We report the first direct extinction measurement of a single quantum emitter at ambient condition. Thereby, we observe a significant reduction of the extinction cross section upon photobleaching while it remains unchanged during fluorescence blinking.
© 2008 Optical Society of America
P. Kukura, M. Celebrano, A. Renn, and V. Sandoghdar, "Room Temperature Extinction Detection and Study of Individual CdSe Quantum Dots," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optical Society of America, 2008), paper QPDB8.
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