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multiple quantum-well active layer

The Effects of Strained Multiple Quantum Well on the Chirped DFB-SOA All Optical Flip-Flop

The Effects of Strained Multiple Quantum Well on the Chirped DFB-SOA All Optical Flip-Flop

... of quantum well and strains on chirped DFB-SOA all optical flip flop in Figure 3, the current is adjust to ...MQW layer in active region give a larger transmittivity at Bragg resonance than ...

7

Cathodoluminescence studies of chevron features in semi-polar (11-22) InGaN/GaN multiple quantum well structures

Cathodoluminescence studies of chevron features in semi-polar (11-22) InGaN/GaN multiple quantum well structures

... the active region and the GaN ...the quantum-confined Stark effect (QCSE) plays a larger part in these planes, reducing the elec- tron and hole wave-function overlap and hence the overall radiative ...

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Stimulated Emission in AlxGa1-xAs -GaAs Single and 
Multiple Quantum Well Heterostructure.

Stimulated Emission in AlxGa1-xAs -GaAs Single and Multiple Quantum Well Heterostructure.

... then quantum size effects (QSE) occur ...the well lead to the confined-particle transition. The quantum states of confined carriers can be observed by measuring the optical absorption of the ...

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Theoretical study of tunnelling current in the access region of various heterojunction field effect transistor structures

Theoretical study of tunnelling current in the access region of various heterojunction field effect transistor structures

... The access resistance for the structures 1– 4 is shown in Table I. The values for the horizontal conductivity are ob- tained by multiplying the simulated carrier density with the mobility of the respective layers and the ...

5

Aperiodic and Asymmetric Multiple Quantum Well Photonic Devices: A Novel Transfer Matrix Based Model

Aperiodic and Asymmetric Multiple Quantum Well Photonic Devices: A Novel Transfer Matrix Based Model

... asymmetric Multiple Quantum Wells (MQWs) by a faster, simpler and more accurate algorithm based on Transfer Matrix ...varying well and barrier ...

8

Chiroptically Active Quantum Nanostructures

Chiroptically Active Quantum Nanostructures

... As these ZnS:Mn QDs were intended for biomedical applications they first had to be transferred into the aqueous phase. In order to do this, a ligand exchange was performed where the organic oleylamine and any residual ...

244

Theory of terahertz intervalence band polaritons and antipolaritons

Theory of terahertz intervalence band polaritons and antipolaritons

... Terahertz time domain spectroscopy (THz-TDs) has application in Chem­ istry and Biochemistry, security, imaging in medicine, communications as well as manufacturing processes [39-41]. The system involves directing ...

113

Application and Research of Read write Separation Technology in Active active Database

Application and Research of Read write Separation Technology in Active active Database

... the active-active database avoids the impact of the handover process on the foreground application, and improves the capacity of the database through load balancing ...

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Fractional quantum Hall states in a Ge quantum well

Fractional quantum Hall states in a Ge quantum well

... Ge quantum well in the fractional quantum Hall ...fit well with the predictions of a model of thermally assisted quantum ...fractional quantum Hall state responds to any slowly ...

8

Inter dimensional effects in nano structures

Inter dimensional effects in nano structures

... both quantum wells and interfaces with different effective electron or hole mass to study the question when charge carriers in interfaces or layers exhibit two-dimensional or three-dimensional ...whereas ...

10

Bound states in continuum: Quantum dots in a quantum well

Bound states in continuum: Quantum dots in a quantum well

... in quantum dots do not come necessarily ...called quantum rods, exhibit bound excited state with an energy embedded in the continuum of other free electronic states, above the ionization ...complex ...

15

Research on Some New Results Arising from Multiple q-Calculus

Research on Some New Results Arising from Multiple q-Calculus

... the multiple q-analogue of the Heine’s binomial formula, chain rule and Leibnitz’s ...involving multiple q-antiderivative and multiple q-Jackson’s ...here multiple q-analogue of some ...

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Magnetic field effects on THz quantum cascade laser: A comparative analysis of three and four quantum well based active region design

Magnetic field effects on THz quantum cascade laser: A comparative analysis of three and four quantum well based active region design

... In this paper, we analyze two different QCL structures, while studying the electron relaxation rates due to electron-longitudinal optical phonon (LO phonon) scattering and interface roughness scattering (IRS), when each ...

10

Design of Silicon Nano-Bars Anti-Reflection Coating to Enhance Thin Film Solar Cells Efficiency

Design of Silicon Nano-Bars Anti-Reflection Coating to Enhance Thin Film Solar Cells Efficiency

... coatings performs in a specific frequency range and their effectiveness is usually further reduced by the angle of incidence. Accordingly, frequency range and angle of incidence are main objectives in anti-reflection ...

8

Maximum entropy mobility spectrum of two dimensional hole gas in strained Si1 x/Si heterostructures

Maximum entropy mobility spectrum of two dimensional hole gas in strained Si1 x/Si heterostructures

... Analysis of the magnetic-field-dependent resistivity tensors reveals a two-dimensional hole gas 2DHG in the Si/SiGe/Si quantum well, carriers in the boron-doped cap layer, and an unknown[r] ...

213

Observation of anomalous linear photogalvanic effect and its dependence on wavelength in undoped InGaAs/AlGaAs multiple quantum well

Observation of anomalous linear photogalvanic effect and its dependence on wavelength in undoped InGaAs/AlGaAs multiple quantum well

... Different from the ordinary LPGE due to asymmetry scat- tering on phonons, static defects, or other carriers in noncentrosymmetric media, the ALPGE is supposed to due to the optical momentum alignment effect [1,7]. This ...

5

Hitting statistics from quantum jumps

Hitting statistics from quantum jumps

... open quantum walks in terms of quantum ...the quantum analogue of the rate equation for a classical continuous-time Markov ...The quantum jump method is well known in the quantum ...

33

Active Well-Rounded Students and GPA

Active Well-Rounded Students and GPA

... Students in a college community have a plethora of opportunities at their fingertips. Between clubs, sports, internships, college events and sorority/fraternity groups, students can be involved in almost anything and ...

12

Quantum Multiple Q Learning

Quantum Multiple Q Learning

... work well in environments with a reasonable number of states, they become ineffective in large state spaces (such as a continuous state ...a well known ...

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Effect of triplet multiple quantum well structures on the performance of blue phosphorescent organic light emitting diodes

Effect of triplet multiple quantum well structures on the performance of blue phosphorescent organic light emitting diodes

... Another way to achieve high efficiency in OLEDs is to confine excitons inside the EML using the multiple quantum well [MQW] structure [7]. Only a few reports concerning the MQW structure with good ...

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