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  • Jinn-Kong Sheu

Acoustic spectroscopy for studies of vitreous silica up to 740 GHz

Lin, K. H., Tsai, D. H., Wang, K. J., Chen, S. H., Chi, K. L., Shi, J. W., Chen, P. C. & Sheu, J. K., 2013 Aug 26, In : AIP Advances. 3, 7, 072126.

Research output: Contribution to journalArticle

7 Citations (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 Feb 28, In : Nanoscale. 11, 8, p. 3534-3545 12 p.

Research output: Contribution to journalArticle

7 Citations (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 Jan 1, International Seminar on Photonics, Optics, and Its Applications, ISPhOA 2014. Nasution, A. (ed.). SPIE, 94440K. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9444).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

A random laser with tunable threshold by bending curvature

Yeh, T. W., Liu, K. H., Yang, Z. P., Yao, Y. C., Chang, C. Y., Tsai, M. T., Sheu, J. K. & Lee, Y. J., 2019 Nov, MOC 2019 - 24th Microoptics Conference. Institute of Electrical and Electronics Engineers Inc., p. 128-129 2 p. 8982762. (MOC 2019 - 24th Microoptics Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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 Jan 1, CLEO: Science and Innovations, CLEO_SI 2019. OSA - The Optical Society, (Optics InfoBase Conference Papers; vol. Part F129-CLEO_SI 2019).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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 May 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).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Biomimetic surface nanostructure on GaN/In 0.25Ga 0.75N solar cells for broad angular enhancement

Wang, H. W., Tsai, M. A., Tu, C. C., Lin, S. H., Kuo, H. C., Yu, P. C. & Sheu, J-K., 2011 Dec 1, Program - 37th IEEE Photovoltaic Specialists Conference, PVSC 2011. p. 948-950 3 p. 6186109. (Conference Record of the IEEE Photovoltaic Specialists Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Carrier dynamics in high-efficiency blue GaN light-emitting diodes under different bias currents and temperatures

Chi, K. L., Shi, J. W., Jang, C. H., Kivisaari, P., Oksanen, J., Tulkki, J., Lee, M. L. & Sheu, J. K., 2012 Oct 17, In : IEEE Photonics Journal. 4, 5, p. 1870-1880 11 p., 6297431.

Research output: Contribution to journalArticle

2 Citations (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 Dec 1, In : Scientific reports. 7, 1, 5788.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Characteristics of InGaN/sapphire-based photovoltaic devices with different superlattice absorption layers and buffer layers

Yang, C. C., Sheu, J-K., Huang, M. S., Tu, S. J., Huang, F. W., Chang, K. H., Lee, M. L. & Lai, W-C., 2011 May 13, Gallium Nitride Materials and Devices VI. 79391J. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 7939).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Characteristics of InGaN-based concentrator solar cells operating under 150X solar concentration

Yang, C. C., Jang, C. H., Sheu, J-K., Lee, M. L., Tu, S. J., Huang, F. W., Yeh, Y. H. & Lai, W-C., 2011 Jul 4, In : Optics Express. 19, 104, p. A695-A700

Research output: Contribution to journalArticle

16 Citations (Scopus)

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 Aug 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).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Confined acoustic vibrations in piezoelectric GaN nanorods

Mante, P. A., Chen, H. P., Wu, Y. C., Ho, C. Y., Tu, L. W., Sheu, J. K. & Sun, C. K., 2012 Dec 1, PHONONS 2012 - XIV International Conference on Phonon Scattering in Condensed Matter. 1 ed. p. 2-8 7 p. (AIP Conference Proceedings; vol. 1506, no. 1).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Current-voltage characteristics of n-AlMgZnO/p-GaN junction diodes

Hsueh, K. P., Cheng, P. W., Cheng, Y. C., Sheu, J-K., Yeh, Y. H., Chiu, H. C. & Wang, H. C., 2013 May 30, Oxide-Based Materials and Devices IV. 86261L. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 8626).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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 Jan, In : IEEE Transactions on Electron Devices. 65, 1, p. 165-171 7 p.

Research output: Contribution to journalArticle

1 Citation (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 Mar 1, In : IEEE Transactions on Electron Devices. 63, 3, p. 1141-1147 7 p., 7399737.

Research output: Contribution to journalArticle

11 Citations (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 Sep 29, In : Physical Review B - Condensed Matter and Materials Physics. 90, 12, 125205.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Dual-wavelength GaN-based LEDs grown on truncated hexagonal pyramids formed by selective-area regrowth on si-implanted GaN templates

Lee, M. L., Yeh, Y. H., Tu, S. J., Chen, P. C., Wu, M. J., Lai, W. C. & Sheu, J. K., 2013 Sep 9, In : Optics Express. 21, 105, p. A864-A871

Research output: Contribution to journalArticle

6 Citations (Scopus)

Effect of growth pressure of undoped GaN layer on the ESD characteristics of GaN-based LEDs grown on patterned sapphire

Jang, C. H., Sheu, J. K., Chang, S. J., Lee, M. L., Yang, C. C., Tu, S. J., Huang, F. W. & Hsu, C. K., 2011 Jul 4, In : IEEE Photonics Technology Letters. 23, 14, p. 968-970 3 p., 5762324.

Research output: Contribution to journalArticle

15 Citations (Scopus)

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 Jan 1, In : ECS Journal of Solid State Science and Technology. 4, 8, p. Q96-Q100

Research output: Contribution to journalArticle

Efficiency enhancement of InGaN/GaN multiple quantum well solar cells using CdS quantum dots and distributed Bragg reflectors

Tsai, Y. L., Lin, C. C., Han, H. V., Chen, H. C., Chen, K. J., Lai, W-C., Sheu, J-K., Lai, F. I., Yu, P. & Kuo, H. C., 2013 Jun 10, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices II. 86201M. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 8620).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Efficient collection of photogenerated carriers by inserting double tunnel junctions in III-nitride p-i-n solar cells

Yao, Y. C., Tsai, M. T., Huang, C. Y., Lin, T. Y., Sheu, J. K. & Lee, Y. J., 2013 Nov 4, In : Applied Physics Letters. 103, 19, 193503.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Electroluminescence of ZnO nanocrystal in sputtered ZnO-SiO2 nanocomposite light-emitting devices

Chen, J. T., Lai, W-C., Chen, C. H., Yang, Y. Y., Sheu, J-K. & Lai, L. W., 2011 Jun 6, In : Optics Express. 19, 12, p. 11873-11879 7 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Enhanced AlGaN/GaN MOS-HEMT performance by using hydrogen peroxide oxidation technique

Liu, H. Y., Chou, B. Y., Hsu, W-C., Lee, C. S., Sheu, J-K. & Ho, C. S., 2013, In : IEEE Transactions on Electron Devices. 60, 1, p. 213-220 8 p., 6374662.

Research output: Contribution to journalArticle

52 Citations (Scopus)

Enhanced hydrogen gas generation rate by n-GaN photoelectrode with immersed finger-type indium tin oxide ohmic contacts

Liu, S. Y., Ye, J. C., Lin, Y. C., Chang, K. H., Lee, M. L., Lai, W. C. & Sheu, J. K., 2011 May 13, Gallium Nitride Materials and Devices VI. 793925. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 7939).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Enhanced light output of GaN-based light-emitting diodes with embedded voids formed on Si-implanted GaN layers

Sheu, J. K., Tu, S. J., Lee, M. L., Yeh, Y. H., Yang, C. C., Huang, F. W., Lai, W. C., Chen, C. W. & Chi, G. C., 2011 Oct 1, In : IEEE Electron Device Letters. 32, 10, p. 1400-1402 3 p., 5967887.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Enhanced output power of GaN-based LEDs with embedded AlGaN pyramidal shells

Tu, S. J., Sheu, J-K., Lee, M. L., Yang, C. C., Chang, K. H., Yeh, Y. H., Huang, F. W. & Lai, W-C., 2011 Jun 20, In : Optics Express. 19, 13, p. 12719-12726 8 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)
1 Citation (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 Feb 28, In : Nanoscale. 8, 8, p. 4463-4474 12 p.

Research output: Contribution to journalArticle

22 Citations (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 Nov 20, In : Applied Physics Letters. 111, 21, 213101.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Femtosecond excitation of confined acoustic modes in 2-D arrayed GaN nanorods

Chen, H. P., Wu, Y. C., Sheu, J-K. & Sun, C. K., 2011 Dec 1, Quantum Electronics and Laser Science Conference, QELS 2011. (Optics InfoBase Conference Papers).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Femtosecond excitation of confined acoustic modes in 2-D arrayed GaN nanorods

Chen, H. P., Wu, Y. C., Sheu, J-K. & Sun, C. K., 2011 Sep 1, 2011 Conference on Lasers and Electro-Optics: Laser Science to Photonic Applications, CLEO 2011. 5951647. (2011 Conference on Lasers and Electro-Optics: Laser Science to Photonic Applications, CLEO 2011).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Femtosecond excitation of radial breathing mode in 2-D arrayed GaN nanorods

Chen, H. P., Wu, Y. C., Mante, P. A., Tu, S. J., Sheu, J-K. & Sun, C. K., 2012 Jul 16, In : Optics Express. 20, 15, p. 16611-16617 7 p.

Research output: Contribution to journalArticle

14 Citations (Scopus)

Femtosecond ultrasonic spectroscopy using a piezoelectric nanolayer: Hypersound attenuation in vitreous silica films

Wen, Y. C., Guol, S. H., Chen, H. P., Sheu, J. K. & Sun, C. K., 2011 Aug 1, In : Applied Physics Letters. 99, 5, 051913.

Research output: Contribution to journalArticle

17 Citations (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 Jan 1, In : Journal of the Electrochemical Society. 161, 9

Research output: Contribution to journalArticle

13 Citations (Scopus)

Gallium nitride-based light-emitting diodes with embedded air voids grown on Ar-implanted AlN/sapphire substrate

Sheu, J. K., Tu, S. J., Yeh, Y. H., Lee, M. L. & Lai, W. C., 2012 Oct 8, In : Applied Physics Letters. 101, 15, 151103.

Research output: Contribution to journalArticle

11 Citations (Scopus)

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 Jan 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).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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 Jan 1, In : IEEE Photonics Journal. 9, 3, 7201707.

Research output: Contribution to journalArticle

4 Citations (Scopus)

GaN-based dual color LEDs with P-type insertion layer for balancing two-color intensities

Chi, K. L., Yeh, S. T., Yeh, Y. H., Lin, K. Y., Shi, J. W., Wu, Y. R. & Sheu, J-K., 2013 Jan 1, 2013 Conference on Lasers and Electro-Optics, CLEO 2013. IEEE Computer Society, 6833057. (2013 Conference on Lasers and Electro-Optics, CLEO 2013).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

GaN-based dual color LEDs with P-type insertion layer for balancing two-color intensities

Chi, K. L., Yeh, S. T., Yeh, Y. H., Lin, K. Y., Shi, J. W., Wu, Y. R. & Sheu, J-K., 2013 Nov 18, CLEO: Science and Innovations, CLEO_SI 2013. (CLEO: Science and Innovations, CLEO_SI 2013).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

GaN-based dual-color LEDs with p-type insertion layer for controlling the ratio of two-color intensities

Chi, K. L., Yeh, S. T., Yeh, Y. H., Lin, K. Y., Shi, J. W., Wu, Y. R., Lee, M. L. & Sheu, J. K., 2013 Jul 29, In : IEEE Transactions on Electron Devices. 60, 9, p. 2821-2826 6 p., 6565358.

Research output: Contribution to journalArticle

6 Citations (Scopus)

GaN-based light-emitting diodes with air gap array and patterned sapphire substrate

Lai, W-C., Yang, Y. Y., Chen, Y. H. & Sheu, J-K., 2011 Aug 19, In : IEEE Photonics Technology Letters. 23, 17, p. 1207-1209 3 p., 5783297.

Research output: Contribution to journalArticle

2 Citations (Scopus)

GaN-based light emitting diodes with micro- and nano-patterned structures by femtosecond laser nonlinear decomposition

Chen, J. T., Lai, W. C., Chang, Y. C., Sheu, J. K. & Sen, W. C., 2012 Sep 24, In : Applied Physics Letters. 101, 13, 131103.

Research output: Contribution to journalArticle

12 Citations (Scopus)

GaN-based miniaturized cyan light-emitting diodes on a patterned sapphire substrate with improved fiber coupling for very high-speed plastic optical fiber communication

Wun, J. M., Lin, C. W., Chen, W., Sheu, J. K., Lin, C. L., Li, Y. L., Bowers, J. E., Shi, J. W., Vinogradov, J., Kruglov, R. & Ziemann, O., 2012 Aug 30, In : IEEE Photonics Journal. 4, 5, p. 1520-1529 10 p., 6255750.

Research output: Contribution to journalArticle

36 Citations (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 Apr 6, In : Optics Express. 23, 7, p. A371-A381

Research output: Contribution to journalArticle

5 Citations (Scopus)

GaN-based planar p-i-n photodetectors with the be-implanted isolation ring

Hou, J. L., Chang, S-J., Chen, M. C., Liu, C. H., Hsueh, T. J., Sheu, J-K. & Li, S., 2013 Feb 1, In : IEEE Transactions on Electron Devices. 60, 3, p. 1178-1182 5 p., 6423883.

Research output: Contribution to journalArticle

12 Citations (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 Mar 1, In : IEEE Transactions on Electron Devices. 63, 3, p. 1122-1127 6 p., 7395353.

Research output: Contribution to journalArticle

2 Citations (Scopus)

GaN intermediate band solar cells with Mn-doped absorption layer

Lee, M. L., Huang, F. W., Chen, P. C. & Sheu, J. K., 2018 Dec 1, In : Scientific reports. 8, 1, 8641.

Research output: Contribution to journalArticle

5 Citations (Scopus)

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 Nov 20, In : ACS Photonics. 6, 11, p. 2894-2901 8 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

High-performance GaN metal-insulator-semiconductor ultraviolet photodetectors using gallium oxide as gate layer

Lee, M. L., Mue, T. S., Huang, F. W., Yang, J. H. & Sheu, J. K., 2011 Jun 20, In : Optics Express. 19, 13, p. 12658-12663 6 p.

Research output: Contribution to journalArticle

27 Citations (Scopus)