Enhanced random lasing from distributed Bragg reflector assisted Au-ZnO nanowire Schottky diode

Bashar, Sunayna B.; Suja, Mohammad; Shi, Wenhao; Liu, Jianlin

doi:10.1063/1.4967177

Title: Enhanced random lasing from distributed Bragg reflector assisted Au-ZnO nanowire Schottky diode

Abstract

Here, an electrically pumped ultraviolet random laser based on an Au-ZnO nanowire Schottky junction on top of a SiO₂/SiN_x distributed Bragg reflector (DBR) has been fabricated. Electrical characterization shows typical Schottky diode current-voltage characteristics. Evident random lasing behavior is observed from electroluminescence measurement at room temperature. In comparison with a reference device having similar nanowire morphology but no DBR, this laser demonstrates almost 1.8 times reduction in threshold current and 4 times enhancement in output power. The performance enhancement originates from the incorporation of the DBR structure, which provides high reflectivity in the designed wavelength range.

Authors:

Bashar, Sunayna B. ^[1];

^[1]; Shi, Wenhao ^[1]; Liu, Jianlin ^[1]

Univ. of California, Riverside, CA (United States). Dept. of Electrical and Computer Engineering

Publication Date:: Mon Nov 07 00:00:00 EST 2016

Research Org.:: Energy Frontier Research Centers (EFRC) (United States). Spins and Heat in Nanoscale Electronic Systems (SHINES); Univ. of California, Riverside, CA (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

OSTI Identifier:: 1473877

Alternate Identifier(s):: OSTI ID: 1331024

Grant/Contract Number:: SC0012670

Resource Type:: Accepted Manuscript

Journal Name:: Applied Physics Letters

Additional Journal Information:: Journal Volume: 109; Journal Issue: 19; Journal ID: ISSN 0003-6951

Publisher:: American Institute of Physics (AIP)

Country of Publication:: United States

Language:: English

Subject:: 42 ENGINEERING; 77 NANOSCIENCE AND NANOTECHNOLOGY; fiber-optic devices; I-V characteristics; electroluminescence; electrical characterization; metal oxides; Schottky diodes; transition metals; nanowires; lasers; excitons

Citation Formats


                    Bashar, Sunayna B., Suja, Mohammad, Shi, Wenhao, and Liu, Jianlin. Enhanced random lasing from distributed Bragg reflector assisted Au-ZnO nanowire Schottky diode.  United States: N. p., 2016. 
Web.  doi:10.1063/1.4967177.

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                    Bashar, Sunayna B., Suja, Mohammad, Shi, Wenhao, & Liu, Jianlin. Enhanced random lasing from distributed Bragg reflector assisted Au-ZnO nanowire Schottky diode.  United States.  https://doi.org/10.1063/1.4967177

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                    Bashar, Sunayna B., Suja, Mohammad, Shi, Wenhao, and Liu, Jianlin. Mon .  
"Enhanced random lasing from distributed Bragg reflector assisted Au-ZnO nanowire Schottky diode".  United States.  https://doi.org/10.1063/1.4967177.  https://www.osti.gov/servlets/purl/1473877.

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@article{osti_1473877,

  title        = {Enhanced random lasing from distributed Bragg reflector assisted Au-ZnO nanowire Schottky diode},

  author       = {Bashar, Sunayna B. and Suja, Mohammad and Shi, Wenhao and Liu, Jianlin},

  abstractNote = {Here, an electrically pumped ultraviolet random laser based on an Au-ZnO nanowire Schottky junction on top of a SiO2/SiNx distributed Bragg reflector (DBR) has been fabricated. Electrical characterization shows typical Schottky diode current-voltage characteristics. Evident random lasing behavior is observed from electroluminescence measurement at room temperature. In comparison with a reference device having similar nanowire morphology but no DBR, this laser demonstrates almost 1.8 times reduction in threshold current and 4 times enhancement in output power. The performance enhancement originates from the incorporation of the DBR structure, which provides high reflectivity in the designed wavelength range.},

  doi          = {10.1063/1.4967177},

  journal      = {Applied Physics Letters},

  number       = 19,

  volume       = 109,

  place        = {United States},

  year         = {Mon Nov 07 00:00:00 EST 2016},

  month        = {Mon Nov 07 00:00:00 EST 2016}

}

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Title: Enhanced random lasing from distributed Bragg reflector assisted Au-ZnO nanowire Schottky diode

Abstract

Citation Formats

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Controlled growth of ZnO pyramid arrays with nanorods and their field emission properties
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Directional and controllable edge-emitting ZnO ultraviolet random laser diodes
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Speckle-free laser imaging using random laser illumination
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