Femtosecond three-pulse photon echo and population grating studies of the optical properties of CdTe/ZnSe quantum dots

2002 ◽  
Vol 81 (10) ◽  
pp. 1806-1808 ◽  
Author(s):  
Lap Van Dao ◽  
Martin Lowe ◽  
Peter Hannaford ◽  
Hisao Makino ◽  
Toshiaki Takai ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Optical Properties ◽  
Photon Echo ◽  
Pulse Photon

Three-Pulse Photon Echo Peak Shift Measurements of Capped CdSe Quantum Dots

2009 ◽  
Vol 114 (1) ◽  
pp. 82-88 ◽  
Author(s):  
Lachlan J. McKimmie ◽  
Craig N. Lincoln ◽  
Jacek Jasieniak ◽  
Trevor A. Smith
Keyword(s):  
Quantum Dots ◽  
Photon Echo ◽  
Peak Shift ◽  
Cdse Quantum Dots ◽  
Pulse Photon ◽  
Photon Echo Peak Shift

scholarly journals Three-pulse photon echo induced by the optical transition of excitons in core–shell CdSe/ZnS nanocrystal quantum dots

2011 ◽  
Vol 34 (1) ◽  
pp. 36-41 ◽  
Author(s):  
Shaohua Gong ◽  
Guotao Yang ◽  
Dongmei Ban ◽  
Jun Fu ◽  
Yunliang Fu
Keyword(s):  
Quantum Dots ◽  
Optical Transition ◽  
Photon Echo ◽  
Core Shell ◽  
Pulse Photon ◽  
Nanocrystal Quantum Dots

scholarly journals Accurate photon echo timing by optical freezing of exciton dephasing and rephasing in quantum dots

2020 ◽  
Vol 3 (1) ◽  
Author(s):  
Alexander N. Kosarev ◽  
Hendrik Rose ◽  
Sergey V. Poltavtsev ◽  
Matthias Reichelt ◽  
Christian Schneider ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Complete Information ◽  
Laser Pulses ◽  
Photon Echo ◽  
Appearance Time ◽  
Emission Time ◽  
Pulse Photon ◽  
Resonant Control ◽  
Exciton Dephasing ◽  
Coherent Manipulation

AbstractSemiconductor quantum dots are excellent candidates for ultrafast coherent manipulation of qubits by laser pulses on picosecond timescales or even faster. In inhomogeneous ensembles a macroscopic optical polarization decays rapidly due to dephasing, which, however, is reversible in photon echoes carrying complete information about the coherent ensemble dynamics. Control of the echo emission time is mandatory for applications. Here, we propose a concept to reach this goal. In a two-pulse photon echo sequence, we apply an additional resonant control pulse with multiple of 2π area. Depending on its arrival time, the control slows down dephasing or rephasing of the exciton ensemble during its action. We demonstrate for self-assembled (In,Ga)As quantum dots that the photon echo emission time can be retarded or advanced by up to 5 ps relative to its nominal appearance time without control. This versatile protocol may be used to obtain significantly longer temporal shifts for suitably tailored control pulses.

Synthesis, Characterization and Optical Properties of CdSe and ZnSe Quantum Dots

2017 ◽  
Vol 7 (1) ◽  
pp. 73-79 ◽  
Author(s):  
Deepak Kumar Gupta ◽  
Mahesh Verma ◽  
Dinesh Patidar ◽  
Kananbala Sharma ◽  
N.S. Saxena
Keyword(s):  
Quantum Dots ◽  
Optical Properties

Investigation of the Surface Passivation Effect on the Optical Properties of CsPbBr3 Perovskite Quantum Dots

2021 ◽  
Vol 23 ◽  
pp. 100948
Author(s):  
Saif M.H. Qaid ◽  
Hamid M. Ghaithan ◽  
Bandar Ali Al-Asbahi ◽  
Abdullah S. Aldwayyan
Keyword(s):  
Quantum Dots ◽  
Optical Properties ◽  
Surface Passivation ◽  
Perovskite Quantum Dots
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