Shamiul Alam
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View article: Energy-efficient cryogenic ternary content addressable memory using ferroelectric SQUID
Energy-efficient cryogenic ternary content addressable memory using ferroelectric SQUID Open
Content-addressable memories (CAMs) are well-suited for certain computing tasks since they can search through a whole dataset in a single cycle, which makes them suitable for cryogenic applications like quantum computing and deep space exp…
View article: Reimagining Voltage-Controlled Cryogenic Boolean Logic Paradigm with Quantum-Enhanced Josephson Junction FETs
Reimagining Voltage-Controlled Cryogenic Boolean Logic Paradigm with Quantum-Enhanced Josephson Junction FETs Open
The growing demand for ultra low power computing and the emergence of quantum technologies have intensified interest in cryogenic electronics, particularly superconducting devices. Despite their promise, current controlled superconducting …
View article: A Review of Digital Pixel Sensors
A Review of Digital Pixel Sensors Open
Digital pixel sensor (DPS) has evolved as a pivotal component in modern imaging systems and has the potential to revolutionize various fields such as medical imaging, astronomy, surveillance, IoT devices, etc. Compared to analog pixel sens…
View article: Integrating Atomistic Insights With Circuit Simulations via Transformer-Driven Symbolic Regression
Integrating Atomistic Insights With Circuit Simulations via Transformer-Driven Symbolic Regression Open
This article introduces a framework that establishes a cohesive link between the first principles-based simulations and circuit-level analyses using a machine learning-based compact modeling platform. Starting with atomistic simulations, t…
View article: Energy-Efficient Cryogenic Ternary Content Addressable Memory using Ferroelectric SQUID
Energy-Efficient Cryogenic Ternary Content Addressable Memory using Ferroelectric SQUID Open
Ternary content addressable memories (TCAMs) are useful for certain computing tasks since they allow us to compare a search query with a whole dataset stored in the memory array. They can also unlock unique advantages for cryogenic applica…
View article: Harnessing Ferro-Valleytricity in Penta-Layer Rhombohedral Graphene for Memory and Compute
Harnessing Ferro-Valleytricity in Penta-Layer Rhombohedral Graphene for Memory and Compute Open
Two-dimensional materials with multiple degrees of freedom, including spin, valleys, and orbitals, open up an exciting avenue for engineering multifunctional devices. Beyond spintronics, these degrees of freedom can lead to novel quantum e…
View article: A Review on Digital Pixel Sensors
A Review on Digital Pixel Sensors Open
Digital pixel sensor (DPS) has evolved as a pivotal component in modern imaging systems and has the potential to revolutionize various fields such as medical imaging, astronomy, surveillance, IoT devices, etc. Compared to analog pixel sens…
View article: Voltage-controlled cryogenic Boolean logic gates based on ferroelectric SQUID and heater cryotron
Voltage-controlled cryogenic Boolean logic gates based on ferroelectric SQUID and heater cryotron Open
The recent progress in quantum computing and space exploration led to a surge in interest in cryogenic electronics. Superconducting devices such as Josephson junction, Josephson field effect transistor, cryotron, and superconducting quantu…
View article: Compact Model of a Topological Transistor
Compact Model of a Topological Transistor Open
The precession of a ferromagnet leads to the injection of spin current and heat into an adjacent non-magnetic material. Besides, spin-orbit entanglement causes an additional charge current injection. Such a device has been recently propose…
View article: CMOS-Based Single-Cycle in-Memory XOR/XNOR
CMOS-Based Single-Cycle in-Memory XOR/XNOR Open
Big data applications are on the rise, and so is the number of data centers. The ever-increasing massive data pool needs to be periodically backed up in a secure environment. Moreover, a massive amount of securely backed-up data is require…
View article: Machine Learning-powered Compact Modeling of Stochastic Electronic Devices using Mixture Density Networks
Machine Learning-powered Compact Modeling of Stochastic Electronic Devices using Mixture Density Networks Open
The relentless pursuit of miniaturization and performance enhancement in electronic devices has led to a fundamental challenge in the field of circuit design and simulation: how to accurately account for the inherent stochastic nature of c…
View article: CMOS-based Single-Cycle In-Memory XOR/XNOR
CMOS-based Single-Cycle In-Memory XOR/XNOR Open
Big data applications are on the rise, and so is the number of data centers. The ever-increasing massive data pool needs to be periodically backed up in a secure environment. Moreover, a massive amount of securely backed-up data is require…
View article: Reimagining Sense Amplifiers: Harnessing Phase Transition Materials for Current and Voltage Sensing
Reimagining Sense Amplifiers: Harnessing Phase Transition Materials for Current and Voltage Sensing Open
Energy-efficient sense amplifier (SA) circuits are essential for reliable detection of stored memory states in emerging memory systems. In this work, we present four novel sense amplifier (SA) topologies based on phase transition material …
View article: A Deep Dive into the Design Space of a Dynamically Reconfigurable Cryogenic Spiking Neuron
A Deep Dive into the Design Space of a Dynamically Reconfigurable Cryogenic Spiking Neuron Open
Spiking neural network offers the most bio-realistic approach to mimic the parallelism and compactness of the human brain. A spiking neuron is the central component of an SNN which generates information-encoded spikes. We present a compreh…
View article: Harnessing Unipolar Threshold Switches for Enhanced Rectification
Harnessing Unipolar Threshold Switches for Enhanced Rectification Open
Phase transition materials (PTM) have drawn significant attention in recent years due to their abrupt threshold switching characteristics and hysteretic behavior. Augmentation of the PTM with a transistor has been shown to provide enhanced…
View article: Cryogenic Reconfigurable Logic with Superconducting Heater Cryotron: Enhancing Area Efficiency and Enabling Camouflaged Processors
Cryogenic Reconfigurable Logic with Superconducting Heater Cryotron: Enhancing Area Efficiency and Enabling Camouflaged Processors Open
Superconducting electronics are among the most promising alternatives to conventional CMOS technology thanks to the ultra-fast speed and ultra-high energy efficiency of the superconducting devices. Having a cryogenic control processor is a…
View article: Ternary In-Memory Computing with Cryogenic Quantum Anomalous Hall Effect Memories
Ternary In-Memory Computing with Cryogenic Quantum Anomalous Hall Effect Memories Open
With surging interest in quantum computing, space applications, and ultra-fast superconducting processors, the need for compatible cryogenic memory systems is skyrocketing. Among several concurrent candidates for cryogenic data storage sol…
View article: A Novel Scalable Array Design for III-V Compound Semiconductor-based Nonvolatile Memory (UltraRAM) with Separate Read-Write Paths
A Novel Scalable Array Design for III-V Compound Semiconductor-based Nonvolatile Memory (UltraRAM) with Separate Read-Write Paths Open
The dream of achieving a universal memory that can provide robust non-volatile memory states along with low-energy operation has been the key driving force of memory research. Despite dominating the memory market, conventional charge-based…
View article: CMOS-compatible ising machines built using bistable latches coupled through ferroelectric transistor arrays
CMOS-compatible ising machines built using bistable latches coupled through ferroelectric transistor arrays Open
Realizing compact and scalable Ising machines that are compatible with CMOS-process technology is crucial to the effectiveness and practicality of using such hardware platforms for accelerating computationally intractable problems. Besides…
View article: Cryogenic In-Memory Bit-Serial Addition Using Quantum Anomalous Hall Effect-Based Majority Logic
Cryogenic In-Memory Bit-Serial Addition Using Quantum Anomalous Hall Effect-Based Majority Logic Open
Cryogenic compute in- memory (CiM) is a promising alternative to room temperature von-Neumann technologies since cryogenic electronics can provide high speed and energy efficiency while CiM can solve the von-Neumann and memory wall bottlen…
View article: Voltage-controlled Cryogenic Boolean Logic Family Based on Ferroelectric SQUID
Voltage-controlled Cryogenic Boolean Logic Family Based on Ferroelectric SQUID Open
The recent progress in quantum computing and space exploration led to a surge in interest in cryogenic electronics. Superconducting devices such as Josephson junction, Josephson field effect transistor, cryotron, and superconducting quantu…
View article: Compact Model of a Topological Transistor
Compact Model of a Topological Transistor Open
The precession of a ferromagnet leads to the injection of spin current and heat into an adjacent non-magnetic material. Besides, spin-orbit entanglement causes an additional charge current injection. Such a device has been recently propose…
View article: CMOS-Compatible Ising Machines built using Bistable Latches Coupled through Ferroelectric Transistor Arrays
CMOS-Compatible Ising Machines built using Bistable Latches Coupled through Ferroelectric Transistor Arrays Open
Realizing compact and scalable Ising machines that are compatible with CMOS-process technology is crucial to the effectiveness and practicality of using such hardware platforms for accelerating computationally intractable problems. Besides…
View article: CMOS-Compatible Ising Machines built using Bistable Latches Coupled through Ferroelectric Transistor Arrays
CMOS-Compatible Ising Machines built using Bistable Latches Coupled through Ferroelectric Transistor Arrays Open
Realizing compact and scalable Ising machines that are compatible with CMOS-process technology is crucial to the effectiveness and practicality of using such hardware platforms for accelerating computationally intractable problems. Besides…
View article: CryoCiM: Cryogenic compute-in-memory based on the quantum anomalous Hall effect
CryoCiM: Cryogenic compute-in-memory based on the quantum anomalous Hall effect Open
The scaling of the already matured complementary metal-oxide-semiconductor technology is steadily approaching its physical limit, motivating the quest for a suitable alternative. Cryogenic operation offers a promising pathway toward contin…
View article: Memristor compact model with oxygen vacancy concentrations as state variables
Memristor compact model with oxygen vacancy concentrations as state variables Open
We present a unique compact model for oxide memristors based upon the concentration of oxygen vacancies as state variables. In this model, the increase (decrease) in oxygen vacancy concentration is similar in effect to the reduction (expan…