Journal ArticleDOI
Surface plasmon coupling effect in an InGaN∕GaN single-quantum-well light-emitting diode
TLDR
In this article, the authors demonstrate the coupling effects between the quantum well and surface plasmon generated nearby on the p-type side in an InGaN∕GaN single-QW light-emitting diode (LED).Abstract:
The authors demonstrate the coupling effects between the quantum well (QW) and surface plasmon (SP) generated nearby on the p-type side in an InGaN∕GaN single-QW light-emitting diode (LED). The QW-SP coupling leads to the enhancement of the electroluminescence (EL) intensity in the LED sample designed for QW-SP coupling and reduced SP energy leakage, when compared to a LED sample of weak QW-SP coupling or significant SP energy loss. In the LED samples of significant QW-SP coupling, the blueshifts of the photoluminescence and EL emission spectra are observed, indicating one of the important features of such a coupling process. The device performance can be improved by using the n-type side for SP generation such that the device resistance can be reduced and the QW-SP coupling effect can be enhanced (by further decreasing the distance between the QW and metal) because of the higher carrier concentration in the n-type layer.read more
Citations
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Journal ArticleDOI
LEDs for Solid-State Lighting: Performance Challenges and Recent Advances
TL;DR: In this paper, the authors review LED performance targets that are needed to achieve these benefits and highlight some of the remaining technical challenges, and describe recent advances in LED materials and novel device concepts that show promise for realizing the full potential of LED-based white lighting.
Journal ArticleDOI
Enhancement of light extraction from light emitting diodes
TL;DR: In this paper, the authors reviewed approaches to enhanced light extraction grouped into two sets depending on whether their application results in the change in the spontaneous emission rate or the angular distribution, or both.
Journal ArticleDOI
Localized surface plasmon-induced emission enhancement of a green light-emitting diode.
TL;DR: It is confirmed that surface plasmon coupling for emission enhancement can be more effective for an InGaN/GaN QW of lower crystal quality, which normally corresponds to the emission of a longer wavelength.
Journal ArticleDOI
Light-emitting diodes enhanced by localized surface plasmon resonance
TL;DR: The prospect, including the potential to replace fluorescent/incandescent lighting devices as well as applications to flat panel displays and optoelectronics, and future challenges with regard to the design of metallic nanostructures and fabrication techniques are discussed.
References
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Journal ArticleDOI
Surface-Plasmon-Enhanced Light Emitters Based on InGaN Quantum Wells
Koichi Okamoto,Isamu Niki,Isamu Niki,Alexander Shvartser,Yukio Narukawa,Takashi Mukai,Axel Scherer +6 more
TL;DR: The results indicate that the use of SPs would lead to a new class of very bright LEDs, and highly efficient solid-state light sources.
Journal ArticleDOI
High performance thin-film flip-chip InGaN–GaN light-emitting diodes
Oleg B. Shchekin,John Edward Epler,Troy A. Trottier,Tal Margalith,Daniel A. Steigerwald,M.O. Holcomb,Paul S. Martin,Michael R. Krames +7 more
TL;DR: In this article, a combination of thin-film LED concept with flip-chip technology is shown to provide surface brightness and flux output advantages over conventional flip-chips and vertical-injection thinfilm LEDs.
Journal ArticleDOI
Enhancement of spontaneous recombination rate in a quantum well by resonant surface plasmon coupling
TL;DR: In this article, the recombination rate of spontaneous emission into the surface plasmon was as much as 92 times faster than spontaneous emission to free space, based on Fermi's golden rule.
Journal ArticleDOI
Surface plasmon enhanced spontaneous emission rate of InGaN∕GaN quantum wells probed by time-resolved photoluminescence spectroscopy
TL;DR: In this paper, a 32-fold increase in spontaneous emission rate of InGaN/GaN quantum well at 440 nm was observed by employing surface plasmons (SPs) probed by time-resolved photoluminescence spectroscopy.
Journal ArticleDOI
Practicable enhancement of spontaneous emission using surface plasmons
TL;DR: In this paper, the authors developed a rigorous theory of the enhancement of spontaneous emission from a light emitting device via coupling the radiant energy in and out of surface plasmon polaritons (SPPs) on the metal-dielectric interface.