ali jabbar abed al-nidawi, khamirul amin matori, mohd hafiz mohd zaid, josephine liew ying chyi, tan sin tee, abdul rahman sarmani, muhammad asif ahmad khushaini , ahmad rifqi md zain, wurood rahi mutlage.  (2024).  effect of high concentration of zno on the structural and optical properties of silicate glass system.  - results in optics.  1-7. 

nur afifah ahmad nazri, nur hidayah azeman, mohd hafiz abu bakar, nadhratun naiim mobarak, athiyah sakinah masran, ahmad rifqi md zain, mohd adzir mahdi, adhitya gandaryus saputro, triati dewi kencana wung, yunhan luo, ahmad ashrif a bakar.  (2024).  polymeric carbon quantum dots as efficient chlorophyll sensor-analysis based on experimental and computational investigation..  - optics and laser technology.  1-11. 

tengku hasnan bin tengku abdul aziz;ahmad rifqi bin md zain;norhayati binti abu bakar.  (2024).  enhancement of photoluminescence intensity of graphene quantum dots using surface plasmon resonance of gold nanorods.  - .  . 

nathaniel leong, mohd hanif yaacob, ahmad rifqi md zain, tengku hasnan tengku abdul aziz, annie christianus, chou min chong, mohd adzir mahdi.  (2024).  colloidal surface-enhanced raman spectroscopic study of grouper epidermal mucus using acidified sodium sulphate as the aggregating agent.  - spectrochimica acta part a: molecular and biomolecular spectroscopy.  1-8. 

a.j.a. al-nidawi, k.a. matori, m.h.m. zaid, j.y.c. liew, m.a.a. khushaini, a.r.m. zain, w.r.m. mutage , m.a.m. abuallan, a.m.e. efa.  (2023).  enhancement of elastic properties and surface plasmon resonance with the addition of boron oxide to the zno sio2 glass system.  - journal of non-crystalline solids.  1-10. 

ahmad rifqi bin md zain;tengku hasnan bin tengku abdul aziz;saiful effendi bin syafruddin;mohamad aimanuddin bin mohtar.  (2023).  optical sensor technique based on high quality factor suspended 1d photonic crystal (phc) structures for creatinine detection using non-invasive approach..  - .  . 

ahmad ashrif bin a bakar;ahmad rifqi bin md zain;mohd hadri hafiz bin mokhtar.  (2023).  advancement of optical microfiber sensor based on structure modification and sensing techniques for smart farming..  - .  . 

mona ebadi, nurul asikin-mijan, mohd suzeren md. jamil, anwar iqbal, emad yousif, ahmad rifqi md zain, tengku hasnan tengku aziz, muhammad rahimi yusop.  (2023).  palladium nanoparticles on chitosan-coated superparamagnetic manganese ferrite: a biocompatible heterogeneous catalyst for nitroarene reduction and allyl carbamate deprotection.  - polymers.  1-18. 

lita rahmasari, mohd faizol abdullah, ahmad rifqi md zain, abdul manaf hashim.  (2023).  highly sensitive optofluidic sensor of 2d si phc l3 cavity for detection of glucose and bovine serum albumin.  - silicon.  1-11. 

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, hasnizah idris, ahmad sabirin zoolfakar, maizatul zolkapli, azrif manut, norhayati soin, rozina abdul rani, iskandar yahya, lee xiao xian, and ahmad rifqi md zain.  (2023).  ed malaysia kuala lumpur chapter stem programs funded by ieee eds educational activities in malaysia.  - ieee electron devices society (eds) newsletter april 2023.  41-42. 

muhammad asif ahmad khushaini, nur hidayah azeman, tg hasnan tg abdul aziz, ahmad ashrif a bakar, richard m. de la rue, ahmad rifqi md zain , burhanuddin yeop majlis, clarence augustine thtee.  (2023).  third-order nonlinearity with subradiance dark-state in ultra-strong excitons and surface plasmon coupling using self-antiaggregation organic dye.  - physica scripta.  1-11. 

mona ebadi, ahmad rifqi md zain, tengku hasnan tengku abdul aziz, hossein mohammadi, clarence augustine th tee, muhammad rahimi yusop.  (2023).  formulation and characterization of fe3o4@peg nanoparticles loaded sorafenib; molecular studies and evaluation of cytotoxicity in liver cancer cell lines.  - polymers.  1-21. 

s. n. rosli, n. k. othman, a. r. md zain.  (2023).  electrochemical impedance spectroscopy (eis) analysis of green corrosion inhibitor of etlingera elatior extracts for mild steel in acidic media.  - proceedings of the 7th international corrosion prevention symposium for research scholars (corsym 2021).  159-166. 

syahidah nabila rosli, norinsan kamil othman, ahmad rifqi md zain.  (2023).  kajian terhadap eis dan kaedah kehilangan berat: novel perencat kakisan hijau daripada ekstrak etlingera elatior.  - sains malaysiana.  2323-2336. 

muhammad asif a. khushaini, nur hidayah azeman, chin-hoong teh, rusli daik, ahmad ghadafi ismail, burhanuddin yeop majlis, muhammad mat salleh, wan ahmad hafiz wan md adnan, tg hasnan tg abdul aziz, ahmad ashrif a bakar, ahmad rifqi md zain.  (2022).  electrochemical metallization process on screen-printed electrode for creatinine monitoring application.  - ieee sensors journal.  9268-9275. 

muhammad asif ahmad khushaini, nur hidayah azeman, muhamad mat salleh, tg hasnan tg abdul aziz, ahmad ashrif a bakar, richard m. de la rue, ahmad rifqi md zain.  (2022).  exploiting a strong coupling regime of organic pentamer surface plasmon resonance based on the otto configuration for creatinine detection.  - optics express.  14478-14491. 

mohd hafiz abu bakar, nur hidayah azeman, nadhratun naiim mobarak, nur afifah ahmad nazri, tengku hasnan tengku abdul aziz, ahmad rifqi md zain, norhana arsad, ahmad ashrif a. bakar..  (2022).  succinyl-k-carrageenan silver nanotriangles composite for ammonium localized surface plasmon resonance sensor.  - polymers.  1-17. 

dilla duryha binti berhanuddin;norhana binti arsad;akrajas bin ali umar;ahmad rifqi bin md zain.  (2022).  the development of silicon based light-emitting device using hybrid optically active point-defect and photonic crystal (phc) techniques.  - .  . 

nur afifah ahmad nazri, nur hidayah azeman, mohd hafiz abu bakar, nadhratun naiim mobarak, tg hasnan tg abd aziz, ahmad rifqi md zain, norhana arsad, yunhan luo and ahmad ashrif a. bakar.  (2022).  chlorophyll detection by localized surface plasmon resonance using functionalized carbon quantum dots triangle ag nanoparticles.  - nanomaterials.  1-11. 

nur afifah ahmad nazri , nur hidayah azeman , mohd hafiz abu bakar, nadhratun naiim mobarak,yunhan luo, norhana arsad , tg hasnan tg abd aziz, ahmad rifqi md zain, ahmad ashrif a. bakar.  (2022).  localized surface plasmon resonance decorated with carbon quantum dots and triangular ag nanoparticles for chlorophyll detection.  - nanomaterials.  1-12. 

nur hidayah azeman, mohd hafiz abu bakar, nur afifah ahmad nazri, nadhratun naiim mobarak, muhammad asif ahmad khushaini, tengku hasnan tengku abdul aziz, ahmad rifqi md zain, ahmad ashrif a. bakar.  (2022).  carboxymethyl chitosan/graphene oxide/silver nanotriangles nanohybrid as the sensing materials for the enhancement of ammonia localized surface plasmon resonance sensor.  - optics and laser technology.  1-12. 

p. susthitha menon n v visvanathan, mohd ambri mohamed, jahariah sampe, ahmad rifqi md zain, puvaneswaran chelvanathan, jamilah husna.  (2022).  the investigation of vacuum annealing treatment effect on the metal oxide cuo/cu2o/cu for semitransparent solar cell application purpose.  - imen postgraduate colloquium 2022.  1-5. 

n. b. khairulazdan, p. s. menon, a. r. md. zain, d. d. berhanuddin.  (2022).  optimization of photonic crystal structure by fdtd method to improve the light extraction efficiency in silicon.  - chalcogenide letter.  493-501. 

lilik hasanah , adryan ashidiq , roer eka pawinanto, budi mulyanti, chandra wulandari, wiendartun, ahmad rifqi md. zain.  (2022).  dimensional optimization of tio2 nanodisk photonic crystals on lead iodide (mapbi3) perovskite solar cells by using fdtd simulations.  - applied sciences.  1-9. 

mohamad hazwan haron, dilla duryha berhanuddin, burhanuddin yeop majlis, ahmad rifqi md. zain.  (2021).  double-peak one-dimensional photonic crystal cavity in parallel configuration for temperature self-compensation in sensing.  - applied optics.  1667-1673. 

muhammad hazwan haron, burhanuddin yeop majlis, ahmad rifqi md zain.  (2021).  increasing the quality factor (q) of 1d photonic crystal cavity with an end loop-mirror.  - photonics.  1-11. 

syahidah nabila rosli, norinsan kamil othman, ahmad rifqi md. zain.  (2021).  electrochemical impedance spectroscopy (eis) analysis of green corrosion inhibitor of etlingera elatior extracts for mild steel in acidic media.  - 7th international corrosion prevention virtual symposium for research scholars (corsym2021).  1-16. 

ahmad rifqi bin md zain;burhanuddin bin yeop majlis.  (2021).  high sensitivity of a high quality factor photonic crystal (phc) multiple cavities based on silicon on insulator (soi).  - .  . 

muhammad asif ahmad khushaini, nur hidayah azeman, ahmad ghadafi ismail, chin hoong teh, muhammad mat salleh, ahmad ashrif a. bakar, tg hasnan tg abdul aziz, ahmad rifqi md zain.  (2021).  high stability resistive switching mechanism of a screen printed electrode based on bobzbt2 organic pentamer for creatinine detection.  - scientific reports.  1-11. 

mohd n. nawi, dilla d. berhanuddin, mohd a. mahdi, burhanuddin y. majlis, richard m. de la rue, ahmad r. md zain.  (2021).  performance reduction and discrepancies between supported and suspended 1d photonic-crystal/photonicwire with medium extended microcavity length.  - journal of nanophotonics.  1-9. 

ahmad rifqi md zain.  (2021).  struktur peranti ultra tinggi q faktor satu dimensi fotonik kristal (phc) / fotonik wayar (phw) berdasarkan silicon on insulator (soi) untuk penginderaan label percuma.  - .  1-5. 

auni afrina muhammad azlan lim, asilah aisyah mohamad yusoff, muhamad asif a. khushaini, ahmad ghadafi ismail, tengku hasnan tengku abdul aziz, ahmad rifqi md zain.  (2021).  a study of repeatability and reproducibility of amperometric sensor based on bobzbt2 pentamer for creatinine detection.  - 2021 ieee regional symposium on micro and nanoelectronics (rsm).  145-148. 

nur hidayah azeman, muhammad asif ahmad khushaini, rusli daik, ahmad ghadafi ismail, burhanuddin yeop majlis, muhammad mat salleh, tg hasnan tg abdul aziz, ahmad ashrif a bakar, ahmad rifqi md zain, chin-hoong teh.  (2021).  synthesis of a 1,4-bis[2-(5-thiophen-2-yl)-1-benzothiophene]-2,5- dioctyloxybenzene pentamer for creatinine detection.  - asian journal of organic chemistry.  2406-2417. 

ummi kalsom noor din, muhamad mat salleh, tengku hasnan tengku aziz, ahmad rifqi md zain, mohd. ambri mohamed, akrajas ali umar.  (2021).  on the performance of polymer-inorganic perovskite oxide composite light-emitting diodes: the effect of perovskite srtio3 additives.  - nanomaterials and nanotechnology.  1-9. 

muhammad ashraf saiful badri, noor farain md noor, ahmad rifqi md zain, muhamad matsalleh, tengku hasnan tengku abdul aziz.  (2021).  exfoliated graphene-alkaline lignin-pedot:pss composite as a transparent conductive electrode.  - nanomaterials and nanotechnology.  1-8. 

nor hidayah roslan, aziati h. awang, mohd hanapiah m. yusoff, ahmad rifqi md zain.  (2021).  comparison of lithium niobate and silicon substrate on phase shift and efficiency performance for mach-zehnder interferometer modulator.  - indonesian journal of electrical engineering and computer science.  352-360. 

p susthitha menon, nur akmar jamil, gan siew mei, ahmad rifqi md zain, daniel hewak, chung-che huang, mohd ambri mohamed, burhanuddin yeop majlis, ravi k. mishra, srinivasan raghavan, navakanta bhat.  (2020).  multilayer cvd-graphene and mos2 ethanol sensing and characterization using kretschmann-based spr.  - ieee journal of the electron devices society.  1227-1235. 

mohd nuriman nawi, dilla duryha berhanuddin, marko loncar, mohd adzir mahdi, m richard, ahmad rifqi md zain.  (2020).  discrepancies in the free spectral range (fsr) of one-dimensional (1d) photonic crystal/photonic wire coupled-cavities.  - engineering research express.  1-12. 

nugroho, h.s., hasanah, l., wulandari, c., pawinanto, r.e., haron, m.h., menon, p.s., zain, a.r.m., berhanuddin, d.d., mulyanti, b..  (2020).  the sensitivity of sensor based on microring resonator (mrr) and surface plasmon resonance (spr) for diabetes monitoring application.  - 2nd international symposium on materials and electrical engineering, ismee 2019.  1-7. 

jamil, n.a., mei, g.s., md zain, a.r., hewak, d., huang, c.-c., mohamed, m.a., majlis, b.y., menon, p.s..  (2020).  cvd-grown graphene-on-au characterization and sensing using kretschmann-based spr.  - 4th electron devices technology and manufacturing conference (edtm 2020).  1-4. 

ananda aransa, lilik hasanah, cahya julian, roni sumantri, harbi setyo nugroho, ahmad aminudin, roer eka pawinanto, ahmad rifqi md. zain, siti kudnie sahari, budi mulyanti.  (2020).  simulation microring resonator based on racetrack-shaped configuration for glucose sensing.  - journal of engineering science and technology.  2939-2949. 

musa ali albrni, jahariah sampe, sawal hamid md ali, ahmad rifqi md. zain.  (2020).  design of vd-ddcc for novel dual mode universal filter with grounded passive components.  - international journal of nanoelectronics and materials.  259-266. 

nur dalila mohd zamani , mohd nuriman nawi, dilla duryha berhanuddin , burhanuddin yeop majlis, ahmad rifqi md zain.  (2020).  design of 2d gan photonic crystal based on hole displacement for l3 cavity.  - nanomaterials and nanotechnology.  1-5. 

nur dalila mohd zamani, dilla duryha berhanuddin, burhanuddin yeop majlis, ahmad rifqi md zain.  (2020).  performance comparison between sapphire and sic as substrate for gan 2d photonic crystal.  - international journal of nanoelectronics and materials.  67-74. 

mohd syafiq faiz, kim s. siow, mf mohd razip wee, muhammad musoddiq jaafar, burhanuddin yeop majlis, ahmad rifqi md. zain.  (2020).  theoretical demonstration of elastic wave guiding in a pillar-based phononic crystal slab.  - international journal of nanoelectronics and materials.  83-90. 

mohd nuriman nawi, dilla duryha berhanuddin, jahariah sampe, burhanuddin yeop majlis, ahmad rifqi md zain.  (2020).  generation of multiple resonance wavelengths from one dimensional photonic crystal wire for nanoscopic wavelength division multiplexing system.  - international journal of nanoelectronics and materials.  91-98. 

mohamad hazwan haron, dilla duryha berhanuddin, burhanuddin yeop majlis, ahmad rifqi md zain.  (2020).  the design of monolithic integration of photonic crystal biosensor to si-ge pin photodetector on silicon photonics platform for compact biosensing system.  - international journal of nanoelectronics and materials.  203-214. 

mohd mustaqim rosli, tengku hasnan tengku abdul aziz, ahmad rifqi md zain, nabilah alias, nurul ain abd malek, nur adliha abdullah, siti khatijah md saad, akrajas ali umar.  (2020).  micro-strain effect on electronic properties in graphene induced by silver nanowires.  - physica e: low-dimensional systems and nanost.  1-6. 

rhonira latif, muhammad fahmi jaafar, mohd faizal aziz, ahmad rifqi md zain, jumril yunas, burhanuddin yeop majlis.  (2020).  influence of tantalum's crystal phase growth on the microstructural, electrical and mechanical properties of sputter-deposited tantalum thin film layer.  - international journal of refractory metals and hard materials.  1-14. 

lilik hasanah , harbi setyo nugroho , chandra wulandari , budi mulyanti , dilla duryha berhanuddin,mohamad hazwan haron, p. susthitha menon , ahmad rifqi md zain , ida hamidah , khairurrijal khairurrijal, rizalman mamat.  (2020).  enhanced sensitivity of microring resonator-based sensors using the finite difference time domain method to detect glucose levels for diabetes monitoring.  - applied science.  1-12. 

azrul azlan bin hamzah;mohd farhanulhakim bin mohd razip wee;muhamad ramdzan bin buyong;mohd ambri bin mohamed;ahmad rifqi bin md zain.  (2020).  peranti bioperubatan dengan iot.  - .  . 

lilik hasanah, budi mulyanti, roer e. pawinanto, asep b. d. andiyanto, yuski m. r. faozan, arjuni b. pantjawati, harbi s. nugraha,ahmad r. md. zain, janulis p. purba.  (2020).  simulation of micro-ring resonator using finite difference time-domain technique for sensors.  - journal of engineering science and technology (jestec).  1267-1276. 

ahmad rifqi md zain, sheila s nathan dan sahbudin shaari.  (2020).  penggunaan rongga fotonik crystal (phc) berasaskan gallium nitride (gan) (crystallife) untuk sistem pendarfluor terpadu laser bersepadu.  - .  1-9. 

mohd syafiq faiz, mahmoud addouche, ahmad rifqi md zain,kim s. siow, amar chaalane, abdelkrim khelif.  (2020).  experimental demonstration of a multichannel elastic wave filter in a phononic crystal slab.  - applied sciences.  1-11. 

cahya julian, lilik hasanah, ananda aransa, roni sumantri, harbi setyo nugroho, ahmad aminudin, siti kudnie sahari, asep bayu dani nandiyanto, ahmad rifqi md zain, roer eka pawinanto, budi mulyanti.  (2020).  the effect of glucose concentration sample 0 - 1.50% on the quality factor of microring resonator.  - journal of engineering science and technology.  1639-1651. 

harbi setyo nugroho, lilik hasanah, chandra wulandari, roer eka pawinanto, mohamad hazwan haron, ahmad rifqi md zain, dilla duryha berhanuddin, budi mulyanti, preetpal singh, p. susthitha menon.  (2020).  silicon on insulator-based microring resonator and au nanofilm krestchmann-based surface plasmon resonance glucose sensors for lab-on-a-chip applications.  - international journal of nanotechnology.  1-13. 

j. husna, p. s. menon, p. chelvanathan, j. sampe, n. amin, s. k. tripathy, t. r. lenka, a. r. md. zain, m. a. mohamed.  (2020).  bandgap shifting and crystalline quality of rf-sputtered intrinsic-zno nanofilm for tfsc application.  - international journal of nanoelectronics and material.  1-10. 

saad hayatu girei , hong ngee lim, muhammad zamharir ahmad, mohd adzir mahdi, ahmad rifqi md zain, mohd hanif yaacob.  (2020).  high sensitivity microfiber interferometer sensor in aqueous solution.  - sensors.  1-9. 

lita rahmasari, mohd faizol abdullah, ahmad rifqi md zain, abdul manaf hashim.  (2019).  silicon nanohole arrays fabricated by electron beam lithography and reactive ion etching.  - sains malaysiana.  1157-1161. 

haslinawati mohd mustapha, m.f. mohd razip wee, ahmad rifqi md zain, mohd ambri mohamed.  (2019).  characterization of graphene based capacitive microphone.  - sains malaysiana.  1201-1207. 

nur akmar jamil, gan siew mei, ahmad rifqi md zain, daniel hewak and chung-che huang, p. susthitha menon.  (2019).  the 4th malaysia japan imen japan joint symposium on nanoelectronics 2019 and imen postgraduate colloqium 2019.  - .  1-3. 

ahmad rifqi bin md zain;sahbudin bin shaari;sheila nathan.  (2019).  the use of gallium nitride (gan) based photonic crystal (phc) cavities (crystallife) for integrated laser induced fluorescence system.  - .  1-14. 

p.s. menon, fairus atida saad, siew mei gan, mohd ambri mohamed, ahmad rifqi md zain, sahbudin shaari, burhanuddin yeop majlis.  (2019).  high sensitivity au-based kretschmann surface plasmon resonance sensor for urea detection.  - sains malaysiana.  1179-1185. 

ahmad rifqi md zain, richard de la rue.  (2019).  photonic crystals - a glimpse of the current research trends.  - .  20. 

ahmad rifqi bin md zain.  (2019).  ultra high q factor one dimensional photonic crystal (phc)/photonic wire (phw) device structures based on silicon on insulator (soi) for free label sensing.  - .  1-6. 

musab am al-tarawni, a ashrif a bakar, ahmad rifqi md zain, a tarawneh mou'ad, sahrim hj ahmad.  (2019).  enhancing the performance of strip and 180 degree slot waveguide bends for integrated optical waveguide modulator.  - optical engineering.  1-9. 

nur akmar jamil, nurkhairul bariyah khairulazdan, p. susthitha menon, ahmad rifqi md zain, azrul azlan hamzah, burhanuddin yeop majlis.  (2018).  graphene-mos2 spr-based biosensor for urea detection.  - 2018 international symposium on electronics and smart devices (isesd).  1-4. 

nur dalila mohd zamani, dilla duryha berhanuddin, burhanuddin yeop majlis & ahmad rifqi md zain.  (2018).  high q of gan based photonic crystal l3 cavities by tuning the geometry structure.  - imen postgraduate colloquium.  . 

n. nawi, b. y. majlis, m. a. mahdi, r. m. de la rue, m. loncar and a. r. md zain.  (2018).  enhancement and reproducibility of high quality factor, one-dimensional photonic crystal/photonic wire (1d phc/phw) microcavities.  - journal of european optical society - rapid publications.  1-9. 

ahmad rifqi mohammad zain.  (2018).  teknologi semikonduktor dan nanoelektronik perkembangan dan kegunaan.  - .  21. 

m. n. nawi, d. d. berhanuddin, burhanuddin yeop majlis & r. md. zain.  (2018).  compact graphene-enabled 1d photonic crystal nanowires photodetectors.  - imen postgraduate colloquium.  . 

mohamad hazwan haron, dilla duryha berhanuddin, sahbudin shaari, burhanuddin yeop majlis & ahmad rifqi md zain.  (2018).  sensitivity enhancement of 1-d photonic crystal by waveguide width variation for biosensing application.  - 2018 ieee 7th international conference on photonics (icp).  . 

k.y. lau, m.h. abu bakar , a.r. md zain , a.f. abas , m.t. alresheedi , m.a. mahdi.  (2018).  stable multi-wavelength erbium-doped fiber laser assisted by graphene/pmma thin film.  - optics and laser technology.  129-134. 

nur dalila mohd zamani, mohd nuriman nawi, sahbudin shaari, burhanuddin yeop majlis & ahmad rifqi md zain.  (2018).  design and simulation of two-dimensional (2d) gallium nitride (gan) photonic crystal on sapphire.  - 2018 ieee 7th international conference on photonics (icp).  . 

mohammad hazwan haron, dilla duryha berhanuddin, burhanuddin yeop majlis & ahmad rifqi md zain.  (2018).  design, fabrication and mathematical modeling of one-dimensional photonic crystal cavity for biosensor application.  - imen postgraduate colloquium.  . 

mohd nuriman nawi, nurulhani diana rasyid, dilla duryha berhanuddin,burhanuddin yeop majlis,mohd adzir mahdi & ahmad rifqi md zain.  (2018).  photonic crystal embedded waveguide for compact c-band band-pass filter.  - proceeding 2018 ieee international conference on semiconductor electronics (icse).  . 

nurulhani diana rasyid, dilla duryha berhanuddin, mohd adzir mahdi, burhanuddin yeop majlis & ahmad rifqi md zain.  (2018).  design and simulation of tapered optical fiber by enhancing the evanescent field region for sensing application.  - 2018 ieee international conference on semiconductor electronics (icse).  . 

b.mulyanti, r.e.pawinanto, a.g.abdullah,l.hasanah, a.b.pantjawati, i.hamidah, a.b.d.nandiyanto, a.r.md zain, p.s.menon, s.shaari.  (2018).  modeling of microring resonators for biochemical detection.  - international conference on advanced energy materials (aem) (materials today: proceeding).  . 

ahmad rifqi md zain.  (2018).  teknologi semikonduktor dan nanoelektronik: perkembangan dan kegunaan.  - tidak berkenaan.  21. 

musab am al-tarawni, a ashrif a bakar, ahmad rifqi md zain, a tarawneh mou`ad, sahrim hj ahmad.  (2017).  improvement of integrated electric field sensor based on hybrid segmented slot waveguide.  - optical engineering.  1-15. 

nor akmar mohd yahya, mohd rashid yusof hamid, siti azlida ibrahim, boon hoong ong, norizah abdul rahman, ahmad rifqi md zain, mohd adzir mahdi, mohd hanif yaacob.  (2017).  h2 sensor based on tapered optical fiber coated with mno2 nanostructures.  - journal of sensors and actuators b : chemical.  421-427. 

masih ghasemi, pankaj k. choudhury, muhammad abuzar baqir, mohd ambri mohamed, ahmad rifqi md. zain, and burhanuddin yeop majlis.  (2017).  metamaterial absorber comprised of chromium-gold nanorods-based columnar thin films.  - journal of nanophotonics.  1-10. 

ahmad rifqi md zain, burhanuddin y. majlis , richard m. de la rue & marko loncar.  (2017).  high quality factor-suspended 1d photonic crystal (phc) extended cavity for bio-sensing.  - international conference on radar, antenna, microwave, electronics, and telecommunications (icramet), 2017.  72-74. 

musab a. m. al-tarawni, a. ashrif a. bakar, ahmad rifqi md zain, mouad a. tarawneh and sahrim hj. ahmad.  (2017).  optimizing an integrated waveguide modulator for sensitive low-frequency alternating-current electric-field sensors.  - optical engineering.  1-8. 

mohamad hazwan haron, ahmad rifqi md zain & burhanuddin yeop majlis.  (2017).  sensitivity increment of one dimensional photonic crystal biosensor.  - ieee regional symposium on micro and nanoelectronics (rsm), 2017.  116-118. 

mohd s. faiz, ahmad rifqi md zain, b.y.majlis,mahmoud addouche, abdelkrim khelif.  (2016).  complete band gap in a pillar-based piezoelectric phononic crystal slab.  - ieee-icse2016 proc. 2016, kuala lumpur, malaysia- ieee explore.  61-63. 

nur dalila mohd zamani, ahmad rifqi md zain, burhanuddin yeop majlis.  (2016).  modelling of 2-d gallium nitride (gan) photonic crystal.  - ieee-icse2016 proc. 2016, kuala lumpur, malaysia- ieee explore.  1-2. 

nawi m.n., rashid n.d., berhanuddin d.d., md zain a. r.,majlis b.y. & mahdi m.a..  (2016).  photonic crystal (phc) nanowires for infrared photodetectors.  - ieee international conference on semiconductor electronics, proceedings, icse.  . 

mohd nuriman nawi,nurulhani diana rashid,dilla duryha berhanuddin,ahmad rifqi md zain, burhanuddin yeop majlis, mohd adzir mahdi.  (2016).  photonic crystal (phc) nanowires for infrared photodetectors.  - ieee-icse2016 proc. 2016, kuala lumpur, malaysia.  153-156. 

masih ghasemi ; p. k. choudhury ; m. a. baqir ; m. a. mohamed ; a. r. m. zain ; b. y. majlis.  (2016).  on the frequency-selective features of gold nanorods-based columnar thin film metamaterial absorbers.  - proc. spie 9929, nanostructured thin films ix, 992908 (september 26, 2016).  992908-992908-7. 

mohd nuriman nawi, dilla duryha berhanuddin, burhanuddin yeop majlis & ahmad rifqi md zain.  (2016).  2d material on 1d photonic crystal (phc) nanowires.  - nanomite annual symposium 2016.  . 

nawi m.n., rashid n.d., berhanuddin d.d., md zain a.r., majlis b.y., mahdi m.a..  (2016).  photonic crystal (phc) nanowires for infrared photodetectors.  - ieee international conference on semiconductor electronics, proceedings, icse.  153-156. 

razip wee, m.f.m, addouche m., siow, k.s., md zain, a.r., elayouch, a., chollet, f., khelif, a..  (2016).  guiding and confinement of interface acoustic waves in solid-fluid pillar-based phononic crystals.  - aip advances.  121-703. 

lita rahmasari, ahmad rifqi md zain, abdul manaf hashim.  (2016).  modeling of si/ge based two-dimensional photonic crystal nanocavity.  - proceedings of spie.  1-5. 

zamani n.d.m., zain a.r.m., majlis b.y..  (2016).  modelling of 2-d gallium nitride (gan) photonic crystal.  - ieee international conference on semiconductor electronics, proceedings, icse.  54-56. 

d.mahmudin, t.t estu, g. sugandi, a.a. fathnan, p.daud, y.n. wijayanto , ahmad rifqi md zain, p. sushitha menon and sahbudin shaari.  (2016).  design of polymer triple coupler ring resonators for add drop optical filters.  - ieee-icse2016 proc. 2016, kuala lumpur, malaysia.  260-262. 

musab a. m. al-tarawni, a. ashrif a. bakar,ahmad rifqi md zain.  (2016).  design segmented slot waveguide for integrated waveguide modulator.  - ieee-icse2016 proc. 2016, kuala lumpur, malaysia.  43-45. 

al-tarawni m.a.m., bakar a.a.a., zain a.r.m..  (2016).  design segmented slot waveguide for integrated waveguide modulator.  - ieee international conference on semiconductor electronics, proceedings, icse.  43-46. 

mahmudin d., estu t.t., sugandi g., fathnan a.a., daud p., wijayanto y.n., md zain a.r., menon p.s., shaari s..  (2016).  design of polymer triple coupler ring resonators for add/ drop optical filters.  - ieee international conference on semiconductor electronics, proceedings, icse.  260-263. 

faiz m.s., zain a.r.m., majlis b.y., addouche m., khelif a..  (2016).  complete band gap in a pillar-based piezoelectric phononic crystal slab.  - ieee international conference on semiconductor electronics, proceedings, icse.  61-63. 

m.f. mohd razip wee, kim s. siow, ahmad rifqi md zain,mahmoud addouche,abdelkrim khelif.  (2016).  solid-fluid interaction in a pillar-based phononic crystal.  - ieee-icse2016 proc. 2016, kuala lumpur, malaysia.  47-49. 

said, f.a., menon, p.s. , nawi, m.n., md zain, a.r., jalar, a., majlis, b.y..  (2016).  copper-graphene spr-based biosensor for urea detection.  - 12th ieee international conference on semiconductor electronics, icse 2016.  264-267. 

wee m.f.m.r., siow k.s., zain a.r.m., addouche m., khelif a..  (2016).  solid-fluid interaction in a pillar-based phononic crystal.  - ieee international conference on semiconductor electronics, proceedings, icse.  47-49. 

jahariah sampe, dilla duryha berhanuddin, md shabiul islam, mohd ambri mohammed, a.r. md zain.  (2015).  performance evaluation of the uhf class 0 rfid tag for the proposed anti-collision algorithm.  - international conference on computer, communication, and control technology (i4ct 2015).  127 -131. 

nor afidatul asni semsudin, jahariah sampe, md shabiul islam, ahmad rifqi md zain.  (2015).  architecture of ultra low power micro energy harvester using hybrid input for biomedical devices.  - asian journal of scientific research.  212-224. 

ahmad rifqi md zain , richard m. de la rue.  (2015).  control of coupling in one-dimensional (1d) photonic crystal coupledcavity nano-wire structures via hole diameter and position variation.  - journal of optics (iop).  125007. 

m. ariannejad, p. s. menon, s. shaari, a. r. md zain, a. a. ehsan, f. larki, and a. abedini,v. retnasamy.  (2015).  design of optical single mode splitter using ion exchange method for ammonia biosensor.  - 2015 ieee regional symposium on micro and nano electronics (rsm2015).  4. 

ahmad rifqi md zain, burhanuddin y.majlis dan richard.m.de la rue.  (2015).  reproducibility and free spectral range (fsr) control of a high quality factor - 1d photonic crystal (phc) extended cavity.  - 2015 ieee regional symposium on micro and nano electronics (rsm2015).  3. 

nor afidatul asni semsudin, jahariah sampe, md shabiul islam, ahmad rifqi md zain, dilla duryha berhanuddin.  (2015).  designing a boost converter of micro energy harvester using thermal and vibration input for biomedical devices.  - rsm2015 proc. 2015, k. terengganu, malaysia.  1-4. 

jamilah husna, mohd ambri mohamed, jahariah sampe, ahmad rifqi md.zain.  (2015).  numerical simulation of one dimensional (1d) photonic crystal multiple cavities based on silicon on insulator (soi).  - 2015 ieee regional symposium on micro and nano electronics (rsm2015).  4.