Spectral competition of chirped dual-wavelength emission in monolithic InGaN multiple-quantum well light-emitting diodes

Tsun Hsin Wang; Yen Kuang Kuo

doi:10.1063/1.4803942

Spectral competition of chirped dual-wavelength emission in monolithic InGaN multiple-quantum well light-emitting diodes

Tsun Hsin Wang, Yen Kuang Kuo

Department of Physics

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

In this work, spectral competition of chirped dual-wavelength emission in monolithic InGaN multiple-quantum well (MQW) light-emitting diodes (LEDs) is studied numerically. In addition to the crystalline quality that is generally desired for good LED performance, the simulation results show that effective suppression of piezoelectric polarization is another key issue toward the realization of efficient monolithic dual-wavelength emission in InGaN MQW LEDs. With appropriately tailored configuration of MQW active region, the detrimental effects of hetero-interfaces and polarization charges are diminished and thereby balanced dual-wavelength emission can be achieved.

Original language	English
Article number	171112
Journal	Applied Physics Letters
Volume	102
Issue number	17
DOIs	https://doi.org/10.1063/1.4803942
Publication status	Published - 2013 Apr 29

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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abstract = "In this work, spectral competition of chirped dual-wavelength emission in monolithic InGaN multiple-quantum well (MQW) light-emitting diodes (LEDs) is studied numerically. In addition to the crystalline quality that is generally desired for good LED performance, the simulation results show that effective suppression of piezoelectric polarization is another key issue toward the realization of efficient monolithic dual-wavelength emission in InGaN MQW LEDs. With appropriately tailored configuration of MQW active region, the detrimental effects of hetero-interfaces and polarization charges are diminished and thereby balanced dual-wavelength emission can be achieved.",

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AB - In this work, spectral competition of chirped dual-wavelength emission in monolithic InGaN multiple-quantum well (MQW) light-emitting diodes (LEDs) is studied numerically. In addition to the crystalline quality that is generally desired for good LED performance, the simulation results show that effective suppression of piezoelectric polarization is another key issue toward the realization of efficient monolithic dual-wavelength emission in InGaN MQW LEDs. With appropriately tailored configuration of MQW active region, the detrimental effects of hetero-interfaces and polarization charges are diminished and thereby balanced dual-wavelength emission can be achieved.

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