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Article

Donodin, Aleksandr, Hazarika, Pratim, Tan, Mingming, Pratiwi, Dini, Noor, Shabnam, Phillips, Ian, Harper, Paul and Forysiak, Wladek (2024). Experimental comparison of E-band BDFA and Raman amplifier performance over 50 km G.652.D fiber using 30 GBaud DP-16-QAM and DP-64-QAM signals. Optics Letters, 49 (6), pp. 1429-1432.

Donodin, Aleksandr, London, Elliot, Correia, Bruno, Virgillito, Emanuele, Tan, Mingming, Hazarika, Pratim, Phillips, Ian, Harper, Paul, Turitsyn, Sergei K., Curri, Vittorio and Forysiak, Wladek (2023). Multi-band ESCL transmission supported by bismuth-doped and Raman fiber amplification. Journal of Lightwave Technology ,

Hazarika, Pratim, Buglia, Henrique, Jarmolovičius, Mindaugas, Sillekens, Eric, Tan, Mingming, Donodin, Aleksandr, Phillips, Ian, Harper, Paul, Killey, Robert I., Bayvel, Polina and Forysiak, Wladek (2023). Multi-band Transmission over E-, S-, C- and L-band with a Hybrid Raman Amplifier. Journal of Lightwave Technology , pp. 1-10.

Hazarika, Pratim, Tan, Mingming, Donodin, Aleksandr, Patel, Mohammad, Phillips, Ian, Harper, Paul and Forysiak, Wladek (2022). Ultra-wideband discrete Raman amplifier optimization for single-span S-C-L-band coherent transmission systems. Optics Letters, 47 (24),

Hazarika, Pratim, Tan, Mingming, Donodin, Aleksandr, Noor, Shabnam, Phillips, Ian, Harper, Paul, Stone, Jeffery S., Li, Ming Jun and Forysiak, Wladek (2022). E-, S-, C- and L-band coherent transmission with a multistage discrete Raman amplifier. Optics Express, 30 (24), pp. 43118-43126.

Hazarika, Pratim, Tan, Mingming, Iqbal, Md Asif, Phillips, Ian, Harper, Paul, Stone, Jeffery S., Li, Ming Jun and Forysiak, Wladek (2022). Performance evaluation of discrete Raman amplifiers in coherent transmission systems. Optics Express, 30 (24), pp. 43053-43061.

Donodin, Aleksandr, Tan, Mingming, Hazarika, Pratim, Dvoyrin, Vladislav, Phillips, Ian, Harper, Paul, Turitsyn, Sergei K. and Forysiak, Wladek (2022). 30-GBaud DP 16-QAM transmission in the E-band enabled by bismuth-doped fiber amplifiers. Optics Letters, 47 (19), pp. 5152-5155.

Tan, Mingming, Iqbal, Md Asif, Nguyen, Tu T., Rosa, Paweł, Krzczanowicz, Lukasz, Phillips, Ian, Harper, Paul and Forysiak, Wladek (2021). Raman amplification optimization in short-reach high data rate coherent transmission systems. Sensors, 21 (19),

Hazarika, Pratim, Tan, Mingming, Iqbal, Md Asif, Krzczanowicz, Lukasz, Ali, Abdallah A.I., Phillips, Ian, Harper, Paul and Forysiak, Wladek (2021). RIN induced penalties in G.654.E and G.652.D based distributed Raman amplifiers for coherent transmission systems. Optics Express, 29 (20), pp. 32081-32088.

Nguyen, Thanh Tu, Zhang, Tingting, Giacoumidis, Elias, Ali, Abdallah, Tan, Mingming, Harper, Paul, Barry, Liam P. and Ellis, Andrew D. (2021). Coupled Transceiver-Fiber Nonlinearity Compensation Based on Machine Learning for Probabilistic Shaping System. Journal of Lightwave Technology, 39 (2), pp. 388-399.

Krzczanowicz, Lukasz, Iqbal, Md Asif, Phillips, Ian, Harper, Paul and Forysiak, Wladek (2020). High-capacity multi-span transmission performance characterization of broadband discrete Raman amplifier. Optics Express, 28 (12), pp. 18296-18303.

Iqbal, Md Asif, Di Rosa, Gabriele, Krzczanowicz, Lukasz, Phillips, Ian, Harper, Paul, Richter, André and Forysiak, Wladek (2020). Impact of pump-signal overlap in S+C+L band discrete Raman amplifiers. Optics Express, 28 (12), pp. 18440-18448.

Iqbal, Md Asif, Al-Khateeb, Mohammad A.Z., Krzczanowicz, Lukasz, Phillips, Ian D., Harper, Paul and Forysiak, Wladek (2019). Linear and Nonlinear Noise Characterisation of Dual Stage Broadband Discrete Raman Amplifiers. Journal of Lightwave Technology, 37 (14), pp. 3679-3688.

Krzczanowicz, Lukasz, Iqbal, Md Asif, Phillips, Ian D, Al-Khateeb, Mohammad, Tan, Mingming, Harper, Paul and Forysiak, Wladek (2018). Nonlinear Noise of Low Transmission Penalty Dual-Stage Discrete Raman Amplifier. IEEE Photonics Technology Letters, 30 (23), 2076 - 2079.

Al-Khateeb, Mohammad, Tan, Mingming, Iqbal, Mohammed, Ali, Abdallah, McCarthy, Mary E., Harper, Paul and Ellis, Andrew D. (2018). Experimental demonstration of 72% reach enhancement of 3.6Tbps optical transmission system using mid-link Optical Phase Conjugation. Optics Express, 26 (18), pp. 23960-23968.

Iqbal, Md Asif, Tan, Mingming and Harper, Paul (2018). On the Mitigation of RIN Transfer and Transmission Performance Improvement in Bidirectional Distributed Raman Amplifiers. Journal of Lightwave Technology, 36 (13), pp. 2611-2618.

Iqbal, Md Asif, Tan, Mingming and Harper, Paul (2018). Enhanced Transmission Performance Using Backward-Propagated Broadband ASE Pump. IEEE Photonics Technology Letters, 30 (9), pp. 865-868.

Krzczanowicz, Lukasz, Iqbal, Md Asif, Phillips, Ian D, Tan, Mingming, Skvortcov, Pavel, Harper, Paul and Forysiak, Wladek (2018). Low transmission penalty dual-stage broadband discrete Raman amplifier. Optics Express, 26 (6), pp. 7091-7097.

Tan, M., Rosa, P., Le, S. T., Dvoyrin, V. V., Iqbal, Md. A., Sugavanam, S., Turitsyn, S. K. and Harper, P. (2018). RIN Mitigation and Transmission Performance Enhancement with Forward Broadband Pump. IEEE Photonics Technology Letters, 30 (3), pp. 254-257.

Al-Khateeb, Mohammad, Iqbal, Md Asif, Tan, Mingming, Ali, Abdallah, McCarthy, Mary E., Harper, Paul and Ellis, Andrew D. (2018). Analysis of the nonlinear Kerr effects in optical transmission systems that deploy optical phase conjugation. Optics Express, 26 (3),

Iqbal, Md Asif, Tan, Mingming, Krzczanowicz, Lukasz, El-Taher, Atalla, Forysiak, Wladek, Ania-Castañón, Juan Diego and Harper, Paul (2017). Noise and transmission performance improvement of broadband distributed Raman amplifier using bidirectional Raman pumping with dual order co-pumps. Optics Express, 25 (22), pp. 27533-27542.

Saavedra Mondaca, Gabriel, Tan, Mingming, Elson, Daniel J., Galdino, Lidia, Semrau, Daniel, Iqbal, Md Asif, Phillips, Ian D, Harper, Paul, MacSuibhne, Naoise, Ellis, Andrew D., Lavery, Domaniç, Thomsen, Benn C., Killey, Robert I. and Bayvel, Polina (2017). Experimental Analysis of Nonlinear Impairments in Fibre Optic Transmission Systems up to 7.3 THz. Journal of Lightwave Technology, 35 (21), 4809 - 4816.

Stephens, M. F. C., Tan, M., Gordienko, V., Harper, P. and Doran, N. J. (2017). In-line and cascaded DWDM transmission using a 15dB net-gain polarization-insensitive fiber optical parametric amplifier. Optics Express, 25 (20), pp. 24312-24325.

Gallazzi, Francesca, Rizzelli, Giuseppe, Iqbal, Md Asif, Tan, Mingming, Harper, Paul and Ania-Castañón, Juan Diego (2017). Performance optimization in ultra-long Raman laser amplified 10x30 GBaud DP-QPSK transmission:Balancing RIN and ASE noise. Optics Express, 25 (18), pp. 21454-21459.

Rizzelli, Giuseppe, Iqbal, Md Asif, Gallazzi, Francesca, Rosa, Paweł, Tan, Mingming, Ania-Castañón, Juan Diego, Krzczanowicz, Lukasz, Corredera, Pedro, Phillips, Ian, Forysiak, Wladek and Harper, Paul (2016). Impact of input FBG reflectivity and forward pump power on RIN transfer in ultralong Raman laser amplifiers. Optics Express, 24 (25), pp. 29170-29175.

Le, Son Thai, Phillips, Ian D., Prilepsky, Jaroslaw E., Harper, Paul, Ellis, Andrew D and Turitsyn, Sergei K. (2016). Demonstration of nonlinear inverse synthesis transmission over transoceanic distances. Journal of Lightwave Technology, 34 (10), pp. 2459-2466.

Galdino, Lidia, Tan, Mingming, Alvarado, Alex, Lavery, Domaniç, Rosa, Paweł, Maher, Robert, Ania-Castañón, Juan Diego, Harper, Paul, Makovejs, Sergejs, Thomsen, Benn C. and Bayvel, Polina (2016). Amplification schemes and multi-channel DBP for unrepeatered transmission. Journal of Lightwave Technology, 34 (9), pp. 2221-2227.

Ellis, Andrew D., Tan, Mingming, Iqbal, Md Asif, Al-Khateeb, Mohammad Ahmad Zaki, Gordienko, Vladimir, Saavedra Mondaca, Gabriel, Fabbri, Simon, Stephens, Marc F.C., McCarthy, Mary E., Perentos, Andreas, Phillips, Ian David, Lavery, Domaniç, Liga, Gabriele, Maher, Robert, Harper, Paul, Doran, Nick, Turitsyn, Sergei K., Sygletos, Stylianos and Bayvel, Polina (2016). 4 Tb/s transmission reach enhancement using 10 × 400 Gb/s super-channels and polarization insensitive dual band optical phase conjugation. Journal of Lightwave Technology, 34 (8), pp. 1717-1723.

Tan, M., Rosa, P., Le, S.T., Iqbal, Md.A., Phillips, I.D. and Harper, P. (2016). Transmission performance improvement using random DFB laser based Raman amplification and bidirectional second-order pumping. Optics Express, 24 (3), pp. 2215-2221.

Rosa, Paweł, Rizzelli, Giuseppe, Tan, Mingming, Harper, Paul and Ania-Castañón, Juan Diego (2015). Characterisation of random DFB Raman laser amplifier for WDM transmission. Optics Express, 23 (22), pp. 28634-28639.

Tan, Mingming, Rosa, Paweł, Le, Thai Son, Phillips, Ian D. and Harper, Paul (2015). Evaluation of 100G DP-QPSK long-haul transmission performance using second order co-pumped Raman laser based amplification. Optics Express, 23 (17), pp. 22181-22189.

Rosa, Pawel, Tan, Mingming, Le, Son Thai, Philips, Ian D., Ania-Castañón, Juan Diego, Sygletos, Stylianos and Harper, Paul (2015). Unrepeatered DP-QPSK transmission over 352.8 km SMF using random DFB fiber laser amplification. IEEE Photonics Technology Letters, 27 (11), pp. 1189-1192.

Stephens, M.F.C., Tan, M., Phillips, I.D., Sygletos, S., Harper, P. and Doran, N.J. (2014). 1.14Tb/s DP-QPSK WDM polarization-diverse optical phase conjugation. Optics Express, 22 (10), pp. 11840-11848.

Rosa, P., Ania-Castañón, J.-D. and Harper, P. (2014). Unrepeatered DPSK transmission over 360 km SMF-28 fibre using URFL based amplification. Optics Express, 22 (8), pp. 9687-9692.

Bednyakova, A.E., Fedoruk, M.P., Harper, P. and Turitsyn, S.K. (2013). Hybrid gain-flattened and reduced power excursion scheme for distributed Raman amplification. Optics Express, 21 (24), pp. 29140-29144.

Xiang, Lian, Harper, Paul and Zhang, Xiaoping (2013). Advanced perturbation technique for digital backward propagation in WDM systems. Optics Express, 21 (11), pp. 13607-13616.

Preciado, Miguel A., Shu, Xuewen, Harper, Paul and Sugden, Kate (2013). Experimental demonstration of an optical differentiator based on a fiber Bragg grating in transmission. Optics Letters, 38 (6), pp. 917-919.

Turitsyna, Elena, Falkovich, Gregory, El-Taher, Atalla, Shu, Xuewen, Harper, Paul and Turitsyn, Sergei (2012). Optical turbulence and spectral condensate in long fibre lasers. Proceedings of the Royal Society: Series A, 468 (2145), pp. 2496-2508.

Churkin, Dmitry V., El-Taher, Atalla E., Vatnik, Ilya D., Ania-Castañón, Juan Diego, Harper, Paul, Podivilov, Eugeny V., Babin, Sergey A. and Turitsyn, Sergei K. (2012). Experimental and theoretical study of longitudinal power distribution in a random DFB fiber laser. Optics Express, 20 (10), pp. 11178-11188.

Alcon-Camas, M., El-Taher, Atalla, Wang, Hua, Harper, Paul, Karalekas, Vassilis, Harrison, James A. and Ania-Castañón, Juan D. (2009). Long-distance soliton transmission through ultralong fiber lasers. Optics Letters, 34 (20), pp. 3104-3106.

El-Taher, Atalla E., Ania-Castañón, Juan D., Karalekas, Vassilis and Harper, Paul (2009). High efficiency supercontinuum generation using ultra-long Raman fiber cavities. Optics Express, 17 (20), pp. 17909-17915.

Turitsyn, Sergei K., Ania-Castañón, Juan D., Babin, S.A., Karalekas, V, Harper, Paul, Churkin, D., Kablukov, S.I., El-Taher, Atalla, Podivilov, E.V. and Mezentsev, Vladimir (2009). 270-km ultralong raman fiber laser. Physical Review Letters, 103 (13), p. 133901.

Ania-Castañón, Juan D., Karalekas, Vassileios, Harper, Paul and Turitsyn, Sergei (2008). Simultaneous spatial and spectral transparency in ultralong fiber lasers. Physical Review Letters, 101 (12),

Babin, S.A., Karalekas, V., Podivilov, E.V., Mezentsev, Vladimir, Harper, Paul, Ania-Castañón, Juan D. and Turitsyn, Sergei K. (2008). Turbulent broadening of optical spectra in ultralong Raman fiber lasers. Physical Review A, 77 (3), 033803.

Karalekas, V., Ania-Castañón, Juan D., Pérez-González, J., Chen, Xianfeng F., Zhang, Lin and Harper, Paul (2007). Performance optimization of ultra-long Raman laser cavities for quasi-lossless transmission links. Optics communications, 277 (1), pp. 214-218.

Babin, S.A., Karalekas, V., Harper, P., Podivilov, E.V., Mezentsev, V.K., Ania-Castañón, J.D. and Turitsyn, S.K. (2007). Experimental demonstration of mode structure in ultralong Raman fiber lasers. Optics Letters, 32 (9), pp. 1135-1137.

Harper, Paul, Alleston, S.B., Bennion, Ian and Doran, Nick (1999). 40Gb/s dispersion managed soliton transmission over 1160km in standard fibre with a 75 km span length. Electronics letters, 35 (24), pp. 2128-2130.

Penketh, I S, Harper, Paul, Alleston, S B, Bennion, I and Doran, Nick (1999). 10Gbit/s dispersion managed soliton transmission over 16,500km in standard fibre by reduction of soliton interactions. Optics letters, 24 (12), pp. 802-804.

Knox, Finlay M., Harper, Paul, Kean, P.N., Doran, Nick and Bennion, Ian (1995). Low jitter, long distance pulse transmission near net fibre dispersion zero wavelength. Electronics letters, 31 (17), pp. 1467-1468.

Book Section

Iqbal, Md Asif, Krzczanowicz, Lukasz, Al-Khateeb, Mohammad, Phillips, Ian D, Tan, Mingming, Harper, Paul and Forysiak, Wladek (2018). Characterisation of Linear and Nonlinear Noise of a Dual-Stage Broadband Discrete Raman Amplifier. IN: 2018 European Conference on Optical Communication (ECOC). ITA: IEEE.

Iqbal, Md Asif, Tan, Mingming and Harper, Paul (2018). RIN Transfer Mitigation Technique Using Broadband Incoherent Pump in Distributed Raman Amplified Transmission Systems. IN: 2018 20th International Conference on Transparent Optical Networks (ICTON). 2018 20th International Conference on Transparent Optical Networks (ICTON) . IEEE.

Krzczanowicz, Lukasz, Iqbal, Md. Asif, Phillips, Ian, Tan, Mingming, Skvortcov, Pavel, Harper, Paul and Forysiak, Wladek (2018). Low penalty, dual stage, broadband discrete Raman amplifier for high capacity WDM metro networks. IN: Optical Fiber Communication Conference 2018. USA: Optical Society of America (OSA).

Iqbal, Md A., Harper, Paul and Tan, Mingming (2018). Transmission Performance Improvement Using Broadband Incoherent Counter-Pumped Distributed Raman Amplification. IN: Optical Fiber Communication Conference 2018. USA: Optical Society of America (OSA).

Tan, Mingming, Iqbal, Md Asif, Turitsyn, Sergei K. and Harper, Paul (2017). Mitigating RIN-penalty to enhance the transmission performance in distributed Raman amplification system. IN: 2017 Opto-Electronics and Communications Conference, OECC 2017 and Photonics Global Conference, PGC 2017. 2017 Opto-Electronics and Communications Conference (OECC) and Photonics Global Conference (PGC), 2017-N . SGP: IEEE.

Iqbal, Md Asif, Tan, Mingming, El-Taher, Atalla and Harper, Paul (2017). RIN and transmission performance improvement using second order and broadband first order forward Raman pumping. IN: 2017 Opto-Electronics and Communications Conference, OECC 2017 and Photonics Global Conference, PGC 2017. 2017 Opto-Electronics and Communications Conference (OECC) and Photonics Global Conference (PGC), 2017-N . SGP: IEEE.

Tan, Mingming, Iqbal, Md Asif, Krzczanowicz, Lukasz, Phillips, Ian D., El-Taher, Atalla, Forysiak, Wladek and Harper, Paul (2017). RIN-penalty mitigation and transmission performance improvement using forward propagated broadband first order Raman pump. IN: 2017 Opto-Electronics and Communications Conference, OECC 2017 and Photonics Global Conference, PGC 2017. 2017 Opto-Electronics and Communications Conference (OECC) and Photonics Global Conference (PGC), 2017-N . SGP: IEEE.

Krzczanowicz, Lukasz, Phillips, Ian, Iqbal, Md Asif, Tan, Mingming, Harper, Paul and Forysiak, Wladek (2017). Hybrid discrete Raman/EDFA design for broadband optical amplification in metro WDM systems. IN: ICTON 2017 - 19th International Conference on Transparent Optical Networks. ESP: IEEE.

Iqbal, Md Asif, Tan, Mingming, Krzczanowicz, Lukasz, Skvortcov, Pavel, El-Taher, Atalla, Philips, Ian D., Forysiak, Wladek, Ania-Castanon, Juan Diego and Harper, Paul (2017). Performance characterization of high gain, high output power and low noise cascaded broadband discrete Raman amplifiers. IN: ICTON 2017 - 19th International Conference on Transparent Optical Networks. ESP: IEEE.

Tan, Mingming, Rosa, Pawel, Iqbal, Md Asif, Le, Son Thai, Phillips, Ian D., Turitsyn, Sergei K. and Harper, Paul (2017). Raman fibre laser based amplification in long-haul/unrepeatered coherent transmission systems. IN: ICTON 2017 - 19th International Conference on Transparent Optical Networks. ESP: IEEE.

Iqbal, Md A., Martella, Giuseppe R., Gallazzi, Francesca, Tan, Mingming, Harper, Paul and Ania-Castañón, Juan Diego (2016). Performance improvement of broadband distributed Raman amplifier using bidirectional pumping with first and dual order forward pumps. IN: 2016 18th International Conference on Transparent Optical Networks (ICTON). Ferrari, M.; Dorosz, D. and Marciniak, M. (eds) ITA: IEEE.

Le, S.T., Phillips, I.D., Prilepsky, J.E., Harper, P., Doran, N.J., Ellis, A.D. and Turitsyn, S.K. (2016). First experimental demonstration of nonlinear inverse synthesis transmission over transoceanic distances. IN: Optical Fiber Communication Conference 2016. OSA Technical Digest . USA: Optical Society of America (OSA).

Ellis, A.D., Phillips, I.D., Tan, M., Stephens, M.F.C., McCarthy, M.E., Al Kahteeb, M.A.Z., Iqbal, M.A., Perentos, A., Fabbri, S., Gordienko, V., Lavery, D., Liga, G., Saavedra, M.G., Maher, R., Sygletos, S., Harper, P., Doran, N.J., Bayvel, P. and Turitsyn, S.K. (2015). Enhanced superchannel transmission using phase conjugation. IN: European Conference on Optical Communication, ECOC. ESP: IEEE.

Stephens, Marc F., Tan, Mingming, Phillips, Ian, Sygletos, Stylianos, Harper, Paul and Doran, Nick J. (2014). 1THz-bandwidth polarization-diverse optical phase conjugation of 10x114Gb/s DP-QPSK WDM signals. IN: Optical Fiber Communication Conference, OFC 2014. OSA technical digest . USA: Optical Society of America (OSA).

Phillips, Ian, Tan, Mingming, Stephens, Marc F., McCarthy, Mary, Giacoumidis, Elias, Sygletos, Stylianos, Rosa, Pawel, Fabbri, Simon, Le, Son T., Kanesan, Thavamaran, Turitsyn, Sergei K., Doran, Nick J., Harper, Paul and Ellis, Andrew D. (2014). Exceeding the nonlinear-shannon limit using raman laser based amplification and optical phase conjugation. IN: Optical Fiber Communication conference 2014. OSA technical digest . USA: Optical Society of America (OSA).

McCarthy, M.E., MacSuibhne, N., Le, S.T., Harper, P. and Ellis, A.D. (2014). High spectral efficiency transmission emulation for non-linear transmission performance estimation for high order modulation formats. IN: European Conference on Optical Communication, ECOC. FRA: IEEE.

Ellis, A.D., McCarthy, M.E., Lavery, D., MacSuibhne, N., Sygletos, S., Savory, S., Thomsen, B., Killey, R., Bayvel, P. and Harper, P. (2014). Real time 100 Gbit/s electrical Nyquist WDM transmitter. IN: ICTON 2014 : 16th international conference on transparent optical networks. Jaworski, Marek and Marciniak, Marian (eds) AUT: National Institute of Telecommunications.

Tan, Mingming, Rosa, Pawel, Phillips, Ian D., Stephens, M.F.C., Sygletos, Stylianos, Ellis, Andrew and Harper, Paul (2014). Transmission comparison of ultra-long Raman fibre laser based amplification with first and dual order Raman amplification using 10×118 Gbit/s DP-QPSK. IN: ICTON 2014 : 16th international conference on transparent optical networks. Jaworski, Marek and Marciniak, Marian (eds) AUT: National Institute of Telecommunications.

Preciado, Miguel A., Shu, Xuewen, Harper, Paul and Sugden, Kate (2013). First order optical differentiator based on an FBG in transmission. IN: 2013 Conference on Lasers and Electro-Optics Europe & International Quantum Electronics Conference. DEU: IEEE.

Babin, Sergey A., El-Taher, Atalla E., Harper, Paul, Podivilov, Evgenii V. and Turitsyn, Sergei K. (2012). Broadly tunable high-power random fibre laser. IN: Fiber lasers IX. Honea, Eric C. and Hendow, Sami T. (eds) SPIE proceedings . USA: SPIE.

El-Taher, A.E., Harper, P., Babin, S.A., Churkin, D.V., Podivilov, E.V., Ania-Castañón, J. D. and Turitsyn, S.K. (2011). Effect of Rayleigh-scattering distributed feedback on multiwavelength Raman fiber laser generation. IN: Fiber Lasers VIII. Dawson, Jay W. and Honea, Eric C. (eds) SPIE Proceedings . USA: SPIE.

Karalekas, Vassilis, Harper, Paul, El-Taher, Atalla, Ania-Castañón, Juan Diego, Shu, Xuewen, Bennion, Ian and Turitsyn, Sergei K. (2009). Effect of fibre base and reflectors profile on the efficiency of ultra- long laser cavities. IN: 35th European Conference on Optical Communication, 2009. ECOC '09. IEEE.

El-Taher, Atalla, Alcon-Camas, M., Karalekas, Vassilis, Ania-Castañón, Juan D. and Harper, Paul (2009). Improved supercontinuum generation by dispersion tuning and dual wavelength pumping. IN: 35th European Conference on Optical Communication, 2009. ECOC '09. IEEE.

Minzioni, P., Harper, P., Pusino, V., Barker, L., Langrock, C., Fejer, M. M., Ania-Castanon, J. D., Cristiani, I. and Degiorgio, V. (2009). Optical phase conjugation for dispersion and nonlinearity compensation in a 1600km, 42 Gb/s quasi-lossless system. IN: Nonlinear Optics: Materials, Fundamentals and Applications 2009. GBR: Optical Society of America (OSA).

Barker, L., El-Taher, Atalla, Alcon-Camas, M., Ania-Castañón, Juan D. and Harper, Paul (2009). 42.6Gb/s RZ-ASK transmission over 2500km using quasi-lossless transmission spans. IN: European Conference on Lasers and Electro-Optics 2009 and the European Quantum Electronics Conference. CLEO Europe - EQEC 2009. IEEE.

El-Taher, Atalla, Alcon-Camas, M., Ania-Castañón, Juan D. and Harper, Paul (2009). Enhanced supercontinuum generation using multi-fibre ultra-long Raman cavities. IN: IEEE/LEOS Winter Topicals Meeting Series, 2009. IEEE.

Karalekas, Vassileios, Harper, Paul, El-Taher, Atalla, Ania-Castañón, Juan D., Shu, Xuewen, Turitsyna, Elena G., Mezentsev, Vladimir K., Bennion, Ian and Turitsyn, Sergei K. (2009). Impact of FBGs reflectivity shape on spectra of radiation in 10 km Raman fibre laser. IN: 2009 Conference on Optical Fiber Communication (OFC 2009). IEEE.

Babin, S.A., El-Taher, Atalla, Harper, Paul, Churkin, D.V., Kablukov, S.I., Podivilov, E.V. and Turitsyn, Sergei K. (2009). Ultra-long raman laser with a feedback based on the Rayleigh scattering. IN: European Conference on Lasers and Electro-Optics 2009 and the European Quantum Electronics Conference. CLEO Europe - EQEC 2009. IEEE.

Babin, Sergei A., Karalekas, Vassileios, Podivilov, E.V., Mezentsev, Vladimir K., Harper, Paul, Ania-Castañón, Juan D. and Turitsyn, Sergei K. (2008). Characterization of ultra-long Raman fibre lasers. IN: Fiber lasers V. Broeng, Jes and Headley, Clifford (eds) SPIE.

Babin, Sergei A., Karalekas, Vassileios, Podivilov, E.V., Mezentsev, Vladimir K., Harper, Paul, Ania-Castañón, Juan D. and Turitsyn, Sergei K. (2008). Characterization of ultra-long Raman fibre lasers. IN: Fiber lasers V. Broeng, Jes and Headley, Clifford (eds) USA: SPIE.

Karalekas, Vassilis, Kablukov, S.I., Harper, Paul, Ania-Castañón, Juan D., Babin, S.A. and Turitsyn, Sergei K. (2008). 165 km ultra-long Raman fibre laser in the C-band. IN: 34th European Conference on Optical Communication, 2008. ECOC 2008. IEEE.

Ania-Castañón, Juan D., Karalekas, Vassilis, Perez-Gonzalez, J., Harper, Paul, Chen, Xianfeng F. and Zhang, Lin (2006). Signal power excursion and pump efficiency in quasi-lossless ultra-long Raman laser links. IN: European Conference on Optical Communications, 2006. ECOC 2006. IEEE.

Harper, Paul, Alleston, S B, Penketh, I S, Govan, D S, Bennion, I, Ellis, Andrew and Doran, Nick (1999). 40 Gb/s Nonlinear RZ Pulse Propagation Over 900km with a 75KM Standard Fibre Span Using Dispersion Compensation:Optimisation of the Launch Position. IN: Proceedings of 25th European Conference on Optical Communications. TU A3 Paper 5, 1 . UNSPECIFIED.

Alleston, S.B., Harper, Paul, Penketh, Ian S., Bennion, Ian and Doran, Nick (1999). 1220km propagation of 40Gbit/s single channel RZ data over dispersion managed standard (non-dispersion shifted) fibre. IN: Optical Fiber Communication Conference, 1999, and the International Conference on Integrated Optics and Optical Fiber Communication. OFC/IOOC '99. Technical Digest. IEEE.

Alleston, S., Penketh, I., Harper, Paul, Niculae, A., Bennion, Ian and Doran, Nick (1999). 16,000 km, 10 Gbits-1 soliton transmission over standard fibre by reduction of interactions through optimum amplifier positioning. IN: Optical fiber communication conference, 1999, and the international conference on integrated optics and optical fiber communication. OFC/IOOC '99. IEEE.

Zhang, Lin, Harper, P., Sugden, Kate, Williams, John R., Knox, F.M., Kean, P.N., Bennion, Ian and Doran, Nick (1996). Fabrication of highly efficient grating band-pass filters and their applications in soliton propagation system. IN: The International Society for Optical Engineering. Chan, Kam T.; Jian, Shuisheng and Tong, Franklin F. (eds) SPIE proceedings . CHN: SPIE.

Knox, Finlay M., Harper, Paul, Kean, P.N., Bennion, Ian and Doran, Nick (1996). Soliton transmission at 10 Gbit/s over 2022 km of standard fibre with dispersion compensation. IN: Proceedings of the 22nd European Conference on Optical Communications (ECOC'96). IEEE.

Conference or Workshop Item

Iqbal, Md A., Harper, Paul and Tan, Mingming (2018). Transmission Performance Improvement Using Broadband Incoherent Counter-Pumped Distributed Raman Amplification. IN: Optical Fiber Communication Conference 2018. 2018-03-11 - 2018-03-15.

Harper, Paul, Barker, L., El-Taher, Atalla, Alcon-Camas, M., Ania-Castañón, Juan D., Turitsyn, Sergei K. and Bennion, Ian (2009). Optical communications applications of ultra-long Raman fiber lasers. IN: International Conference on Optical Communications and Networks (ICOCN2009). Beijing (CN), 2009-09-15 - 2009-09-17. (Unpublished)

Harper, Paul, Penketh, I S, Alleston, S B, Govan, D S, Bennion, I and Doran, Nick (1999). Propagation of 4ps, 10Gbit/s dispersion managed solitons over 200Mm using saturable absorption. IN: IEE Colloquium on Optical Solitons (Ref. No. 1999/016). London, 1999-02-04. (Unpublished)

Thesis

Harper, Paul (1997). Long distance dispersion managed soliton transmission experiments. PHD thesis, Aston University.