Review of GaN-based devices for terahertz operation

K Ahi - Optical Engineering, 2017 - spiedigitallibrary.org
GaN provides the highest electron saturation velocity, breakdown voltage, operation
temperature, and thus the highest combined frequency-power performance among …

Advanced terahertz techniques for quality control and counterfeit detection

K Ahi, M Anwar - Terahertz Physics, Devices, and Systems X …, 2016 - spiedigitallibrary.org
This paper reports our invented methods for detection of counterfeit electronic. These
versatile techniques are also handy in quality control applications. Terahertz pulsed laser …

Survey of terahertz photonics and biophotonics

K Ahi, N Jessurun, MP Hosseini… - Optical …, 2020 - spiedigitallibrary.org
We review the advances of terahertz (THz) science and technology in biophotonics,
including related challenges and solutions. The main impediment to THz spectroscopy and …

Modeling of terahertz images based on x-ray images: a novel approach for verification of terahertz images and identification of objects with fine details beyond …

K Ahi, M Anwar - Terahertz Physics, Devices, and Systems X …, 2016 - spiedigitallibrary.org
In this work, terahertz images have been simulated from X-ray images. For this aim the
terahertz raster scanning process is modeled by a two dimensional convolution of the …

A survey on GaN-based devices for terahertz photonics

K Ahi, M Anwar - Wide Bandgap Power Devices and …, 2016 - spiedigitallibrary.org
With fast growing of the photonics and power electronic systems, the need for high power-
high frequency semiconductor devices is sensed tremendously. GaN provides the highest …

Lithography, spectroscopy, and super resolution terahertz imaging for quality assurance and authentication

K Ahi - 2017 - digitalcommons.lib.uconn.edu
The supply chain today spreads all around the globe. For assembling a system, several
components, each of which may be produced in a different country and by a different …

Fabrication of robust nano-signatures for identification of authentic electronic components and counterfeit avoidance

K Ahi, A Rivera, A Mazadi, M Anwar - International Journal of High …, 2017 - World Scientific
In this paper, a novel approach for marking integrated circuit packages with authentication
nanosignatures is introduced. In this work, the signatures patterns are fabricated using …

Encrypted electron beam lithography nano-signatures for authentication

K Ahi, A Rivera, M Anwar - … Journal of High Speed Electronics and …, 2017 - World Scientific
In this work, engineered nanostructures (ENS) have been fabricated on the packed
integrated circuits. Coding lookup tables were developed to assign different digits in …

[PDF][PDF] A novel mathematical approach for converting X-Ray images to terahertz images

K Ahi, M Anwar - Connect. Symp. Microelectron. Optoelectron, 2016 - researchgate.net
In this work a mathematical approach for simulation of the terahertz images from X-ray
images is developed. Terahertz beam was modeled mathematically as a Gaussian beam …

[图书][B] Microelectronics And Optoelectronics: The 25th Annual Symposium Of Connecticut Microelectronics And Optoelectronics Consortium (Cmoc 2016)

FC Jain, C Broadbridge, H Tang - 2017 - books.google.com
This book features the selected articles from the 25th annual symposiums Connecticut
Microelectronics and Optoelectronics Consortium (CMOC), that focus on micro/nano …