Explanipedia

Miniaturized spectral sensing with a tunable optoelectronic interface Open

Xiaoqi Cui, Fedor Nigmatulin, Lei Wang, Igor Reduto, Andreas C. Liapis , et al. · 2025

Reconstructive optoelectronic spectroscopy has generated substantial interest in the miniaturization of traditional spectroscopic tools, such as spectrometers. However, most state-of-the-art demonstrations face fundamental limits of rank d…

High-responsivity InSe/TaSe 2 photodetectors integrated on low-loss silicon nitride waveguides Open

Maaz Ahmed Qureshi, Farhan Khalid, Md Gius Uddin, Abde Mayeen Shafi, Isaac Doughan , et al. · 2025

Waveguide-integrated InSe/TaSe 2 heterostructure photodetectors exhibit high responsivity and low noise, enabled by enhanced light-matter interaction.

Configurable anti-ambipolar photoresponses for optoelectronic multi-valued logic gates Open

Xiaoqi Cui, Sunmean Kim, Faisal Ahmed, Mingde Du, Andreas C. Liapis , et al. · 2024

Anti-ambipolar transistors (AATs) are the leading platform for the paradigm shift from binary to multi-valued logic (MVL) circuits, increasing circuit integration density and data processing capacity. However, most AATs with p–n heterojunc…

Broadband miniaturized spectrometers with a van der Waals tunnel diode Open

Md Gius Uddin, Susobhan Das, Abde Mayeen Shafi, Lei Wang, Xiaoqi Cui , et al. · 2024

Broadband miniaturized spectrometers with a van der Waals tunnel diode Open

Md Gius Uddin, Susobhan Das, Abde Mayeen Shafi, Lei Wang, Xiaoqi Cui , et al. · 2024

Miniaturized spectrometers are of immense interest for various on-chip and implantable photonic and optoelectronic applications. State-of-the-art conventional spectrometer designs rely heavily on bulky dispersive components (such as gratin…

Strain Engineering for Enhancing Carrier Mobility in MoTe2 Field‐Effect Transistors Open

Abde Mayeen Shafi, Md Gius Uddin, Xiaoqi Cui, Fida Ali, Faisal Ahmed , et al. · 2023

Molybdenum ditelluride (MoTe 2 ) exhibits immense potential in post‐silicon electronics due to its bandgap comparable to silicon. Unlike other 2D materials, MoTe 2 allows easy phase modulation and efficient carrier type control in electric…

Deterministic Polymorphic Engineering of MoTe2 for Photonic and Optoelectronic Applications Open

Faisal Ahmed, Carlos Rodríguez‐Fernández, Henry A. Fernández, Yi Zhang, Abde Mayeen Shafi , et al. · 2023

Developing selective and coherent polymorphic crystals at the nanoscale offers a novel strategy for designing integrated architectures for photonic and optoelectronic applications such as metasurfaces, optical gratings, photodetectors, and…

Highly Sensitive MoS2 Photodetectors Enabled with a Dry-Transferred Transparent Carbon Nanotube Electrode Open

Er‐Xiong Ding, Peng Liu, Hoon Hahn Yoon, Faisal Ahmed, Mingde Du , et al. · 2023

Fabricating electronic and optoelectronic devices by transferring pre-deposited metal electrodes has attracted considerable attention, owing to the improved device performance. However, the pre-deposited metal electrode typically involves …

Direct Epitaxial Growth of InP Nanowires on MoS2 with Strong Nonlinear Optical Response Open

Abde Mayeen Shafi, Susobhan Das, Vladislav Khayrudinov, Er‐Xiong Ding, Md Gius Uddin , et al. · 2022

Mixed-dimensional van der Waals heterostructures are promising for research and technological advances in photonics and optoelectronics. Here we report vapor-liquid-solid (VLS) method -based van der Waals epitaxy of one-dimensional InP nan…

Inducing Strong Light–Matter Coupling and Optical Anisotropy in Monolayer MoS2 with High Refractive Index Nanowire Open

Abde Mayeen Shafi, Faisal Ahmed, Henry A. Fernández, Md Gius Uddin, Xiaoqi Cui , et al. · 2022

Mixed-dimensional heterostructures combine the merits of materials of different dimensions; therefore, they represent an advantageous scenario for numerous technological advances. Such an approach can be exploited to tune the physical prop…

Engineering the Dipole Orientation and Symmetry Breaking with Mixed‐Dimensional Heterostructures Open

Md Gius Uddin, Susobhan Das, Abde Mayeen Shafi, Vladislav Khayrudinov, Faisal Ahmed , et al. · 2022

Engineering of the dipole and the symmetry of materials plays an important role in fundamental research and technical applications. Here, a novel morphological manipulation strategy to engineer the dipole orientation and symmetry of 2D lay…

Multilayer MoTe2 Field‐Effect Transistor at High Temperatures Open

Faisal Ahmed, Abde Mayeen Shafi, David M. A. Mackenzie, Maaz Ahmed Qureshi, Henry A. Fernández , et al. · 2021

Functional 2D material‐based devices are likely subjected to high ambient temperatures when integrated into miniaturized circuits for practical applications, which may induce irreversible structural changes in materials and impact the devi…

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