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Wavelength Tunable Triggered Single-Photon Source from a Single CdTe Quantum Dot on Silicon Substrate
- Authors
- Benyoucef, Mohamed; Lee, Hong Seok; Gabel, Juliane; Kim, Tae Whan; Park, Hong Lee; Rastelli, Armando; Schmidt, Oliver G.
- Issue Date
- Jan-2009
- Publisher
- AMER CHEMICAL SOC
- Citation
- NANO LETTERS, v.9, no.1, pp.304 - 307
- Indexed
- SCIE
SCOPUS
- Journal Title
- NANO LETTERS
- Volume
- 9
- Number
- 1
- Start Page
- 304
- End Page
- 307
- ISSN
- 1530-6984
- Abstract
- Triggered single-photon emission from a single CdTe quantum dot (QD) grown on Si(001) substrate is demonstrated for the first time. The emission wavelength of QDs can be tuned in a wide spectral range (more than 8 meV) using a focused laser beam. A nearly perfect single-photon emission from the exciton lines is preserved even after energy tuning. The lifetime is also measured before and after laser processing, and no appreciable change is observed.
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