2020

Liu, Junhao, Liu, Yifan and Xu, Tianhua (2020) Bias error and its thermal drift due to fiber birefringence in interferometric fiber-optic gyroscopes. Optical Fiber Technology . (In Press)

Xu, Tianhua, Liga, Gabriele and Bayvel, Polina (2020) High-order modulation formats, constellation design, and DSP for High-SpeedTransmission Systems. In: Optical Fiber Telecommunications. Elsevier Inc..

2019

Xu, Tianhua, Jin, Cenqin, Zhang, Shuqing, Jacobsen, Gunnar, Popov, Sergei, Leeson, Mark S. and Liu, Tiegen (2019) Phase noise cancellation in coherent communication systems using a radio frequency pilot tone. Applied Sciences, 9 (21). 4717. doi:10.3390/app9214717

Zhao, Jian, Liu, Yaping and Xu, Tianhua (2019) Advanced DSP for coherent optical fiber communication. Applied Sciences, 9 (19). e4192.

Xu, Tianhua, Shevchenko, Nikita A., Liu, Zhe and Bayvel, Polina (2019) Information rates in EDFA and raman amplified optical communication systems using nonlinearity compensation. In: Workshop on Information Optics (WIO), Sweden , 1-5 Jul 2019. Published in: Workshop on Information Optics (WIO) (In Press)

Jia, Dagong, Yun, Fenjiao, Wang, Ruihang, Zhang, Hongxia, Xu, Tianhua and Liu, Tiegen (2019) High-efficiency off-axis coupling of rotating optical signals based on internal conical reflection. Optical Fiber Technology, 50 . pp. 76-81. doi:10.1016/j.yofte.2019.02.009

Xu, Tianhua, Shevchenko, Nikita, Li, Zhe, Liu, Tiegen and Bayvel, Polina (2019) Limit of achievable information rates in EDFA and Raman amplified transmission systems using nonlinearity compensation. In: International Conference on Transparent Optical Networks (ICTON), Angers, France, 9-13 Jul 2019 (In Press)

Xu, Tongyang, Xu, Tianhua, Bayvel, Polina and Darwazeh, Izzat (2019) Non-orthogonal signal transmission over nonlinear optical channels. IEEE Photonics Journal . (In Press)

2018

Xu, Tianhua, Karanov, Boris, Shevchenko, Nikita A., Lavery, Domaniç, Liga, Gabriele, Li, Zhe, Jia, Dagong, Li, Lingbo, Kanthan, Leslie, Killey, Robert I. and Bayvel, Polina (2018) Spectral broadening effects in optical communication networks : impact and security issue. In: IEEE International Conference on Advanced Infocomm Technology (ICAIT), Stockholm, Sweden, 12-15 Aug 2018 (In Press)

Xu, Tongyang, Xu, Tianhua and Darwazeh, Izzat (2018) Deep learning for interference cancellation in non-orthogonal signal based optical communication systems. In: PIERS Progress In Electromagnetics Research Symposium, Toyama, Japan, 1-4 Aug 2018. Published in: IEEE Xplore (In Press)

Xu, Tianhua, Jacobsen, Gunnar, Li, Jie, Leeson, Mark S. and Popov, Sergei (2018) Dynamic physical-layer compensation in high-capacity optical communication networks. Optoelectronics and Advanced Materials – Rapid Communications, 12 (5-6). pp. 292-298.

Xu, Tianhua, Shevchenko, Nikita A., Karanov, Boris, Lavery, Domaniç, Galdino, Lidia, Alvarado, Alex, Killey, Robert I. and Bayvel, Polina (2018) Nonlinearity compensation and information rates in fully-loaded C-band optical fibre transmission systems. In: 43rd European Conference on Optical Communication, Gothenburg, Sweden , 17-21 Sep 2017. Published in: 2017 European Conference on Optical Communication (ECOC) ISBN 9781538656242. doi:10.1109/ECOC.2017.8345984 (In Press)

Li, Zhe, Erkılınç, M. S., Shi, Kai, Sillekens, Eric, Galdino, Lidia, Xu, Tianhua, Thomsen, Benn C., Bayvel, Polina and Killey, Robert I. (2018) DSP for single-sideband direct-detection systems. In: OSA signal processing in photonic communications (SPPCom), Zurich, Switzerland, 2-5 Jul 2018 (In Press)

Liu, Zhixin, Xu, Tianhua, Mondaca, Gabriel and Bayvel, Polina (2018) 448-Gb/s PAM4 transmission over 300-km SMF-28 without dispersion compensation fiber. In: 2018 Optical Fiber Communications Conference and Exhibition (OFC), San Diego Convention Center, San Diego, California, USA, 11-15 Mar 2018. Published in: OSA Technical Digest (online) ISBN 9781943580385. doi:10.1364/OFC.2018.W1J.6 (In Press)

Li, Zhe, Erkılınç, M. Sezer, Shi, Kai, Sillekens, Eric, Galdino, Lidia, Xu, Tianhua, Thomsen, Benn C., Bayvel, Polina and Killey, Robert I. (2018) Digital linearization of direct-detection transceivers for spectrally-efficient 100 Gb/s/λ WDM metro networking. IEEE Journal of Lightwave Technology . (In Press)

Karanov, Boris, Xu, Tianhua, Shevchenko, Nikita A., Lavery, Domaniç, Liga, Gabriele, Killey, Robert I. and Bavvel, Polina (2018) Digital nonlinearity compensation considering signal spectral broadening effects in dispersion-managed systems. In: 2018 Optical Fiber Communications Conference and Exhibition (OFC), San Diego Convention Center, San Diego, California, USA, 11-15 Mar 2018. Published in: OSA Technical Digest (online) ISBN 9781943580385. doi:10.1364/OFC.2018.W2A.58

Li, Z., Galdino, Lidia, Xu, Tianhua, Sezer Erkilinc, M., Shi, Kai, Sillekens, Eric, Thomsen, Benn C., Bayvel, Polina and Killey, Robert I. (2018) Performance of digital back-propagation in Kramers-Kronig direct-detection receivers. In: 2018 Optical Fiber Communications Conference and Exhibition (OFC), San Diego Convention Center, San Diego, California, USA, 11-15 Mar 2018. Published in: OSA Technical Digest (online) ISBN 9781943580385. doi:10.1364/OFC.2018.Tu2D.4

Liu, Zhe , Erkılınç , M. Sezer , Shi, Kai, Sillekens, Eric, Galdino, Lidia, Xu, Tianhua, Thomsen, Benn C., Bayvel, Polina and Killey, Robert I. (2018) Spectrally-efficient 168 Gb/s/λ WDM 64-QAM single-sideband Nyquist-subcarrier modulation with Kramers-Kronig direct-detection receivers. IEEE Journal of Lightwave Technology . doi:10.1109/JLT.2017.2785858 (In Press)

2017

Xu, Tianhua, Shevchenk, Nikita A., Karanov, Boris, Liga, Gabriele, Lavery, Domaniç , Killey, Robert I. and Bayvel, Polina (2017) Digital nonlinearity compensation in high-capacity optical fibre communication systems : performance and optimisation. In: RTUWO 2017 : Advances in Wireless and Optical Communications , Riga, Latvia, 2-3 Nov 2017. Published in: 2017 Advances in Wireless and Optical Communications (RTUWO) ISBN 9781538605851. doi:10.1109/RTUWO.2017.8228507

Xu, Tianhua, Karanov, Boris, Shevchenko, Nikita A., Lavery, Domaniç, Liga, Gabriele, Killey, Robert I. and Bayvel, Polina (2017) Digital nonlinearity compensation in high-capacity optical communication systems considering signal spectral broadening effect. Scientific Reports, 7 (1). 12986. doi:10.1038/s41598-017-12614-x

Shevchenko, Nikita A., Xu, Tianhua, Lavery, Domaniç, Liga, Gabriele, Ives, David J., Killey, Robert I. and Bayvel, Polina (2017) Modeling of nonlinearity-compensated optical communication systems considering second-order signal-noise interactions. Optics Letters, 42 (17). pp. 3351-3354. doi:10.1364/OL.42.003351

Xu, Tianhua (2017) Digital signal processing for optical communications and networks. In: Roka, Rastislav, (ed.) Optical Fiber and Wireless Communications. Rijeka: InTech. ISBN 9789535132752

Xu, Tianhua, Jacobsen, Gunnar and Popov, Sergei (2017) Carrier phase estimation and nonlinearity compensation in optical communication systems using different modulation formats. In: International Conference on Wireless and Optical Communications (ICWOC), China, 06 -09 Jul 2018

Xu, Tianhua, Jacobsen, Gunnar, Popov, Sergei, Li, Jie, Sergeyev, Sergey, Friberg, Ari T., Liu, Tiegen and Zhang, Yimo (2017) Analysis of chromatic dispersion compensation and carrier phase recovery in long-haul optical transmission system influenced by equalization enhanced phase noise. Optik - International Journal for Light and Electron Optics, 138 (Supplement C). 494 - 508.

Nie, Pengcheng, Jia, Dagong, Du, Chuang, Zhang, Hongxia, Xu, Tianhua and Liu, Tiegeng (2017) Method based on fast fourier transform for calculating conical refraction of beams with noncircular symmetry. IEEE Photonics Journal, 9 (2). pp. 1-7. doi:10.1109/JPHOT.2017.2669520

Xu, Tianhua, Shevchenko, Nikita A., Lavery, Domaniç, Semrau, Daniel, Liga, Gabriele, Alvarado, Alex, Killey, Robert I. and Bayvel, Polina (2017) Modulation format dependence of digital nonlinearity compensation performance in optical fibre communication systems. Optics Express, 25 (4). pp. 3311-3326. doi:10.1364/OE.25.003311

Karanov, Boris, Xu, Tianhua, Shevchenko, Nikita A., Lavery, Domaniç, Killey, Robert I. and Bayvel, Polina (2017) Span length and information rate optimisation in optical transmission systems using single-channel digital backpropagation. Optics Express, 25 (21). pp. 25353-25362. doi:10.1364/OE.25.025353

2016

Semrau, Daniel, Xu, Tianhua, Shevchenko, Nikita A., Paskov, Milen, Alvarado, Alex, Killey, Robert I. and Bayvel, Polina (2016) Achievable information rates estimates in optically amplified transmission systems using nonlinearity compensation and probabilistic shaping. Optics Letters, 42 (1). pp. 121-124. doi:10.1364/OL.42.000121

Shevchenko, Nikita A., Xu, Tianhua, Semrau, Daniel, Saavedra, Gabriele Liga, Paskov, Milen, Galdino, Lidia, Alvarado, Alex, Killey, Robert I. and Bayvel, Polina (2016) Achievable information rates estimation for 100-nm ramana amplified optical transmission system. In: 42nd European Conference on Optical Communication (ECOC 2016), Dusseldorf, Germany, 18-22 Sep 2016. Published in: Proceedings of ECOC 2016 ; 42nd European Conference on Optical Communication ISBN 9783800742745.

Liga, Gabriele, Czegledi, Cristian B, Xu, Tianhua, Agrell, Erik, Killey, Robert I. and Bayvel, Polina (2016) Ultra-wideband nonlinearity compensation performance in the presence of PMD. In: 42nd European Conference on Optical Communication (ECOC 2016), Dusseldorf, Germany, 18-22 Sep 2016. Published in: Proceedings of ECOC 2016 ; 42nd European Conference on Optical Communication ISBN 9783800742745.

Xu, Tianhua, Liu, Tiegen, Zhang, Yimo, Jacobsen, Gunnar, Li, Jie and Popov, Sergei (2016) Digital adaptive carrier phase estimation in multi-level phase shift keying coherent optical communication systems. In: 2016 3rd International Conference on Information Science and Control Engineering (ICISCE), Beijing, China, 8-10 Jul 2016. Published in: 2016 3rd International Conference on Information Science and Control Engineering (ICISCE) pp. 1293-1297. ISBN 9781509025367. doi:10.1109/ICISCE.2016.276

Xu, Tianhua, Jacobsen, Gunnar, Popov, Sergei, Liu, Tiegen, Zhang, Yimo and Bayvel, Polina (2016) Analytical estimation in differential optical transmission systems influenced by equalization enhanced phase noise. In: Progress in Electromagnetic Research Symposium (PIERS), Shanghai, China, 8-11 Aug 2016 pp. 4844-4848. ISBN 9781509060948. doi:10.1109/PIERS.2016.7735770

Liu, Kun, Tian, Miao, Jiang, Junfeng, An, Jianchang, Xu, Tianhua, Ma, Chunyu, Pan, Liang, Wang, Tao, Li, Zhichen, Zheng, Wenjie, Xue, Meng, Wu, Fan and Liu, Tiegen (2016) An improved positioning algorithm in a long-range asymmetric perimeter security system. Journal of Lightwave Technology, 34 (22). pp. 5278-5283. doi:10.1109/JLT.2016.2615646

Xu, Tianhua, Bayvel, Polina, Liu, Tiegen, Zhang, Yimo, Jabobsen, Gunnar, Li, Jie and Popov, Sergei (2016) Carrier phase estimation in dispersion-unmanaged optical transmission systems. In: 2017 IEEE 2nd Advanced Information Technology, Electronic and Automation Control Conference (IAEAC), Beijing, China, 25-26 Mar 2017. Published in: 2017 IEEE 2nd Advanced Information Technology, Electronic and Automation Control Conference (IAEAC) ISBN 9781467389792.

Xu, Tianhua, Jacobsen, Gunnar, Popov, Sergei, Li, Jie, Liu, Tiegen and Zhang, Yimo (2016) Close-form expression of one-tap normalized LMS carrier phase recovery in optical communication systems. In: Fourth International Conference on Wireless and Optical Communications, Beijing, China, 7 Oct 2016. Published in: Proceedings of SPIE - International Society for Optical Engineering, 9902 ISSN 0277-786X. doi:10.1117/12.2261932

Xu, Tianhua, Jacobsen, Gunnar, Popov, Sergei, Li, Jie, Liu, Tiegen, Zhang, Yimo and Bayvel, Polina (2016) Analytical investigations on carrier phase recovery in dispersion-unmanaged n-PSK coherent optical communication systems. Photonics, 3 (4). 51. doi:10.3390/photonics3040051

Bayvel, Polina, Maher, Robert, Xu, Tianhua, Liga, Gabriele, Shevchenko, Nikita A., Lavery, Domaniç, Alvarado, Alex and Killey, Robert I. (2016) Maximizing the optical network capacity. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 374 (2062). 20140440. doi:10.1098/rsta.2014.0440

2015

Le, S. T., McCarthy, M. E., Turitsyn, S. K., Phillips, I., Liga, G., Lavery, D., Xu, Tianhua, Bayvel, P. and Ellis, A. D. (2015) Optical and digital phase conjugation techniques for fiber nonlinearity compensation. In: Opto-Electronics and Communications Conference (OECC), 2015, Shangai, China, 28 Jun - 02 Jul 2015. Published in: Opto-Electronics and Communications Conference (OECC), 2015 pp. 1-3. ISBN 9781467379441. ISSN 2166-8892. doi:10.1109/OECC.2015.7340113

Xu, Tianhua, Liga, Gabriele, Lavery, Domaniç, Thomsen, Benn C., Savory, Seb J., Killey, Robert I. and Bayvel, Polina (2015) Equalization enhanced phase noise in Nyquist-spaced superchannel transmission systems using multi-channel digital back-propagation. Scientific Reports, 5 (1). 13990 . doi:10.1038/srep13990

Xu, Tianhua, Li, Jie, Jacobsen, Gunnar, Popov, Sergei, Djupsjöbacka, Anders, Schatz, Richard, Zhang, Yimo and Bayvel, Polina (2015) Field trial over 820km installed SSMF and its potential Terabit/s superchannel application with up to 57.5-Gbaud DP-QPSK transmission. Optics Communications, 353 . pp. 133-138. doi:10.1016/j.optcom.2015.05.029

Jia, Dagong, Zhang, Yulong, Li, Shuai, Xu, Tianhua, Zhang, Hongxia and Zhang, Yimo (2015) Combined denoising filter for fringe pattern in electronic speckle shearing pattern interferometry. Optical Engineering, 54 (4). 043105. doi:10.1117/1.OE.54.4.043105

Maher, Robert, Xu, Tianhua, Galdino, Lidia, Sato, Masaki, Alvarado, Alex, Shi, Kai, Savory, Seb J., Thomsen, Benn C., Killey, Robert I. and Bayvel, Polina (2015) Spectrally shaped DP-16QAM super-channel transmission with multi-channel digital back-propagation. Scientific Reports, 5 (1). 8214 . doi:10.1038/srep08214

Xu, Tianhua, Jacobsen, Gunnar, Popov, Sergei, Li, Jie, Sergeyev, Sergey, Friberg, Ari T. and Zhang, Yimo (2015) Analytical BER performance in differential n-PSK coherent transmission system influenced by equalization enhanced phase noise. Optics Communications, 334 . pp. 222-227. doi:10.1016/j.optcom.2014.07.094

Ellis, A. D., Le, S. T., Al-Khateeb, M. A. Z., Turitsyn, S. K., Liga, G., Lavery, D., Xu, Tianhua and Bayvel, P. (2015) The impact of phase conjugation on the nonlinear-Shannon limit : The difference between optical and electrical phase conjugation. In: 2015 IEEE Photonics Society Summer Topical Meeting Series (SUM), Nassau, Bahamas, 13-15 Jul 2015. Published in: Summer Topicals Meeting Series (SUM), 2015 pp. 209-210. doi:10.1109/PHOSST.2015.7248271

2014

Liga, Gabriele, Xu, Tianhua, Alvarado, Alex, Killey, Robert I. and Bayvel, Polina (2014) On the performance of multichannel digital backpropagation in high-capacity long-haul optical transmission. Optics Express, 22 (24). 30053. doi:10.1364/OE.22.030053

Maher, Robert, Galdino, Lidia, Sato, Masaki, Xu, Tianhua, Shi, Kai, Kilmurray, Sean, Savory, Seb J., Thomsen, Benn C., Killey, Robert I. and Bayvel, Polina (2014) Linear and nonlinear impairment mitigation in a Nyquist spaced DP-16QAM WDM transmission system with full-field DBP. In: 2014 European Conference on Optical Communication (ECOC), Cannes, France, 21-25 Sep 2014. Published in: 2014 European Conference on Optical Communication (ECOC) pp. 1-3. ISBN 978-2-9549-4440-1. doi:10.1109/ECOC.2014.6963971

Galdino, Lidia, Liga, Gabriele, Lavery, Domanic, Maher, Robert, Xu, Tianhua, Sato, Masaki, Killey, Robert I., Savory, Seb J., Thomsen, Benn C. and Bayvel, Polina (2014) Unrepeated transmission over 253.4 km ultra low loss fiber achieving 6.95 b/s/Hz SE using EDFA-only pre-amplification. In: 2014 European Conference on Optical Communication (ECOC), Cannes, France, 21-25 Sep 2014. Published in: 2014 European Conference on Optical Communication (ECOC) pp. 1-3. ISBN 9782954944401. doi:10.1109/ECOC.2014.6963884

Maher, Robert, Sato, Masaki, Xu, Tianhua, Galdino, Lidia, Kilmurray, Sean, Savory, Seb J., Thomsen, Benn, Killey, Robert I. and Bayvel, Polina (2014) Digital pulse shaping to mitigate linear crosstalk in Nyquist-spaced 16QAM WDM transmission systems. In: 2014 OptoElectronics and Communication Conference , Melbourne, VIC, Australia, 6-10 July 2014. Published in: 2014 OptoElectronics and Communication Conference ISBN 9781922107213.

Liga, Gabriele, Xu, Tianhua, Galdino, Lidia , Killey, Robert and Bayvel, Polina (2014) Digital back-propagation for high spectral-efficiency terabit/s superchannels. In: 2014 Optical Fiber Communications Conference and Exhibition (OFC), San Francisco, CA, USA, 9-13 Mar 2014. Published in: 2014 Optical Fiber Communications Conference and Exhibition (OFC) W2A.23. ISBN 978-1-5575-2993-0. doi:10.1364/OFC.2014.W2A.23

Killey, Robert I., Maher, Robert, Xu, Tianhua, Galdino, Lidia, Sato, Masaki, Kilmurray, Sean, Thomsen, Benn C. and Bayvel, Polina (2014) Experimental characterisation of digital Nyquist pulse-shaped dual-polarisation 16QAM WDM transmission and comparison with the Gaussian noise model of nonlinear propagation. In: 2014 16th International Conference on Transparent Optical Networks (ICTON), , Graz, Austria, 6-10 Jul 2014. Published in: 2014 16th International Conference on Transparent Optical Networks (ICTON), pp. 1-4. ISBN 9781479956012. doi:10.1109/ICTON.2014.6876439

Jacobsen, Gunnar, Xu, Tianhua, Popov, Sergei and Sergeyev, Sergey (2014) Phase noise influence in coherent optical DnPSK systems with DSP based dispersion compensation. Journal of Optical Communications, 35 (1). doi:10.1515/joc-2013-0065

Jacobsen, Gunnar, Popov, Sergei, Xu, Tianhua and Sergeyev, Sergey (2014) Capacity constraints for phase noise influenced coherent optical DnPSK systems. In: 35th PIERS Progress In Electromagnetics Research Symposium , Guangzhou, China, 25-28 Aug 2014

2013

Jacobsen, Gunnar, Xu, Tianhua, Popov, Sergei and Sergeyev, Sergey (2013) Study of EEPN mitigation using modified RF pilot and Viterbi-Viterbi based phase noise compensation. Optics Express, 21 (10). pp. 12351-12362. doi:10.1364/OE.21.012351

Xu, Tianhua, Jacobsen, Gunnar, Popov, Sergei, Li, Jie, Sergeyev, Sergey and Zhang, Yimo (2013) Analysis of carrier phase extraction methods in 112-Gbit/s NRZ-PDM-QPSK coherent transmission system. In: 2012 Asia Communications and Photonics Conference (ACP), Guangzhou, China, 7-10 Nov 2012. Published in: 2012 Asia Communications and Photonics Conference (ACP) ISBN 9781467362740.

Xu, Tianhua, Jacobsen, Gunnar, Popov, Sergei, Li, Jie, Sergeyev, Sergey and Zhang, Yimo (2013) Influence of digital dispersion equalization on phase noise enhancement in coherent optical system. In: 2012 Asia Communications and Photonics Conference (ACP), Guangzhou, China, 7-10 Nov 2012. Published in: 2012 Asia Communications and Photonics Conference (ACP) ISBN 9781467362740.

Zhang, Hongxia, Wang, Shu, Gong, Yuhan, Liu, Tiegen, Xu, Tianhua, Jia, Dagong and Zhang, Yimo (2013) A quantitative robustness evaluation model for optical fiber sensor networks. Journal of Lightwave Technology, 31 (8). pp. 1240-1246. doi:10.1109/JLT.2013.2246769

Sergeyev, Sergey V., Xu, Tianhua, Popov, Sergei and Jacobsen, Gunnar (2013) All-optical polarisation control in fibre Raman amplifiers. In: International Scientific and Technical Conference on Quantum Electronics p. 81.

Xu, Tianhua, Jacobsen, Gunnar, Popov, Sergei, Li, Jie, Friberg, Ari T. and Zhang, Yimo (2013) Carrier phase estimation methods in coherent transmission systems influenced by equalization enhanced phase noise. Optics Communications, 293 . pp. 54-60. doi:10.1016/j.optcom.2012.11.090

Xu, Tianhua, Jacobsen, Gunnar, Popov, Sergei, Li, Jie and Sergeyev, Sergey (2013) Mitigation of EEPN in long-haul n-PSK coherent transmission system using modified optical pilot carrier. In: Asia Communications and Photonics Conference 2013. Published in: Asia Communications and Photonics Conference 2013 AF3E.1..

Xu, Tianhua, Li, Jie, Djupsjöbacka, Anders, Schatz, Richard, Jacobsen, Gunnar and Popov, Sergei (2013) Quasi real-time 230-Gbit/s coherent transmission field trial over 820 km SSMF using 57.5-Gbaud dual-polarization QPSK. In: Asia Communications and Photonics Conference 2013, Beijing China, 12–15 Nov 2013. Published in: Asia Communications and Photonics Conference 2013 ISBN 9781557529893.

2012

Jacobsen, Gunnar, Xu, Tianhua, Popov, Sergei, Li, Jie, Friberg, Ari T. and Zhang, Yimo (2012) EEPN and CD study for coherent optical nPSK and nQAM systems with RF pilot based phase noise compensation. Optics Express, 20 (8). pp. 8862-8870. doi:10.1364/OE.20.008862

Zhang, Hongxia, Chen, Xinwei, Ye, Wenting, Xu, Tianhua, Jia, Dagong and Zhang, Yimo (2012) Mitigation of the birefringence dispersion on the polarization coupling measurement in a long-distance high-birefringence fiber. Measurement Science and Technology, 23 (2). 025203. doi:10.1088/0957-0233/23/2/025203

Jacobsen, Gunnar, Xu, Tianhua, Popov, Sergei, Li, Jie, Friberg, Ari T. and Zhang, Yimo (2012) Phase noise influence in coherent optical OFDM systems with RF pilot tone : digital IFFT multiplexing and FFT demodulation. Journal of Optical Communications, 33 (3). pp. 217-226. doi:10.1515/joc-2012-0038

Jacobsen, Gunnar, Xu, Tianhua, Popov, Sergei, Sergeyev, Sergey and Zhang, Yimo (2012) Phase noise influence in long-range coherent optical OFDM systems with delay detection, IFFT multiplexing and FFT demodulation. Journal of Optical Communications, 33 (4). pp. 289-295. doi:10.1515/joc-2012-0047

2011

Xu, Tianhua, Jacobsen, Gunnar, Popov, Sergei, Li, Jie, Friberg, Ari T. and Zhang, Yimo (2011) Phase noise mitigation in coherent transmission system using a pilot carrier. In: 2011 Asia Communications and Photonics Conference and Exhibition ACP, Shanghai, China, 13-16 Nov 2011. Published in: 2011 Asia Communications and Photonics Conference and Exhibition ACP ISBN 9780819489616.

Xu, Tianhua, Jacobsen, Gunnar, Popov, Sergei, Li, Jie, Friberg, Ari T. and Zhang, Yimo (2011) Digital chromatic dispersion compensation in coherent transmission system using a time-domain filter. In: 2010 Asia Communications and Photonics Conference and Exhibition (ACP), Shanghai, China, 8-10 Dec 2010. Published in: 2010 Asia Communications and Photonics Conference and Exhibition (ACP) pp. 132-133. ISBN 9781424471119. doi:10.1109/ACP.2010.5682798

Xu, Tianhua, Jacobsen, Gunnar, Popov, Sergei, Li, Jie, Friberg, Ari T. and Zhang, Yimo (2011) Analytical estimation of phase noise influence in coherent transmission system with digital dispersion equalization. Optics Express, 19 (8). pp. 7756-7768. doi:10.1364/OE.19.007756

Jacobsen, Gunnar, Xu, Tianhua, Popov, Sergei, Li, Jie, Zhang, Yimo and Friberg, Ari T. (2011) Error-rate floors in differential n-level phase-shift-keying coherent receivers employing electronic dispersion equalisation. Journal of Optical Communications, 32 (3). pp. 191-193. doi:10.1515/JOC.2011.031

Xu, Tianhua, Jacobsen, Gunnar, Popov, Sergei, Forzati, M., Mårtensson, J., Mussolin, M., Li, Jie, Wang, Ke, Zhang, Yimo and Friberg, A. T. (2011) Frequency-domain chromatic dispersion equalization using overlap-add methods in coherent optical system. Journal of Optical Communications, 32 (2). pp. 131-135. doi:10.1515/JOC.2011.022

Zhang, Hongxia, Liu, Kun, Jia, Dagong, Xu, Tianhua, Liu, Tiegen, Peng, Gangding, Jing, Wencai and Zhang, Yimo (2011) Improved low concentration gas detection system based on intracavity fiber laser. Review of Scientific Instruments, 82 (2). 023104. doi:10.1063/1.3534077

Jacobsen, Gunnar, Lidn, Marisol, Xu, Tianhua, Popov, Sergei, Friberg, Ari T. and Zhang, Yimo (2011) Influence of pre- and post-compensation of chromatic dispersion on equalization enhanced phase noise in coherent multilevel systems. Journal of Optical Communications, 32 (4). pp. 257-261. doi:10.1515/JOC.2011.053

Jacobsen, Gunnar, Kazovsky, Leonid G., Xu, Tianhua, Popov, Sergei, Li, Jie, Zhang, Yima and Friberg, Ari T. (2011) Phase noise influence in optical OFDM systems employing RF pilot tone for phase noise cancellation. Journal of Optical Communications, 32 (2). pp. 141-145. doi:10.1515/joc.2011.017

Jacobsen, Gunnar, Xu, Tianhua, Popov, Sergei, Li, Jie, Friberg, Ari T. and Zhang, Yimo (2011) Receiver implemented RF pilot tone phase noise mitigation in coherent optical nPSK and nQAM systems. Optics Express, 19 (15). pp. 14487-14494. doi:10.1364/OE.19.014487

2010

Xu, Tianhua, Jacobsen, Gunnar, Popov, Sergei, Li, Jie, Wang, Ke and Friberg, Ari T. (2010) Digital compensation of chromatic dispersion in 112-Gbit/s PDM-QPSK system. In: 2009 Asia Communications and Photonics Conference and Exhibition (ACP), Shanghai, China, 2-6 Nov 2009. Published in: 2009 Asia Communications and Photonics Conference and Exhibition (ACP) ISSN 2162-108X.

Xu, Tianhua, Jacobsen, Gunnar, Popov, Sergei, Li, Jie, Vanin, Evgeny, Wang, Ke, Friberg, Ari T. and Zhang, Yimo (2010) Chromatic dispersion compensation in coherent transmission system using digital filters. Optics Express, 18 (15). 16243. doi:10.1364/OE.18.016243

Xu, Tianhua, Jacobsen, Gunnar, Popov, Sergei, Li, Jie, Wang, Ke and Friberg, Ari T. (2010) Normalized LMS digital filter for chromatic dispersion equalization in 112-Gbit/s PDM-QPSK coherent optical transmission system. Optics Communications, 283 (6). pp. 963-967. doi:10.1016/j.optcom.2009.11.011

2009

Xu, Tianhua, Jacobsen, Gunnar, Popov, Sergei, Li, Jie, Wang, Ke and Friberg, Ari T. (2009) Variable-step-size LMS adaptive filter for digital chromatic dispersion compensation in PDM-QPSK coherent transmission system. In: International Conference on Optical Instrumentation and Technology, Shanghai, China. Published in: Proceedings of SPIE - International Society for Optical Engineering, 7506 75062I. ISSN 0277-786X. doi:10.1117/12.837834

Zhang, Hongxia, Xu, Tianhua, Jia, Dagong, Jing, Wencai, Liu, Kun and Zhang, Yimo (2009) Effects of angular misalignment in interferometric detection of distributed polarization coupling. Measurement Science and Technology, 20 (9). 095112. doi:10.1088/0957-0233/20/9/095112

Xu, Tianhua, Jing, Wencai, Zhang, Hongxia, Liu, Kun, Jia, Dagong and Zhang, Yimo (2009) Influence of birefringence dispersion on a distributed stress sensor using birefringent optical fiber. Optical Fiber Technology, 15 (1). pp. 83-89. doi:10.1016/j.yofte.2008.06.001

2008

Jia, Dagong, Yu, Changsong, Xu, Tianhua, Jin, Chao, Zhang, Hongxia, Jing, Wencai and Zhang, Yimo (2008) Vibration analysis based on electronic stroboscopic speckle-shearing pattern interferometry. In: 2008 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Applications, Beijing, China, 16-19 Nov 2008. Published in: Proceedings of SPIE - International Society for Optical Engineering, 7160 p. 716014. ISSN 0277-786X. doi:10.1117/12.806992

Xu, Tianhua, Jing, Chao, Jing, Wencai, Zhang, Hongxia, Jia, Dagong and Zhang, Yimo (2008) Design and experiment of electronic speckle shearing phase-shifting pattern interferometer. Optoelectronics Letters, 4 (1). pp. 59-61. doi:10.1007/s11801-008-7079-5

Xu, Tianhua, Tang, Feng, Jing, Wencai, Zhang, Hongxia, Jia, Dagong, Zhang, Xuemin, Zhou, G. and Zhang, Yimo (2008) Distributed measurement of mode coupling in birefringent fibers with random polarization modes. Optica Applicata, 39 . pp. 77-90.

Xu, Tianhua, Tang, Feng, Jing, Wencai, Zhang, Hongxia, Jia, Dagong, Yu, Changsong, Zhou, Ge and Zhang, Yimo (2008) Influence of polarization extinction ratio on distributed polarization coupling detection. Optoelectronics Letters, 4 (4). pp. 292-294. doi:10.1007/s11801-008-8031-5

Zhang, Hongxia, Liu, Haitao, Jing, Wencai, Xu, Tianhua, Jia, Dagong and Zhang, Yimo (2008) Research of stress sensing based on measurement of polarization coupling in polarization-maintaining fiber. Journal of Optoelectronics : Laser [Guangdianzi - Jiguang], 19 (11). pp. 1443-1445.

2007

Li, Yan, Xu, Tianhua, Jia, Dagong, Jing, Wencai, Hu, Hao, Yu, Jinlong and Zhang, Yimo (2007) Dynamic dispersion compensation in a 40 Gb/s single-channeled optical fiber communication system. Acta Optica Sinica [Guangxue Xuebao], 27 (7). pp. 1161-1165.

Jing, Wencai, Li, Xiaojingi, Liu, Kun, Xu, Tianhua, Zhang, Yimo, Zhang, Hongxia, Jia, Dagong and Peng, GangDing (2007) Enhancement of signal-noise-ratio in a distributed polarization mode coupling detection system. Optoelectronics Letters, 3 (1). pp. 57-61. doi:10.1007/s11801-007-6158-4

Zhang, Hongxia, Xu, Tianhua, Jing, Wencai, Jia, Dagong, Zhang, Yimo, Feng, Tang, Liu, Kun and Zhang, Yimo (2007) Influence of angle misalignment on detection polarization coupling in white light interferometer. In: SPIE Photonics Asia Conference 2007 , Beijing, China, 11-15 Nov 2007. Published in: Proceedings of SPIE - International Society for Optical Engineering, 6829 68290E. ISSN 0277-786X. doi:10.1117/12.756567

2006

Jing, Chao, Jing, Wencai, Xu, Tianhua, Liu, Na, Zhou, Ge and Zhang, Yimo (2006) Electronic speckle-shearing pattern interferometry for vibration analysis. Nanotechnology and Precision Engineering [Nami Jishu yu Jingmi Gongcheng], 4 (1). pp. 58-62.

2005

Xu, Tianhua, Liu, Tiegen, Jing, Wencai, Jia, Dagong and Liu, Lina (2005) Structures for enhancing fiber Bragg grating pressure sensitivity. Modern , 4 . pp. 1-4.