尋找研究成果

搜尋概念
已選取的篩選器
2019
3 引文 (Scopus)

A curvature-tunable random laser

Lee, Y. J., Yeh, T. W., Yang, Z. P., Yao, Y. C., Chang, C. Y., Tsai, M. T. & Sheu, J. K., 2019 二月 28, 於 : Nanoscale. 11, 8, p. 3534-3545 12 p.

研究成果: Article

Lasers
Optical feedback
Polyethylene Terephthalates
Cavity resonators
Multiple scattering

Bending-induced tunable threshold in random laser

Lee, Y. J., Yeh, T. W., Yang, Z. P., Yao, Y. C., Chang, C. Y., Tsai, M. T. & Sheu, J-K., 2019 一月 1, CLEO: Science and Innovations, CLEO_SI 2019. OSA - The Optical Society, (Optics InfoBase Conference Papers; 卷 Part F129-CLEO_SI 2019).

研究成果: Conference contribution

Polyethylene Terephthalates
Polyethylene terephthalates
Nanowires
Light sources
Photons

Bending-Induced Tunable Threshold in Random Laser

Lee, Y. J., Yeh, T. W., Yang, Z. P., Yao, Y. C., Chang, C. Y., Tsai, M. T. & Sheu, J-K., 2019 五月 1, 2019 Conference on Lasers and Electro-Optics, CLEO 2019 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 8750113. (2019 Conference on Lasers and Electro-Optics, CLEO 2019 - Proceedings).

研究成果: Conference contribution

Nanowires
spectral emission
Polyethylene Terephthalates
polyethylene terephthalate
Photons
Aluminum gallium nitride
Gallium nitride
formic acid
Seawater
Carbon Dioxide

Graphene quantum dot vertical cavity surface-emitting lasers

Lee, Y. J., Yeh, T. W., Zou, C., Yang, Z. P., Chen, J. W., Hsu, P. L., Shen, J. L., Chang, C. C., Sheu, J. K. & Lin, L. Y., 2019 一月 1, (Accepted/In press) 於 : ACS Photonics.

研究成果: Article

Quantum Dots
Graphite
Surface emitting lasers
surface emitting lasers
Graphene

Investigation on Modulation Speed of Photon-Recycling White Light-Emitting Diodes with Vertical-Conduction Structure

Chen, F. B., Chi, K. L., Yen, W. Y., Sheu, J-K., Lee, M. L. & Shi, J. W., 2019 二月 15, 於 : Journal of Lightwave Technology. 37, 4, p. 1225-1230 6 p., 8598743.

研究成果: Article

recycling
light emitting diodes
phosphors
modulation
conduction

Light-emitting diodes with surface gallium nitride p–n homojunction structure formed by selective area regrowth

Lee, M. L., Wang, S. S., Yeh, Y. H., Liao, P. H. & Sheu, J-K., 2019 十二月 1, 於 : Scientific reports. 9, 1, 3243.

研究成果: Article

Light
gallium nitride
Ultraviolet Rays
Photons
3 引文 (Scopus)

Mn valence state mediated room temperature ferromagnetism in nonpolar Mn doped GaN

Wadekar, P. V., Chang, C. W., Zheng, Y. J., Guo, S. S., Hsieh, W. C., Cheng, C. M., Ma, M. H., Lai, W. C., Sheu, J. K., Chen, Q. Y. & Tu, L. W., 2019 四月 15, 於 : Applied Surface Science. 473, p. 693-698 6 p.

研究成果: Article

Ferromagnetism
ferromagnetism
Doping (additives)
valence
room temperature

Verification of complex acoustic mismatch model in sub-THz regime

Wei, F. J., Mole, R. A., Karna, S. K., Shi, J. W., Sheu, J-K. & Lin, K. H., 2019 四月 15, 於 : Applied Physics Letters. 114, 15, 151106.

研究成果: Article

開啟存取
acoustics
silicon dioxide
acoustic attenuation
acoustic impedance
acoustic properties
2018
1 引文 (Scopus)

Design of GaN-based multicolor tunnel-junction light-emitting diodes

Shih, Y. H., Chang, J. Y., Kuo, Y. K., Chen, F. M., Huang, M. F., Lee, M. L. & Sheu, J-K., 2018 一月 1, 於 : IEEE Transactions on Electron Devices. 65, 1, p. 165-171 7 p.

研究成果: Article

Tunnel junctions
Light emitting diodes
Semiconductor quantum wells
Color
Full width at half maximum
3 引文 (Scopus)

GaN intermediate band solar cells with Mn-doped absorption layer

Lee, M. L., Huang, F. W., Chen, P. C. & Sheu, J-K., 2018 十二月 1, 於 : Scientific reports. 8, 1, 8641.

研究成果: Article

solar cells
electroluminescence
control equipment
air masses
short circuit currents
2 引文 (Scopus)

Suppressing the initial growth of sidewall GaN by modifying micron-sized patterned sapphire substrate with H3PO4-based etchant

Hsu, W. Y., Lian, Y. C., Wu, P. Y., Yong, W. M., Sheu, J. K., Lin, K. L. & Wu, Y. C. S., 2018 十一月 26, 於 : Micromachines. 9, 12, 622.

研究成果: Article

Sapphire
Nucleation
Substrates
Coalescence
Light emitting diodes
2017
3 引文 (Scopus)

Carrier dynamics of Mn-induced states in GaN thin films

Chen, Y. T., Yang, C. Y., Chen, P. C., Sheu, J. K. & Lin, K. H., 2017 十二月 1, 於 : Scientific reports. 7, 1, 5788.

研究成果: Article

thin films
solar cells
optical measurement
light emission
manganese
1 引文 (Scopus)

Extracting elastic properties of an atomically thin interfacial layer by time-domain analysis of femtosecond acoustics

Chen, H. Y., Huang, Y. R., Shih, H. Y., Chen, M. J., Sheu, J-K. & Sun, C. K., 2017 十一月 20, 於 : Applied Physics Letters. 111, 21, 213101.

研究成果: Article

time domain analysis
elastic properties
acoustics
engineering
transmission electron microscopy

GaN based Cyan light-emitting diodes with GHz bandwidth

Shi, J. W., Chi, K. L., Wun, J. M., Bowers, J. E. & Sheu, J-K., 2017 一月 23, 2016 IEEE Photonics Conference, IPC 2016. Institute of Electrical and Electronics Engineers Inc., p. 623-624 2 p. 7831257. (2016 IEEE Photonics Conference, IPC 2016).

研究成果: Conference contribution

Light emitting diodes
light emitting diodes
bandwidth
Bandwidth
Carrier lifetime
4 引文 (Scopus)

GaN-based cyan light-emitting diode with up to 1-GHz bandwidth for high-speed transmission over SI-POF

Vinogradov, J., Kruglov, R., Engelbrecht, R., Ziemann, O., Sheu, J-K., Chi, K. L., Wun, J. M. & Shi, J. W., 2017 一月 1, 於 : IEEE Photonics Journal. 9, 3, 7201707.

研究成果: Article

Plastic optical fibers
plastic fibers
International System of Units
Light emitting diodes
light emitting diodes

III-V Nitride-based photodetection

Lin, C. C., Hsu, L. H., Tsai, Y. L., Kuo, H. C. H., Lai, W-C. & Sheu, J-K., 2017 一月 1, Handbook of GaN Semiconductor Materials and Devices. CRC Press, p. 597-614 18 p.

研究成果: Chapter

Nitrides
nitrides
Indium
indium
Gallium nitride
15 引文 (Scopus)
formic acid
Epitaxial films
Formic acid
Hydrogen
Electrodes
3 引文 (Scopus)

In Situ Monitoring of Chemical Reactions at a Solid-Water Interface by Femtosecond Acoustics

Shen, C. C., Weng, M. Y., Sheu, J-K., Yao, Y. T. & Sun, C. K., 2017 十一月 2, 於 : Journal of Physical Chemistry Letters. 8, 21, p. 5430-5437 8 p.

研究成果: Article

Chemical reactions
chemical reactions
Acoustics
acoustics
Water
2 引文 (Scopus)

Monolithic stacked blue light-emitting diodes with polarization-enhanced tunnel junctions

Kuo, Y. K., Shih, Y. H., Chang, J. Y., Lai, W-C., Liu, H., Chen, F. M., Lee, M. L. & Sheu, J-K., 2017 八月 7, 於 : Optics Express. 25, 16, p. A777-A784

研究成果: Article

tunnel junctions
light emitting diodes
polarization
electric potential
diagrams

Multiple-layered type-II GaSb/GaAs quantum ring solar cells under concentrated solar illumination

Jheng, Y. H., Hsu, S. C., Wu, S. H., Sheu, J-K., Lo, Y. T., Kuo, H. C., Chen, H. A., Lin, S. Y. & Lin, C. C., 2017 一月 1, 2017 IEEE 44th Photovoltaic Specialist Conference, PVSC 2017. Institute of Electrical and Electronics Engineers Inc., p. 1-4 4 p. (2017 IEEE 44th Photovoltaic Specialist Conference, PVSC 2017).

研究成果: Conference contribution

Solar cells
Lighting
Infrared radiation
Sun
Nanostructures
2 引文 (Scopus)
Hydrogen
Water
Photoelectrochemical cells
Epitaxial layers
Ion implantation
4 引文 (Scopus)

Planar GaN-Based Blue Light-Emitting Diodes with Surface p-n Junction Formed by Selective-Area Si-Ion Implantation

Lee, M. L., Yeh, Y. H., Liu, Z. Y., Chiang, K. J. & Sheu, J-K., 2017 十月 1, 於 : IEEE Transactions on Electron Devices. 64, 10, p. 4156-4160 5 p., 8013099.

研究成果: Article

Ion implantation
Light emitting diodes
Semiconductor quantum wells
Luminescence
Optical pumping

The development of high-speed ill-nitride based light-emitting diode for visible light and plastic Optical fiber communications

Shi, J. W. & Sheu, J-K., 2017 十一月 20, 30th Annual Conference of the IEEE Photonics Society, IPC 2017. Institute of Electrical and Electronics Engineers Inc., p. 73-74 2 p. (30th Annual Conference of the IEEE Photonics Society, IPC 2017; 卷 2017-January).

研究成果: Conference contribution

Optical fiber communication
Plastic optical fibers
plastic fibers
Nitrides
nitrides
2 引文 (Scopus)

Theoretical investigation of efficient green tunnel-junction light-emitting diodes

Kuo, Y. K., Shih, Y. H., Chang, J. Y., Chen, F. M., Lee, M. L. & Sheu, J-K., 2017 一月 1, 於 : IEEE Electron Device Letters. 38, 1, p. 75-78 4 p., 7752856.

研究成果: Article

Tunnel junctions
Light emitting diodes
Quantum efficiency
Current density
2016
10 引文 (Scopus)

Design of Hole-Blocking and Electron-Blocking Layers in AlxGa1-xN-Based UV Light-Emitting Diodes

Shih, Y. H., Chang, J. Y., Sheu, J-K., Kuo, Y. K., Chen, F. M., Lee, M. L. & Lai, W-C., 2016 三月 1, 於 : IEEE Transactions on Electron Devices. 63, 3, p. 1141-1147 7 p., 7399737.

研究成果: Article

Diodes
Electrons
Light emitting diodes
Chemical analysis
Valence bands
18 引文 (Scopus)

Enhancing UV-emissions through optical and electronic dual-function tuning of Ag nanoparticles hybridized with n-ZnO nanorods/p-GaN heterojunction light-emitting diodes

Yao, Y. C., Yang, Z. P., Hwang, J. M., Chuang, Y. L., Lin, C. C., Haung, J. Y., Chou, C. Y., Sheu, J-K., Tsai, M. T. & Lee, Y. J., 2016 二月 28, 於 : Nanoscale. 8, 8, p. 4463-4474 12 p.

研究成果: Article

Nanorods
Light emitting diodes
Heterojunctions
Tuning
Nanoparticles
1 引文 (Scopus)

GaN-Based UV Light-Emitting Diodes With a Green Indicator Through Selective-Area Photon Recycling

Chen, F. B., Sheu, J. K., Yen, W. Y., Wang, Y. C., Huang, S. H., Liu, C. N., Yeh, Y. H., Chang, C. C. & Lee, M. L., 2016 三月 1, 於 : IEEE Transactions on Electron Devices. 63, 3, p. 1122-1127 6 p., 7395353.

研究成果: Article

Light emitting diodes
Recycling
Photons
Semiconductor quantum wells
Wafer bonding
21 引文 (Scopus)

III-Nitride-Based Cyan Light-Emitting Diodes with GHz Bandwidth for High-Speed Visible Light Communication

Shi, J. W., Chi, K. L., Wun, J. M., Bowers, J. E., Shih, Y. H. & Sheu, J. K., 2016 七月, 於 : IEEE Electron Device Letters. 37, 7, p. 894-897 4 p., 7479469.

研究成果: Article

Nitrides
Light emitting diodes
Bandwidth
Aluminum Oxide
Quantum efficiency
7 引文 (Scopus)

Manganese-doped AlGaN/GaN heterojunction solar cells with intermediate band absorption

Sheu, J-K., Chen, P. C., Shin, C. L., Lee, M. L., Liao, P. H. & Lai, W-C., 2016 十二月 1, 於 : Solar Energy Materials and Solar Cells. 157, p. 727-732 6 p.

研究成果: Article

Manganese
Heterojunctions
Absorption spectra
Solar cells
Electron energy levels
2 引文 (Scopus)

Mask-free regrowth of GaN p-i-n structure on selective-area Si-implanted n-GaN template layer

Sheu, J. K., Chen, P. C., Yeh, Y. H., Kuo, S. H., Lee, M. L., Liao, P. H. & Lai, W. C., 2016 四月 15, 於 : Acta Materialia. 108, p. 17-25 9 p.

研究成果: Article

Masks
Diodes
Electron transitions
Valence bands
Photodiodes
1 引文 (Scopus)

Multiple-layered type-II GaSb/GaAs quantum ring solar cells under concentrated solar illumination

Jheng, Y. H., Hsu, S. C., Wu, S. H., Sheu, J-K., Lo, Y. T., Kuo, H. C., Chen, H. A., Lin, S. Y. & Lin, C. C., 2016 十一月 18, 2016 IEEE 43rd Photovoltaic Specialists Conference, PVSC 2016. Institute of Electrical and Electronics Engineers Inc., p. 2091-2094 4 p. 7749999. (Conference Record of the IEEE Photovoltaic Specialists Conference; 卷 2016-November).

研究成果: Conference contribution

Solar cells
Lighting
Infrared radiation
Photocurrents
Sun

Physical properties of Al-doped MgZnO/AlGaN p–n heterojunction photodetectors

Hsueh, K. P., Chiu, H. C., Sheu, J-K. & Yeh, Y. H., 2016 十一月 1, 於 : Optical and Quantum Electronics. 48, 11, 501.

研究成果: Article

Photodetectors
photometers
Heterojunctions
heterojunctions
Physical properties
5 引文 (Scopus)

THz Acoustic Spectroscopy by using Double Quantum Wells and Ultrafast Optical Spectroscopy

Wei, F. J., Yeh, Y. H., Sheu, J-K. & Lin, K. H., 2016 六月 27, 於 : Scientific reports. 6, 28577.

研究成果: Article

quantum wells
acoustics
spectroscopy
scattering
transducers
2015
1 引文 (Scopus)

Al-doped MgZnO/p-AlGaN heterojunction and their application in ultraviolet photodetectors

Hsueh, K. P., Cheng, P. W., Lin, W. Y., Chiu, H. C., Sheu, J-K. & Yeh, Y. H., 2015 一月 1, International Seminar on Photonics, Optics, and Its Applications, ISPhOA 2014. Nasution, A. (編輯). SPIE, 94440K. (Proceedings of SPIE - The International Society for Optical Engineering; 卷 9444).

研究成果: Conference contribution

AlGaN
Heterojunction
Photodetector
Photodetectors
Ultraviolet

Characterization of Nb-doped MgZnO films grown by a radio-frequency magnetron sputtering system

Hsueh, K. P., Lin, W. Y., Chiu, H. C., Wang, H. C., Sheu, J. K. & Yeh, Y. H., 2015 八月 31, IBP 2015 - 2015 IEEE International Broadband and Photonics Conference. Institute of Electrical and Electronics Engineers Inc., p. 55-59 5 p. 7230765. (IBP 2015 - 2015 IEEE International Broadband and Photonics Conference).

研究成果: Conference contribution

Niobium
niobium
Magnetron sputtering
radio
radio frequencies

Effects of temperature on niobium-doped MgZnO films grown using radio-frequency magnetron sputtering

Hsueh, K. P., Huang, C. Y., Chiu, H. C., Sheu, J-K. & Yeh, Y. H., 2015 一月 1, 於 : ECS Journal of Solid State Science and Technology. 4, 8, p. Q96-Q100

研究成果: Article

Niobium
Magnetron sputtering
X ray photoelectron spectroscopy
Temperature
X ray diffraction
5 引文 (Scopus)

GaN-based photon-recycling green light-emitting diodes with vertical-conduction structure

Sheu, J-K., Chen, F. B., Yen, W. Y., Wang, Y. C., Liu, C. N., Yeh, Y. H. & Lee, M. L., 2015 四月 6, 於 : Optics Express. 23, 7, p. A371-A381

研究成果: Article

recycling
light emitting diodes
conduction
photons
quantum wells
4 引文 (Scopus)

Positioning effect of type-II GaSb/GaAs quantum ring layer on solar cell performances

Hsu, S. C., Chen, Y. H., Chen, H. A., Lin, S. Y., Shen, T. L., Kuo, H. C., Shih, C. L., Sheu, J-K. & Lin, C. C., 2015 十二月 14, 2015 IEEE 42nd Photovoltaic Specialist Conference, PVSC 2015. Institute of Electrical and Electronics Engineers Inc., 7355811. (2015 IEEE 42nd Photovoltaic Specialist Conference, PVSC 2015).

研究成果: Conference contribution

Solar cells
Open circuit voltage
Sun
gallium arsenide
23 引文 (Scopus)

THz acoustic phonon spectroscopy and nanoscopy by using piezoelectric semiconductor heterostructures

Mante, P. A., Huang, Y. R., Yang, S. C., Liu, T. M., Maznev, A. A., Sheu, J-K. & Sun, C. K., 2015 二月 1, 於 : Ultrasonics. 56, p. 52-65 14 p.

研究成果: Review article

acoustics
spectroscopy
nitrides
phonons
attenuation
6 引文 (Scopus)

Vertical GaN-Based LEDs with Naturally Textured Surface Formed by Patterned Sapphire Substrate with Self-Assembled Ag Nanodots as Etching Mask

Yeh, Y. H., Sheu, J-K., Lee, M. L., Yen, W. Y., Peng, L. C., Yeh, C. Y., Liao, P. H., Chen, P. C. & Lai, W-C., 2015 九月 1, 於 : IEEE Transactions on Electron Devices. 62, 9, p. 2919-2923 5 p., 7202874.

研究成果: Article

Aluminum Oxide
Sapphire
Light emitting diodes
Masks
Etching
13 引文 (Scopus)

Warm-white light-emitting diode with high color rendering index fabricated by combining trichromatic InGaN emitter with single red phosphor

Sheu, J-K., Chen, F. B., Wang, Y. C., Chang, C. C., Huang, S. H., Liu, C. N. & Lee, M. L., 2015 四月 6, 於 : Optics Express. 23, 7, p. A232-A239

研究成果: Article

phosphors
emitters
light emitting diodes
color
quantum wells
8 引文 (Scopus)

White emission from non-planar InGaN/GaN MQW LEDs grown on GaN template with truncated hexagonal pyramids

Lee, M. L., Yeh, Y. H., Tu, S. J., Chen, P. C., Lai, W-C. & Sheu, J-K., 2015 四月 6, 於 : Optics Express. 23, 7, p. A401-A412

研究成果: Article

pyramids
light emitting diodes
templates
quantum wells
indium
2014
2 引文 (Scopus)

Determination of s-d exchange coupling in GaMnN by time-resolved Kerr rotation spectroscopy

Hsu, W. T., Hsieh, T. Y., Chen, H. F., Huang, F. W., Chen, P. C., Sheu, J-K. & Chang, W. H., 2014 九月 29, 於 : Physical Review B - Condensed Matter and Materials Physics. 90, 12, 125205.

研究成果: Article

Exchange coupling
Spectroscopy
Electrons
spin dynamics
electron spin
10 引文 (Scopus)

Ga2O3 films for photoelectrochemical hydrogen generation

Chang, S-J., Wu, Y. L., Weng, W. Y., Lin, Y. H., Hsieh, W. K., Sheu, J-K. & Hsu, C. L., 2014 一月 1, 於 : Journal of the Electrochemical Society. 161, 9

研究成果: Article

Hydrogen
hydrogen
Photocathodes
water splitting
Dark currents

Improved light extraction of nitride-based flip-chip light-emitting diodes by forming air voids on Ar-implanted sapphire substrate

Yeh, Y. H., Sheu, J-K., Lee, M. L., Chen, P. C., Yang, Y. C., Yen, C. H. & Lai, W-C., 2014 一月 1, Thirteenth International Conference on Solid State Lighting. Jiao, J., Kane, M. H., Dietz, N. & Huang, J-J. (編輯). SPIE, 91900Z. (Proceedings of SPIE - The International Society for Optical Engineering; 卷 9190).

研究成果: Conference contribution

Flip chip
Nitrides
Aluminum Oxide
Sapphire
Voids
16 引文 (Scopus)

Passively gain-switched and self mode-locked thulium fiber laser at 1950 nm

Tsao, H. X., Chang, C. H., Lin, S. T., Sheu, J. K. & Tsai, T. Y., 2014 一月 1, 於 : Optics and Laser Technology. 56, p. 354-357 4 p.

研究成果: Article

Thulium
thulium
Fiber lasers
Laser modes
fiber lasers
3 引文 (Scopus)

Photoelectrochemical hydrogen generation with linear gradient Al composition dodecagon faceted AlGaN/n-GaN electrode

Lai, W-C., Ma, M. H., Lin, B. K., Hsieh, B. H., Wu, Y. R. & Sheu, J-K., 2014 十二月 15, 於 : Optics Express. 22, 25, p. A1853-A1861

研究成果: Article

gradients
electrodes
hydrogen
cells
electromagnetic absorption
24 引文 (Scopus)

Probing hydrophilic interface of solid/liquid-water by nanoultrasonics

Mante, P. A., Chen, C. C., Wen, Y. C., Chen, H. Y., Yang, S. C., Huang, Y. R., Chen, I. J., Chen, Y. W., Gusev, V., Chen, M. J., Kuo, J. L., Sheu, J. K. & Sun, C. K., 2014 九月 1, 於 : Scientific reports. 4, 6249.

研究成果: Article

Water
Liquids
Molecular interactions
Ice
Hydration
1 引文 (Scopus)

Selective Growth of AlGaN-Based p-i-n UV Photodiodes Structures

Lee, M. L., Yeh, Y. H., Chang, K. H., Chen, P. C., Lai, W. C. & Sheu, J. K., 2014 十一月 1, 於 : IEEE Journal on Selected Topics in Quantum Electronics. 20, 6, 6824169.

研究成果: Article

Photodiodes
photodiodes
Lattice mismatch
Tensile strain
spectral sensitivity