Colloidal quantum-dot-based silica gel glass: two-photon absorption, emission, and quenching mechanism

Nanoscale ◽  
2016 ◽  
Vol 8 (36) ◽  
pp. 16440-16448 ◽  
Author(s):  
Jingzhou Li ◽  
Hongxing Dong ◽  
Saifeng Zhang ◽  
Yunfei Ma ◽  
Jun Wang ◽  
...  
Keyword(s):  
Quantum Dot ◽  
Silica Gel ◽  
Photon Absorption ◽  
Quenching Mechanism ◽  
Two Photon Absorption ◽  
Two Photon ◽  
Colloidal Quantum Dot

Evidence of two-photon absorption in strain-free quantum dot GaAs/AlGaAs solar cells

2013 ◽  
Vol 7 (3) ◽  
pp. 173-176 ◽  
Author(s):  
Andrea Scaccabarozzi ◽  
Silvia Adorno ◽  
Sergio Bietti ◽  
Maurizio Acciarri ◽  
Stefano Sanguinetti
Keyword(s):  
Solar Cells ◽  
Quantum Dot ◽  
Photon Absorption ◽  
Two Photon Absorption ◽  
Two Photon

Plasmon–exciton interaction strongly increases the efficiency of a quantum dot–based near-infrared photodetector operating in the two-photon absorption mode under normal conditions.

Nanoscale ◽  
2021 ◽  
Author(s):  
Victor A. Krivenkov ◽  
Pavel Samokhvalov ◽  
Ivan Vasil’evskii ◽  
Nikolai Kargin ◽  
Igor Nabiev
Keyword(s):  
Quantum Dots ◽  
Quantum Dot ◽  
Near Infrared ◽  
Semiconductor Quantum Dots ◽  
Photon Absorption ◽  
Bandgap Energy ◽  
Infrared Photodetector ◽  
Two Photon Absorption ◽  
Two Photon ◽  
Absorption Mode

Semiconductor quantum dots (QDs) are known for their high two-photon absorption (TPA) capacity. This allows them to efficiently absorb infrared photons with energies lower than the bandgap energy. Moreover, TPA...

Two-photon-absorption-assisted Tera Hertz optical gain modulation in quantum-dot optical amplifiers

2006 ◽  
Vol 32 (1-2) ◽  
pp. 543-546 ◽  
Author(s):  
H. Ju ◽  
A.V. Uskov ◽  
Z. Li ◽  
J. Molina Vázquez ◽  
R. Nötzel ◽  
...  
Keyword(s):  
Quantum Dot ◽  
Optical Amplifiers ◽  
Optical Gain ◽  
Photon Absorption ◽  
Gain Modulation ◽  
Two Photon Absorption ◽  
Two Photon
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