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Iam-choon Khoo

    • 7945 Citations
    • 48 h-Index
    1974 …2019
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    Research Output 1974 2019

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    Article
    2019

    Extraordinary polarization rotation of vector beams with high-period-number chiral photonic crystals

    Chen, C. W. & Khoo, I. C., Jan 1 2019, In : Optics Letters. 44, 21, p. 5306-5309 4 p.

    Research output: Contribution to journal › Article

    photonics
    polarization
    crystals
    linear polarization
    liquid crystals
    1 Citation (Scopus)

    Reconfiguration of three-dimensional liquid-crystalline photonic crystals by electrostriction

    Guo, D. Y., Chen, C. W., Li, C. C., Jau, H. C., Lin, K. H., Feng, T. M., Wang, C. T., Bunning, T. J., Khoo, I. C. & Lin, T. H., Jan 1 2019, (Accepted/In press) In : Nature Materials.

    Research output: Contribution to journal › Article

    Electrostriction
    Liquid Crystals
    electrostriction
    Photonic crystals
    Liquid crystals
    2018
    3 Citations (Scopus)

    High-contrast switching and high-efficiency extracting for spontaneous emission based on tunable gap surface plasmon

    Hao, H., Ren, J., Duan, X., Lu, G., Khoo, I., Gong, Q. & Gu, Y., Dec 1 2018, In : Scientific reports. 8, 1, 11244.

    Research output: Contribution to journal › Article

    Photons
    Optics and Photonics
    Liquid Crystals
    Nanostructures
    Nanofibers
    6 Citations (Scopus)

    Normally transparent smart window based on electrically induced instability in dielectrically negative cholesteric liquid crystal

    Chen, C. W., Brigeman, A. N., Ho, T. J. & Khoo, I., Jan 1 2018, In : Optical Materials Express. 8, 3, p. 691-697 7 p.

    Research output: Contribution to journal › Article

    Cholesteric liquid crystals
    Augmented reality
    Anisotropy
    Textures
    Electric fields
    4 Citations (Scopus)

    Polarisation-free and high-resolution holographic grating recording and optical phase conjugation with azo-dye doped blue-phase liquid crystals

    Ho, T. J., Chen, C. W. & Khoo, I., Dec 8 2018, In : Liquid Crystals. 45, 13-15, p. 1944-1952 9 p.

    Research output: Contribution to journal › Article

    Azo Compounds
    Optical phase conjugation
    Holographic gratings
    Liquid Crystals
    Bragg gratings
    4 Citations (Scopus)

    Ultrafast switching of optical singularity eigenstates with compact integrable liquid crystal structures

    Liu, Y., Liang, H., Chen, C. W., Xie, X., Hu, W., Chen, P., Wen, J., Zhou, J., Lin, T. H. & Khoo, I. C., Oct 29 2018, In : Optics Express. 26, 22, p. 28818-28826 9 p.

    Research output: Contribution to journal › Article

    eigenvectors
    liquid crystals
    crystal structure
    vortices
    optical switching
    2017
    12 Citations (Scopus)

    Large three-dimensional photonic crystals based on monocrystalline liquid crystal blue phases

    Chen, C. W., Hou, C. T., Li, C. C., Jau, H. C., Wang, C. T., Hong, C. L., Guo, D. Y., Wang, C. Y., Chiang, S. P., Bunning, T. J., Khoo, I. C. & Lin, T. H., Dec 1 2017, In : Nature communications. 8, 1, 822.

    Research output: Contribution to journal › Article

    Optics and Photonics
    Liquid Crystals
    Photonic crystals
    liquid crystals
    photonics
    8 Citations (Scopus)

    Slowing sub-picosecond laser pulses with 0.55 mm-thick cholesteric liquid crystal

    Chen, C. W., Guo, X., Ni, X., Lin, T. H. & Khoo, I. C., Jan 1 2017, In : Optical Materials Express. 7, 6, p. 2005-2011 7 p.

    Research output: Contribution to journal › Article

    Pulse modulation
    Cholesteric liquid crystals
    Photonics
    Laser pulses
    Group velocity dispersion
    7 Citations (Scopus)

    Tunable enhanced spontaneous emission in plasmonic waveguide cladded with liquid crystal and low-index metamaterial

    Hao, H., Ren, J., Chen, H., Khoo, I. C., Gu, Y. & Gong, Q., Feb 20 2017, In : Optics Express. 25, 4, p. 3433-3444 12 p.

    Research output: Contribution to journal › Article

    spontaneous emission
    liquid crystals
    waveguides
    modulation
    chips
    2016
    5 Citations (Scopus)

    A 2D/3D Switchable Directional-backlight Auto-stereoscopic Display Using Polymer Dispersed Liquid Crystal Films

    Chen, H., Liang, H., Lai, W. H., Li, C. C., Wang, J., Zhou, J., Lin, T. H., Khoo, I. & Li, J., Jan 1 2016, In : Journal of Display Technology. PP, 99, 7575699.

    Research output: Contribution to journal › Article

    Liquid crystal polymers
    Display devices
    liquid crystals
    Light propagation
    polymers
    9 Citations (Scopus)

    All-optical transistor-and diode-action and logic gates based on anisotropic nonlinear responsive liquid crystal

    Wang, C. Y., Chen, C. W., Jau, H. C., Li, C. C., Cheng, C. Y., Wang, C. T., Leng, S. E., Khoo, I. C. & Lin, T. H., Aug 5 2016, In : Scientific reports. 6, 30873.

    Research output: Contribution to journal › Article

    Liquid Crystals
    Optical Devices
    Coloring Agents
    Optics and Photonics
    Optical Rotation
    11 Citations (Scopus)

    High efficiency holographic Bragg grating with optically prolonged memory

    Khoo, I. C., Chen, C. W. & Ho, T. J., Oct 26 2016, In : Scientific reports. 6, 36148.

    Research output: Contribution to journal › Article

    Liquid Crystals
    Efficiency
    Azo Compounds
    Lighting
    Light
    8 Citations (Scopus)

    Observation of photorefractive effects in blue-phase liquid crystal containing fullerene-C60

    Khoo, I. C., Chen, C. W. & Ho, T. J., Jan 1 2016, In : Optics Letters. 41, 1, p. 123-126 4 p.

    Research output: Contribution to journal › Article

    fullerenes
    direct current
    liquid crystals
    isotropy
    diffraction
    15 Citations (Scopus)

    Ultrafast pulse compression, stretching-and-recompression using cholesteric liquid crystals

    Liu, Y., Wu, Y., Chen, C. W., Zhou, J., Lin, T. H. & Khoo, I., May 16 2016, In : Optics Express. 24, 10, p. 10458-10465 8 p.

    Research output: Contribution to journal › Article

    pulse compression
    compressing
    liquid crystals
    photonics
    molecular electronics
    2015

    Computation of refraction angle in nanosphere dispersed liquid crystal hyperbolic metamaterial: A tutorial

    Pawlik, G., Mitus, A. C. & Khoo, I., Jan 1 2015, In : Nonlinear Optics Quantum Optics. 46, 2-4, p. 309-321 13 p.

    Research output: Contribution to journal › Article

    Liquid Crystals
    Nanospheres
    Metamaterials
    Refraction
    Liquid crystals
    13 Citations (Scopus)

    DC-field-assisted grating formation and nonlinear diffractions in methyl-red dye-doped blue phase liquid crystals

    Khoo, I., Jan 1 2015, In : Optics Letters. 40, 1, p. 60-63 4 p.

    Research output: Contribution to journal › Article

    dyes
    direct current
    liquid crystals
    gratings
    diffraction
    7 Citations (Scopus)

    Dynamical studies of the mechanisms for optical nonlinearities of methyl-red dye doped blue phase liquid crystals

    Chen, C. W., Lin, T. H. & Khoo, I. C., Aug 24 2015, In : Optics Express. 23, 17, p. 21650-21656 7 p.

    Research output: Contribution to journal › Article

    dyes
    liquid crystals
    nonlinearity
    gratings (spectra)
    optical activity
    3 Citations (Scopus)

    Electrically controllable self-assembly for radial alignment of gold nanorods in liquid crystal droplets

    Wang, N., Evans, J. S., Liu, Q., Wang, S., Khoo, I. & He, S., Jan 1 2015, In : Optical Materials Express. 5, 5, p. 1065-1070 6 p.

    Research output: Contribution to journal › Article

    Liquid Crystals
    Nanorods
    Gold
    Liquid crystals
    Self assembly
    7 Citations (Scopus)

    Lasing properties of a cholesteric liquid crystal containing aggregation-induced-emission material

    Wang, N., Evans, J. S., Mei, J., Zhang, J., Khoo, I. C. & He, S., Dec 28 2015, In : Optics Express. 23, 26, p. 33938-33946 9 p.

    Research output: Contribution to journal › Article

    lasing
    liquid crystals
    dyes
    doped crystals
    thresholds
    2 Citations (Scopus)

    Maxwell stress induced flow-deformation and optical nonlinearities in liquid crystals

    Khoo, I. C., Zhao, S., Chen, C. W. & Ho, T. J., Jan 1 2015, In : Progress in Electromagnetics Research. 154, p. 51-63 13 p., A004.

    Research output: Contribution to journal › Article

    Pulsed lasers
    Liquid crystals
    liquid crystals
    nonlinearity
    retraining
    2014

    Active plasmonic, tunable metamaterials and ultrafast nonlinear optics with liquid crystals

    Khoo, I., 2014, In : Digest of Technical Papers - SID International Symposium. 45, 1, p. 484-487 4 p.

    Research output: Contribution to journal › Article

    Nonlinear optics
    Metamaterials
    Light transmission
    Photonic crystals
    Liquid crystals
    7 Citations (Scopus)

    Enhanced optical tuning of modified-geometry resonators clad in blue phase liquid crystals

    Ptasinski, J., Khoo, I. C. & Fainman, Y., Sep 15 2014, In : Optics Letters. 39, 18, p. 5435-5438 4 p.

    Research output: Contribution to journal › Article

    resonators
    liquid crystals
    tuning
    geometry
    shift
    28 Citations (Scopus)

    Liquid crystal hyperbolic metamaterial for wide-angle negative-positive refraction and reflection

    Pawlik, G., Tarnowski, K., Walasik, W., Mitus, A. C. & Khoo, I. C., Apr 1 2014, In : Optics Letters. 39, 7, p. 1744-1747 4 p.

    Research output: Contribution to journal › Article

    refraction
    liquid crystals
    electro-optics
    electromagnetic radiation
    switches
    11 Citations (Scopus)

    Multiple time scales optical nonlinearities of liquid crystals for optical-terahertz-microwave applications

    Khoo, I. C. & Zhao, S., Jan 1 2014, In : Progress in Electromagnetics Research. 147, p. 37-56 20 p.

    Research output: Contribution to journal › Article

    Liquid crystals
    liquid crystals
    nonlinearity
    Microwaves
    optical switching
    18 Citations (Scopus)

    Nonlinear optics of nematic and blue phase liquid crystals

    Khoo, I. C., Chen, C. W., Hong, K. L., Lin, T. H. & Zhao, S., May 3 2014, In : Molecular crystals and liquid crystals. 594, 1, p. 31-41 11 p.

    Research output: Contribution to journal › Article

    Liquid Crystals
    Nonlinear optics
    Continuous wave lasers
    nonlinear optics
    Liquid crystals

    Optics and photonics of Taiwan international conference: Introduction by the feature editors

    Fuh, A. Y. G., Khoo, I. C., Lin, T. H., Huang, Y. P., Chien, L. C., Chigrinov, V. G. & Yang, T. H., Aug 1 2014, In : Applied Optics. 22, p. DT1-DT5

    Research output: Contribution to journal › Article

    Taiwan
    Photonics
    Optics
    photonics
    optics
    11 Citations (Scopus)

    Passive temperature stabilization of silicon photonic devices using liquid crystals

    Ptasinski, J., Khoo, I. C. & Fainman, Y., Jan 1 2014, In : Materials. 7, 3, p. 2229-2241 13 p.

    Research output: Contribution to journal › Article

    Liquid Crystals
    Photonic devices
    Silicon
    Liquid crystals
    Stabilization
    2013
    34 Citations (Scopus)

    Blue-phase liquid crystal cored optical fiber array with photonic bandgaps and nonlinear transmission properties

    Khoo, I. C., Hong, K. L., Zhao, S., Ma, D. & Lin, T. H., Feb 25 2013, In : Optics Express. 21, 4, p. 4319-4327 9 p.

    Research output: Contribution to journal › Article

    optical fibers
    liquid crystals
    photonics
    fibers
    lasers
    24 Citations (Scopus)

    Direct femtosecond pulse compression with miniature-sized Bragg cholesteric liquid crystal

    Song, L., Fu, S., Liu, Y., Zhou, J., Chigrinov, V. G. & Khoo, I. C., Dec 1 2013, In : Optics Letters. 38, 23, p. 5040-5042 3 p.

    Research output: Contribution to journal › Article

    backward waves
    pulse compression
    coupled modes
    Bragg gratings
    pulse duration
    1 Citation (Scopus)

    Frequency-controlled routing of self-confined beams in nematic liquid crystals

    Piccardi, A., Alberucci, A., Buchnev, O., Kaczmarek, M., Khoo, I. C. & Assanto, G., May 1 2013, In : Molecular crystals and liquid crystals. 573, 1, p. 26-33 8 p.

    Research output: Contribution to journal › Article

    Nematic liquid crystals
    Frequency modulation
    Electrooptical effects
    liquid crystals
    Electrodes
    13 Citations (Scopus)

    Mode recombination and alternation of surface plasmons in anisotropic mediums

    Luo, R., Gu, Y., Li, X., Wang, L., Khoo, I. & Gong, Q., Jan 7 2013, In : Applied Physics Letters. 102, 1, 011117.

    Research output: Contribution to journal › Article

    anisotropic media
    alternations
    plasmons
    insulators
    polaritons
    31 Citations (Scopus)

    Optical tuning of silicon photonic structures with nematic liquid crystal claddings

    Ptasinski, J., Kim, S. W., Pang, L., Khoo, I. C. & Fainman, Y., Jun 15 2013, In : Optics Letters. 38, 12, p. 2008-2010 3 p.

    Research output: Contribution to journal › Article

    liquid crystals
    tuning
    photonics
    silicon
    doped crystals
    27 Citations (Scopus)

    Temperature dependence of refractive index in blue phase liquid crystals

    Chen, C. W., Jau, H. C., Lee, C. H., Li, C. C., Hou, C. T., Wu, C. W., Lin, T. H. & Khoo, I., Jul 26 2013, In : Optical Materials Express. 3, 5, p. 527-532 6 p.

    Research output: Contribution to journal › Article

    Liquid Crystals
    Liquid crystals
    Refractive index
    Photonics
    Temperature
    2012
    9 Citations (Scopus)

    Frequency-controlled deflection of spatial solitons in nematic liquid crystals

    Piccardi, A., Alberucci, A., Buchnev, O., Kaczmarek, M., Khoo, I. & Assanto, G., Aug 20 2012, In : Applied Physics Letters. 101, 8, 081112.

    Research output: Contribution to journal › Article

    deflection
    solitary waves
    liquid crystals
    electro-optics
    waveguides
    31 Citations (Scopus)

    Infrared cylindrical cloak in nanosphere dispersed liquid crystal metamaterial

    Pawlik, G., Tarnowski, K., Walasik, W., Mitus, A. C. & Khoo, I., Jun 1 2012, In : Optics Letters. 37, 11, p. 1847-1849 3 p.

    Research output: Contribution to journal › Article

    liquid crystals
    birefringence
    refraction
    visibility
    spatial distribution
    58 Citations (Scopus)

    Light-driven tunable dual-band plasmonic absorber using liquid-crystal-coated asymmetric nanodisk array

    Zhao, Y., Hao, Q., Ma, Y., Lu, M., Zhang, B., Lapsley, M., Khoo, I. C. & Jun Huang, T., Jan 30 2012, In : Applied Physics Letters. 100, 5, 053119.

    Research output: Contribution to journal › Article

    absorbers
    liquid crystals
    electromagnetic radiation
    permittivity
    gold
    30 Citations (Scopus)

    Nonlinear optical grating diffraction in dye-doped blue-phase liquid crystals

    Khoo, I. C. & Lin, T. H., Aug 1 2012, In : Optics Letters. 37, 15, p. 3225-3227 3 p.

    Research output: Contribution to journal › Article

    gratings (spectra)
    dyes
    liquid crystals
    nonlinearity
    retraining
    1 Citation (Scopus)

    On cloaking effect in nanosphere dispersed liquid crystal metamaterial

    Pawlik, G., Walasik, W., Jarema, M., Mitus, A. C. & Khoo, I. C., Dec 1 2012, In : Nonlinear Optics Quantum Optics. 45, 1-2, p. 53-69 17 p.

    Research output: Contribution to journal › Article

    Liquid Crystals
    Nanospheres
    Metamaterials
    Liquid crystals
    Invisibility cloaks
    62 Citations (Scopus)

    Random lasing in blue phase liquid crystals

    Chen, C. W., Jau, H. C., Wang, C. T., Lee, C. H., Khoo, I. & Lin, T. H., Oct 8 2012, In : Optics Express. 20, 21, p. 23978-23984 7 p.

    Research output: Contribution to journal › Article

    lasing
    liquid crystals
    platelets
    polymers
    thresholds
    5 Citations (Scopus)

    Temperature dependence of refractive index gradient in nanosphere dispersed liquid crystal (NDLC) metamaterial at infrared frequencies: Monte Carlo study

    Pawlik, G., Walasik, W., Jarema, M., Mitus, A. C. & Khoo, I., Aug 1 2012, In : Optical Materials. 34, 10, p. 1656-1659 4 p.

    Research output: Contribution to journal › Article

    Liquid Crystals
    Nanospheres
    Metamaterials
    Liquid crystals
    Refractive index
    2011
    51 Citations (Scopus)

    All-optical modulation of localized surface plasmon coupling in a hybrid system composed of photoswitchable gratings and au nanodisk arrays

    Liu, Y. J., Zheng, Y. B., Liou, J., Chiang, I. K., Khoo, I. C. & Huang, T. J., Apr 21 2011, In : Journal of Physical Chemistry C. 115, 15, p. 7717-7722 6 p.

    Research output: Contribution to journal › Article

    Light modulation
    light modulation
    Surface plasmon resonance
    Hybrid systems
    surface plasmon resonance
    26 Citations (Scopus)

    Extreme nonlinear optics of nematic liquid crystals [Invited]

    Khoo, I., Jan 1 2011, In : Journal of the Optical Society of America B: Optical Physics. 28, 12, p. A45-A55

    Research output: Contribution to journal › Article

    nonlinear optics
    liquid crystals
    retraining
    coefficients
    geometry
    30 Citations (Scopus)

    Frequency-addressed tunable transmission in optically thin metallic nanohole arrays with dual-frequency liquid crystals

    Hao, Q., Zhao, Y., Juluri, B. K., Kiraly, B., Liou, J., Khoo, I. & Huang, T. J., Apr 15 2011, In : Journal of Applied Physics. 109, 8, 084340.

    Research output: Contribution to journal › Article

    liquid crystals
    plasmons
    alignment
    optical properties
    composite materials
    21 Citations (Scopus)

    High contrast modulation of plasmonic signals using nanoscale dual-frequency liquid crystals

    Smalley, J. S. T., Zhao, Y., Nawaz, A. A., Hao, Q., Ma, Y., Khoo, I. C. & Huang, T. J., Aug 1 2011, In : Optics Express. 19, 16, p. 15265-15274 10 p.

    Research output: Contribution to journal › Article

    liquid crystals
    grooves
    modulation
    slits
    information systems
    18 Citations (Scopus)

    Large gradients of refractive index in nanosphere dispersed liquid crystal metamaterial with inhomogeneous anchoring: Monte Carlo study

    Pawlik, G., Walasik, W., Mitus, A. C. & Khoo, I., Jul 1 2011, In : Optical Materials. 33, 9, p. 1459-1463 5 p.

    Research output: Contribution to journal › Article

    Liquid Crystals
    Nanospheres
    Metamaterials
    Liquid crystals
    Refractive index
    23 Citations (Scopus)

    Large spectral tunability of narrow geometric resonances of periodic arrays of metallic nanoparticles in a nematic liquid crystal

    Li, J., Ma, Y., Gu, Y., Khoo, I. & Gong, Q., May 23 2011, In : Applied Physics Letters. 98, 21, 213101.

    Research output: Contribution to journal › Article

    liquid crystals
    nanoparticles
    switches
    refractivity
    gold
    13 Citations (Scopus)

    Multiple-time-scale dynamic studies of nonlinear transmission of pulsed lasers in a multiphoton-absorbing organic material

    Khoo, I. & Diaz, A., Jul 1 2011, In : Journal of the Optical Society of America B: Optical Physics. 28, 7, p. 1702-1710 9 p.

    Research output: Contribution to journal › Article

    organic materials
    pulsed lasers
    absorbers
    data transmission
    dynamic models
    210 Citations (Scopus)

    Polarization-independent dual-band infrared perfect absorber based on a metal-dielectric-metal elliptical nanodisk array

    Zhang, B., Zhao, Y., Hao, Q., Kiraly, B., Khoo, I. C., Chen, S. & Huang, T. J., Aug 1 2011, In : Optics Express. 19, 16, p. 15221-15228 8 p.

    Research output: Contribution to journal › Article

    absorbers
    polarization
    incidence
    metals
    resonant frequencies
    10 Citations (Scopus)

    Ultrafast all-optical switching with transparent and absorptive nematic liquid crystals-implications in tunable metamaterials

    Khoo, I. C., Liou, J., Stinger, M. V. & Zhao, S., 2011, In : Molecular crystals and liquid crystals. 543, p. 151/[917]-159/[925]

    Research output: Contribution to journal › Article

    Nematic liquid crystals
    Metamaterials
    optical switching
    Pulsed lasers
    pulsed lasers
    2010
    83 Citations (Scopus)

    A frequency-addressed plasmonic switch based on dual-frequency liquid crystals

    Liu, Y. J., Hao, Q., Smalley, J. S. T., Liou, J., Khoo, I. C. & Huang, T. J., Aug 30 2010, In : Applied Physics Letters. 97, 9, 091101.

    Research output: Contribution to journal › Article

    switches
    liquid crystals
    surface plasmon resonance
    embedding
    integrated circuits