Prof. Yuh-Jen Cheng Profile

Prof. Yuh-Jen Cheng

Associate Research Fellow at Research Ctr For Applied Sciences

SPIE Involvement:

Author

Proceedings Article | 3 October 2022 Presentation + Paper

Hyperbolic metamaterial resonator for enhancing UV laser emission

Kun-Ching Shen, Lung-Hsing Hsu, Din-Ping Tsai, Yuh-Jen Cheng

Proceedings Volume 12197, 1219708 (2022) https://doi.org/10.1117/12.2651308

KEYWORDS: Ultraviolet radiation, Metamaterials, Resonators, Plasmonic nanolaser, Quantum wells, Plasmonics, Laser resonators

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Proceedings Article | 11 October 2012 Paper

MOCVD growth of GaN nanopyramid and nanopillar LED with emission in green to orange color

Hao-Chung Kuo, Yuh-Jen Cheng

Proceedings Volume 8467, 84670C (2012) https://doi.org/10.1117/12.970434

KEYWORDS: Light emitting diodes, Gallium nitride, Quantum wells, Polarization, Scanning electron microscopy, Metalorganic chemical vapor deposition, Silica, Nanolithography, Crystals, Reactive ion etching

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Proceedings Article | 28 February 2012 Paper

Lasing action in gallium nitride photonic quasicrystal nanorod arrays

Shih-Pang Chang, Kuok-Pan Sou, Jet-Rung Chang, Yuh-Jen Cheng, Yuh-Jing Li, Yi-Chen Chen, Hao-Chung Kuo, Ken-Yuh Hsu, Chun-Yen Chang

Proceedings Volume 8262, 82620X (2012) https://doi.org/10.1117/12.908308

KEYWORDS: Gallium nitride, Scanning electron microscopy, Quantum wells, Nanolithography, Etching, Photonic nanostructures, Crystals, Optical pumping, Silica, Nanorods

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Proceedings Article | 6 February 2012 Paper

Low efficiency droop of InGaN/GaN blue LEDs with super-lattice active structure

Shih-Pang Chang, Kuok-Pan Sou, Jet-Rung Chang, Yuh-Jen Cheng, Yuh-Jing Li, Yi-Chen Chen, Hao-Chung Kuo, Ken-Yuh Hsu, Chun-Yen Chang

Proceedings Volume 8278, 82781A (2012) https://doi.org/10.1117/12.908121

KEYWORDS: Gallium nitride, Light emitting diodes, Superlattices, Quantum efficiency, Blue light emitting diodes, Stereolithography, Atomic force microscopy, Quantum wells, Luminescence, Crystals

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Proceedings Article | 6 February 2012 Paper

Electrically driven nanoarrow array green LED

J.-R. Chang, S.-P. Chang, Y.-C. Chen, K.-P. Sou, Y.J. Cheng, H.-C. Kuo, C.-Y. Chang

Proceedings Volume 8278, 827815 (2012) https://doi.org/10.1117/12.907749

KEYWORDS: Light emitting diodes, Gallium nitride, Green light emitting diodes, Scanning electron microscopy, Nanolithography, Glasses, Etching, Quantum wells, Reactive ion etching, Time metrology

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Proceedings Article | 4 March 2011 Paper

Fabrication and lasing characteristics of GaN nanopillars

Ming-Hua Lo, Yuh-Jen Cheng, Hao-Chung Kuo, Shing-Chung Wang

Proceedings Volume 7939, 79391T (2011) https://doi.org/10.1117/12.874151

KEYWORDS: Gallium nitride, Excitons, Nanolithography, Crystals, Nickel, Etching, Thin films, Plasma, Metalorganic chemical vapor deposition, Nanowires

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Proceedings Article | 17 March 2010 Paper

Output power enhancement of light-emitting diodes with defect passivation layer

Ming-Hua Lo, Po-Min Tu, Yuh-Jen Cheng, Chao-Hsun Wang, Cheng-Wei Hung, Shih-Chieh Hsu, Hao-Chung Kuo, Hsiao-Wen Zan, Shing-Chung Wang, Chun-Yen Chang, Che-Ming Liu

Proceedings Volume 7602, 76021X (2010) https://doi.org/10.1117/12.841513

KEYWORDS: Etching, Silica, Light emitting diodes, Gallium nitride, Optical lithography, Scanning electron microscopy, Transmission electron microscopy, Chemical mechanical planarization, Crystals, Photomasks

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Proceedings Article | 18 November 2008 Paper

Epitaxial Lateral Overgrowth of GaN-based Light Emitting Diodes on SiO2 Nanorod-Array Patterned Sapphire Substrates by MOCVD

C. Chiu, C. Chao, M. Lo, Y. Cheng, H. Kuo, P. Yu, T. Lu, S. Wang, K. Lau

Proceedings Volume 7135, 71351Z (2008) https://doi.org/10.1117/12.804291

KEYWORDS: Light emitting diodes, Silica, Gallium nitride, Sapphire, Epitaxial lateral overgrowth, Metalorganic chemical vapor deposition, Patterned sapphire substrate, External quantum efficiency, Nickel, Nanorods

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Proceedings Article | 29 January 2008 Paper

Abnormal PL spectrum in InGaN MQW surface emitting cavity

J. T. Chu, Y.-J. Cheng, H. C. Kuo, T. C. Lu, S. C. Wang

Proceedings Volume 6908, 69080L (2008) https://doi.org/10.1117/12.762869

KEYWORDS: Quantum wells, Gallium nitride, Indium gallium nitride, Optical microcavities, Helium cadmium lasers, Sapphire, Dielectrics, Metalorganic chemical vapor deposition, Continuous wave operation, Vertical cavity surface emitting lasers

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Showing 5 of 9 publications

Conference Committee Involvement (3)

Passive Components and Fiber-based Devices V

27 October 2008 | Hangzhou, China

Passive Components and Fiber-Based Devices

2 November 2007 | Wuhan, China

Passive Components and Fiber-based Devices III

5 September 2006 | Gwangju, South Korea

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