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Low-Threshold Stimulated Emission Using Colloidal Quantum Wells
Open accessAbstract
The use of colloidal semiconductor nanocrystals for optical amplification and lasing has been limited by the need for high input power densities. Here we show that colloidal nanoplatelets produce amplified spontaneous emission with thresholds as low as 6 μJ/cm(2) and gain as high as 600 cm(-1), both a significant improvement over colloidal nanocrystals; in addition, gain saturation occurs at pump fluences 2 orders of magnitude higher than the threshold. We attribute this exceptional performance to large optical cross-sections, slow Auger recombination rates, and narrow ensemble emission line widths.
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Cited by
Yakunin, S., Protesescu, L., Krieg, F., Bodnarchuk, M. I., Nedelcu, G., Humer, M., De Luca, G., Fiebig, M., Heiss, W., & Kovalenko, M. V. (2015) · Nature Communications · doi:10.1038/ncomms9056 · Cited by 1,633
Continuous-wave biexciton lasing at room temperature using solution-processed quantum wells
Grim, J. Q., Christodoulou, S., Di Stasio, F., Krahne, R., Cingolani, R., Manna, L., & Moreels, I. (2014) · Nature Nanotechnology · doi:10.1038/nnano.2014.213 · Cited by 532
Amplified Spontaneous Emission and Lasing in Colloidal Nanoplatelets
Guzelturk, B., Kelestemur, Y., Olutas, M., Delikanli, S., & Demir, H. V. (2014) · ACS Nano · doi:10.1021/nn5022296 · Cited by 384
Rowland, C. E., Fedin, I., Zhang, H., Gray, S. K., Govorov, A. O., Talapin, D. V., & Schaller, R. D. (2015) · Nature Materials · doi:10.1038/nmat4231 · Cited by 288
Self-citationOn‐Chip Integrated Quantum‐Dot–Silicon‐Nitride Microdisk Lasers
Xie, W., Stöferle, T., Rainò, G., Aubert, T., Bisschop, S., Zhu, Y., Mahrt, R. F., Geiregat, P., Brainis, E., Hens, Z., et al. (2017) · Advanced Materials · doi:10.1002/adma.201604866 · Cited by 107
Metadata
- Authors
- She, C., Fedin, I., Dolzhnikov, D. S., Demortière, A., Schaller, R. D., Pelton, M., & Talapin, D. V.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2014-05-02
- Volume
- 14
- Issue
- 5
- Pages
- 2772-2777
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2049280640
- Cited by
- 399
- References
- 0
- FWCI
- 20.55
- Type
- journal article
- Language
- en
- Open access
- green
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- She, C., Fedin, I., Dolzhnikov, D. S., Demortière, A., Schaller, R. D., Pelton, M., & Talapin, D. V. (2014). Low-Threshold Stimulated Emission Using Colloidal Quantum Wells. Nano Letters. https://doi.org/10.1021/nl500775p
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