Investigation the dynamic of nano quantum cascade lasers with optoelectronics feedback

2021 ◽  
Vol 2 (2) ◽  
pp. 48-56
Author(s):  
Akram Ghani Mohammed ◽  
Hussein Hadi Waried
Keyword(s):  
Spontaneous Emission ◽  
Emission Factor ◽  
Quantum Cascade Lasers ◽  
Photon Number ◽  
Small Variation ◽  
Equation Model ◽  
Purcell Factor ◽  
Quantum Cascade ◽  
Spontaneous Emission Factor ◽  
Cascade Lasers

In this paper, a theoretical investigation of negative optoelectronic feedback study in Nano quantum cascade lasers is presented. The present rate equation model has been modified to include the nano laser factors such as the Purcell factor and the spontaneous emission factor. The results indicate that the present rate equation model can be using to study the effect of Purcell factor and the spontaneous emission factor on the negative optoelectronic feedback in Nano quantum cascade lasers. It is found that the increase in Purcell factor value leads to increase in photon number and decrease the carrier number in all quantum states. Also, the dynamic of photon number (S) tends to stable at constant value with the increase of Purcell effect i.e. there is small variation in photon number and carrier number( , , ). The decreases in enhanced spontaneous emission factor value leads to increases in carrier number and decreases the photon number and we note small variation in these values.

GaAs/AlGaAs Quantum Cascade Lasers Based on Double Resonant Electron – LO Phonon Transitions

2005 ◽  
Vol 494 ◽  
pp. 25-30 ◽  
Author(s):  
A. Mirčetić ◽  
D. Indjin ◽  
V. Milanović ◽  
P. Harrison ◽  
Z. Ikonić ◽  
...  
Keyword(s):  
Optical Phonon ◽  
Quantum Cascade Lasers ◽  
Longitudinal Optical ◽  
Equation Model ◽  
Longitudinal Optical Phonon ◽  
Quantum Cascade ◽  
Resonant Electron ◽  
Efficient Extraction ◽  
Output Characteristics ◽  
Cascade Lasers

In this paper a procedure for the global optimization of mid-infrared GaAs/AlGaAs quantum cascade lasers that relies on the method of simulated annealing is presented. We propose a double longitudinal optical phonon resonance design obtained via a ladder of three states, with subsequent pairs separated by optical phonon energy. Addition of an extra level decreases the lower laser level population by enabling an efficient extraction into the injector region. The output characteristics of the optimized structures are calculated using the full self–consistent rate equation model, which includes all of the relevant scattering mechanisms. We also presented the experimentally measured output characteristics of an initial device, which are in agreement with the numerically calculated values, confirming the good design capabilities of the applied procedure.

scholarly journals Simulation of Optoelectronic Devices

VLSI Design ◽  
2001 ◽  
Vol 13 (1-4) ◽  
pp. 23-36
Author(s):  
Paolo Lugli ◽  
Fabio Compagnone ◽  
Aldo Di Carlo ◽  
Andrea Reale
Keyword(s):  
Optical Pumping ◽  
Quantum Cascade Lasers ◽  
Tight Binding ◽  
Optoelectronic Devices ◽  
Semiconductor Optical Amplifiers ◽  
Equation Model ◽  
Quantum Cascade ◽  
Set Up ◽  
Cascade Lasers ◽  
Insight Into

In the spirit of reviewing various approaches to the modeling and simulation of optoelectronic devices, we discuss two specific examples, related respectively to Semiconductor Optical Amplifiers and to Quantum Cascade Lasers. In the former case, a tight-binding analysis is performed aimed at the optimization of the polarization independence of the device. Further, a rate-equation model is set up to describe the dynamics of gain recovery after optical pumping. A Monte Carlo simulation of a superlattice quantum cascade laser is then presented which provides an insight into the microscopic processes controlling the performance of this device.

PbTe/PbS Multilayer Mirror for EuTe/PbTe Surface Emitting Quantum Cascade Lasers

2009 ◽  
Vol 129 (11) ◽  
pp. 799-801
Author(s):  
Daoshe Cao ◽  
Taiki Yamano ◽  
Yoku Inoue ◽  
Akihiro Ishida
Keyword(s):  
Quantum Cascade Lasers ◽  
Quantum Cascade ◽  
Multilayer Mirror ◽  
Cascade Lasers

Beam Pattern Investigation of Terahertz Quantum Cascade Lasers

PIERS Online ◽  
2008 ◽  
Vol 4 (2) ◽  
pp. 267-270 ◽  
Author(s):  
Saeed Fathololoumi ◽  
Dayan Ban ◽  
Hui Luo ◽  
Peter Grant ◽  
Sylvain R. Laframboise ◽  
...  
Keyword(s):  
Quantum Cascade Lasers ◽  
Beam Pattern ◽  
Quantum Cascade ◽  
Cascade Lasers

Electromagnetic-matter interactions and devices

2017 ◽  
Author(s):  
Sandip Tiwari
Keyword(s):  
Optical Tweezers ◽  
Quantum Cascade Lasers ◽  
Accelerator Physics ◽  
X Ray ◽  
Quantum Cascade ◽  
Inorganic Systems ◽  
Charge Cloud ◽  
Atomic Distance ◽  
Extinction Length ◽  
Cascade Lasers

This chapter explores electromagnetic-matter interactions from photon to extinction length scales, i.e., nanometer of X-ray and above. Starting with Casimir-Polder effect to understand interactions of metals and dielectrics at near-atomic distance scale, it stretches to larger wavelengths to explore optomechanics and its ability for energy exchange and signal transduction between PHz and GHz. This range is explored with near-quantum sensitivity limits. The chapter also develops the understanding phononic bandgaps, and for photons, it explores the use of energetic coupling for useful devices such as optical tweezers, confocal microscopes and atomic clocks. It also explores miniature accelerators as a frontier area in accelerator physics. Plasmonics—the electromagnetic interaction with electron charge cloud—is explored for propagating and confined conditions together with the approaches’ possible uses. Optoelectronic energy conversion is analyzed in organic and inorganic systems, with their underlying interaction physics through solar cells and its thermodynamic limit, and quantum cascade lasers.

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