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. 

n.f. zulkipli, c.y. beh, h.c. teng, a.r. muhammad, a.h.a. rosol, r.a.m. yusoff, n.ahmed, s. omar, m. yasin, s.w. harun.  (2023).  neodymium oxide saturable absorber for generating q-switched and mode-locked pulses in 1.55-micron region.  - optik.  1-16. 

huda adnan zain, malathy batumalay, hazlihan haris, ismail saad, ahmad razif muhammad, siti nasuha mustaffa, arni munira markom, hazli rafis abdul rahim, sin jin tan, sulaiman wadi harun.  (2023).  review of microbottle resonators for sensing applications.  - micromachines.  1-14. 

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. 

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. 

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. 

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. 

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. 

hazlihan haris, lilik jamilatul awalin, ahmad razif muhammad, siti nasuha mustaffa, arni munira markom, megat muhammad ikhsan megat hasnan, sulaiman wadi harun, sin jin tan, ismail saad.  (2024).  dissipative soliton generation with sidebands using bismuth telluride (bi2te3) in erbium doped fiber laser.  - bulletin of electrical engineering and informatics.  3976 - 3982. 

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. 

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. 

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.