sundararaju u., shazni mohammad haniff m.a., menon p.s..  (2021).  performance analysis of mos2/h-bn/graphene photodetector: a numerical modelling approach.  - 2021 ieee regional symposium on micro and nanoelectronics (rsm 2021).  116-119. 

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. 

mei, g.s., mohamad, n.r., jamil, n.a., dee, c.f., hamzah, a.a., menon, p.s..  (2020).  robust design of bimetallic zno nanofilm spr sensor using taguchi method.  - 4th electron devices technology and manufacturing conference (edtm 2020).  1-4. 

afifah maheran, a.h., firhat, e.n., salehuddin, f., mohd zain, a.s., ahmad, i., noor faizah, z.a., menon, p.s., elgomati, h.a., roslan, a.f..  (2020).  minimum leakage current optimization on 22 nm soi nmos device with hfo2/wsix/graphene gate structure using taguchi method.  - international conference on telecommunication, electronic and computer engineering 2019 (ictec 2019).  1-9. 

sundararaju, u., haniff, m.a.b.m., susthitha menon, p..  (2020).  numerical modelling of mos2/h-bn/graphene photodetector for self-powering application.  - ieee international conference on semiconductor electronics icse 2020.  132-135. 

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. 

najmiah radiah mohamad, gan siew mei, nur akmar jamil, burhanuddinyeop majlis, p. susthitha menon.  (2019).  influence of ultrathin chromium adhesion layer on different metal thicknesses of spr-based sensor using fdtd.  - materials today: proceedings.  732-737. 

p s menon, s m gan, n r mohamad, n a jamil, k a tarumaraja, n r razak, a a a bakar, w m mukhtar, n f murat, r mohamed, n b khairulazdan, f a said.  (2019).  kretschmann based surface plasmon resonance for sensing in visible region.  - 2019 ieee 9th international nanoelectronics conferences, inec 2019.  1-6. 

s. m. gan, p. s. menon , n. r. mohamad, n. a. jamil, b. y. majlis.  (2019).  fdtd simulation of kretschmann based cr-ag-ito spr for refractive index sensor.  - materials today: proceedings.  668-674. 

nur akmar jamil, gan siew mei, nurkhairul bariyah khairulazdan, siva priya thiagarajah, azrul azlan hamzah, burhanuddin yeop majlis, p. susthitha menon.  (2019).  detection of uric acid using kretschmann-based spr biosensor with mos2-graphene.  - 2018 ieee student conference on research and development (scored).  1-4. 

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).  . 

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. 

nurjuliana juhari , p susthitha menon , sahbudin shaari & abang annuar ehsan.  (2017).  investigation of awg demultiplexer based soi for cwdm application.  - epj web of conferences.  . 

nur akmar jamil, p. susthitha menon, fairus atida said, kalaivani a.tarumaraja, gan siew mei & burhanuddin yeop majlis.  (2017).  graphene-based surface plasmon resonance urea biosensor using kretschmann configuration.  - 2017 ieee regional symposium on micro and nanoelectronics (rsm).  . 

kalaivani a. tarumaraja, p. susthitha menon, fairus atida said, nur akmar jamil, gan siew mei, sahbudin shaari & burhanuddin yeop majlis.  (2017).  optical interconnect chip with spr-based photonic crystal waveguide sensor.  - tencon 2017 - 2017 ieee region 10 conference.  . 

nur akmar binti jamil, p. susthitha menon, gan siew mei, sahbudin shaari & burhanuddin yeop majlis.  (2017).  urea biosensor utilizing graphene-mos2 and kretschmann-based spr.  - tencon 2017 - 2017 ieee region 10 conference.  . 

noor faezah murat, wan maisarah mukhtar, p susthitha menon, affa rozana abdul rashid, karsono ahmad dasuki & awangku abdul rahman awangku yussuf.  (2017).  influence of electromagnetic (em) waves polarization modes on surface plasmon resonance.  - epj web of conferences.  . 

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. 

tarumaraja, k.a., menon, p.s. , said, f.a. , jamil, n.a., ehsan, a.a., shaari, s., majlis, b.y., jalar, a..  (2016).  fdtd numerical analysis of spr sensing using graphene-based photonic crystal.  - 2th ieee international conference on semiconductor electronics, icse 2016.  79-81. 

noor faizah, z.a., ahmad, i., ker, p.j., siti munirah, y., mohd firdaus, r., md fazle, e., menon, p.s..  (2016).  process parameters optimization of 14nm mosfet using 2-d analytical modelling.  - 2nd international conference on green design and manufacture, icongdm 2016 (matec web of conferences).  1-7. 

panday, m.s., vinoth, m., surendhiran, s., rajendran, v. , menon, p.s..  (2016).  investigation on electrical conductivity of strontium (sr2+) influenced cati0.8fe0.2o3 polycrystalline perovskite.  - 12th ieee international conference on semiconductor electronics, icse 2016.  192-195. 

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. 

siti sarah binti md sallah, sawal hamid md ali, ahmad ashrif a bakar, p.susthitha menon, nurjuliana binti juhari, md. shabiul islam.  (2016).  delay analysis in symmetrical soi-based rib waveguide for high speed optical interconnect.  - 2016 ieee 6th international conference on photonics (icp).  . 

noor faizah, z.a., ahmad, i., ker, p.j., menon, p.s..  (2016).  process characterization of 32nm semi analytical bilayer graphene-based mosfet.  - 2nd international conference on green design and manufacture, icongdm 2016 (matec web of conferences).  1-6. 

abdullah m.n., shaari s., ehsan a.a., menon s., zakaria o..  (2015).  measurement of nonlinear refractive index based on multiple configuration of fbg in generating multi wavelength.  - proceedings of spie - the international society for optical engineering.  . 

juhari n., menon p.s., ehsan a.a., shaari s..  (2015).  characterization of optical coupling loss for awg demultiplexer on soi using butt-coupling method.  - 2015 international conference on industrial instrumentation and control, icic 2015.  1060-1064. 

nurjuliana juhari, p susthitha menon, abang annuar ehsan and sahbudin shaari.  (2015).  16 channel arrayed waveguide grating (awg) demultiplexer design on soi wafer for application in cwdm-pon.  - proceedings of spie: international seminar on photonics, optics and its applications (isphoa2014), bali, indonesia.  . 

nurjuliana juhari, p susthitha menon, abang annuar ehsan and sahbudin shaari.  (2015).  design and application of 8-channel soi-based awg demultiplexer for cwdm- system.  - national physics conference 2014 (perfik 2014).  140001-1-140001-5. 

afifah maheran a.h., menon, p.s., i. ahmad, s. shaari, noor faizah z.a..  (2015).  development of process parameters for 22 nm pmos using 2-d analytical modeling.  - national physics conference 2014 (perfik 2014).  030007-1-030007-8. 

juhari n., menon p.s., ehsan a.a., shaari s..  (2015).  16-channel arrayed waveguide grating (awg) demultiplexer design on soi wafer for application in cwdm-pon.  - proceedings of spie - the international society for optical engineering.  . 

vithyacharan retnasamy, zaliman sauli ,rajendaran vairavan, hussin kamarudin, mukhzeer mohamad shahimin, steven taniselass, p. susthitha menon.  (2015).  convection condition variation analysis on thermal dissipation of high power single chip led.  - advanced materials research.  336-339. 

afifah maheran a.h., menon, p.s., i. ahmad, s. shaari.  (2014).  application of taguchi method in designing a 22nm high-k/metal gate nmos transistor.  - advanced materials research.  . 

p. susthitha menon, s.kalthom tasirin, ibrahim ahmad, and s.fazlili abdullah.  (2014).  taguchi optimization of a sige/si quantum dot soi-based lateral pin photodiode.  - advanced materials research.  . 

mohd nizam abdullah, sahbudin shaari, abang annuar ehsan, susthitha menon, osman zakaria, nazri marzuki.  (2014).  nonlinear refractive index on multiwavelength generation through mismatch photonic crystal fibre from transmission wavelength.  - proceedings of spie - the international society for optical engineering.  91280U 1-6. 

f. salehuddin, a. s. mohd zain, n.m. idris, a.k mat yamin, a. m. abdul hamid, i. ahmad, p.s. menon.  (2014).  analysis of threshold voltage variance in 45nm nchannel device using l27 orthogonal array method.  - advanced materials research.  297-302. 

maheran, a.h.a., noor faizah, z.a., menon, p.s., ahmad, i., apte, p.r., kalaivani, t., salehuddin, f..  (2014).  statistical process modelling for 32nm high-k/metal gate pmos device.  - 2014 ieee international conference on semiconductor electronics (icse 2014).  232-235. 

razak, h.a., haroon, h., menon, p.s., shaari, s., arsad, n..  (2014).  design and optimization of a mach-zehnder interferometer (mzi) for optical modulators.  - 2014 ieee international conference on semiconductor electronics (icse 2014).  301-304. 

afifah maheran, a.h. ; menon, p.s. ; shaari, s. ; kalaivani, t. ; ahmad, i. ; noor faizah, z.a. ; apte, p.r..  (2014).  effect of process parameter variability on the threshold voltage of downscaled 22nm pmos using taguchi method.  - 2014 ieee international conference on semiconductor electronics (icse 2014).  178-181. 

farahiyah, a., menon, p.s., shaari, s., saharudin, s., abdullah, m.s..  (2013).  absorption characteristics of ruthenium (ru)-ii nanoparticles as a dissolved oxygen sensing material.  - materials science forum (3rd isesco international workshop and conference on nanotechnology 2012, iwcn 2012).  . 

p susthitha menon; siti kalthom tasirin; ibrahim ahmad; siti fazlili abdullah; prakash r apte.  (2013).  responsivity optimization of a mqw soi-based lateral pin photodiode using taguchi`s l27 orthogonal array..  - 2013 ieee regional symposium on micro and nano electronics, rsm 2013; holiday villa beach resort & spa, langkawi, malaysia.  . 

abdullah, m.n., shaari, s., ehsan, a.a., menon, p. s., nasir, m., abidin, z., abidin, a.r.z..  (2013).  c band amplification through fibre ring laser in generating multiwavelength..  - proceedings of spie - the international society for optical engineering.  . 

afifah maheran abdul hamid; p susthitha menon; ibrahim ahmad; zubaida yusoff.  (2013).  threshold voltage optimization in a 22nm high-k/salicide pmos device.  - ieee regional symposium on micro and nanoelectronics (rsm2013).  . 

tasirin, s.k., menon, p.s., ahmad, i., abdullah, s.f..  (2013).  high performance silicon lateral pin photodiode.  - iop conference series : earth and environmental science (4th international conference on energy and environment) / iop publishing.  . 

arash dehzangi,farhad larki, burhanuddin y. majlis, m.n. hamidon,p. susthitha menon, azman jalar, md. shabiul isla.  (2013).  numerical investigation of channel width variation in junctionless transistors performance.  - 2013 ieee regional symposium on micro and nano electronics, rsm 2013; langkawi; malaysia.  101-104. 

mukhtar, w.m., menon, p.s., shaari, s., malek, m.z.a., abdullah, a.m..  (2013).  angle shifting in surface plasmon resonance: experimental and theoretical verification.  - journal of physics : conference series (3rd isesco international workshop and conference on nanotechnology 2012 iwcn 2012).  . 

afifah maheran, a.h., menon, p.s., ahmad, i., shaari, s., elgomati, h.a., salehuddin, f..  (2013).  design and optimization of 22 nm gate length high-k/metal gate nmos transistor.  - journal of physics : conference series (3rd isesco international workshop and conference on nanotechnology 2012 iwcn 2012).  . 

i. a. m. ashour, s. shaari, h. m. h. shalaby & p. s. menon.  (2012).  performance and confidentiality comparison of different hybrid sac/ocdma-wdm overlay schemes.  - progress in electromagnetics research symposium (piers 2012).  . 

mardiana, b., hanim, a.r., hazura, h., shaari, s., menon, p.s., abdullah, h..  (2012).  performance of the active microring resonator based on soi rib waveguide.  - advanced materials research.  . 

rashid, a.r.a., menon, p.s., shaari, s.  (2012).  influence of doping concentrations of sol gel derived zn 1-xmnxo thin films.  - advanced materials research.  . 

mardiana b, hanim a.r, hazura h, s. shaari , p. susthitha menon and huda abdullah.  (2012).  plasma dispersion effect for various doping configuration on the soi phase modulator with trapezoidal rib waveguide.  - advanced materials research.  . 

h. hazura, a.r. hanim, b. mardiana, sahbudin shaari, p.s. menon.  (2012).  process modeling, optimization and characterization of silicon (100) optical waveguides by anisotropic wet etching.  - advanced materials research.  . 

a. r. a. rashid, p. s. menon, n. arsad and s. shaari.  (2012).  ultraviolet sensing by al-doped zno thin films.  - advanced materials research.  . 

h. hazura, a.r. hanim, b. mardiana, sahbudin shaari, b.y. majlis, p.s. menon.  (2012).  performance of optical wavelength demultiplexer based on silicon-on-insulator (soi) microring resonators (mrrs).  - advanced materials research: 2012 - international conference on applied materials and electronics engineering (amee 2012).  . 

wan maisarah mukhtar, p. sushmita menon and sahbuddin shaari.  (2012).  study of fraunhofer diffraction pattern from a circular aperture using an optical fiber microprobe.  - advanced materials research : 2012 international conference on applied materials and electronics engineering (amee 2012).  . 

f.salehuddin, i.ahmad, f.a.hamid, a.zaharim, afifah maheran a.hamid, p.susthitha menon, h.a.elgomati, b.yeop majlis, p.r.apte.  (2012).  optimization of process parameter variation in 45nm p-channel mosfet using l18 orthogonal array.  - 2012 10th ieee international conference on semiconductor electronics (icse2012).  . 

hazura h., menon, p.s, burhanuddin yeop majlis, hanim a.r, mardiana b., hasanah, l., mulyanti, b., mahmudin, d., wiranto, g..  (2012).  modeling of soi-based mrr by coupled mode theory using lateral coupling configuration.  - 2012 10th ieee international conference on semiconductor electronics (icse2012).  . 

razak, h.a., haroon, h., bidin, m., susthitha menon, p., shaari, s..  (2012).  free carrier absorption loss of optical phase modulator.  - 2nd international conference on the advancement of materials and nanotechnology, icamn ii 2010;kuala lumpur.  . 

p.susthitha menon, s.kalthom tasirin, ibrahim ahmad, s.fazlili abdullah.  (2012).  high performance of a soi-based lateral pin photodiode using sige/si multilayer quantum well.  - 2012 10th ieee international conference on semiconductor electronics (icse2012).  . 

mardiana b, hanim a.r, hazura h, s. shaari , p. susthitha menon ,huda abdullah and n.arsad.  (2012).  2×2 optical switch based on silicon-on-insulator microring resonator.  - 2012 international conference on applied materials and electronics engineering, amee 2012;hongkong.  . 

marianah masrie, burhanuddin yeop majlis, jumril yunas, and p susthitha menon.  (2012).  design study of integrated optical transducer.  - 2012 10th ieee international conference on semiconductor electronics (icse2012).  . 

afifah maheran a.h., menon, p.s., i. ahmad, h.a. elgomati, b.y. majlis, f. salehuddin2.  (2012).  scaling down of the 32 nm to 22 nm gate length nmos transistor.  - 2012 10th ieee international conference on semiconductor electronics (icse2012).  . 

zahid, ali z. ghazi; mandeep, j s; menon, p susthitha; bakarman, hesham; hasoon, feras n.; bakar, ahmad ashrif a; ali, mohd. alauddin mohd. ali.  (2012).  performance analysis of multi-weight 2d-ocdma tedw.  - 2012 ieee 3rd international conference on photonics (icp).  . 

hesham a. bakarman, tawfig eltaif, p. s. menon, isaac a. m. a..  (2012).  simulation of mqc code for optical cdma pon.  - 2012 ieee 3rd international conference on photonics (icp).  . 

ismail, khadijah; menon, p. susthitha; bakarman, hesham a.; bakar, ahmad ashrif a; arsad, norhana.  (2012).  performance of 18 channel cwdm system with inline semiconductor optical amplifier.  - 2012 ieee 3rd international conference on photonics (icp).  . 

wan, m.m., menon, p.s., sahbudin, s..  (2012).  microfabricated fiber probe by combination of electric arc discharge and chemical etching techniques.  - advanced materials research (2011 international conference on material science and engineering technology, icmset 2011).  . 

rashid, a.r.a., menon, p.s., shaari, s..  (2012).  structural and optical properties of nanostructured zn1-xmn xo thin films.  - advanced materials research: 2012 international conference on applied materials and electronics engineering, amee 2012;hongkong;18 january 2012 through 19 january 2012.  . 

mardiana, b., hanim, a.r., hazura, h., shaari, s., menon, p.s., abdullah, h..  (2012).  active soi optical ring resonator based on free carrier injection.  - 2011 7th international conference on mems, nano and smart systems, icmens 2011;kuala lumpur (advanced materials research).  . 

razak h.a., haroon h., bidin m., shaari s., menon p.s..  (2012).  analysis of silicon-on-insulator (soi) buried waveguide phase modulator.  - 2011 international conference on material science and engineering technology, icmset 2011;zhengzhou.  . 

mukhtara, w.m., menonb, p.s., shaaric, s..  (2012).  effect of taper angle of the optical fiber microprobe in power collection.  - 2011 7th international conference on mems, nano and smart systems, icmens 2011;kuala lumpur (advanced materials research).  . 

elgomati, h.a., majlis, b.y., hamid, a.m.a., susthitha, p.m., ahmad, i..  (2012).  modelling of process parameters for 32nm pmos transistor using taguchi method.  - 6th asia international conference on mathematical modelling and computer simulation, ams 2012;bali.  . 

hanim abdul razak, hazura haroon, mardiana bidin, p. susthitha menon, sahbudin shaari.  (2011).  transient performance of silicon-on-insulator (soi) phase modulator.  - source: enabling science and nanotechnology book series: aip conference proceedings.  . 

hossein mohammadi, huda abdullah, chang fu dee, p. susthitha menon, burhanuddin yeop majlis.  (2011).  a new analytical model for lateral breakdown voltage of double-gate power mosfets.  - 2011 ieee regional symposium on micro and nano electronics, rsm 2011; kota kinabalu, sabah.  . 

a. r. a. rashid, p. s. menon.  (2011).  effects of mn doping concentrations on properties of zno thin films.  - 2011 ieee regional symposium on micro and nano electronics, rsm 2011; kota kinabalu, sabah.  . 

hazura haroon, hanim abdul razak, mardiana bidin, p susthitha menon, zulatfyi fauzan mohammed napiah.  (2011).  impact of coupled resonator geometry on silicon-on insulator wavelength filter characteristics.  - 2011 ieee regional symposium on micro and nano electronics, rsm 2011; kota kinabalu, sabah.  . 

isaac a. m. ashour, hossam m. h. shalaby, sahbudin shaari and p susthitha menon.  (2011).  simulation of mqc code of sac/optical cdma and wdm hybrid overlay system.  - 4th international conference on modeling, simulation and applied optimization (icmsao 2011).  . 

ashour, i.a.m., shalaby, h.m.h., menon, p.s..  (2011).  code development for simultaneous in-band transmission of both s ac-optical cdma and wdm channels.  - 2011 ieee 2nd international conference on photonics, icp 2011;kota kinabalu, sabah.  . 

js mandeep, ooi wen hui, m abdullah, m tariqul, m ismail, w suparta, baharudin yatim, p. susthitha menon, h. abdullah.  (2011).  modified itu-r rain attenuation model for equatorial climate.  - 2011 ieee international conference on space science and communication: "towards exploring the equatorial phenomena", iconspace 2011; penang.  . 

hanim abdul razak, hazura haroon, mardiana bidin, p. susthitha menon and sahbudin shaari.  (2011).  free carrier absorption loss of p-i-n silicon-on-insulator (sol) phase modulator.  - 2010 international conference on enabling science and nanotechnology, escinano 2010; kuala lumpur(enabling science and nanotechnology).  . 

a. r. abd rashid and p. s. menon.  (2010).  effect of mn doping on the structural and optical properties of zno films.  - proceedings of the 2010 ieee international conference on semiconductor electronics, icse2010 (melaka).  . 

p. s. menon, k. kumarajah, b. bais, h. abdullah, majlis, b. y. and apte, p. r..  (2010).  peak power and wavelength optimization of a double-fused lw-vcsel.  - proceedings of the 2010 ieee international conference on semiconductor electronics, icse2010 (melaka).  . 

mardiana bidin, hanim abdul razak, hazura haroon, p. susthitha menon, huda abdullah, sahbudin shaari.  (2010).  electro-optical modulator performance in soi.  - 2010 international conference on enabling science and nanotechnology, escinano 2010; kuala lumpur(enabling science and nanotechnology).  . 

wan maisarah m, s. shaari, p. susthitha menon.  (2010).  fabrication of optical fiber microprobe using electric arc heating-pulling technique.  - 2010 ieee student conference on research and development (scored), ioi resort, putrajaya, malaysia.  . 

hanim a.r., hazura h., mardiana b. and menon, p.s..  (2010).  free carrier absorption loss on p-i-n and n-p-n silicon phase modulator at ?=1.3 ?m and ? =1.55 ?m.  - proceedings of the 2010 ieee international conference on semiconductor electronics, icse2010 (melaka).  . 

hazura h., hanim a.r, mardiana b. and menon, p.s..  (2010).  an analysis of silicon waveguide phase modulation efficiency based on carrier depletion effect.  - proceedings of the 2010 ieee international conference on semiconductor electronics, icse2010 (melaka).  . 

hazura, h., hanim, a.r., mardiana, b., shaari, s., menon, p.s..  (2010).  free carrier absorption loss of p-i-n silicon-on-insulator (soi) phase modulator.  - international conference on enabling science and nanotechnology,kuala lumpur.  . 

mardiana b, hazura h, hanim ar, menon, p.s. and huda abdullah.  (2010).  operation mode of phase modulation based on carrier dispersion effect in p-i-n diode of silicon waveguide.  - proceedings of the 2010 ieee international conference on semiconductor electronics, icse2010 (melaka).  . 

isaac a. m. ashour, sahbudin shaari, hossam m. h.
shalaby, p susthitha menon, and hesham a. bakarman.  (2010).  hybrid sac/optical cdma-wdm overlay system for enhancing network security.  - proceedings of the ieee international conference on photonics (icp2010).  . 

a. r. affa rozana, p susthitha menon, s. shaari.  (2010).  optical properties of zn(1-x)mn(x)o thin films prepared by the sol-gel method.  - proceedings of the ieee international conference on photonics (icp2010).  . 

hazura haroon, hanim abdul razak, mardiana bidin, p.susthitha menon, sahbudin shaari,.  (2010).  free carrier absorption loss of pin silicon-on-insulator(soi) phase modulator.  - source: enabling science and nanotechnology book series: aip conference proceedings.  . 

p susthitha menon, kumarajah kandiah and sahbudin shaari.  (2006).  numerical modeling of a diffusion-based in0.53ga0.47as lateral pin photodiode for 10 gbit/s optical communication systems.  - proceedings 2006 ieee international conference on semiconductor electronics, kuala lumpur.  .