers, Semiconductors, Photonics

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SPIE Journal Paper | 28 February 2014

Linewidth optimization in fiber grating Fabry–Perot laser

Hisham Hisham, Ghafour Amouzad Mahdiraji, Ahmad Fauzi Abas, Mohd Adzir Mahdi, Faisal Rafiq Mahamd Adikan

OE, Vol. 53, Issue 02, 026107, (February 2014) https://doi.org/10.1117/12.10.1117/1.OE.53.2.026107

KEYWORDS: Reflectivity, Fiber lasers, Semiconductor lasers, Laser damage threshold, Antireflective coatings, Fiber Bragg gratings, Laser resonators, Communication engineering, Optical engineering, Temperature metrology

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SPIE Journal Paper | 1 December 2011

Ultrafast two-bit all-optical analog-to-digital conversion based on femtosecond soliton sequence sampling

Aida Esmaeilian-Marnani, Ahmad Fauzi Abas, Mohd Adzir Mahdi, Khairulmizam Samsudin

OE, Vol. 50, Issue 12, 125001, (December 2011) https://doi.org/10.1117/12.10.1117/1.3656752

KEYWORDS: Solitons, Terahertz radiation, Femtosecond phenomena, Ultrafast phenomena, Optical filters, Picosecond phenomena, Analog electronics, Nonlinear filtering, Single mode fibers, Optical engineering

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Proceedings Article | 19 February 2009 Paper

Multiwavelength Brillouin-erbium fiber laser incorporating stimulated Brillouin scattering as mirror

Mohammed Ajiya, Mohd Adzir Mahdi, Mohammed Hayder Al-Mansoori, Nor Azura Malini Ahmad Hambali, Yu Gang Shee

Proceedings Volume 7195, 71952K (2009) https://doi.org/10.1117/12.808586

KEYWORDS: Fiber lasers, Erbium, Laser scattering, Scattering, Mirrors, Laser resonators, Communication engineering, Optical amplifiers, Signal generators, Telecommunications

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Proceedings Article | 3 October 2006 Paper

Gain-control hybrid Raman fiber amplifier/EDFA incorporating ring cavity with a single pump source

A. Ahmad, M. Md Ali, A. Zamzuri, M. Mahdi

Proceedings Volume 6353, 635321 (2006) https://doi.org/10.1117/12.691535

KEYWORDS: Radiofrequency ablation, Signal attenuation, Optical amplifiers, Raman spectroscopy, Fiber amplifiers, Semiconductor lasers, Bandpass filters, Telecommunications, Computing systems, Communication engineering

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Proceedings Article | 3 December 2005 Paper

Intertwined twist and triangular arrangement for 3x3 fused couplers

A. Z. Shaari, S. Shaari, M. Mahdi

Proceedings Volume 6019, 60193N (2005) https://doi.org/10.1117/12.634670

KEYWORDS: Chromium, Fiber couplers, Stars, Fiber to the x, Electroluminescence, Photonics, Refractive index, Photodetectors, Fabrication, Nanoelectronics

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SPIE Journal Paper | 1 February 2001

Effects of signal seeding on long-wavelength-band Er3+-doped fiber amplifiers

Mohd Mahdi, F. Adikan, P. Poopalan, S. Selvakennedy, Harith Ahmad

OE, Vol. 40, Issue 02, (February 2001) https://doi.org/10.1117/12.10.1117/1.1336528

KEYWORDS: L band, Interference (communication), Energy transfer, Optical amplifiers, Fiber amplifiers, Absorption, Erbium, Signal attenuation, Amplifiers, Optical engineering

Showing 5 of 10 publications

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