Yiyu Ou

Yiyu Ou

Postdoc

DTU FOTONIK
Department of Photonics Engineering

Diode Lasers and LED Systems

Technical University of Denmark

Ørsteds Plads

Building 345A, room 079

2800 Kgs. Lyngby

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2018
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Efficiency enhancement of InGaN amber MQWs using nanopillar structures

Ou, Yiyu ; Iida, Daisuke ; Liu, Jin ; Wu, Kaiyu ; Ohkawa, Kazuhiro ; Boisen, Anja ; Petersen, Paul Michael ; Ou, Haiyan
in journal: Nanophotonics (ISSN: 2192-8606) (DOI: http://dx.doi.org/10.1515/nanoph-2017-0057), vol: 7, issue: 1, pages: 317-322, 2018

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: http://dx.doi.org/10.1515/nanoph-2017-0057

2017
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Time-Efficient High-Resolution Large-Area Nano-Patterning of Silicon Dioxide

Lin, Li ; Ou, Yiyu ; Aagesen, Martin ; Jensen, Flemming ; Herstrøm, Berit ; Ou, Haiyan
in journal: Micromachines (ISSN: 2072-666X) (DOI: http://dx.doi.org/10.3390/mi8010013), vol: 8, issue: 1, 2017

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: http://dx.doi.org/10.3390/mi8010013

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Effective optimization of surface passivation on porous silicon carbide using atomic layer deposited Al2O3

Lu, Weifang ; Iwasa, Yoshimi ; Ou, Yiyu ; Jinno, Daiki ; Kamiyama, Satoshi ; Petersen, Paul Michael ; Ou, Haiyan
in journal: RSC Advances (ISSN: 2046-2069) (DOI: http://dx.doi.org/10.1039/c6ra27281a), vol: 7, pages: 8090–8097, 2017

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: http://dx.doi.org/10.1039/c6ra27281a

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White light emission from fluorescent SiC with porous surface

Lu, Weifang ; Ou, Yiyu ; Fiordaliso, Elisabetta Maria ; Iwasa, Yoshimi ; Jokubavicius, Valdas ; Syväjärvi, Mikael ; Kamiyama, Satoshi ; Petersen, Paul Michael ; Ou, Haiyan
in journal: Scientific Reports (ISSN: 2045-2322) (DOI: http://dx.doi.org/10.1038/s41598-017-10771-7), vol: 7, issue: 9798, 2017

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: http://dx.doi.org/10.1038/s41598-017-10771-7

2016
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Enhanced Emission Efficiency of Size-Controlled InGaN/GaN Green Nanopillar Light-Emitting Diodes

Ou, Yiyu ; Iida, Daisuke ; Fadil, Ahmed ; Ou, Haiyan
in journal: International Journal of Optics and Photonic Engineering, vol: 1, issue: 1, 2016

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016

 

Influence of near-field coupling from Ag surface plasmons on InGaN/GaN quantum-well photoluminescence

Fadil, Ahmed ; Iida, Daisuke ; Chen, Yuntian ; Ou, Yiyu ; Kamiyama, Satoshi ; Ou, Haiyan
in journal: Journal of Luminescence (ISSN: 0022-2313) (DOI: http://dx.doi.org/10.1016/j.jlumin.2016.03.001), vol: 175, pages: 213–216, 2016

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: http://dx.doi.org/10.1016/j.jlumin.2016.03.001

 

Hybrid surface structures for efficiency enhancement of fluorescent SiC for white LED application

Ou, Yiyu (Invited author) ; Xiong, Meng (Invited author) ; Lu, Weifang (Invited author) ; Fadil, Ahmed (Invited author) ; Jokubavicius, Valdas (Invited author) ; Syväjärvi, Mikael (Invited author) ; Petersen, Paul Michael (Invited author) ; Ou, Haiyan (Invited author)
Presented at:
4th International workshop on LEDs and solar applications, 2016, Nagoya

Type: Paper (Peer reviewed)     |     Invited contribution

Status: Published     |    Year: 2016

 

Passivation of surface-nanostructured f-SiC and porous SiC

Ou, Haiyan (Invited author) ; Lu, Weifang (Invited author) ; Ou, Yiyu (Invited author) ; Jokubavicius, Valdas (Invited author) ; Syväjärvi, Mikael (Invited author) ; Schuh, Philipp (Invited author) ; Wellmann, Peter (Invited author) ; Iwasa, Yoshimi (Invited author)
Presented at:
4th International workshop on LEDs and solar applications, 2016, Nagoya

Type: Paper (Peer reviewed)     |     Invited contribution

Status: Published     |    Year: 2016

 

Electrically driven surface plasmon light-emitting diodes

Fadil, Ahmed (Invited author) ; Ou, Yiyu (Invited author) ; Iida, Daisuke (Invited author) ; Kopylov, Oleksii (Invited author) ; Ou, Haiyan (Invited author)
Presented at:
4th International workshop on LEDs and solar applications, 2016, Nagoya

Type: Paper (Peer reviewed)     |     Invited contribution

Status: Published     |    Year: 2016

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Fabrication and surface passivation of porous 6H-SiC by atomic layer deposited films

Lu, Weifang ; Ou, Yiyu ; Petersen, Paul Michael ; Ou, Haiyan
in journal: Optical Materials Express (ISSN: 2159-3930) (DOI: http://dx.doi.org/10.1364/OME.6.001956), vol: 6, issue: 6, pages: 1956-1963, 2016

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: http://dx.doi.org/10.1364/OME.6.001956