Photo of Md Asif Iqbal
    • School of Engineering and Applied Science, Aston University

      B4 7ET Birmingham

    20152019
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    Research Output 2015 2019

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    Article
    2019

    Linear and Nonlinear Noise Characterisation of Dual Stage Broadband Discrete Raman Amplifiers

    Iqbal, M. A., Al-Khateeb, M. A. Z., Krzczanowicz, L., Phillips, I. D., Harper, P. & Forysiak, W., 15 Jul 2019, In : Journal of Lightwave Technology. 37, 14, p. 3679-3688 10 p., 8723646.

    Research output: Contribution to journalArticle

    Open Access
    File
    amplifiers
    broadband
    fibers
    signal to noise ratios
    quadrature phase shift keying
    pumping
    amplifiers
    broadband
    quadrature phase shift keying
    wavelengths
    2018

    Analysis of the nonlinear Kerr effects in optical transmission systems that deploy optical phase conjugation

    Al-Khateeb, M., Iqbal, M. A., Tan, M., Ali, A., McCarthy, M. E., Harper, P. & Ellis, A. D., 29 Jan 2018, In : Optics Express. 26, 3

    Research output: Contribution to journalArticle

    Open Access
    File
    phase conjugation
    Kerr effects
    compensators
    nonlinearity
    Open Access
    File
    aeroservoelasticity
    Pumps
    pumps
    broadband
    Semiconductor lasers

    Low transmission penalty dual-stage broadband discrete Raman amplifier

    Krzczanowicz, L., Iqbal, M. A., Phillips, I. D., Tan, M., Skvortcov, P., Harper, P. & Forysiak, W., 8 Mar 2018, In : Optics Express. 26, 6, p. 7091-7097

    Research output: Contribution to journalArticle

    Open Access
    File
    penalties
    amplifiers
    broadband
    quadrature phase shift keying
    nonlinearity
    Open Access
    File
    penalties
    amplifiers
    fibers
    Fibers
    quadrature phase shift keying
    Open Access
    File
    noise intensity
    amplifiers
    pumps
    pumping
    broadband
    2017

    Experimental Analysis of Nonlinear Impairments in Fibre Optic Transmission Systems up to 7.3 THz

    Saavedra Mondaca, G., Tan, M., Elson, D. J., Galdino, L., Semrau, D., Iqbal, M. A., Phillips, I. D., Harper, P., MacSuibhne, N., Ellis, A. D., Lavery, D., Thomsen, B. C., Killey, R. I. & Bayvel, P., 5 Oct 2017, In : Journal of Lightwave Technology. 35, 21, p. 4809 - 4816

    Research output: Contribution to journalArticle

    Open Access
    File
    impairment
    fiber optics
    bandwidth
    interference
    quadrature amplitude modulation

    Noise and transmission performance improvement of broadband distributed Raman amplifier using bidirectional Raman pumping with dual order co-pumps

    Iqbal, M. A., Tan, M., Krzczanowicz, L., El-Taher, A., Forysiak, W., Ania-Castañón, J. D. & Harper, P., 24 Oct 2017, In : Optics Express. 25, 22, p. 27533-27542 10 p.

    Research output: Contribution to journalArticle

    Open Access
    File
    pumping
    amplifiers
    pumps
    broadband
    counters

    Performance optimization in ultra-long Raman laser amplified 10x30 GBaud DP-QPSK transmission: Balancing RIN and ASE noise

    Gallazzi, F., Rizzelli, G., Iqbal, M. A., Tan, M., Harper, P. & Ania-Castañón, J. D., 24 Aug 2017, In : Optics Express. 25, 18, p. 21454-21459 6 p.

    Research output: Contribution to journalArticle

    Open Access
    File
    aeroservoelasticity
    quadrature phase shift keying
    Raman lasers
    optimization
    pumps
    Open Access
    File
    Pumps
    pumps
    broadband
    augmentation
    aeroservoelasticity
    2016

    4 Tb/s transmission reach enhancement using 10 × 400 Gb/s super-channels and polarization insensitive dual band optical phase conjugation

    Ellis, A. D., Tan, M., Iqbal, M. A., Al-Khateeb, M. A. Z., Gordienko, V., Saavedra Mondaca, G., Fabbri, S., Stephens, M. F. C., McCarthy, M. E., Perentos, A., Phillips, I. D., Lavery, D., Liga, G., Maher, R., Harper, P., Doran, N., Turitsyn, S. K., Sygletos, S. & Bayvel, P., 15 Apr 2016, In : Journal of Lightwave Technology. 34, 8, p. 1717-1723 7 p.

    Research output: Contribution to journalArticle

    Open Access
    File
    phase conjugation
    augmentation
    polarization
    asymmetry

    Impact of input FBG reflectivity and forward pump power on RIN transfer in ultralong Raman laser amplifiers

    Rizzelli, G., Iqbal, M. A., Gallazzi, F., Rosa, P., Tan, M., Ania-Castañón, J. D., Krzczanowicz, L., Corredera, P., Phillips, I., Forysiak, W. & Harper, P., 12 Dec 2016, In : Optics Express. 24, 25, p. 29170-29175 6 p.

    Research output: Contribution to journalArticle

    Open Access
    File
    Raman lasers
    amplifiers
    pumps
    reflectance
    quadrature phase shift keying

    Transmission performance improvement using random DFB laser based Raman amplification and bidirectional second-order pumping

    Tan, M., Rosa, P., Le, S. T., Iqbal, M. A., Phillips, I. D. & Harper, P., 8 Feb 2016, In : Optics Express. 24, 3, p. 2215-2221 7 p.

    Research output: Contribution to journalArticle

    Open Access
    File
    distributed feedback lasers
    pumping
    quadrature phase shift keying
    phase conjugation
    noise intensity