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Asif Iqbal
Researcher at Aston University
Publications - 45
Citations - 477
Asif Iqbal is an academic researcher from Aston University. The author has contributed to research in topics: Optical amplifier & Raman amplification. The author has an hindex of 10, co-authored 45 publications receiving 329 citations.
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Journal ArticleDOI
4 Tb/s Transmission Reach Enhancement Using 10 × 400 Gb/s Super-Channels and Polarization Insensitive Dual Band Optical Phase Conjugation
Andrew D. Ellis,Mingming Tan,Asif Iqbal,Mohammad Al-Khateeb,Vladimir Gordienko,Gabriel Saavedra Mondaca,Simon J. Fabbri,Marc Stephens,Mary E. McCarthy,Andreas Perentos,Ian Phillips,Domanic Lavery,Gabriele Liga,Robert Maher,Paul Harper,Nick Doran,Sergei K. Turitsyn,Stylianos Sygletos,Polina Bayvel +18 more
TL;DR: In this paper, the authors experimentally demonstrate the benefit of polarization insensitive dual-band optical phase conjugation for up to ten 400 GB/s optical super-channels using a Raman amplified transmission link with a realistic span length of 75 km.
Journal ArticleDOI
Impact of input FBG reflectivity and forward pump power on RIN transfer in ultralong Raman laser amplifiers
Giuseppe Rizzelli,Asif Iqbal,Francesca Gallazzi,Pawel Rosa,Mingming Tan,Juan Diego Ania-Castanon,Lukasz Krzczanowicz,Pedro Corredera,Ian Phillips,Wladek Forysiak,Paul Harper +10 more
TL;DR: This work demonstrates the need for careful adjustment of the front FBG reflectivity and the relative contribution of forward pump power, and their impact on performance in 2nd-order ultra-long Raman laser amplifiers for telecommunications.
Journal ArticleDOI
Multi–Band Programmable Gain Raman Amplifier
Uiara Celine de Moura,Asif Iqbal,Morteza Kamalian,Lukasz Krzczanowicz,Francesco Da Ros,Ann Margareth Rosa Brusin,Andrea Carena,Wladek Forysiak,Sergei K. Turitsyn,Darko Zibar +9 more
TL;DR: A multi–band (S+C+L) programmable gain optical amplifier is experimentally demonstrated using only Raman effects and machine learning to allow for signal power spectrum shaping.
Journal ArticleDOI
Analysis of the nonlinear Kerr effects in optical transmission systems that deploy optical phase conjugation.
Mohammad Al-Khateeb,Asif Iqbal,Mingming Tan,Abdallah Ali,Mary E. McCarthy,Paul Harper,Andrew D. Ellis +6 more
TL;DR: The results show that first order distributed Raman systems are superior to the discretely amplified systems in terms of the nonlinear Kerr compensation efficiency that a mid-link OPC can achieve.
Journal ArticleDOI
Low transmission penalty dual-stage broadband discrete Raman amplifier.
Lukasz Krzczanowicz,Asif Iqbal,Ian Phillips,Mingming Tan,Pavel Skvortcov,Paul Harper,Wladek Forysiak +6 more
TL;DR: A broadband (>70nm), dual stage, discrete Raman amplifier designed with small and standard core fibres to maximize gain and minimize nonlinearity is presented.