Colloidal quantum dot lasers built on a passive two-dimensional photonic crystal backbone

Nanoscale ◽  
2016 ◽  
Vol 8 (12) ◽  
pp. 6571-6576 ◽  
Author(s):  
Hojun Chang ◽  
Kyungtaek Min ◽  
Myungjae Lee ◽  
Minsu Kang ◽  
Yeonsang Park ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Photonic Crystal ◽  
Room Temperature ◽  
Optical Gain ◽  
Colloidal Quantum Dots ◽  
Quantum Dot Lasers ◽  
Two Dimensional ◽  
Dimensional Photonic Crystal ◽  
Colloidal Quantum Dot ◽  
Two Dimensional Photonic Crystal

We report the room-temperature lasing action from two-dimensional photonic crystal structures composed of a passive Si3N4 backbone with an over-coat of CdSe/CdS/ZnS colloidal quantum dots for optical gain.

scholarly journals Spontaneous Emission Enhancement of CdSe Quantum Dots Embedded in a Two-dimensional Photonic Crystal L3 Nanocavity

2021 ◽  
Vol 9 (2) ◽  
pp. 38-41
Author(s):  
Khalid N. Sediq
Keyword(s):  
Quantum Dots ◽  
Photonic Crystal ◽  
Spontaneous Emission ◽  
Quantum Electrodynamics ◽  
Cavity Quantum Electrodynamics ◽  
Cdse Quantum Dots ◽  
Two Dimensional ◽  
Cdse Qds ◽  
Dimensional Photonic Crystal ◽  
Two Dimensional Photonic Crystal

Two-dimensional photonic crystal nanocavities were designed to tailor cavity quantum electrodynamics. Enhancing the spontaneous emission of low-quality factor nanocavity with embedded CdSe quantum dots (QDs) emitters is the aim of this study. Low concentration layer of CdSe QDs was sandwiched between two layers of Si2 N3 membrane using plasma-enhanced chemical vapor deposition. The modification rate in spontaneous emission of L3 nanocavity up to 2.3-fold has been observed at 629.5 nm in compare to bare cavities. High field confinement in the sub-wavelength regime became an interest field for quantum electrodynamics applications and good platform to study light matter interactions.

scholarly journals Decay dynamics of quantum dots influenced by the local density of optical states of two-dimensional photonic crystal membranes

2008 ◽  
Vol 93 (9) ◽  
pp. 094102 ◽  
Author(s):  
B. Julsgaard ◽  
J. Johansen ◽  
S. Stobbe ◽  
T. Stolberg-Rohr ◽  
T. Sünner ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Photonic Crystal ◽  
Local Density ◽  
Two Dimensional ◽  
Dimensional Photonic Crystal ◽  
Two Dimensional Photonic Crystal
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