Zobrazeno 1 - 10 of 110 pro vyhledávání: '"Pieter Geiregat"'
1
Akademický článek
A silicon photonics waveguide-coupled colloidal quantum dot photodiode sensitive beyond 1.6 µm
Autor: Chao Pang, Yu-hao Deng, Ezat Kheradmand, Luis Moreno Hagelsieb, Yujie Guo, David Cheyns, Pieter Geiregat, Zeger Hens, Dries Van Thourhout
Publikováno v: APL Photonics, Vol 9, Iss 6, Pp 066113-066113-12 (2024)
Silicon photonics faces a persistent challenge in extending photodetection capabilities beyond the 1.6 µm wavelength range, primarily due to the lack of appropriate epitaxial materials. Colloidal quantum dots present a promising solution here, offer
Externí odkaz: https://doaj.org/article/f2f1ddbcad8e4953b16bbe096aceee4b
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2
Akademický článek
Quantum dot lasing from a waterproof and stretchable polymer film
Autor: Mohammad Mohammadimasoudi, Pieter Geiregat, Frederik Van Acker, Jeroen Beeckman, Zeger Hens, Tangi Aubert, Kristiaan Neyts
Publikováno v: Light: Science & Applications, Vol 11, Iss 1, Pp 1-9 (2022)
A quantum dot layer between two chiral liquid crystal mirrors forms a flexible foil that can emit laser light, also when immersed in water.
Externí odkaz: https://doaj.org/article/d9df36d0bab34fd2b4f2f43c185c2814
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3
Akademický článek
Localization-limited exciton oscillator strength in colloidal CdSe nanoplatelets revealed by the optically induced stark effect
Autor: Pieter Geiregat, Carmelita Rodá, Ivo Tanghe, Shalini Singh, Alessio Di Giacomo, Delphine Lebrun, Gianluca Grimaldi, Jorick Maes, Dries Van Thourhout, Iwan Moreels, Arjan J. Houtepen, Zeger Hens
Publikováno v: Light: Science & Applications, Vol 10, Iss 1, Pp 1-11 (2021)
Abstract 2D materials are considered for applications that require strong light-matter interaction because of the apparently giant oscillator strength of the exciton transitions in the absorbance spectrum. Nevertheless, the effective oscillator stren
Externí odkaz: https://doaj.org/article/7521215a8c004f03822ca26d44e50a84
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4
Akademický článek
Sideband pump-probe technique resolves nonlinear modulation response of PbS/CdS quantum dots on a silicon nitride waveguide
Autor: Mirco Kolarczik, Christian Ulbrich, Pieter Geiregat, Yunpeng Zhu, Laxmi Kishore Sagar, Akshay Singh, Bastian Herzog, Alexander W. Achtstein, Xiaoqin Li, Dries van Thourhout, Zeger Hens, Nina Owschimikow, Ulrike Woggon
Publikováno v: APL Photonics, Vol 3, Iss 1, Pp 016101-016101-10 (2018)
For possible applications of colloidal nanocrystals in optoelectronics and nanophotonics, it is of high interest to study their response at low excitation intensity with high repetition rates, as switching energies in the pJ/bit to sub-pJ/bit range
Externí odkaz: https://doaj.org/article/d73749e08e6a4c788d41c5923a65c95d
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7
A roadmap to decipher ultrafast photophysics in two-dimensional nanomaterials
Autor: Pieter Schiettecatte, Zeger Hens, Pieter Geiregat
Publikováno v: JOURNAL OF CHEMICAL PHYSICS
Atomically thin two-dimensional (2D) semiconductors are extensively investigated for opto-electronic applications that require strong light-matter interactions. In view of such applications, it is essential to understand how (photo)excitation alters
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::92d01f1b6d8060bbe4d19f884d1a088f
https://hdl.handle.net/1854/LU-01GMZ41JKB97PDYYYWB8B8YSEY
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