Photo of Nick Doran
    • School of Engineering and Applied Science, Aston University

      B4 7ET Birmingham

      United Kingdom

    1992 …2019
    If you made any changes in Pure these will be visible here soon.

    Research Output 1992 2019

    Filter
    Article
    2017

    20 dB net-gain polarization-insensitive fiber optical parametric amplifier with >2 THz bandwidth

    Stephens, M. F. C., Gordienko, V. & Doran, N. J., 1 May 2017, In : Optics Express. 25, 9, p. 10597-10609 13 p.

    Research output: Contribution to journalArticle

    Open Access
    File
    parametric amplifiers
    light amplifiers
    bandwidth
    fibers
    polarization

    Access and metro network convergence for flexible end-to-end network design [invited]

    Ruffini, M., Achouche, M., Arbelaez, A., Bonk, R., di Giglio, A., Doran, N. J., Furdek, M., Jensen, R., Montalvo, J., Parsons, N., Pfeiffer, T., Quesada, L., Raack, C., Rohde, H., Schiano, M., Talli, G., Townsend, P., Wessaly, R., Wosinska, L., Yin, X. & 1 others, Payne, D. B., 1 Jun 2017, In : Journal of Optical Communications and Networking. 9, 6, p. 524-535 12 p.

    Research output: Contribution to journalArticle

    Open Access
    Testbeds
    Consolidation
    Demonstrations
    Network protocols
    Costs

    Blind nonlinearity equalization by machine learning based clustering for single- and multi-channel coherent optical OFDM

    Giacoumidis, E., Matin, A., Wei, J., Doran, N. J., Barry, L. P. & Wang, X., 1 Dec 2017, In : Journal of Lightwave Technology. 36, 3, p. 721-727

    Research output: Contribution to journalArticle

    Open Access
    File
    machine learning
    nonlinearity
    logic
    quadrature phase shift keying
    Q factors

    Broadband gain-spectrum measurement for fiber optical parametric and Raman amplifiers

    Gordienko, V., Stephens, M. F. C. & Doran, N. J., 15 Aug 2017, In : IEEE Photonics Technology Letters. 29, 16, p. 1399-1402 4 p.

    Research output: Contribution to journalArticle

    Open Access
    File
    parametric amplifiers
    light amplifiers
    Optical fibers
    amplifiers
    Optical parametric amplifiers

    In-line and cascaded DWDM transmission using a 15dB net-gain polarization-insensitive fiber optical parametric amplifier

    Stephens, M. F. C., Tan, M., Gordienko, V., Harper, P. & Doran, N. J., 25 Sep 2017, In : Optics Express. 25, 20, p. 24312-24325

    Research output: Contribution to journalArticle

    Open Access
    File
    parametric amplifiers
    light amplifiers
    fibers
    polarization
    division

    Reduction of Nonlinear Intersubcarrier Intermixing in Coherent Optical OFDM by a Fast Newton-Based Support Vector Machine Nonlinear Equalizer

    Giacoumidis, E., Mhatli, S., Stephens, M. F. C., Tsokanos, A., Wei, J., McCarthy, M. E., Doran, N. J. & Ellis, A. D., 7 Mar 2017, In : Journal of Lightwave Technology. 35, 12, p. 2391-2397 7 p., 7874191.

    Research output: Contribution to journalArticle

    Open Access
    File
    newton
    nonlinearity
    frequency division multiplexing
    classifiers
    crosstalk

    Ultra-flat wideband single-pump Raman-enhanced parametric amplification

    Gordienko, V., Stephens, M. F. C., El-Taher, A. E. & Doran, N. J., 6 Mar 2017, In : Optics Express. 25, 5, p. 4810-4818 9 p.

    Research output: Contribution to journalArticle

    Open Access
    File
    pumps
    broadband
    bandwidth
    fibers
    quadrature phase shift keying
    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

    Suppression of WDM four-wave mixing crosstalk in fibre optic parametric amplifier using Raman-assisted pumping

    Redyuk, A., Stephens, M. F. C. & Doran, N. J., 19 Oct 2016, In : Optics Express. 23, 21, 10 p.

    Research output: Contribution to journalArticle

    Open Access
    File
    parametric amplifiers
    crosstalk
    four-wave mixing
    fiber optics
    pumping
    2015

    Artificial neural network nonlinear equalizer for coherent optical OFDM

    Jarajreh, M. A., Giacoumidis, E., Aldaya, I., Le, S. T., Tsokanos, A., Ghassemlooy, Z. & Doran, N. J., 15 Feb 2015, In : IEEE Photonics Technology Letters. 27, 4, p. 387-390 17 p.

    Research output: Contribution to journalArticle

    Equalizers
    Orthogonal frequency division multiplexing
    Neural networks
    frequency division multiplexing
    transfer functions

    Demonstration of phase-conjugated subcarrier coding for fiber nonlinearity compensation in CO-OFDM transmission

    Le, S. T., McCarthy, M. E., Suibhne, N. M., Al-Khateeb, M. A. Z., Giacoumidis, E., Doran, N., Ellis, A. D. & Turitsyn, S. K., 1 Jun 2015, In : Journal of Lightwave Technology. 33, 11, p. 2206-2212 7 p.

    Research output: Contribution to journalArticle

    Open Access
    File
    frequency division multiplexing
    coding
    nonlinearity
    fibers
    binary phase shift keying

    Fiber nonlinearity-induced penalty reduction in CO-OFDM by ANN-based nonlinear equalization

    Giacoumidis, E., Le, S. T., Ghanbarisabagh, M., McCarthy, M., Aldaya, I., Mhatli, S., Jarajreh, M. A., Haigh, P. A., Doran, N. J., Ellis, A. D. & Eggleton, B. J., 30 Oct 2015, In : Optics Letters. 40, 21, p. 5113-5116 4 p.

    Research output: Contribution to journalArticle

    penalties
    nonlinearity
    Q factors
    fibers
    quadrature amplitude modulation

    Improved WDM performance of a fibre optical parametric amplifier using Raman-assisted pumping

    Stephens, M. F. C., Phillips, I. D., Rosa, P., Harper, P. & Doran, N. J., 14 Jan 2015, In : Optics Express. 23, 2, p. 902-911 10 p.

    Research output: Contribution to journalArticle

    Open Access
    parametric amplifiers
    light amplifiers
    pumping
    fibers
    pumps
    2014

    1.14Tb/s DP-QPSK WDM polarization-diverse optical phase conjugation

    Stephens, M. F. C., Tan, M., Phillips, I. D., Sygletos, S., Harper, P. & Doran, N. J., 19 May 2014, In : Optics Express. 22, 10, p. 11840-11848 9 p.

    Research output: Contribution to journalArticle

    Open Access
    File
    quadrature phase shift keying
    optical polarization
    phase conjugation
    polarization
    penalties

    Comparison of bit error rate estimation methods for QPSK CO-OFDM transmission

    Le, T. S., McCarthy, M. E., Suibhne, N. M., Giacoumidis, E., Doran, N. J., Ellis, A. D. & Blow, K. J., 15 Nov 2014, In : IEEE Photonics Technology Letters. 26, 22, p. 2244-2247 4 p.

    Research output: Contribution to journalArticle

    Open Access
    File
    quadrature phase shift keying
    Quadrature phase shift keying
    Carbon Monoxide
    bit error rate
    Bit error rate

    DISCUS : an end-to-end solution for ubiquitous broadband optical access

    Ruffini, M., Wosinska, L., Achouche, M., Chen, J., Doran, N., Farjady, F., Montalvo, J., Ossieur, P., O'Sullivan, B., Parsons, N., Pfeiffer, T., Qiu, X-Z., Raack, C., Rohde, H., Schiano, M., Townsend, P., Wessäly, R., Yin, X. & Payne, D. B., 28 Feb 2014, In : IEEE Communications Magazine. 52, 2, p. S24-S32 9 p.

    Research output: Contribution to journalArticle

    Open Access
    File
    Costs
    Fibers
    Network architecture
    Telecommunication
    Optical fibers

    Dual-polarization multi-band optical OFDM transmission and transceiver limitations for up to 500 Gb/s uncompensated long-haul links

    Giacoumidis, E., Jarajreh, M. A., Sygletos, S., Le, S. T., Farjady, F., Tsokanos, A., Hamié, A., Pincemin, E., Jaouën, Y., Ellis, A. D. & Doran, N. J., 5 May 2014, In : Optics Express. 22, 9, p. 10975-10986 12 p.

    Research output: Contribution to journalArticle

    Open Access
    File
    transmitter receivers
    bit error rate
    phase shift keying
    polarization
    quadrature amplitude modulation

    Minimising total energy requirements in amplified links by optimising amplifier spacing

    Doran, N. J. & Ellis, A. D., 11 Aug 2014, In : Optics Express. 22, 16, p. 19810-19817 8 p.

    Research output: Contribution to journalArticle

    Open Access
    File
    energy requirements
    amplifiers
    spacing
    optimization
    signal to noise ratios

    Quasi-pilot aided phase noise estimation for coherent optical OFDM systems

    Le, S. T., Kanesan, T., Giacoumidis, E., Doran, N. J. & Ellis, A. D., 1 Mar 2014, In : IEEE Photonics Technology Letters. 26, 5, p. 504-507 4 p.

    Research output: Contribution to journalArticle

    Phase noise
    Orthogonal frequency division multiplexing
    frequency division multiplexing
    Polarization
    Computer simulation

    Timing and phase jitter suppression in coherent soliton transmission

    Yushko, O., Redyuk, A., Fedoruk, M., Blow, K. J., Doran, N. J., Ellis, A. D. & Turitsyn, S., 28 Aug 2014, In : Optics Letters. 39, 21, p. 6308-6311 4 p.

    Research output: Contribution to journalArticle

    solitary waves
    time measurement
    retarding
    vibration
    propagation

    Volterra-based reconfigurable nonlinear equalizer for coherent OFDM

    Giacoumidis, E., Aldaya, I., Jarajreh, M. A., Tsokanos, A., Le, S. T., Farjady, F., Jaouën, Y., Ellis, A. D. & Doran, N. J., 15 Jul 2014, In : IEEE Photonics Technology Letters. 26, 14, p. 1383-1386 4 p.

    Research output: Contribution to journalArticle

    frequency division multiplexing
    Equalizers
    Orthogonal frequency division multiplexing
    Polarization
    polarization
    2013

    Performance enhancement of asymmetric filtered 40 Gb/s carrier suppressed return to zero-differential phase shift keying receiver in a 50 GHz grid

    Olubodun, O. A., Murray, N. J., Harper, P. & Doran, N. J., 21 May 2013, In : IET Optoelectronics. 7, 1, p. 14-19 6 p.

    Research output: Contribution to journalArticle

    phase shift keying
    Chromatic dispersion
    Optical filters
    Spontaneous emission
    Phase shift keying
    2012

    Fiber optical parametric amplifier performance in a 1-Tb/s DWDM communication system

    El Dahdah, N., Govan, D. S., Jamshidifar, M., Doran, N. J. & Marhic, M. E., Mar 2012, In : IEEE Journal of Selected Topics in Quantum Electronics. 18, 2, p. 950-957 8 p.

    Research output: Contribution to journalArticle

    Optical parametric amplifiers
    Dense wavelength division multiplexing
    parametric amplifiers
    light amplifiers
    telecommunication
    2011

    Characterization of asymmetric filtered 40 Gb/s RZ-DPSK system-strong filtering considerations

    Olubodun, O. & Doran, N., 15 Oct 2011, In : Optics Communications. 284, 22, p. 5259-5262 4 p.

    Research output: Contribution to journalArticle

    Optical filters
    optical filters
    penalties
    filters
    2010

    1-Tb/s DWDM long-haul transmission employing a fiber optical parametric amplifier

    El Dahdah, N., Govan, D. S., Jamshidifar, M., Doran, N. J. & Marhic, M. E., 1 Aug 2010, In : IEEE Photonics Technology Letters. 22, 15, p. 1171-1173 3 p.

    Research output: Contribution to journalArticle

    Optical parametric amplifiers
    parametric amplifiers
    light amplifiers
    division
    amplifiers

    Cost-effective upgrade of WDM all-optical networks using overlay fibres and hop reduction links

    Farjady, F., Kim, K. S. J., El Dahdah, N. & Doran, N. J., Oct 2010, In : European Transactions on Telecommunications. 21, 6, p. 563-566 4 p.

    Research output: Contribution to journalArticle

    Fiber optic networks
    Wavelength division multiplexing
    Wavelength
    Fibers
    Costs
    2007

    An RZ DPSK receiver design with significantly improved dispersion tolerance

    Govan, D. S. & Doran, N., 10 Dec 2007, In : Optics Express. 15, 25, p. 16916-16921 6 p.

    Research output: Contribution to journalArticle

    Open Access
    File
    receivers
    optical filters
    Mach-Zehnder interferometers
    optimization
    2001

    Trans-oceanic 160-Gb/s single-channel transmission using short-period dispersion management

    Richardson, L. J., Forysiak, W. & Doran, N. J., Mar 2001, In : IEEE Photonics Technology Letters. 13, 3, p. 209-211 3 p.

    Research output: Contribution to journalArticle

    Polarization mode dispersion
    Jitter
    active control
    polarization
    continuous radiation
    2000

    Dispersion-managed soliton propagation in short-period dispersion maps

    Richardson, L. J., Forysiak, W. & Doran, N., 15 Jul 2000, In : Optics Letters. 25, 14, p. 1010-1012 3 p.

    Research output: Contribution to journalArticle

    solitary waves
    propagation
    amplifiers
    augmentation
    spacing
    1999

    1000 Km transmission of 40 Gbit/s single channel RZ data over dispersion managed standard (non-dispersion shifted) fibre

    Alleston, S. B., Harper, P., Penketh, I. S., Bennion, I., Doran, N. J. & Ellis, A. D., 13 May 1999, In : Electronics letters. 35, 10, p. 823-824 2 p., 6278015 .

    Research output: Contribution to journalArticle

    Fibers
    Light polarization

    10Gbit/s dispersion managed soliton transmission over 16,500km in standard fibre by reduction of soliton interactions

    Penketh, I. S., Harper, P., Alleston, S. B., Bennion, I. & Doran, N., Jun 1999, In : Optics Letters. 24, 12, p. 802-804 3 p.

    Research output: Contribution to journalArticle

    solitary waves
    fibers
    amplifiers
    interactions
    propagation

    40 Gbit/s dispersion managed soliton transmission over 1160 km in standard fibre with 75 km span length

    Harper, P., Alleston, S. B., Bennion, I. & Doran, N., 25 Nov 1999, In : Electronics letters. 35, 24, p. 2128-2130 3 p.

    Research output: Contribution to journalArticle

    Wave transmission
    Solitons
    Fibers
    Experiments

    40Gbit/s single channel dispersion managed pulse propagation in standard fibre over 509km

    Alleston, S. B., Harper, P., Penketh, I. S., Bennion, I. & Doran, N., 7 Jan 1999, In : Electronics letters. 35, 1, p. 57-59 3 p.

    Research output: Contribution to journalArticle

    Fibers
    Light polarization
    1998

    10Gbit/s dispersion managed soliton propagation over 200Mm without active control

    Harper, P., Penketh, I. S., Alleston, S. B., Bennion, I. & Doran, N. J., 15 Oct 1998, In : Electronics letters. 34, 21, p. 1997-1999 3 p.

    Research output: Contribution to journalArticle

    Timing jitter
    Solitons
    Wave propagation
    Polarization

    Drop and insert multiplexing with simultaneous clock recovery using an electroabsorption modulator

    Phillips, I., Gloag, A., Moodie, D. G., Doran, N., Bennion, I. & Ellis, A., Feb 1998, In : IEEE Photonics Technology Letters. 10, 2, p. 291-293 3 p.

    Research output: Contribution to journalArticle

    Electroabsorption modulators
    time division multiplexing
    Time division multiplexing
    inserts
    multiplexing

    Energy enhancement of dispersion-managed solitons and WDM

    Nijhof, J. H. B., Doran, N., Forysiak, W. & Berntson, A., 5 Mar 1998, In : Electronics letters. 34, 5, p. 481-482 2 p.

    Research output: Contribution to journalArticle

    Solitons
    Wavelength division multiplexing

    Long-distance 40-Gbit/s soliton transmission over standard fiber by use of dispersion management

    Govan, D. S., Forysiak, W. & Doran, N., 1 Oct 1998, In : Optics Letters. 23, 19, p. 1523-1525 3 p.

    Research output: Contribution to journalArticle

    solitary waves
    fibers
    pulses
    energy
    simulation

    Power dependence of dispersion-managed solitons for anomalous, zero, and normal path-average dispersion

    Berntson, A., Doran, N. J., Forysiak, W. & Nijhof, J. H. B., 15 Jun 1998, In : Optics Letters. 23, 12, p. 900-902 3 p.

    Research output: Contribution to journalArticle

    solitary waves
    simulation

    Simultaneous demultiplexing and clock recovery using a single electroabsorption modulator in a novel bi-directional configuration

    Phillips, I., Gloag, A., Moodie, D. G., Doran, N., Bennion, I. & Ellis, A., 1 May 1998, In : Optics Communications. 150, 1-6, p. 101-105 5 p.

    Research output: Contribution to journalArticle

    Electroabsorption modulators
    Demultiplexing
    demultiplexing
    Phase locked loops
    clocks

    Soliton collisions with wavelength-division multiplexed systems with strong dispersion management

    Niculae, A. M., Forysiak, W., Gloag, A. J., Nijhof, J. H. B. & Doran, N., Sep 1998, In : Optics Letters. 23, 17, p. 1354-1356 3 p.

    Research output: Contribution to journalArticle

    division
    solitary waves
    collisions
    wavelengths
    frequency shift
    1997

    Simultaneous demultiplexing, data regeneration, and clock recovery with a single semiconductor optical amplifier-based nonlinear-optical loop mirror

    Phillips, I., Gloag, A., Kean, P. N., Doran, N., Bennion, I. & Ellis, A., Sep 1997, In : Optics Letters. 22, 17, p. 1326-1328 3 p.

    Research output: Contribution to journalArticle

    Open Access
    File
    demultiplexing
    regeneration
    light amplifiers
    clocks
    recovery

    Simultaneous two-channel OTDM demultiplexing using a single electroabsorption modulator in a novel bidirectional configuration

    Phillips, I. D., Gloag, A., Moodie, D. G., Doran, N. J., Bennion, I. & Ellis, A., Oct 1997, In : Electronics letters. 33, 21, p. 1811-1812 2 p.

    Research output: Contribution to journalArticle

    Electroabsorption modulators
    Demultiplexing

    Soliton collisions in dispersion-managed wavelength-division-multiplexed systems

    Devaney, J. F. L., Forysiak, W., Niculae, A. M. & Doran, N. J., 15 Nov 1997, In : Optics Letters. 22, 22, p. 1695-1697 3 p.

    Research output: Contribution to journalArticle

    division
    solitary waves
    oscillations
    frequency shift
    collisions

    Soliton transmission using periodic dispersion compensation

    Smith, N. J., Doran, N. J., Forysiak, W. & Knox, F. M., Oct 1997, In : Journal of Lightwave Technology. 15, 10, p. 1808-1822 15 p.

    Research output: Contribution to journalArticle

    Dispersion compensation
    Wave transmission
    Solitons
    solitary waves
    Amplification

    Stable propagation of solitons with increased energy through the combined action of dispersion management and periodic saturable absorption

    Govan, D. S., Smith, N. J., Knox, F. M. & Doran, N., Nov 1997, In : Journal of the Optical Society of America B. 14, 11, p. 2960-2966 7 p.

    Research output: Contribution to journalArticle

    solitary waves
    propagation
    energy
    pulses
    wavelengths

    Stable soliton-like propagation in dispersion managed systems with net anomalous, zero and normal dispersion

    Nijhof, J. H. B., Doran, N. J., Forysiak, W. & Knox, F. M., 25 Sep 1997, In : Electronics letters. 33, 20, p. 1726-1727 2 p.

    Research output: Contribution to journalArticle

    Solitons
    Wave propagation
    1996

    Compensating for dispersion and nonlinear Kerr effect without phase conjugation

    Paré, C., Villeneuve, A., Belanger, P. A. & Doran, N., 1 Apr 1996, In : Optics Letters. 21, 7, p. 459-461 3 p.

    Research output: Contribution to journalArticle

    phase conjugation
    Kerr effects
    pulses
    optical fibers
    refractivity

    Fiber Bragg grating fabrication for dispersion slope compensation

    Williams, J. A. R., Everall, L. A., Bennion, I. & Doran, N., Sep 1996, In : IEEE Photonics Technology Letters. 8, 9, p. 1187-1189 3 p.

    Research output: Contribution to journalArticle

    Fiber Bragg gratings
    Bragg gratings
    slopes
    Fabrication
    fabrication

    Modulational instabilities in fibres with periodic dispersion

    Smith, N. J. & Doran, N., 15 Apr 1996, In : Optics Letters. 21, 8, p. 570-572 3 p.

    Research output: Contribution to journalArticle

    fibers
    group velocity
    optical communication
    occurrences
    bandwidth

    Optical networks to span the globe

    Doran, N. & Bennion, I., Nov 1996, In : Physics World. 9, 11, p. 35-40 6 p.

    Research output: Contribution to journalArticle

    globes
    light amplifiers
    planets
    amplifiers
    optical fibers