The University of Southampton
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Zepler Institute
Telephone:
+442380593141
Email:
peter.shardlow@soton.ac.uk

Dr Peter Shardlow PhD, MSci, DIC, ARCS

Peter is an experienced fibre, solid state and laser systems physicist and engineer with much of his work encompassing next generation high-power industrial laser system development. He is currently a Senior Enterprise Fellow at the University of Southampton. His recent work has primarily focused in technology transfer to industry partners of high power 1.5-2µm fibre, solid state, and hybrid lasers. This has encompassed: optical fibre development; benchtop optical R&D; team management; computational modelling; ruggedisation and ultimately system delivery into the industrial and defence sectors.

Publications

Heidt, A.M., Li, Z., Sahu, J., Shardlow, P.C., Becker, M., Rothhardt, M., Ibsen, M., Phelan, R., Kelly, B., Alam, S.U. and Richardson, D.J. (2013) 100kW peak power picosecond thulium-doped fiber amplifier system seeded by a gain-switched diode laser at 2µm. Optics Letters, 38 (10), 1615-1617. (doi:10.1364/OL.38.001615).

Heidt, A.M., Li, Z., Sahu, J.K., Shardlow, P.C., Becker, M., Rothhardt, M., Ibsen, M., Phelan, R., Kelly, B., Alam, S.-U. and Richardson, D.J. (2013) 35 kW peak power picosecond pulsed thulium-doped fibre amplifier system seeded by a gain-switched laser diode at 2 microns. CLEO-Europe/IQEC 2013, , Munich, Germany. 12 - 16 May 2013. 1 pp .

Jung, Y., Shardlow, P.C., Belal, M., Li, Z., Heidt, A.M., Daniel, J.M.O., Jain, D., Sahu, J.K, Clarkson, W.A., Corbett, B., O'Callaghan, J., Alam, S.U. and Richardson, D.J. (2014) First demonstration of a 2µm few-mode TDFA for mode division multiplexing. Optics Express, 22 (9), 10544-10549. (doi:10.1364/OE.22.010544).

Shardlow, Peter C. and Damzen, Michael J. (2013) Phase-conjugate self-organized coherent beam combination. In, Brignon, Arnaud (ed.) Coherent Laser Beam Combining. Weinheim, DE. Wiley.

Arbabzadah, E., Shardlow, P.C. and Damzen, M. (2013) Laser pulse control of a Q-switched Nd:YVO4 bounce geometry laser using a secondary cavity. 2013 Conference on Lasers & Electro-Optics Europe & International Quantum Electronics Conference CLEO EUROPE/IQEC, , Munich, Germany. 12 - 16 May 2013. 1 pp .

Jung, Y., Shardlow, P.C., Belal, M., Li, Z., Heidt, A.M., Daniel, J.M.O., Jain, D., Sahu, J.K., Clarkson, W.A., Corbett, B., O'Callaghan, J., Alam, S.-U. and Richardson, D.J. (2014) Few-mode TDFA for mode division multiplexing at 2µm. IEEE Summer Topical Meeting, , Montréal, Canada. 14 - 16 Jul 2014. (doi:10.1109/SUM.2014.85).

Lin, Di, Shardlow, P., Beresna, M., Kazansky, P.G. and Clarkson, W.A. (2014) Efficient conversion to radial polarization in the two-micron band using a continuously space-variant half-waveplate. 6th EPS-QEOD Europhoton Conference, , Neuchatel, Switzerland. 23 - 27 Aug 2014. 1 pp .

Daniel, J.M.O., Simakov, N., Shardlow, P.C. and Clarkson, W.A. (2014) Effect of seed linewidth on few-moded fiber amplifiers. Conference on Lasers and Electro-Optics (CLEO): Science and Innovations, San Jose, United States. 07 - 12 Jun 2014. (doi:10.1364/CLEO_SI.2014.STu2N.7).

Li, Z., Alam, S., Daniel, J.M.O., Shardlow, P.C., Jain, D., Simakov, N., Heidt, A.M., Jung, Y., Sahu, J.K., Clarkson, W.A. and Richardson, D.J. (2014) 90nm gain extension towards 1.7µm for diode-pumped silica-based thulium-doped fiber amplifiers. ECOC 2014 Conference, , Cannes, France. 21 - 25 Sep 2014.

Li, Z., Jung, Y., Daniel, J.M.O., Simakov, N., Shardlow, P.C., Heidt, A.M., Clarkson, W.A., Alam, S.U. and Richardson, D.J. (2015) Extreme short wavelength operation (1.65 - 1.7 µm) of silica-based thulium-doped fiber amplifier. OFC'15, , Los Angeles, United States. 22 - 26 Mar 2015.

Lin, Di, Shardlow, P., Butler, A., Beresna, M., Kazansky, P.G. and Clarkson, W.A. (2015) Generation of radially-polarized and azimuthally-polarized beams in the two-micron band using a space-variant half-wave plate. SPIE Photonics West '15, , San Francisco, United States. 07 - 12 Feb 2015.

Arbabzadah, E.A., Shardlow, P.C., Minassian, A. and Damzen, M.J. (2014) Pulse control in a Q-switched Nd:YVO4 bounce geometry laser using a secondary cavity. Optics Letters, 39 (12), 3437-3440. (doi:10.1364/OL.39.003437).

Shardlow, P.C., Ward, J., Pannell, C., Valle, S. and Clarkson, W.A. (2015) Null-frequency-shift acousto-optic tunable filter for wavelength tuning of a Tm fibre laser. CLEO/Europe-EQEC 2015, , Munich, Germany. 21 - 25 Jun 2015. 1 pp .

Billaud, A., Shardlow, P.C., Butler, A., Jain, D., Sahu, J.K. and Clarkson, W.A. (2015) High power spectrally-tailorable thulium-doped fibre amplified spontaneous emission source. CLEO/Europe-EQEC '15, , Munich, Germany. 20 - 24 Jun 2015. 1 pp .

Shardlow, P.C., Standish, R., Sahu, J.K. and Clarkson, W.A. (2015) Cladding shaping of optical fibre preforms via CO2 laser machining. CLEO/Europe-EQEC '15, , Munich, Germany. 20 - 24 Jun 2015. 1 pp .

Shardlow, P.C., Jain, D., Parker, Richard, Sahu, J.K. and Clarkson, W.A. (2015) Optimising Tm-doped silica fibres for high lasing efficiency. CLEO/Europe-EQEC '15, Munich, Germany. 20 - 24 Jun 2015. 1 pp .

Billaud, A., Shardlow, P.C., Daniel, J.M.O. and Clarkson, W.A. (2014) Spectrally-tailored thulium-doped fibre amplified spontaneous emission source at two-microns. 6th EPS-QEOD Europhoton Conference, , Neuchatel, Switzerland. 23 - 27 Aug 2014.

Sones, C.L., Katis, I.N., He, P.J.W., Mills, B., Namiq, M.F., Shardlow, P., Ibsen, M. and Eason, R.W. (2014) Laser-induced photo-polymerisation for creation of paper-based fluidic devices. Lab on a Chip, 14 (23), 4567-4574. (doi:10.1039/C4LC00850B).

Glebov, Alexei L., Leisher, Paul O., Stevens, Gary, Legg, Thomas H. and Shardlow, Peter (2015) Optical isolators for 2-micron fibre lasers. In Components and Packaging for Laser Systems. vol. 9346, SPIE. 93460O . (doi:10.1117/12.2077505).

Lin, Di, Shardlow, Peter, Beresna, Martynas, Kazansky, Peter and Clarkson, William (2015) Tm-doped fibre laser with radially-polarized output beam at 2 µm. 2015 European Conference on Lasers and Electro-Optics - European Quantum Electronics Conference, , Munchen, Germany. 21 - 25 Jun 2015.

Jung, Yongmin, Simakov, Nikita, Daniel, Jae, Jain, Deepak, Shardlow, Peter, Heidt, Alexander, Sahu, Jayanta, Hemming, A, Clarkson, William, Alam, Shaif-ul and Richardson, David (2016) Silica-based thulium doped fiber amplifiers for wavelengths beyond the L-band. Optical Fiber Communication Conference (OFC) 2016, , Anaheim, CA. 20 - 24 Mar 2016.

Li, Z., Jung, Y., Daniel, J.M.O., Simakov, N., Tokurakawa, M., Shardlow, P.C., Jain, D., Sahu, J.K., Heidt, A.M., Clarkson, W.A., Alam, S.U. and Richardson, D.J. (2016) Exploiting the short wavelength gain of silica-based thulium-doped fiber amplifiers. Optics Letters, 41 (10), 2197-2200. (doi:10.1364/OL.41.002197).

Simakov, Nikita, Li, Zhihong, Jung, Yongmin, Daniel, Jae M.O., Barua, Pranabesh, Shardlow, Peter C., Liang, Sijing, Sahu, Jayanta K., Hemming, Alexander, Clarkson, W. Andrew, Alam, Shaif-ul and Richardson, David J. (2016) High gain holmium-doped fibre amplifiers. Optics Express, 24 (13), 13946-13956. (doi:10.1364/OE.24.013946).

Billaud, A., Shardlow, P.C., Boyd, K., Simakov, N., Hemming, A. and Clarkson, W.A. (2016) Enhanced pump absorption in double-clad fibres using localised laser-machined mode scramblers. 7th EPS-QEOD Europhoton Conference, Vienna, Austria. 20 - 25 Aug 2016. 1 pp .

Billaud, Antonin, Shardlow, Peter C. and Clarkson, W.A. (2016) Wavelength-flexible thulium-doped fiber laser employing a digital micro-mirror device tuning element. Conference on Lasers and Electro-Optics 2016, , San Jose, United States. 04 - 09 Jun 2016. 2 pp . (doi:10.1364/CLEO_SI.2016.SM3Q.3).

Clarkson, William, Lin, Di, Beresna, Martynas, Kazansky, Peter and Shardlow, Peter (2015) Cladding-pumped radially-polarized fiber lasers. Advanced Solid State Lasers (ASSL), , Berlin, Germany. 03 - 08 Oct 2015. 1 pp . (doi:10.1364/ASSL.2015.AW2A.4).

Shardlow, P.C., Simakov, N., Billaud, A., Daniel, J.M.O., Barua, P., Sahu, J., Hemming, A. and Clarkson, W.A. (2017) Holmium doped fibre optimised for resonant cladding pumping. European Quantum Electronics Conference 2017, , Munich, Germany. 25 - 29 Jun 2017.

Gow, Paul C., Jantzen, Alexander, Boyd, Keiron, Simakov, Nikita, Daniel, Jae, M.O., Gray, Alan C., Gates, James C., Shardlow, Peter, Smith, Peter G.R. and Holmes, Christopher (2018) Consolidation of flame hydrolysis deposited silica with a 9.3 µm wavelength CO2 laser. Electronics Letters, 54 (15), 945-947. (doi:10.1049/el.2018.0039).

Burns, Mark, Shardlow, Peter, Barua, Pranabesh, Jefferson-Brain, Thomas, Lewis, Sahu, Jayanta and Clarkson, W.A. (2019) High power 1726nm operation of a thulium fiber laser pumped in-band by an erbium-only fiber laser. In Proceedings Volume 10897, Fiber Lasers XVI: Technology and Systems. SPIE. 1 pp . (doi:10.1117/12.2510354).

Jefferson-Brain, T.L., Liu, Q., Shardlow, P.C. and Clarkson, W.A. (2019) Generation and amplification of a LG01 laser with a thermally-guiding fiber-rod. In Solid State Lasers XXVIII: Technology and Devices. SPIE..

Jefferson-Brain, Thomas Lewis, Smith, Callum R., Burns, Mark, Shardlow, Peter and Clarkson, W.A. (2019) Amplification of a radially polarized beam in a thermally-guiding fiber-rod amplifier. In Solid State Lasers XXVIII: Technology and Devices. SPIE. 1 pp .

Fu, Qiang (2019) Dataset for High beam quality, watt-level, widely tunable, mid-infrared OP-GaAs optical parametric oscillator. University of Southampton doi:10.5258/SOTON/D0898 [Dataset]

Fu, Qiang, Xu, Lin, Liang, Sijing, Shardlow, Peter, Shepherd, David, Alam, Shaif-Ul and Richardson, David (2019) High-beam-quality, watt-level, widely tunable, mid-infrared OP-GaAs optical parametric oscillator. Optics Letters, 44 (11), 2744-2747. (doi:10.1364/OL.44.002744).

Burns, Mark, Shardlow, Peter, Jefferson-Brain, Thomas, Lewis, Barua, Pranabesh, Sahu, Jayanta and Clarkson, William (2019) 47 W continuous-wave 1726 nm thulium fiber laser core-pumped by an erbium fiber laser. Optics Letters, 44 (21), 5230-5233. (doi:10.1364/OL.44.005230).

Fu, Q., Xu, L., Liang, S., Shardlow, P.C., Shepherd, D.P., Alam, S.U. and Richardson, D.J. (2019) Mid-infrared, idler-resonant, picosecond OP-GAAS OPO with wide tunability and good beam quality. In 2019 Conference on Lasers and Electro-Optics. OSA.. (doi:10.1364/CLEO_AT.2019.JW2A.44).

Clarkson, W. Andrew, Lin, Di, Beresna, Martynas, Kazansky, Peter G. and Shardlow, Peter C. (2016) High power fiber lasers with radially polarized output beams. In CLEO: Science and Innovations 2016. OSA.. (doi:10.1364/CLEO_SI.2016.SM4Q.1).

Jefferson-Brain, Thomas, Lewis, Coupe, Azaria, Deborah, Burns, Mark, Clarkson, William and Shardlow, Peter (2019) Alignment of higher-order mode solid-state laser systems with machine learning diagnostic assistance. 2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019, ICM – International Congress Centre, Munich, Germany. 22 - 26 Jun 2019.

Jefferson-Brain, Thomas, Lewis, Smith, Callum R, Burns, Mark, Shardlow, Peter and Clarkson, William (2019) Amplification of a radially polarized beam in a thermally guiding ytterbium-doped fiber rod. Applied Physics B, 125 (9), 125-132, [9]. (doi:10.1007/s00340-019-7276-y).

Clarkson, William, Holmen, Lars Gronmark, Shardlow, Peter, Barua, Pranabesh, Sahu, Jayanta, Simakov, Nikita and Hemming, A (2019) Tunable holmium-doped fiber laser with multi-watt operation from 2025 nm to 2200 nm. Optics Letters, 44 (17), 1-4. (doi:10.1364/OL.44.004131).

Clarkson, William, Holmen, Lars Gronmark and Shardlow, Peter (2019) Data for Tunable Holmium-doped Fiber Laser with Multi-watt Operation from 2025 nm to 2200 nm paper. University of Southampton doi:10.5258/SOTON/D0987 [Dataset]

Burns, Mark, Shardlow, Peter, Barua, Pranabesh, Jefferson-Brain, Thomas, Lewis, Sahu, Jayanta and Clarkson, William (2019) Thulium-doped Fibre Laser with 25 W Single-mode Output at 1726 nm. In OSA Technical Digest: 2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference. OSA.. (doi:10.1109/CLEOE-EQEC.2019.8872760).

Barber, Matthew J., Shardlow, Peter C., Barua, Pranabesh, Sahu, Jayanta K. and Clarkson, W. Andrew (2019) Ring-doped Tm fibres for high-efficiency cladding-pumped 1907 nm lasers. Advanced Solid State Lasers Conference (ASSL), , Vienna, Austria. 29 Sep - 03 Oct 2019. AW4A.4 . (doi:10.1364/ASSL.2019.AW4A.4).

Fu, Qiang (2020) Dataset for 'High-average-power picosecond mid-infrared OP-GaAs OPO'. University of Southampton doi:10.5258/SOTON/D1191 [Dataset]

Fu, Qiang, Xu, Lin, Liang, Sijing, Shardlow, Peter, Shepherd, David, Alam, Shaif-Ul and Richardson, David (2020) High-average-power picosecond mid-infrared OP-GaAs OPO. Optics Express, 28 (4), 5741-5748. (doi:10.1364/OE.380189).

Simakov, N., Li, Z., Alam, S.U., Shardlow, P.C., Daniel, J.M.O., Jain, D., Sahu, J.K., Hemming, A., Clarkson, W.A. and Richardson, D.J. (2015) Holmium-doped fiber amplifier for optical communications at 2.05 - 2.13 µm. Optical Fiber Communication Conference 2015, , Los Angeles, United States. 22 - 26 Mar 2015. (doi:10.1364/OFC.2015.Tu2C.6).

Shardlow, P.C., Barber, M.J., Butler, A.C. and Clarkson, W.A. (2019) Hybrid Ho:YAG laser with 50W radially-polarised output. 2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019, ICM – International Congress Centre, Munich, Germany. 22 - 26 Jun 2019. 1 pp . (doi:10.1109/CLEOE-EQEC.2019.8871524).

Holmen, L.G., Shardlow, P.C., Barua, P., Sahu, J.K., Simakov, N., Hemming, A. and Clarkson, W.A. (2019) Multi-watt operation of a holmium doped silica fibre laser at 2.2 µm. 2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019, ICM – International Congress Centre, Munich, Germany. 22 - 26 Jun 2019. 1 pp . (doi:10.1109/CLEOE-EQEC.2019.8872447).

Pidishety, S., Barua, P., Shardlow, P.C., Rojas Hernández, P.G., Belal, M., Feng, Yutong, Thipparapu, N.K., Sahu, J.K. and Nilsson, J. (2019) Short-wavelength, near-diffraction-limited beam, 792 nm cladding pumped efficient thulium-doped fiber laser in a power-scalable fiber design. 2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019, ICM – International Congress Centre, Munich, Germany. 22 - 26 Jun 2019. 1 pp . (doi:10.1109/CLEOE-EQEC.2019.8872273).

Billaud, A., Shardlow, P.C. and Clarkson, W.A. (2017) Narrow-band wavelength-tunable thulium fiber ring laser. 2017 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), , Munich, Germany. 25 - 29 Jun 2017. (doi:10.1109/CLEOE-EQEC.2017.8087000).

Stevens, G., Legg, T. and Shardlow, P. (2016) Integrated disruptive components for 2 µm fiber Lasers (ISLA): project overview and passive component development. Proceedings of SPIE, 9730. (doi:10.1117/12.2207613).

Ward, J.D., Stevens, G. and Shardlow, P.C. (2016) Acousto-optic devices for operation with 2 µm fiber Lasers. Proceedings of SPIE, 9730. (doi:10.1117/12.2209352).

Shardlow, P.C., Minassian, A. and Damzen, M.J. (2011) Coherent beam combining of self-adaptive lasers. International Quantum Electronics Conference and Conference on Lasers and Electro-Optics (CLEO PR-IQEC 2011), , Sydney, Australia. 29 Aug - 01 Sep 2011. pp. 1106-1107 . (doi:10.1109/IQEC-CLEO.2011.6193621).

Barber, Matthew James, Shardlow, Peter, Barua, Pranabesh, Sahu, Jayanta and Clarkson, William (2020) Cladding-pumped nested-ring Tm fiber laser with 131 W single-mode output at 1907 nm. Dong, Liang (ed.) In Fiber Lasers XVII: Technology and Systems. vol. 11260, SPIE.. (doi:10.1117/12.2544414).

Jefferson-Brain, Thomas Lewis, Barber, Matthew James, Coupe, Azaria Deborah, Clarkson, William and Shardlow, Peter (2020) Control and stabilization of spatial mode quality in a radially polarized solid-state laser using machine learning. Clarkson, W. Andrew and Shori, Ramesh K. (eds.) In Solid State Lasers XXIX: Technology and Devices. vol. 11259, SPIE.. (doi:10.1117/12.2551145).

Barber, Matthew James, Shardlow, Peter, Barua, Pranabesh, Sahu, Jayanta and Clarkson, William (2020) Nested-ring doping for highly efficient 1907 nm short-wavelength cladding-pumped thulium fiber lasers. University of Southampton doi:10.5258/SOTON/D1443 [Dataset]

Barber, Matthew James, Shardlow, Peter, Barua, Pranabesh, Sahu, Jayanta and Clarkson, William (2020) Nested-ring doping for highly efficient 1907 nm short-wavelength cladding-pumped thulium fiber lasers. Optics Letters, 45 (19), 5542-5545. (doi:10.1364/OL.401228).

Fu, Qiang (2020) Dataset for: Controllable duration and repetition-rate picosecond pulses from a high-average-power OP-GaAs OPO. University of Southampton doi:10.5258/SOTON/D1504 [Dataset]

Fu, Qiang, Wu, Yudi, Liang, Sijing, Shardlow, Peter, Shepherd, David, Alam, Shaif-Ul, Xu, Lin and Richardson, David J. (2020) Controllable duration and repetition-rate picosecond pulses from a high-average-power OP-GaAs OPO. Optics Express. (In Press)

Burns, Mark (2021) Dataset for support of thesis 'Development of Short-wave Infrared Fibre Lasers'. University of Southampton doi:10.5258/SOTON/D1946 [Dataset]

Burns, Mark, Shardlow, Peter, Barua, Pranabesh, Jefferson-Brain, Thomas, Lewis, Sahu, Jayanta K. and Clarkson, William A. (2020) 47-W 1726-nm operation of a thulium fiber laser pumped in-band by an erbium-only fiber laser. In Fiber Lasers XVII: Technology and Systems. vol. 11260, SPIE.. (doi:10.1117/12.2544933).

Burns, Mark, Clarkson, William A. and Shardlow, Peter (2021) Widely-tunable operation of a thulium doped fiber laser between 1654 nm and 2025 nm. In CLEO Europe. OSA..

Jefferson-Brain, Thomas, Barber, Matthew, James, Coupe, Azaria, Clarkson, William and Shardlow, Peter (2022) Stabilisation of transverse mode purity in a radially polarised Ho:YAG laser using machine learning. University of Southampton doi:10.5258/SOTON/D2142 [Dataset]

Jefferson-Brain, Thomas, Barber, Matthew, James, Coupe, Azaria, Clarkson, W.A. and Shardlow, Peter (2022) Stabilisation of transverse mode purity in a radially polarised Ho:YAG laser using machine learning. Applied Physics B, 128 (110), [110]. (doi:10.1007/s00340-022-07816-9).

Barber, Matthew, James, Shardlow, Peter, Smith, Callum and Clarkson, William (2022) Dataset to support the paper '33 W radially polarized emission from a double-pass Ho:YAG thin-slab amplifier'. University of Southampton doi:10.5258/SOTON/D2237 [Dataset]

Barber, Matthew, James, Shardlow, Peter, Lei, Yuhao, Kazansky, Peter and Clarkson, William (2022) Dataset to support the paper 'Actively Q-switched radially polarized Ho:YAG laser with an intra-cavity laser-written S-waveplate'. University of Southampton doi:10.5258/SOTON/D2236 [Dataset]

Barber, Matthew James, Shardlow, Peter, Smith, Callum Robertson and Clarkson, W.A. (2022) 33 W radially polarized emission from a double-pass Ho:YAG thin-slab amplifier. Journal of the Optical Society of America B, 39 (9), 2395-2399. (doi:10.1364/JOSAB.465778).

Barber, Matthew James, Shardlow, Peter, Lei, Yuhao, Kazansky, Peter G. and Clarkson, W.A. (2022) Actively Q-switched radially polarized Ho:YAG laser with an intra-cavity laser-written S-waveplate. Optics Letters, 47 (17), 4508-4511. (doi:10.1364/OL.467960).

Contact

Telephone: +44 (0) 23 8059 3141

Email: peter.shardlow@soton.ac.uk

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