Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Hafiz Muhammad Obaid"'
Autor:
Hafiz Muhammad Obaid, Zaid Bin Javaid, Tehseen Mazhar, Muhammad Asgher Nadeem, Mamoon M. Saeed, Habib Hamam
Publikováno v:
Discover Sustainability, Vol 5, Iss 1, Pp 1-16 (2024)
Abstract Free space optical (FSO) systems offer an attractive and cost-effective solution for providing communication services in remote regions, as they allow secure transmission without the need for licensing and with lower deployment costs. Howeve
Externí odkaz:
https://doaj.org/article/ac849437f11344958b1aec9000dde673
Autor:
Hafiz Muhammad Obaid, Hifsa Shahid, Muhammad Zafrullah, Majid Ali, Faizan Rashid, Baseem Khan
Publikováno v:
Ain Shams Engineering Journal, Vol 15, Iss 3, Pp 102497- (2024)
This article demonstrates the achievement of optical amplification across the S, C, and L-bands. A hybrid amplifier is proposed that utilizes a combination of bidirectional thulium-doped fiber amplifier (TDFA) and multi-section fiber optical parametr
Externí odkaz:
https://doaj.org/article/e2ed2496fe974e609e783367222ec431
Autor:
Hafiz Muhammad Obaid, Shahzad Ashraf, Muhammad Asgher Nadeem, Hifsa Shahid, Adeel Akram, Muhammad Zafrullah
Publikováno v:
Frontiers in Computer Science, Vol 6 (2024)
Free space optical (FSO) systems offer a desirable and affordable way of providing communication services in remote locations. They provide secure wireless transmission without the requirement for licensing and with lower implementation costs. Howeve
Externí odkaz:
https://doaj.org/article/fe2580b012d84717adbf28fd2e3ae417
Publikováno v:
Optical and Quantum Electronics. 55
Publikováno v:
Wireless Personal Communications. 125:2219-2238
Autor:
Hafiz Muhammad Obaid, Hifsa Shahid
Publikováno v:
Optik. 186:72-83
A novel hybrid optical amplifier is proposed for 100 × 10 Gb/s dense wavelength division multiplexed (DWDM) system. The amplifier consists of a combination of Er-Yb co-doped fiber amplifier (EYDFA) with backward-propagating multi-pump Raman amplifie
Autor:
Hifsa Shahid, Muhammad Salim Butt, Umer Rashid, Haris Anwer, Hafiz Muhammad Obaid, Farhan Ahmed Butt, Munazza Sadaf, Muhammad Adnan
Publikováno v:
Optik. 258:168929
Autor:
Hifsa Shahid, Hafiz Muhammad Obaid
Publikováno v:
Optik. 175:284-289
A novel flat-gain L-band hybrid optical amplifier is demonstrated using a combination of Raman and Er-Yb co-doped fiber amplifier (EYDFA) for a high capacity 80 × 100 Gb/s dense wavelength division multiplexed (DWDM) system at 0.2 nm channel spacing
Publikováno v:
Journal of Modern Optics. 63:1500-1505
Broadband chaos can be generated by beating two wavelengths in a hybrid arrangement of Fabry–Perot (FP) Laser and Fiber ring cavity by injecting dual wavelengths. The bandwidth of generated chaos can be controlled by detuning different modes of FP
Autor:
Hifsa Shahid, Hafiz Muhammad Obaid
Publikováno v:
Optik. 200:163404
In this paper, various hybrid optical amplifier configurations have been proposed and investigated for a 100 × 10 Gbps dense wavelength division multiplexed system at 0.2 nm channel spacing. The performance is evaluated and compared in terms of gain