Zobrazeno 1 - 10
of 152
pro vyhledávání: '"Saeed Olyaee"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-10 (2024)
Abstract Optical encoders are widely used circuits in digital systems. One of the most critical features of an optical encoder is the power values in two logic states; low and high. The difference between these two values is expressed with the contra
Externí odkaz:
https://doaj.org/article/edbe5f7bd447441a93297197e63ee5cf
Publikováno v:
Heliyon, Vol 10, Iss 15, Pp e35680- (2024)
In this paper, a novel interference-based nanostructure was designed and simulated to realize an all-optical 2-bit reversible comparator by employing a novel technique. The plane wave expansion (PWE) method was adopted to analyze the encoder design a
Externí odkaz:
https://doaj.org/article/fdc246e58bcc48669f0a4ee6b14470d4
Publikováno v:
Results in Physics, Vol 55, Iss , Pp 107165- (2023)
In this article, we present a novel approach to achieve a highly compact Si3N4 photonic crystal waveguide by incorporating air holes. This structure is developed in two functional applications that simultaneously perform the functions of generating o
Externí odkaz:
https://doaj.org/article/8fc5f22341194e57b267a3374b535bed
Publikováno v:
Results in Optics, Vol 13, Iss , Pp 100563- (2023)
Detection of bio-alcohol is crucial in diverse industries, including forensics, medicine, and food production. This paper presents a novel biosensor for bio-alcohol detection in water, integrating three micro-cavities with two waveguides within a hex
Externí odkaz:
https://doaj.org/article/eef8d1eb76874f1697d030ef0e4b06ad
Publikováno v:
Symmetry, Vol 16, Iss 4, p 435 (2024)
Quantum dot (QD)-based solar cells have been the focus of extensive research. One of the critical challenges in this field is optimizing the size and placement of QDs within the cells to enhance light absorption and overall efficiency. This paper the
Externí odkaz:
https://doaj.org/article/cbd79b17ab9448dbb866c8a70fb68d6b
Autor:
Ashkan Ghanbari, Saeed Olyaee
Publikováno v:
Results in Physics, Vol 51, Iss , Pp 106735- (2023)
In this paper, a novel method for simultaneous ultra-broadband and ultrashort femtosecond laser pulse generation in silica photonic crystal fibers is investigated analytically using the fully vectorial effective index method (FVEIM). By reducing the
Externí odkaz:
https://doaj.org/article/07c3a3421f61413db1de581b8e4b4773
Autor:
Ashkan Ghanbari, Saeed Olyaee
Publikováno v:
Crystals, Vol 13, Iss 2, p 226 (2023)
This paper reveals special design features of the proposed highly nonlinear circular-lattice-silicon-core and silica-doped-with-fluorine (1%) cladding-composite photonic crystal fiber (PCF) in the Mid-infrared region of the spectrum. A region of smal
Externí odkaz:
https://doaj.org/article/11f9fcbe7fc9467298780063f0ce15fa
Publikováno v:
Photonics, Vol 9, Iss 7, p 459 (2022)
An optical comparator is an important logic circuit used in digital designs. Photonic crystals are among the platforms for implementing different kinds of gates and logic circuits, and they are structures with alternating refractive indices. In this
Externí odkaz:
https://doaj.org/article/41547f1338634bd584e54cfb3bc18007
Autor:
Maryam Hedayati, Saeed Olyaee
Publikováno v:
Crystals, Vol 12, Iss 5, p 703 (2022)
Efficiency has been known to be one of the most important factors in a solar cell. This article presents the results of a simulation performed on a perovskite/CIGS dual-junction solar cell. In this report, first, a top solar cell consisting of a pero
Externí odkaz:
https://doaj.org/article/ca79de5a94214b0ab9edd269884f3ab6
Autor:
Saeed Olyaee, Masood Sherafat
Publikováno v:
Journal of Optoelectronical Nanostructures, Vol 3, Iss 3, Pp 13-26 (2018)
Jones matrix computation is one of the widely used methods in nonlinearitycalculation in laser interferometers. In this paper, the nonlinearity error in developedthree-longitudinal mode heterodyne interferometer (DTLMI) has been mathematicallymodeled
Externí odkaz:
https://doaj.org/article/b1f925024af641918788776fdd5c3f12