III-nitride light-emitting devices

MZ Baten, S Alam, B Sikder, A Aziz - Photonics, 2021 - mdpi.com
III-nitride light-emitting devices have been subjects of intense research for the last several
decades owing to the versatility of their applications for fundamental research, as well as …

Predicting strongly localized resonant modes of light in disordered arrays of dielectric scatterers: a machine learning approach

M Ali, AKMN Haque, N Sadik, T Ahmed, MZ Baten - Optics Express, 2023 - opg.optica.org
In this work, we predict the most strongly confined resonant mode of light in strongly
disordered systems of dielectric scatterers employing the data-driven approach of machine …

Emergence and tunability of transmission gap in the strongly disordered regime of a dielectric random scattering medium

M Ishfak Tahmid, D Joti Paul, M Zunaid Baten - Optics Express, 2021 - opg.optica.org
Light transmission characteristics in a strongly disordered medium of dielectric scatterers,
having dimensionalities similar to those of self-organized GaN nanowires, is analyzed …

Disorder induced absorption enhancement of light in gaas nanowire array

M Shahnewaz, S Iqbal, MZ Baten, MI Tahmid - Journal of Optics, 2022 - iopscience.iop.org
Light absorption characteristics of vertically aligned GaAs nanowire (NW) arrays with
disordered diameters and heights are investigated in this work using finite difference time …

Disorder induced rotational-symmetry breaking to control directionality of whispering gallery modes in circularly symmetric nanowire assembly

DJ Paul, S Hossain, MZ Baten - Optics Express, 2019 - opg.optica.org
Effect of disorder on the emission directionality of a whispering gallery mode resonator
comprising of circularly symmetric nanowire array is investigated using finite-difference time …

In-plane directionality control of strongly localized resonant modes of light in disordered arrays of dielectric scatterers

AKM Naziul Haque, T Ahmed, MZ Baten - Optics Express, 2021 - opg.optica.org
In this work we propose and analyze techniques of in-plane directionality control of strongly
localized resonant modes of light in random arrays of dielectric scatterers. Based on …

Label-free detection of virus-like particles employing rotationally symmetric nanowire array based whispering gallery and quasi-whispering gallery resonant modes …

MM Hassan, MZ Baten - Optics Express, 2021 - opg.optica.org
In spite of tremendous advancements in modern diagnostics, there is a dire need for
reliable, label-free detection of highly contagious pathogens like viruses. In view of the …

Finite difference time domain based investigation of the light transmission characteristics of strongly disordered systems mimicking self-organized nanowire arrays

I Tahmid - 2022 - lib.buet.ac.bd
In this study, we have investigated the effects of introducing randomness on the transmission
characteristics of light in dielectric nanowire arrays. Periodic, correlated weakly disordered …

The impact of resonance on the light extraction efficiency of single nanowire ultraviolet light emitting diodes

Z Zhang, F Gao, G Li - IEEE Photonics Journal, 2020 - ieeexplore.ieee.org
Fabricating the nanowire ultraviolet light emitting diodes (UV LEDs) has been a promising
candidate to dramatically enhance the external quantum efficiency (EQE) of UV LEDs. For a …

Directionality Control and Strong-localization of Light in a Disordered Medium of Reduced Area

MZ Baten, AKMN Haque, T Ahmed - CLEO: Science and Innovations, 2022 - opg.optica.org
Conference title, upper and lower case, bolded, 18 point type, centered Page 1 Directionality
Control and Strong-localization of Light in a Disordered Medium of Reduced Area Md Zunaid …