Výsledky vyhledávání - "Steven Tarasek"

Phase-matching-free intracavity second harmonic generation from a WSe2 monolayer in a passively mode-locked picosecond fiber laser

Autor: Guangpeng Xu, Jeffrey Carvalho, Chiran Wijesundara, Muhammed Kilinc, Alec Cheney, Christian Neureuter, Steven Tarasek, Tim Thomay

Publikováno v: Optica Advanced Photonics Congress 2022.

Phase-matching-free SHG is observed from a monolayer WSe2 placed in a Yb3+ doped picosecond fiber oscillator. The mode-locking and laser output of the fiber oscillator are unaffected. This enables applications in self-referencing f-2f frequency combs

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9171d009396a0ed7fed69d6d510ccdd1
https://doi.org/10.1364/np.2022.npth2f.1

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CdSe/CdMnS nanoplatelets with bilayer core and magnetically doped shell exhibit switchable excitonic circular polarization: Implications for lasers and light-emitting diodes

Autor: Peiyao Zhang, Athos Petrou, Nima Taghipour, Arinjoy Bhattacharya, Sushant Shendre, Tenzin Norden, Arman Najafi, Tim Thomay, Savas Delikanli, Manoj K. Sharma, Steven Tarasek, James Pientka, Hilmi Volkan Demir

Publikováno v: ACS Applied Nano Materials

We utilized time-resolved photoluminescence (TRPL) spectroscopy to study the excitonic circular polarization (PX) from CdSe/CdMnS core/shell nanoplatelets (NPLs) with a bilayer core. This allows an extensive study of the emission dynamics as a functi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ebe53547119e21de4dc6e5da4c643cf8
https://hdl.handle.net/11693/55093

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Coulomb-induced recombination dynamics in magnetically doped type-IIb quantum dots

Autor: Alexander N. Cartwright, Steven Tarasek, Tim Thomay, Wu-Ching Chou, W. C. Fan

Publikováno v: Quantum Dots and Nanostructures: Growth, Characterization, and Modeling XVI.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e1174c6bbf919b036dab32242fc421df
https://doi.org/10.1117/12.2507292

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Excitation power dependent Coulomb induced recombination dynamics in magnetically doped type-II quantum dots

Autor: Wu-Ching Chou, W. C. Fan, Tim Thomay, Steven Tarasek

Publikováno v: Nano Express. 1:010024

We observe that the wavefunction overlap of the carriers in type-II quantum dots (QDs) can be controlled by magnetic doping and strongly depends on the excitation power density. We study two different II-VI magnetic systems; ZnTe/(Zn, Mn)Se QDs with

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c0f026338150b9285d127ac9f7b40d55
https://doi.org/10.1088/2632-959x/ab86d9

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