siti nasuha mustaffa, p. susthitha menon, mohd zulhakimi ab razak, muhamad hakim izani, afiq arif aminuddin jafry, sulaiman wadi harun, ahmad razif muhammad.  (2025).  tailoring waist diameter of tapered optical fiber coated with mxene ti3c2tx for enhanced relative humidity sensing.  - fiber and integrated optics.  347 - 364. 

siti nasuha mustaffa, ahmad razif muhammad, aliaa m salem, soliman i el-hout, hassan nageh, nurul athirah mohamad abdul ghafar, aeriyn dwierni ahmad, hazlihan haris, arni munira markom.  (2025).  microsecond and picosecond pulse generation in an erbium-doped fiber laser using a polyaniline-reduced graphene oxide (pani-rgo) based saturable absorber.  - physica scripta.  1 - 13. 

nurul izzah s wadi, zulzilawati jusoh, ahmad razif muhammad, b a ahmad, sameer salam.  (2024).  nanosecond-pulse fiber laser mode-locked with iron phthalocyanine.  - physica scripta.  95525 - 95532. 

siti nasuha mustaffa, nadhrah md yatim, affa rozana abdul rashid, vatsala pithaih , nur shahirah sha'ari, ahmad razif muhammad, azaham abdul rahman, nur akmar jamil, p. susthitha menon, nadrah md yatim.  (2023).  visible and angular interrogation of kretschmann based spr using hybrid au zno optical sensor for hyperuricemia detection.  - heliyon.  1-11. 

siti nasuha mustaffa, affa rozana abdul rashid, tan sin jin, p. susthitha menon, mohd zulhakimi ab razak, arni munira markom, hazlihan haris, ismail saad, ahmad razif muhammad.  (2023).  metal oxide coated optical fiber for humidity sensing application: a review.  - ieee access.  1-33. 

salam m. azooz, sameer salam, abdulkadir mukhtar diblawe, ahmad r. muhammad, bilal nizamani, sulaiman wadi harun.  (2024).  harnessing tin phthalocyanine for ultrafast mode-locking in an erbium-doped fiber laser.  - applied optics.  6300 - 6305. 

md ashadi md johari, mohd hafiz bin jali, haziezol helmi bin mohd yusof, aminah binti ahmad, ar muhammad, muhammad imran mustafa abdul khudus, sulaiman wadi harun.  (2022).  comparative study on single and double optical microbottle resonator for ethanol gas sensor.  - optoelectronics and advanced materials-rapid communications.  414-418. 

arni munira markom, ahmad razif muhammad, mukul chandra paul, sulaiman wadi harun.  (2022).  50 cm of zirconia, bismuth and silica erbium-doped fibers for double-pass amplification with a broadband mirror.  - current optics and photonics.  32-38. 

a. r. muhammad, a. a. a. jafry, a. m. markom, s. w. harun, z. jusoh, n. kasim, p. yupapin.  (2021).  titanium aluminum carbide coated d-shaped fiber as passive sturable absorber for nanosecond pulses generation.  - chalcogenide letters.  129-135. 

h. haris, a. r. muhammad, s. j. tan, s. w. harun, i. saad.  (2021).  pulse generation of mode-locking fiber laser at 1.053 µm using graphene oxide film as saturable absorber.  - digest journal of nanomaterials and biostructures.  1461-1467. 

siti nasuha mustaffa, p. susthitha menon, mohd zulhakimi ab razak, muhamad hakim izani, afiq arif aminuddin jafry, sulaiman wadi harun, ahmad razif muhammad.  (2025).  tailoring waist diameter of tapered optical fiber coated with mxene ti3c2tx for enhanced relative humidity sensing.  - fiber and integrated optics.  347 - 364. 

siti nasuha mustaffa, ahmad razif muhammad, aliaa m salem, soliman i el-hout, hassan nageh, nurul athirah mohamad abdul ghafar, aeriyn dwierni ahmad, hazlihan haris, arni munira markom.  (2025).  microsecond and picosecond pulse generation in an erbium-doped fiber laser using a polyaniline-reduced graphene oxide (pani-rgo) based saturable absorber.  - physica scripta.  1 - 13. 

nurul izzah s wadi, zulzilawati jusoh, ahmad razif muhammad, b a ahmad, sameer salam.  (2024).  nanosecond-pulse fiber laser mode-locked with iron phthalocyanine.  - physica scripta.  95525 - 95532. 

salam m. azooz, sameer salam, abdulkadir mukhtar diblawe, ahmad r. muhammad, bilal nizamani, sulaiman wadi harun.  (2024).  harnessing tin phthalocyanine for ultrafast mode-locking in an erbium-doped fiber laser.  - applied optics.  6300 - 6305. 

nurul athirah mohamad abdul ghafar, arni munira markom, ahmad haziq aiman rosol, nur farhanah zulkipli, suziana omar, ahmad razif muhammad, hazlihan haris, ismail saad, sulaiman wadi harun.  (2024).  q-switched pulse generation in erbium-based with niobium aluminium carbide saturable absorber.  - journal of advanced research in micro and nano engineering.  99 - 106. 

muhammad khairul ashraf azmi, siti nasuha mustaffa, abang annuar ehsan, ahmad razif muhammad.  (2025).  passively q-switched erbium-doped fiber laser using molybdenum trioxide-based saturable absorber at 1.5 µm.  - passively q-switched erbium-doped fiber laser using molybdenum trioxide-based saturable absorber at 1.5 µm.  1 - 10. 

haris, hazlihan, razif muhammad, ahmad, munira markom, arni, razani haron, ahmad, ibrahim, pungut, lago, herwansyah, chang yii, chai, muhammad ikhsan megat hasnan, megat, aqilah mohamad, nur, livan anyi, caroline, wadi harun, sulaiman, sin jin, tan.  (2025).  generation of mode-locked dissipative solitons with sidebands in an erbium-doped fiber laser using bi2te3.  - journal of physics: conference series.  1 - 8. 

mustaffa, siti nasuha, izani, muhamad hakim, azmi, muhammad khairul ashraf, muhammad, ahmad razif.  (2025).  study on the effect of reducing tapered waist diameter for relative humidity sensing.  - journal of physics: conference series.  1 - 5. 

a ahmad, m f a rahman, m a m johari, a a latiff, m h jali, h h m yusof, x s cheng, a r muhammad, s w harun.  (2021).  hafnium bismuth erbium co-doped fiber based dark pulses generation with black phosphorus as saturable absorber.  - the 4th photonics meeting 2021 (pm21).  1-8. 

nurul athirah mohamad abdul ghafar, arni munira markom, marni azira markom, ahmad razif muhammad.  (2021).  optical fiber sensor for heavy chemical detection: an overview.  - the 4th photonics meeting 2021 (pm21).  1-6. 

azrul azlan hamzah, norfilza mohd mokhtar, muhammad aniq shazni mohammad haniff, ahmad razif muhammad.  (2025).  optical routes to non-invasive detection of glucose and related biomarkers in blood aqueous mediums for pre-diabetes diagnosis and monitoring.  - .  313 - 352. 

p susthitha menon, atiqah mohd afdzaluddin, ahmad razif muhammad, jumril yunas, ahmad ghadafi ismail, nur hidayah azeman, hafzaliza erny zainal abidin, burhanuddin yeop majlis, shafii abd wahab, ramdzan buyong, ahmad rifqi md zain.  (2024).  buletin alumni imen (bil 3) 2023.  - buletin alumni imen (bil 3) 2023.  1-12. 

p susthitha menon, atiqah mohd afdzaluddin, ahmad razif muhammad, jumril yunas, ahmad ghadafi ismail, nur hidayah azeman, hafzaliza erny zainal abidin, burhanuddin yeop majlis, shafii abd wahab, ramdzan buyong, ahmad rifqi md zain.  (2023).  buletin alumni imen (bil 2) 2023.  - buletin alumni imen (bil 2) 2023.  1-10. 

p susthitha menon, atiqah mohd afdzaluddin, ahmad razif muhammad, jumril yunas, ahmad ghadafi ismail, nur hidayah azeman, hafzaliza erny zainal abidin, burhanuddin yeop majlis, shafii abd wahab, ramdzan buyong, ahmad rifqi md zain.  (2023).  buletin alumni imen (bil 1) 2023.  - buletin alumni imen (bil 1) 2023.  1-20. 

p susthitha menon, atiqah mohd afdzaluddin, ahmad razif muhammad, jumril yunas, ahmad ghadafi ismail, nur hidayah azeman, hafzaliza erny zainal abidin, burhanuddin yeop majlis, shafii abd wahab, ramdzan buyong, ahmad rifqi md zain.  (2024).  buletin alumni imen (bil 3) 2023.  - buletin alumni imen (bil 3) 2023.  1-12. 

p susthitha menon, atiqah mohd afdzaluddin, ahmad razif muhammad, jumril yunas, ahmad ghadafi ismail, nur hidayah azeman, hafzaliza erny zainal abidin, burhanuddin yeop majlis, shafii abd wahab, ramdzan buyong, ahmad rifqi md zain.  (2023).  buletin alumni imen (bil 2) 2023.  - buletin alumni imen (bil 2) 2023.  1-10. 

p susthitha menon, atiqah mohd afdzaluddin, ahmad razif muhammad, jumril yunas, ahmad ghadafi ismail, nur hidayah azeman, hafzaliza erny zainal abidin, burhanuddin yeop majlis, shafii abd wahab, ramdzan buyong, ahmad rifqi md zain.  (2023).  buletin alumni imen (bil 1) 2023.  - buletin alumni imen (bil 1) 2023.  1-20.