Zobrazeno 1 - 10
of 352
pro vyhledávání: '"Seoung Hwan Park"'
Publikováno v:
Scientific Reports, Vol 10, Iss 1, Pp 1-9 (2020)
Abstract Optical polarization is an indispensable component in photonic applications, the orthogonality of which extends the degree of freedom of information, and strongly polarized and highly efficient small-size emitters are essential for compact p
Externí odkaz:
https://doaj.org/article/3191cbf417014a689011c43da35e2687
Publikováno v:
Advances in Condensed Matter Physics, Vol 2022 (2022)
Electronic and optical properties of type-II InGaN/GaNSb/GaN quantum-well (QW) structures are investigated by using the multiband effective mass theory for potential applications in red light-emitting diodes. The heavy-hole effective mass around the
Externí odkaz:
https://doaj.org/article/87f0a14b77a64d5a8fda6493d00356bf
Publikováno v:
Journal of the Korean Physical Society. 81:45-48
Optical characteristics of type-II ZnTe/ZnSe quantum dots for visible wavelength device applications
Autor:
Woo-Pyo Hong, Seoung-Hwan Park
Publikováno v:
Journal of the Korean Physical Society. 80:1-4
Publikováno v:
Journal of the Korean Physical Society. 80:63-67
Autor:
Seoung-Hwan Park, Doyeol Ahn
Optical properties of epitaxial quantum dots are of considerable interest for high efficiency opto-electronic devices and room-temperature quantum light sources. In this work, the general crystal orientation effects on the spontaneous emission peak o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d6122027ab400c0677ae8f5c3b71bc91
https://doi.org/10.21203/rs.3.rs-1860375/v1
https://doi.org/10.21203/rs.3.rs-1860375/v1
Autor:
Seoung-Hwan Park, Yong-Tae Moon
Publikováno v:
IEEE Photonics Journal, Vol 6, Iss 5, Pp 1-9 (2014)
The temperature droop characteristics of internal efficiency (IE) in InGaN/GaN quantum well (QW) structures were investigated using the multiband effective mass theory. In the case of a relatively small Auger recombination (A = 5 × 10-30 cm6s), the
Externí odkaz:
https://doaj.org/article/991c605c2b444c94973ea6f7b91f7850
Publikováno v:
Journal of the Korean Physical Society. 79:87-94
The effects of lattice-mismatched strain on the optical properties of type-I core/shell quantum dot nanostructures are investigated theoretically using the simple continuum elasticity and the effective mass quantum mechanics models. The misfit strain
Autor:
Seoung-Hwan Park, Doyeol Ahn
Publikováno v:
Physica E: Low-dimensional Systems and Nanostructures. 150:115706
Publikováno v:
Science of Advanced Materials. 13:1983-1985
In this study, the recombination rate and internal field efficiency of staggered InGaN/GaN quantum well lightemitting diodes with left and right steps were investigated using the multiband effective mass theory. The left step quantum well structure s