Sumanta Bose
YOU?
Author Swipe
View article: Semiconductor quantum nanostructures for optoelectronic applications
Semiconductor quantum nanostructures for optoelectronic applications Open
Semiconductor quantum nanostructures, such as 0D quantum dots (QDs), 1D nanorods and 2D nanoplatelets (NPLs), quantum rings (QRs) and quantum wells (QWs) exhibit unique quantum mechanical and optoelectronic properties due to spatial confin…
View article: Quantum spin Hall effect and topological phase transition in InN<sub><i>x</i></sub>Bi<sub><i>y</i></sub>Sb<sub>1−<i>x</i>−<i>y</i></sub>/InSb quantum wells
Quantum spin Hall effect and topological phase transition in InN<sub><i>x</i></sub>Bi<sub><i>y</i></sub>Sb<sub>1−<i>x</i>−<i>y</i></sub>/InSb quantum wells Open
Quantum spin Hall (QSH) effect, a fundamentally new quantum state of matter and topological phase transitions are characteristics of a kind of electronic material, popularly referred to as topological insulators (TIs). TIs are similar to o…
View article: KdotPsoft: Modelling and Simulation of Semiconductors and Device Physics
KdotPsoft: Modelling and Simulation of Semiconductors and Device Physics Open
We introduce a new platform called KdotPsoft, to model and simulate semiconductor quantum wells (QWs) and multiple QW (MQW) systems. It is suitable to design and study quantum cascaded lasers, vertical-cavity surface-emitting laser, etc in…
View article: Electronic Structure and Optical Gain of InNBiAs/InP Pyramidal Quantum Dots
Electronic Structure and Optical Gain of InNBiAs/InP Pyramidal Quantum Dots Open
Dilute bismide alloys and dilute nitride alloys have garnered increasing research interest over the past few years, as it promises increased engineering flexibility in the design of advanced compound semiconductor heterostructure devices. …
View article: Anomalous Spectral Characteristics of Ultrathin sub-nm Colloidal CdSe Nanoplatelets
Anomalous Spectral Characteristics of Ultrathin sub-nm Colloidal CdSe Nanoplatelets Open
We demonstrate high quantum yield broad photoluminescence emission of ultrathin sub-nanometer CdSe nanoplatelets (two-monolayer). They also exhibit polarization-characterized lateral size dependent anomalous heavy hole and light/split-off …
View article: Temperature-dependent optoelectronic properties of quasi-2D colloidal cadmium selenide nanoplatelets
Temperature-dependent optoelectronic properties of quasi-2D colloidal cadmium selenide nanoplatelets Open
Colloidal cadmium selenide (CdSe) nanoplatelets (NPLs) are a recently developed class of efficient luminescent nanomaterials suitable for optoelectronic device applications. A change in temperature greatly affects their electronic bandstru…
View article: On assuming Mean Radiant Temperature equal to air temperature during PMV-based thermal comfort study in air-conditioned buildings
On assuming Mean Radiant Temperature equal to air temperature during PMV-based thermal comfort study in air-conditioned buildings Open
Mean Radiant Temperature (MRT) is an important factor of Fanger's PMV model, which is the most popular method to study human thermal comfort. However, it has often been a practice to assume MRT equal to air temperature (Ta) during indoor t…
View article: Electronic bandstructure and optical gain of lattice matched III-V dilute nitride bismide quantum wells for 1.55 <i>μ</i>m optical communication systems
Electronic bandstructure and optical gain of lattice matched III-V dilute nitride bismide quantum wells for 1.55 <i>μ</i>m optical communication systems Open
Dilute nitride bismide GaNBiAs is a potential semiconductor alloy for near- and mid-infrared applications, particularly in 1.55 μm optical communication systems. Incorporating dilute amounts of bismuth (Bi) into GaAs reduces the effective …
View article: Effect of lateral size and thickness on the electronic structure and optical properties of quasi two-dimensional CdSe and CdS nanoplatelets
Effect of lateral size and thickness on the electronic structure and optical properties of quasi two-dimensional CdSe and CdS nanoplatelets Open
The effect of lateral size and vertical thickness of CdSe and CdS nanoplatelets (NPLs) on their electronic structure and optical properties are investigated using an effective-mass envelope function theory based on the 8-band k ⋅ p model w…
View article: Electronic band structure and optical gain of GaN<i>x</i>Bi<i>y</i>As1−<i>x</i>−<i>y</i>/GaAs pyramidal quantum dots
Electronic band structure and optical gain of GaN<i>x</i>Bi<i>y</i>As1−<i>x</i>−<i>y</i>/GaAs pyramidal quantum dots Open
The electronic band structure and optical gain of GaNxBiyAs1−x−y/GaAs pyramidal quantum dots (QDs) are investigated using the 16-band k ⋅ p model with constant strain. The optical gain is calculated taking both homogeneous and inhomogeneou…