Dr. Kai Chen Profile

Dr. Kai Chen

Postdoc at Victoria Univ of Wellington

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Author

Publications (4)

Proceedings Article | 12 March 2024 Presentation + Paper

Solution processed bulk colloidal nanocrystals as gain material in photonic crystal surface emitting lasers across the green-red spectrum

I. Tanghe, M. Samoli, I. Wagner, S. Cayan, A. Khan, K. Chen, J. Hodgkiss, I. Moreels, D. Van Thourhout, Z. Hens, P. Geiregat

Proceedings Volume 12864, 128640L (2024) https://doi.org/10.1117/12.2692651

KEYWORDS: Photonic crystals, Nanocrystals, Laser crystals, Cadmium sulfide, Polarization, Quantum confinement, Magnetism, Light scattering, Scattering, Quantum processing

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Proceedings Article | 8 March 2024 Presentation + Paper

Understanding the mechanisms behind optical gain in bulk solution processible semiconductors

I. Tanghe, M. Samoli, I. Wagner, S. Cayan, A. Khan, K. Chen, J. Hodgkiss, I. Moreels, D. Van Thourhout, Z. Hens, P. Geiregat

Proceedings Volume 12884, 128840C (2024) https://doi.org/10.1117/12.3000550

KEYWORDS: Cadmium sulfide, Semiconductors, Absorbance, Quantum confinement, Physics, Quantum processes, Absorption, Spectroscopy, Nanocrystals, Data modeling

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Proceedings Article | 1 August 2021 Presentation

Efficient energy transport in an organic semiconductor mediated by transient exciton delocalisation

Alexander Sneyd, Tomoya Fukui, David Paleček, Suryoday Prodhan, Isabella Wagner, Yifan Zhang, Jooyoung Sung, Sean Collins, Thomas Slater, Zahra Andaji-Garmaroudi, Liam MacFarlane, J. Diego Garcia-Hernandez, Linjun Wang, George Whittell, Justin Hodgkiss, Kai Chen, David Beljonne, Ian Manners, Richard Friend, Akshay Rao

Proceedings Volume 11799, 117990A (2021) https://doi.org/10.1117/12.2594688

KEYWORDS: Excitons, Nanofibers, Diffusion, Picosecond phenomena, Crystals, Diffraction, Absorption, Solar energy, Polarons, Polymers, Energy transfer, Organic semiconductors, Ultrafast imaging

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Proceedings Article | 5 October 2016 Presentation + Paper

Capturing ultrafast spectral evolution with transient grating photoluminescence spectroscopy

Kai Chen, Joseph Gallaher, Shyamal Prasad, James Webb, Pall Thordarson, Justin Hodgkiss

Proceedings Volume 9956, 99560V (2016) https://doi.org/10.1117/12.2236586

KEYWORDS: Luminescence, Spectroscopy, Ultrafast laser spectroscopy, Ultrafast phenomena, Energy transfer, Spectral resolution, Picosecond phenomena, Transient nonlinear optics, Chromophores, Polymers

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