The University of Southampton

Our latest research papers:

[1]         O. Green et al., "In-line polarization controller for hollow core photonic bandgap fiber," Optics Communications, vol. 481, p. 126552, 2021/02/15/ 2021, doi: https://doi.org/10.1016/j.optcom.2020.126552.

[2]         Y. Wang, N. Thipparapu, D. J. Richardson, and J. K. Sahu, "Ultra-broadband Bismuth-Doped Fiber Amplifier Covering a 115-nm Bandwidth in the O and E Bands," Journal of Lightwave Technology, 2020 (accepted for publication).

[3]         Y. Wu, S. Liang, Q. Fu, L. Xu, and D. J. Richardson, "Compact picosecond mid-IR PPLN OPO with controllable peak powers," OSA Continuum, vol. 3, no. 10, pp. 2741-2748, 2020/10/15 2020, doi: 10.1364/OSAC.400213.

[4]         A. Wood, Y. Jung, and D. J. Richardson, "Multiport Fiber Optic Beam Splitters for Space Division Multiplexed (SDM) Systems," IEEE Photonics Technology Letters, vol. 32, no. 13, pp. 795-798, 2020, doi: 10.1109/LPT.2020.2997756.

[5]         Y. Wang, N. K. Thipparapu, D. J. Richardson, and J. K. Sahu, "Broadband Bismuth-Doped Fiber Amplifier With a Record 115-nm Bandwidth in the O and E Bands," in Optical Fiber Communication Conference Postdeadline Papers 2020, San Diego, California, 2020/03/08 2020: Optical Society of America, p. Th4B.1, doi: 10.1364/OFC.2020.Th4B.1. [Online]. Available: http://www.osapublishing.org/abstract.cfm?URI=OFC-2020-Th4B.1

[6]         S. Wang, Y. Wang, N. K. Thipparapu, M. Ibsen, D. J. Richardson, and J. K. Sahu, "Tunable CW Bi-Doped Fiber Laser System From 1320 to 1370 nm Using a Fiber Bragg Grating," IEEE Photonics Technology Letters, vol. 32, no. 22, pp. 1443-1446, 2020, doi: 10.1109/LPT.2020.3029867.

[7]         S. Wang, Y. Wang, N. K. Thipparapu, M. Ibsen, D. J. Richardson, and J. K. Sahu, "All-fiber wavelength-tunable Bi-doped laser employing a fiber Bragg grating operating in the 1300nm band," in Conference on Lasers and Electro-Optics, Washington, DC, 2020/05/10 2020: Optical Society of America, in OSA Technical Digest, p. STh1P.7, doi: 10.1364/CLEO_SI.2020.STh1P.7. [Online]. Available: http://www.osapublishing.org/abstract.cfm?URI=CLEO_SI-2020-STh1P.7

[8]         S. Wang, N. K. Thipparapu, Y. Wang, D. J. Richardson, and J. K. Sahu, "Widely-tunable Bismuth-doped fiber laser for the 1305-1375nm wavelength range," in OSA Advanced Photonics Congress (AP) 2020 (IPR, NP, NOMA, Networks, PVLED, PSC, SPPCom, SOF), Washington, DC, 2020/07/13 2020: Optical Society of America, in OSA Technical Digest, p. SoM4H.6, doi: 10.1364/SOF.2020.SoM4H.6. [Online]. Available: http://www.osapublishing.org/abstract.cfm?URI=SOF-2020-SoM4H.6

[9]         A. Ventura et al., "Extruded tellurite antiresonant hollow core fiber for Mid-IR operation," Opt. Express, vol. 28, no. 11, pp. 16542-16553, 2020/05/25 2020, doi: 10.1364/OE.390517.

[10]       N. Thipparapu, Y. Wang, S. Wang, D. J. Richardson, and J. K. Sahu, "Bi-doped silica-based fibre amplifiers for extended optical fibre communication," in The Rank Prize Funds online symposium on Fibre and Free-Space Optical Communications Technologies for Future Access Network, 12-14 October 2020 2020.

[11]       R. Slavik et al., Sensitivity of phase and propagation delay in hollow-core fibres (Conference Presentation) (SPIE Photonics Europe). SPIE, 2020.

[12]       R. Sidharthan et al., "Low NA Ge-Clad Step-Index Yb-Doped Fiber for High Power Picosecond Laser Pulses," in 14th Pacific Rim Conference on Lasers and Electro-Optics (CLEO PR 2020), Sydney, 2020/08/03 2020: Optical Society of America, in OSA Technical Digest, p. C5H_4, doi: 10.1364/CLEOPR.2020.C5H_4. [Online]. Available: http://www.osapublishing.org/abstract.cfm?URI=CLEOPR-2020-C5H_4

[13]       R. Sidharthan et al., "Ultra-low NA step-index large mode area Yb-doped fiber with a germanium doped cladding for high power pulse amplification," Optics Letters, vol. 45, no. 14, pp. 3828-3831, 2020/07/15 2020, doi: 10.1364/OL.396157.

[14]       H. Sakr et al., "Interband Short Reach Data Transmission in Ultrawide Bandwidth Hollow Core Fiber," Journal of Lightwave Technology, vol. 38, no. 1, pp. 159-165, 2020, doi: 10.1109/JLT.2019.2943178.

[15]       H. Sakr et al., "Advances in Hollow Core Fiber for the 1μm and Visible Wavelength Regions," in OSA Advanced Photonics Congress (AP) 2020 (IPR, NP, NOMA, Networks, PVLED, PSC, SPPCom, SOF), Washington, DC, 2020/07/13 2020: Optical Society of America, in OSA Technical Digest, p. SoW1H.5, doi: 10.1364/SOF.2020.SoW1H.5. [Online]. Available: http://www.osapublishing.org/abstract.cfm?URI=SOF-2020-SoW1H.5

[16]       S. Rikimi et al., "Pressure in As-drawn Hollow Core Fibers," in OSA Advanced Photonics Congress (AP) 2020 (IPR, NP, NOMA, Networks, PVLED, PSC, SPPCom, SOF), Washington, DC, 2020/07/13 2020: Optical Society of America, in OSA Technical Digest, p. SoW1H.4, doi: 10.1364/SOF.2020.SoW1H.4. [Online]. Available: http://www.osapublishing.org/abstract.cfm?URI=SOF-2020-SoW1H.4

[17]       S. Rikimi et al., "Growth of Ammonium Chloride on Cleaved End-Facets of Hollow Core Fibers," in Conference on Lasers and Electro-Optics, Washington, DC, 2020/05/10 2020: Optical Society of America, in OSA Technical Digest, p. SF2P.4, doi: 10.1364/CLEO_SI.2020.SF2P.4. [Online]. Available: http://www.osapublishing.org/abstract.cfm?URI=CLEO_SI-2020-SF2P.4

[18]       A. Nespola et al., "Transmission of 61 C-band Channels with L-band Interferers over Record 618km of Hollow-Core-Fiber," in Optical Fiber Communication Conference Postdeadline Papers 2020, San Diego, California, 2020/03/08 2020: Optical Society of America, p. Th4B.5, doi: 10.1364/OFC.2020.Th4B.5. [Online]. Available: http://www.osapublishing.org/abstract.cfm?URI=OFC-2020-Th4B.5

[19]       B. Mills et al., Particulate sensing using optical fibres and deep learning (Conference Presentation) (SPIE OPTO). SPIE, 2020.

[20]       Y. Liu et al., "Generation and heterodyne detection of a 2-μm-band 16-QAM signal based on inter-band wavelength conversion," in Conference on Lasers and Electro-Optics, Washington, DC, 2020/05/10 2020: Optical Society of America, in OSA Technical Digest, p. SF2L.1, doi: 10.1364/CLEO_SI.2020.SF2L.1. [Online]. Available: http://www.osapublishing.org/abstract.cfm?URI=CLEO_SI-2020-SF2L.1

[21]       D. Lin, J. Carpenter, Y. Feng, Y. Jung, S. Alam, and D. J. Richardson, "Controllable Generation of Structured Light Beams in a Few-mode Fiber MOPA," in Conference on Lasers and Electro-Optics, Washington, DC, 2020/05/10 2020: Optical Society of America, in OSA Technical Digest, p. JTh4B.8, doi: 10.1364/CLEO_AT.2020.JTh4B.8. [Online]. Available: http://www.osapublishing.org/abstract.cfm?URI=CLEO_AT-2020-JTh4B.8

[22]       D. Lin, J. Carpenter, Y. Feng, Y. Jung, S. Alam, and D. Richardson, "High power, electronically-controlled, source of user-defined vortex and vector light beams based on a few-mode fibre amplifier," arXiv: Optics, 2020.

[23]       D. Lin et al., "Reconfigurable structured light generation in a multicore fibre amplifier," Nature Communications, vol. 11, no. 1, p. 3986, 2020/08/10 2020, doi: 10.1038/s41467-020-17809-x.

[24]       D. Kong et al., "Generation and Coherent Detection of 2-µm-band WDM-QPSK Signals by On-chip Spectral Translation," in Optical Fiber Communication Conference (OFC) 2020, San Diego, California, 2020/03/08 2020: Optical Society of America, in OSA Technical Digest, p. M1I.4, doi: 10.1364/OFC.2020.M1I.4. [Online]. Available: http://www.osapublishing.org/abstract.cfm?URI=OFC-2020-M1I.4

[25]       O. Kara et al., "Towards Hollow-Core-Fiber Delivery of Broadband Mid-Infrared Light for Remote Spectroscopy," in Conference on Lasers and Electro-Optics, Washington, DC, 2020/05/10 2020: Optical Society of America, in OSA Technical Digest, p. SF1N.6, doi: 10.1364/CLEO_SI.2020.SF1N.6. [Online]. Available: http://www.osapublishing.org/abstract.cfm?URI=CLEO_SI-2020-SF1N.6

[26]       Y. Jung et al., "High Spatial Density 6-Mode 7-Core Fiber Amplifier for L-Band Operation," Journal of Lightwave Technology, vol. 38, no. 11, pp. 2938-2943, 2020, doi: 10.1109/JLT.2020.2976524.

[27]       Y. Jung et al., "Compact micro-optic based components for hollow core fibers," Opt. Express, vol. 28, no. 2, pp. 1518-1525, 2020/01/20 2020, doi: 10.1364/OE.28.001518.

[28]       Y. Jung, K. Harrington, S. Yerolatsitis, D. J. Richardson, and T. A. Birks, "Adiabatic higher-order mode microfibers based on a logarithmic index profile," Opt. Express, vol. 28, no. 13, pp. 19126-19132, 2020/06/22 2020, doi: 10.1364/OE.394098.

[29]       Y. Jung, S.-u. Alam, D. J. Richardson, S. Ramachandran, and K. S. Abedin, "Chapter 7 - Multicore and multimode optical amplifiers for space division multiplexing," in Optical Fiber Telecommunications VII, A. E. Willner Ed.: Academic Press, 2020, pp. 301-333.

[30]       G. T. Jasion et al., "Hollow Core NANF with 0.28 dB/km Attenuation in the C and L Bands," in Optical Fiber Communication Conference Postdeadline Papers 2020, San Diego, California, 2020/03/08 2020: Optical Society of America, p. Th4B.4, doi: 10.1364/OFC.2020.Th4B.4. [Online]. Available: http://www.osapublishing.org/abstract.cfm?URI=OFC-2020-Th4B.4

[31]       Y. Hong et al., "Multi-band Direct-Detection Transmission over an Ultrawide Bandwidth Hollow-Core NANF," Journal of Lightwave Technology, pp. 1-1, 2020, doi: 10.1109/JLT.2020.2967581.

[32]       Y. Hong et al., "Comparative Investigations between SSMF and Hollow-Core NANF for Transmission in the S+C+L-Bands," in 2020 Optical Fiber Communications Conference and Exhibition (OFC), 8-12 March 2020 2020, pp. 1-3.

[33]       Y. Hong et al., "Experimental Demonstration of Dual O plus C-Band WDM Transmission Over 50-km SSMF With Direct Detection," Journal of Lightwave Technology, vol. 38, no. 8, pp. 2278-2284, Apr 2020, doi: 10.1109/jlt.2020.2964155.

[34]       Y. Hong et al., "First Investigation on Double- and Single-sideband Formats in BDFA-enabled O-band Transmission," in Conference on Lasers and Electro-Optics, Washington, DC, 2020/05/10 2020: Optical Society of America, in OSA Technical Digest, p. STh3L.3, doi: 10.1364/CLEO_SI.2020.STh3L.3. [Online]. Available: http://www.osapublishing.org/abstract.cfm?URI=CLEO_SI-2020-STh3L.3

[35]       Q. Fu et al., "High-average-power picosecond mid-infrared OP-GaAs OPO," Opt. Express, vol. 28, no. 4, pp. 5741-5748, 2020/02/17 2020, doi: 10.1364/OE.380189.

[36]       Q. Fu et al., "High-power mid-infrared OP-GaAs OPO with controllable pulse repetition-rates and durations," in Mid-Infrared Coherent Sources, 2020, p. paper MM4C.2.

[37]       Q. Fu et al., "Controllable duration and repetition-rate picosecond pulses from a high-average-power OP-GaAs OPO," Opt. Express, vol. 28, no. 22, pp. 32540-32548, 2020/10/26 2020, doi: 10.1364/OE.402360.

[38]       M. Ding, E. R. Numkam Fokoua, T. D. Bradley, F. Poletti, D. J. Richardson, and R. Slavik, "Hollow core fiber Fabry-Perot interferometers with finesse over 3000," in Conference on Lasers and Electro-Optics, Washington, DC, 2020/05/10 2020: Optical Society of America, in OSA Technical Digest, p. SF2P.2, doi: 10.1364/CLEO_SI.2020.SF2P.2. [Online]. Available: http://www.osapublishing.org/abstract.cfm?URI=CLEO_SI-2020-SF2P.2

[39]       M. Ding et al., "Long-length and thermally stable high-finesse Fabry-Perot interferometers made of hollow core optical fiber," Journal of Lightwave Technology, pp. 1-1, 2020, doi: 10.1109/JLT.2020.2973576.

[40]       I. A. Davidson et al., "Anti-Resonant, Mid-Infrared Silica Hollow-Core Fiber," in OSA Advanced Photonics Congress (AP) 2020 (IPR, NP, NOMA, Networks, PVLED, PSC, SPPCom, SOF), Washington, DC, 2020/07/13 2020: Optical Society of America, in OSA Technical Digest, p. SoW1H.7, doi: 10.1364/SOF.2020.SoW1H.7. [Online]. Available: http://www.osapublishing.org/abstract.cfm?URI=SOF-2020-SoW1H.7

[41]       K. A. Clark et al., "Low Thermal Sensitivity Hollow Core Fiber for Optically-Switched Data Centers," Journal of Lightwave Technology, vol. 38, no. 9, pp. 2703-2709, 2020/05/01 2020. [Online]. Available: http://jlt.osa.org/abstract.cfm?URI=jlt-38-9-2703.

[42]       F. Ben Slimen et al., "Highly-Tm3+ doped Hexagonal Clad Germanate Fiber and associated CPA system for 2 µm Pulsed Fiber Lasers and Amplifiers," in OSA Advanced Photonics Congress (AP) 2020 (IPR, NP, NOMA, Networks, PVLED, PSC, SPPCom, SOF), Washington, DC, 2020/07/13 2020: Optical Society of America, in OSA Technical Digest, p. SoTu3H.7, doi: 10.1364/SOF.2020.SoTu3H.7. [Online]. Available: http://www.osapublishing.org/abstract.cfm?URI=SOF-2020-SoTu3H.7

[43]       W. Zhu et al., "The Thermal Phase Sensitivity of both Coated and Uncoated Standard and Hollow Core Fibers down to Cryogenic Temperatures," Journal of Lightwave Technology, pp. 1-1, 2019, doi: 10.1109/JLT.2019.2960437.

[44]       W. Zhu et al., "Temperature insensitive fiber interferometry," Optics Letters, vol. 44, no. 11, pp. 2768-2770, 2019/06/01 2019, doi: 10.1364/OL.44.002768.

[45]       W. Zhu et al., "Toward High Accuracy Positioning in 5G via Passive Synchronization of Base Stations Using Thermally-Insensitive Optical Fibers," IEEE Access, vol. 7, pp. 113197-113205, 2019, doi: 10.1109/ACCESS.2019.2934982.

[46]       W. Zhu, M. Ding, M. Zhao, D. J. Richardson, and R. Slavík, "The thermal sensitivity of optical path length in standard single mode fibers down to cryogenic temperatures," in Conference on Lasers and Electro-Optics, San Jose, California, 2019/05/05 2019: Optical Society of America, in OSA Technical Digest, p. SM2L.6, doi: 10.1364/CLEO_SI.2019.SM2L.6. [Online]. Available: http://www.osapublishing.org/abstract.cfm?URI=CLEO_SI-2019-SM2L.6

[47]       Y. Wang, N. Thipparapu, S. Wang, P. Barua, D. J. Richardson, and J. K. Sahu, "O-band bismuth-doped fiber amplifier and its temperature dependent performance," in WSOF'2019, Proc. of SPIE, 2019, vol. 11206, pp. 112061X-2.

[48]       Y. Wang, N. Thipparapu, S. Wang, P. Barua, D. J. Richardson, and J. K. Sahu, "Study on the temperature dependent characteristics of O-band bismuth-doped fiber amplifier," Optics Letters, vol. 44, no. 23, pp. 5650-5653, 2019, doi: https://doi.org/10.1364/OL.44.005650.

[49]       Y. Wang, N. Thipparapu, A. Umnikov, P. Barua, D. J. Richardson, and J. K. Sahu, "Temperature Dependent Gain and Noise Figure Characteristics of O-Band Bismuth-Doped Fibre Amplifier," in ECOC'2019, Dublin, 2019, p. paper Th.1.C.2.

[50]       M. Wada et al., "High density few-mode multicore fibre amplifier for energy efficient SDM transmission," in ECOC'2019, Dublin, 22-26 September 2019 2019, p. paper W.2.C.1.

[51]       N. K. Thipparapu, Y. Wang, S. Wang, A. A. Umnikov, P. Barua, and J. K. Sahu, "Bi-doped fiber amplifiers and lasers [Invited]," Opt. Mater. Express, vol. 9, no. 6, pp. 2446-2465, 2019/06/01 2019, doi: 10.1364/OME.9.002446.

[52]       N. K. Thipparapu, Y. Wang, A. A. Umnikov, P. Barua, D. J. Richardson, and J. K. Sahu, "40dB gain all fiber bismuth-doped amplifier operating in the O-band," Optics Letters, vol. 44, no. 9, pp. 2248-2251, 2019/05/01 2019, doi: 10.1364/OL.44.002248.

[53]       N. K. Thipparapu, S. Wang, A. A. Umnikov, P. Barua, and J. K. Sahu, "All-fiber Bi-doped laser continuously tunable from 1317-1375nm," in 2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, Munich, 2019/06/23 2019: Optical Society of America, in OSA Technical Digest, p. cj_12_6. [Online]. Available: http://www.osapublishing.org/abstract.cfm?URI=CLEO_Europe-2019-cj_12_6. [Online]. Available: http://www.osapublishing.org/abstract.cfm?URI=CLEO_Europe-2019-cj_12_6

[54]       N. Thipparapu, Y. Wang, S. Wang, P. Barua, and J. K. Sahu, "Bi-doped silica-based fiber amplifier for O-band transmission," in ACP'2019, Chengdu, 2-5 November 2019 2019, p. paper S3G.6 (Invited).

[55]       N. Thipparapu, Y. Wang, A. Umnikov, P. Barua, D. J. Richardson, and J. K. Sahu, "High gain Bi-doped all fiber amplifier for O-band DWDM optical fiber communication," in OFC 2019, San Diego, CA, 2019, p. paper M1J.5.

[56]       N. Thipparapu, J. Sahu, and D. N. Payne, "O-band Bi-doped fibre amplifiers: Present and Future," Asian Journal of Physics, vol. 28, no. 7-9, pp. 475-484, 2019.

[57]       N. Taengnoi et al., "WDM Transmission With In-Line Amplification at 1.3 mu m Using a Bi-Doped Fiber Amplifier," Journal of Lightwave Technology, vol. 37, no. 8, pp. 1826-1830, Apr 2019, doi: 10.1109/jlt.2019.2897053.

[58]       N. Taengnoi, K. R. H. Bottrill, C. Lacava, D. J. Richardson, and P. Petropoulos, AMI for Nonlinearity Mitigation in O-Band Transmission (2019 Optical Fiber Communications Conference and Exhibition). 2019.

[59]       N. Taengnoi et al., "Reach extension of PAM4 signals in O-band transmission by application of alternate-mark-inversion," in ECOC'2019, Dublin, 22-26 September 2019 2019, p. paper P93.

[60]       D. Suslov et al., "Highly-efficient and low return-loss coupling of standard and antiresonant hollow-core fibers," in Frontiers in Optics + Laser Science APS/DLS, Washington, DC, 2019/09/15 2019: Optical Society of America, in OSA Technical Digest, p. FW5B.2, doi: 10.1364/FIO.2019.FW5B.2. [Online]. Available: http://www.osapublishing.org/abstract.cfm?URI=FiO-2019-FW5B.2

[61]       F. B. Slimen et al., "Highly efficient ­Tm3+ doped germanate large mode area single mode fiber laser," Opt. Mater. Express, vol. 9, no. 10, pp. 4115-4125, 2019/10/01 2019, doi: 10.1364/OME.9.004115.

[62]       R. Slavík et al., "Demonstration of opposing thermal sensitivities in hollow-core fibers with open and sealed ends," Optics Letters, vol. 44, no. 17, pp. 4367-4370, 2019/09/01 2019, doi: 10.1364/OL.44.004367.

[63]       H. Sakr et al., "Record Low Loss Hollow Core Fiber for the 1µm region," in 2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, Munich, 2019/06/23 2019: Optical Society of America, in OSA Technical Digest, p. ce_5_5. [Online]. Available: http://www.osapublishing.org/abstract.cfm?URI=CLEO_Europe-2019-ce_5_5. [Online]. Available: http://www.osapublishing.org/abstract.cfm?URI=CLEO_Europe-2019-ce_5_5

[64]       H. Sakr et al., "Hollow Core Optical Fibres for Ultra-Wideband Optical Communications," in 2019 Asia Communications and Photonics Conference (ACP), 2-5 Nov. 2019 2019, pp. 1-3.

[65]       H. Sakr et al., Ultrawide Bandwidth Hollow Core Fiber for Interband Short Reach Data Transmission (2019 Optical Fiber Communications Conference and Exhibition). 2019.

[66]       Z. Ren, J. H. V. Price, S.-u. Alam, and D. J. Richardson, "Robust, high peak power, thulium-doped fiber chirped-pulse amplification system using a dissipative soliton seed laser," in Conference on Lasers and Electro-Optics, San Jose, California, 2019/05/05 2019: Optical Society of America, in OSA Technical Digest, p. STh1E.3, doi: 10.1364/CLEO_SI.2019.STh1E.3. [Online]. Available: http://www.osapublishing.org/abstract.cfm?URI=CLEO_SI-2019-STh1E.3

[67]       Z. Ren, Q. Fu, L. Xu, J. H. V. Price, S.-u. Alam, and D. J. Richardson, "Compact, high repetition rate, 4.2 MW peak power, 1925 nm, thulium-doped fiber chirped-pulse amplification system with dissipative soliton seed laser," Opt. Express, vol. 27, no. 25, pp. 36741-36749, 2019/12/09 2019, doi: 10.1364/OE.27.036741.

[68]       P. Petropoulos et al., "Extending the Optical Bandwidth of Optical Communication Systems," in 2019 Asia Communications and Photonics Conference (ACP), 2-5 Nov. 2019 2019, p. paper M3B.1 (Invited).

[69]       M. Partridge et al., Exploring the stability and repeatability of a hollow core fibre Raman gas sensor (Seventh European Workshop on Optical Fibre Sensors). SPIE, 2019.

[70]       M. Partridge et al., "Gas flow within Hollow Core optical fibers," in Conference on Lasers and Electro-Optics, San Jose, California, 2019/05/05 2019: Optical Society of America, in OSA Technical Digest, p. STh1L.2, doi: 10.1364/CLEO_SI.2019.STh1L.2. [Online]. Available: http://www.osapublishing.org/abstract.cfm?URI=CLEO_SI-2019-STh1L.2

[71]       A. Nespola et al., "Record PM-16QAM and PM-QPSK Transmission Distance (125 and 340 km) over Hollow-Core-Fiber," in ECOC'2019, Dublin, 22-26 September 2019 2019, p. paper PD1.5 (Postdeadline).

[72]       Z. Liu et al., "Nonlinearity-Free Coherent Transmission in Hollow-Core Antiresonant Fiber," Journal of Lightwave Technology, vol. 37, no. 3, pp. 909-916, 2019, doi: 10.1109/JLT.2018.2883541.

[73]       M. Komanec et al., "Low-Loss and Low-Back-Reflection Hollow-Core to Standard Fiber Interconnection," IEEE Photonics Technology Letters, vol. 31, no. 10, pp. 723-726, 2019, doi: 10.1109/LPT.2019.2902635.

[74]       H. Kim, Y. Jung, Y. Chen, S. Rikimi, F. Poletti, and D. Richardson, "Free Space based Hollow Core Fiber Interconnection and Associated In-Line Components," in OFC 2019, San Diego, CA, 2019, p. paper Th3E.3.

[75]       Y. Jung, A. Wood, S. Jain, Y. Sasaki, S.-U. Alam, and D. J. Richardson, "Fully integrated optical isolators for space division multiplexed (SDM) transmission," APL Photonics, vol. 4, no. 2, p. 022801, 2019, doi: 10.1063/1.5050332.

[76]       Y. Jung et al., "High Spatial Density 6-Mode 7-Core Multicore L-Band Fiber Amplifier," in OFC 2019, San Diego, CA, 2019, p. paper Th1B.7.

[77]       Y. Jung et al., "Multiport Micro-Optic Devices For Hollow Core Fibre Applications," in ECOC'2019, Dublin, 22-26 September 2019 2019, p. paper Tu.2.E.4.

[78]       G. T. Jasion, D. J. Richardson, and F. Poletti, "Novel Antiresonant Hollow Core Fiber Design with Ultralow Leakage Loss using Transverse Power Flow Analysis," in 2019 Optical Fiber Communications Conference and Exhibition (OFC), 3-7 March 2019 2019, pp. 1-3.

[79]       G. T. Jasion et al., "Fabrication of tubular anti-resonant hollow core fibers: modelling, draw dynamics and process optimization," Opt. Express, vol. 27, no. 15, pp. 20567-20582, 2019/07/22 2019, doi: 10.1364/OE.27.020567.

[80]       D. Jain, N. K. Thipparapu, and J. K. Sahu, "Bismuth doped fiber for filtering applications," in 2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, Munich, 2019/06/23 2019: Optical Society of America, in OSA Technical Digest, p. cj_p_39. [Online]. Available: http://www.osapublishing.org/abstract.cfm?URI=CLEO_Europe-2019-cj_p_39. [Online]. Available: http://www.osapublishing.org/abstract.cfm?URI=CLEO_Europe-2019-cj_p_39

[81]       Y. Hong et al., "Dual O+C-band WDM transmission over 1-km hollow core NANF using an O-band Bismuth-doped fibre amplifier," in ECOC'2019, Dublin, 22-26 September 2019 2019, p. paper Tu.2.E.1 (Extended).

[82]       Y. Hong et al., "Beyond 100-Gb/s/λ direct-detection transmission over the S+C+L-bands in an ultra-wide bandwidth hollow core fibre," in ECOC'2019, Dublin, 22-26 September 2019 2019, p. p. Th.2.E5.

[83]       J. A. Grant-Jacob et al., "Fibre-optic based particle sensing via deep learning," Journal of Physics: Photonics, vol. 1, no. 4, p. 044004, 2019/09/30 2019, doi: 10.1088/2515-7647/ab437b.

[84]       Q. Fu et al., "High-beam-quality, watt-level, widely tunable, mid-infrared OP-GaAs optical parametric oscillator," Optics Letters, vol. 44, no. 11, pp. 2744-2747, 2019/06/01 2019, doi: 10.1364/OL.44.002744.

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[92]       M. A. Bukshtab, H. C. Mulvad, R. Slavik, F. Poletti, and D. J. Richardson, "On the Possibility of Structural Characterisation of Hollow Core Fibres using Whispering Gallery Modes Excited by Laser and Broadband Light," in 2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, Munich, 2019/06/23 2019: Optical Society of America, in OSA Technical Digest, p. ce_5_4. [Online]. Available: http://www.osapublishing.org/abstract.cfm?URI=CLEO_Europe-2019-ce_5_4. [Online]. Available: http://www.osapublishing.org/abstract.cfm?URI=CLEO_Europe-2019-ce_5_4

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[97]       N. Taengnoi et al., "Amplified O-band WDM Transmission using a Bi-doped Fibre Amplifier," in ECOC 2018, Rome, Italy, 23-27 September 2018 2018, p. paper Mo3E.2.

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[104]     S. Liang, L. Xu, Q. Fu, D. P. Shepherd, D. J. Richardson, and S. U. Alam, "A Watt-level Supercontinuum Source from a Fiber-laser-pumped Fluoroindate Fiber Spanning 750 nm to 5 μm," in Conference on Lasers and Electro-Optics (CLEO), San Jose, California, 13-18 May 2018 2018, p. paper SM4K.2.

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[107]     Y. Jung, K. Harrington, S. Yerolatsitis, S. U. Alam, D. J. Richardson, and T. Birks, "Adiabatic Higher Order Mode Guidance in Optical Microfibres," in ECOC 2018, Rome, Italy, 23-27 September 2018 2018, p. paper Tu1E.5.

[108]     Y. Jung, S. U. Alam, and D. J. Richardson, "Enabling Component Technologies for Space Division Multiplexing," in 2018 Optical Fiber Communications Conference and Exposition (OFC), 11-15 March 2018 2018, pp. 1-3.

[109]     Q. Fu, L. Xu, S. J. Liang, D. P. Shepherd, D. J. Richardson, and S. U. Alam, "Widely Tunable, Narrow-Linewidth, High-Peak-Power, Picosecond Midinfrared Optical Parametric Amplifier," Ieee Journal of Selected Topics in Quantum Electronics, vol. 24, no. 5, Sep-Oct 2018, Art no. 5100706, doi: 10.1109/jstqe.2018.2789878.

[110]     Q. Fu, L. Xu, S. Liang, D. P. Shepherd, D. J. Richardson, and S. U. Alam, "Picosecond fiber-laser-pumped widely tunable, narrow-linewidth,high-peak-power,mid-infrared OP-GaAs OPA," in Conference on Lasers and Electro-Optics (CLEO), San Jose, California, 13-18 May 2018 2018, p. paper STh3F.2.

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[118]     J. Bohata, M. Komanec, J. Spáčil, S. Zvánovec, Z. Ghassemlooy, and R. Slavík, "Hybrid RoF-RoFSO System Using Directly Modulated Laser for 24 – 26 GHz 5G Networks," in 2018 11th International Symposium on Communication Systems, Networks & Digital Signal Processing (CSNDSP), 18-20 July 2018 2018, pp. 1-5, doi: 10.1109/CSNDSP.2018.8471867.

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