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  • Jonathan Knight
2019

Ultra-low background Raman sensing using a negative-curvature fibre and no distal optics

Yerolatsitis, S., Yu, F., McAughtrie, S., Tanner, M. G., Fleming, H., Stone, J. M., Campbell, C. J., Birks, T. A. & Knight, J. C., 1 Mar 2019, In : Journal of Biophotonics. 12, 3, p. 1-6 6 p., e201800239.

Research output: Contribution to journalArticle

Open Access
3 Citations (Scopus)
2015

High energy green nanosecond and picoseconds pulse delivery through a negative curvature fiber for precision micro-machining

Jaworski, P., Yu, F., Carter, R. M., Knight, J. C., Shephard, J. D. & Hand, D. P., 6 Apr 2015, In : Optics Express. 23, 7, p. 8498-8506 9 p.

Research output: Contribution to journalArticle

Open Access
File
43 Citations (Scopus)
99 Downloads (Pure)
2011

Time-and frequency-domain measurements of solitons in subwavelength silicon waveguides using cross-correlation

Ding, W., Gorbach, A. V., Wadsworth, W. J., Knight, J. C., Skryabin, D. V., Strain, M. J., Sorel, M. & De La Rue, R. M., 1 Dec 2011, Quantum Electronics and Laser Science Conference, QELS 2011. OSA Publishing, QELS.2011.QFF2. (Optics InfoBase Conference Papers).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2018

45W 2 μm nanosecond pulse delivery using antiresonant hollow-core fiber

Lee, E., Luo, J., Sun, B., Ramalingam, V. L., Yu, X., Wang, Q., Yu, F. & Knight, J. C., 1 Jan 2018, CLEO - Science and Innovations, CLEO_SI 2018: Volume Part F94-CLEO_SI 2018. OSA Publishing, 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2016

Spectral broadening and pulse compression using argon filled hollow-core negative curvature fiber

Harvey, C. M., Yu, F., Knight, J. C., Wadsworth, W. J. & Almeida, P. J., 16 Dec 2016, 2016 Conference on Lasers and Electro-Optics, CLEO 2016. IEEE, 7789162

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Pulsed and CW mid-infrared acetylene gas hollow-core fiber laser

Yu, F., Hassan, M. R. A., Wadsworth, W. & Knight, J., 11 Jul 2016, Specialty Optical Fibers, (SOF) 2016. OSA Publishing, Vol. Part F18-SOF 2016.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2013

Limits of hollow core negative curvature fiber

Yu, F. & Knight, J. C., 2013, 2013 Conference on Lasers and Electro-Optics, CLEO 2013. IEEE, p. 6833562

Research output: Chapter in Book/Report/Conference proceedingChapter

2017

Experimental measurement of supercontinuum coherence in highly nonlinear soft-glass photonic crystal fibers

Zhang, Y., Kainerstorfer, J., Knight, J. C. & Omenetto, F. G., 7 Aug 2017, In : Optics Express. 25, 16, p. 18842-18852 11 p.

Research output: Contribution to journalArticle

Open Access
File
5 Citations (Scopus)
133 Downloads (Pure)
2014

High peak power nanosecond and picosecond pulse delivery through a hollow-core Negative Curvature Fiber in the green spectral region for micro-machining

Jaworski, P., Yu, F., Carter, R. M., Wadsworth, W. J., Birks, T. A., Knight, J. C., Shephard, J. D. & Hand, D. P., 2014, Specialty Optical Fibers, SOF 2014. OSA Publishing

Research output: Chapter in Book/Report/Conference proceedingConference contribution

File
115 Downloads (Pure)

Highly birefringent 98-core fiber

Stone, J. M., Yu, F. & Knight, J. C., 1 Aug 2014, In : Optics Letters. 39, 15, p. 4568-4570 3 p.

Research output: Contribution to journalArticle

Open Access
File
10 Citations (Scopus)
130 Downloads (Pure)
2016

Adaptive multiphoton endomicroscopy through a dynamically deformed multicore optical fiber using proximal detection

Warren, S. C., Kim, Y., Stone, J. M., Mitchell, C., Knight, J. C., Neil, M. A. A., Paterson, C., French, P. M. W. & Dunsby, C., 19 Sep 2016, In : Optics Express. 24, 19, p. 21474-21484

Research output: Contribution to journalArticle

16 Citations (Scopus)
2014

Hollow antiresonant fibers with low bending loss

Belardi, W. & Knight, J. C., 21 Apr 2014, In : Optics Express. 22, 8, p. 10091-10096 6 p.

Research output: Contribution to journalArticle

Open Access
103 Citations (Scopus)
67 Downloads (Pure)
2011

Spatio-temporal nonlinear optics in arrays of subwavelength waveguides

Ding, W., Gorbach, A. V., Staines, O. K., De Nobriga, C. E., Hobbs, G. D., Wadsworth, W. J., Knight, J. C., Skryabin, D. V., Samarelli, A., Sorel, M. & De La Rue, R. M., May 2011, Quantum Electronics and Laser Science Conference, 2011. Washington DC, U. S. A.: OSA Publishing

Research output: Chapter in Book/Report/Conference proceedingChapter

Open Access
File
124 Downloads (Pure)

Spatiotemporal nonlinear optics in arrays of subwavelength waveguides

Gorbach, A. V., Ding, W., Staines, O. K., De Nobriga, C. E., Hobbs, G. D., Wadsworth, W. J., Knight, J. C., Skryabin, D. V., Samarelli, A., Sorel, M. & De La Rue, R. M., May 2011, 2011 Conference on Lasers and Electro-Optics: Laser Science to Photonic Applications, CLEO 2011. Piscataway, NJ: IEEE, 1 p. 5942707

Research output: Chapter in Book/Report/Conference proceedingChapter

Open Access
File
126 Downloads (Pure)
2017

Gas filled hollow core mid-IR fibre lasers

Wadsworth, W. J., Love, A. L., Yu, F., Hassan, M. R. A., Xu, M. & Knight, J. C., 2017, The European Conference on Lasers and Electro-Optics, CLEO_Europe 2017: Part F82. OSA Publishing

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2018

Improving SERS diagnostics with hollow-core negative curvature fibers

Knight, J. & Yerolatsitis, S., 1 Jan 2018, In : Spectroscopy . 33, 1, p. 24-29 6 p.

Research output: Contribution to journalReview article

2013

Delivery of high-power nanosecond and picosecond pulses through a hollow-core Negative Curvature Fibre for micro-machining applications

Jaworski, P., Yu, F., Maier, R. R. J., Wadsworth, W. J., Birks, T. A., Knight, J. C., Shephard, J. D. & Hand, D. P., 2013, Optics InfoBase Conference Papers.

Research output: Chapter in Book/Report/Conference proceedingChapter

2012

Delivery of high energy Er:YAG pulsed laser light at 2.94ím through a silica hollow core photonic crystal fibre

Urich, A., Maier, R. R. J., Mangan, B. J., Renshaw, S., Knight, J. C., Hand, D. P. & Shephard, J. D., 2012, In : Optics Express. 20, 6, p. 6677-6684 8 p.

Research output: Contribution to journalArticle

File
34 Citations (Scopus)
91 Downloads (Pure)

Modulational instability in a silicon-on-insulator directional coupler: Role of the coupling-induced group velocity dispersion

Ding, W., Staines, O. K., Hobbs, G. D., Gorbach, A. V., De Nobriga, C., Wadsworth, W. J., Knight, J. C., Skryabin, D. V., Strain, M. J., Sorel, M. & De La Rue, R. M., 15 Feb 2012, In : Optics Letters. 37, 4, p. 668-670 3 p.

Research output: Contribution to journalArticle

File
8 Citations (Scopus)
142 Downloads (Pure)
2019

Attenuation limit of silica-based hollow-core fiber at mid-IR wavelengths

Yu, F., Song, P., Wu, D., Birks, T., Bird, D. & Knight, J., 12 Aug 2019, In : APL Photonics. 4, 8, 080803.

Research output: Contribution to journalArticle

Open Access
2 Citations (Scopus)
2013

A hollow-core negative curvature fibre for efficient delivery of NIR picosecond and femtosecond pulses for precision micro-machining

Jaworski, P., Yu, F., MacLachlan, D. G., Maier, R. R. J., Thomson, R. R., Wadsworth, W. J., Knight, J. C., Shephard, J. D. & Hand, D. P., 1 Dec 2013, Workshop on Specialty Optical Fibers and their Applications, WSOF 2013. OSA Publishing, F3.3. (Optics InfoBase Conference Papers).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2012

Evanescent coupling assisted four-wave mixing in a silicon-oninsulator directional coupler

Ding, W., Staines, O., Hobbs, G. D., Gorbach, A. V., De Nobriga, C. E., Wadsworth, W. J., Knight, J. C., Skryabin, D. V., Strain, M., Sorel, M. & De La Rue, R. M., 2012, Proceedings of SPIE - The International Society for Optical Engineering: Quantum and nonlinear Optics II. Gong, Q., Guo, G-C. & Shen, Y-R. (eds.). SPIE, (SPIE Proceedings; vol. 8554).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2013

Minimising group index variations in a multicore endoscope fibre

Roper, J. C., Yerolatsitis, S., Birks, T. A., Mangan, B. J., Dunsby, C., French, P. M. W. & Knight, J. C., 2013, 2013 Conference on Lasers and Electro-Optics, CLEO 2013. IEEE, p. 6833627

Research output: Chapter in Book/Report/Conference proceedingChapter

2016

Negative curvature hollow core optical fiber

Yu, F. & Knight, J., Mar 2016, In : IEEE Journal of Selected Topics in Quantum Electronics. 22, 2, p. 1-11 11 p.

Research output: Contribution to journalArticle

Open Access
File
120 Citations (Scopus)
626 Downloads (Pure)
2012

Time-dependent degradation of photonic crystal fiber attenuation around OH absorption wavelengths

Gris-Sanchez, I. & Knight, J. C., 2012, In : Journal of Lightwave Technology. 30, 23, p. 3597-3602 6 p.

Research output: Contribution to journalArticle

Open Access
File
12 Citations (Scopus)
149 Downloads (Pure)
2014

Ultra-high repetition rate absorption spectroscopy with low noise supercontinuum radiation generated in an all-normal dispersion fibre

Dupont, S., Qu, Z., Kiwanuka, S-S., Hooper, L. E., Knight, J. C., Keiding, S. R. & Kaminski, C. F., 9 May 2014, In : Laser Physics Letters. 11, 7, 075601.

Research output: Contribution to journalArticle

File
16 Citations (Scopus)
134 Downloads (Pure)
2011

Highly-efficient, octave spanning soliton self-frequency shift using a specialized photonic crystal fiber with low OH loss

Dekker, S. A., Judge, A. C., Pant, R., Gris Sanchez, I., Knight, J. C., de Sterke, C. M. & Eggleton, B. J., 29 Aug 2011, In : Optics Express. 19, 18, p. 17766-17773 8 p.

Research output: Contribution to journalArticle

34 Citations (Scopus)
2019

Dual-wavelength hollow-core negative curvature fibre for the delivery of high energy short and ultrashort pulsed laser light

Jaworski, P., Yu, F., Carter, R. M., Knight, J. C., Shephard, J. D. & Hand, D. P., 1 Jan 2019, Proceedings 2015 European Conference on Lasers and Electro-Optics - European Quantum Electronics Conference, CLEO/Europe-EQEC 2015. OSA Publishing

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2015

Fibre-coupled multiphoton microscope with adaptive motion compensation

Sherlock, B., Warren, S., Stone, J., Neil, M., Paterson, C., Knight, J., French, P. & Dunsby, C., 1 May 2015, In : Biomedical Optics Express. 6, 5, p. 1876-1884 9 p., A025.

Research output: Contribution to journalArticle

7 Citations (Scopus)
2011

Time- and frequency-domain measurements of solitons in subwavelength silicon waveguides using cross-correlation

Ding, W., Gorbach, A. V., Wadsworth, W. J., Knight, J. C., Skryabin, D. V., Strain, M. J., Sorel, M. & De La Rue, R. M., May 2011, 2011 Conference on Lasers and Electro-Optics: Laser Science to Photonic Applications, CLEO 2011. Washington DC: OSA Publishing

Research output: Chapter in Book/Report/Conference proceedingChapter

Open Access
File
28 Downloads (Pure)
2013

1064 nm laser-induced defects in pure SiO2 fibers

Stone, J. M., Wadsworth, W. J. & Knight, J. C., 1 Aug 2013, In : Optics Letters. 38, 15, p. 2717-2719 3 p.

Research output: Contribution to journalArticle

Open Access
File
6 Citations (Scopus)
133 Downloads (Pure)
2014

1.9 μm coherent source generation in hydrogen-filled hollow core fiber by stimulated raman scattering

Wang, Z., Yu, F., Wadsworth, W. & Knight, J. C., 28 Aug 2014, Optical Fiber Communication Conference 2014 . Optical Society of America, p. 1-3

Research output: Chapter in Book/Report/Conference proceedingConference contribution

File
4 Citations (Scopus)
89 Downloads (Pure)
2013

Temperature response of an all-solid photonic bandgap fiber for sensing applications

De Oliveira, R. E. P., Knight, J. C., Taru, T. & De Matos, C. J. S., 1 Mar 2013, In : Applied Optics. 52, 7, p. 1461-1467 7 p.

Research output: Contribution to journalArticle

Open Access
File
7 Citations (Scopus)
127 Downloads (Pure)
2020

Antiresonant hollow-core fiber-based dual gas sensor for detection of methane and carbon dioxide in the near-and mid-infrared regions

Jaworski, P., Kozioł, P., Krzempek, K., Wu, D., Yu, F., Bojęś, P., Dudzik, G., Liao, M., Abramski, K. & Knight, J., 8 Jul 2020, In : Sensors (Switzerland). 20, 14, p. 1-12 12 p., 3813.

Research output: Contribution to journalArticle

Open Access
2016

Tunable fibre-coupled multiphoton microscopy with a negative curvature fibre

Sherlock, B., Yu, F., Stone, J., Warren, S., Paterson, C., Neil, M. A. A., French, P. M. W., Knight, J. & Dunsby, C., Jul 2016, In : Journal of Biophotonics. 9, 7, p. 715-720

Research output: Contribution to journalArticle

Open Access
18 Citations (Scopus)
2018

Continuous-Wave Mid-Infrared Gas Fiber Lasers

Xu, M., Yu, F., Hassan, M. R. & Knight, J. C., 1 May 2018, In : IEEE Journal of Selected Topics in Quantum Electronics. 24, 3, 8255800.

Research output: Contribution to journalArticle

Open Access
7 Citations (Scopus)
2014

Out of the blue and into the black - silica fibers for the mid-IR

Knight, J., Belardi, W. & Yu, F., 16 Nov 2014.

Research output: Contribution to conferencePaper

1 Citation (Scopus)
2018

Semi-random multicore fibre design for adaptive multiphoton endoscopy

Kim, Y., Warren, S., Favero, F., Stone, J., Clegg, J., Neil, M., Paterson, C., Knight, J., French, P. & Dunsby, C., 2 Feb 2018, In : Optics Express. 26, 3, p. 3361-3673 13 p., 314725.

Research output: Contribution to journalArticle

Open Access
4 Citations (Scopus)
2015

Lasers Using Low Loss Hollow Optical Fibres in the Mid-Infrared

Wadsworth, W., Love, A., Bateman, S., Yu, F., Abu Hassan, M. R. & Knight, J., 28 Jun 2015. 3 p.

Research output: Contribution to conferencePaper

Open Access
File
46 Downloads (Pure)
2014

Negative curvature fibers with reduced leakage loss

Belardi, W. & Knight, J. C., 2014, Optical Fiber Communication Conference, OSA Technical Digest . IEEE

Research output: Chapter in Book/Report/Conference proceedingConference contribution

File
1 Citation (Scopus)
121 Downloads (Pure)
2011

Double-clad hollow core photonic crystal fiber for coherent Raman endoscope

Brustlein, S., Berto, P., Hostein, R., Ferrand, P., Billaudeau, C., Marguet, D., Muir, A., Knight, J. & Rigneault, H., 20 Jun 2011, In : Optics Express. 19, 13, p. 12562-12568 7 p.

Research output: Contribution to journalArticle

44 Citations (Scopus)
2017

Low-loss silica hollow-core fiber for UV

Yu, F., Wadsworth, W. & Knight, J., 2017, Advanced Solid State Lasers, ASSL 2017: Part F75-ASSL 2017. OSA Publishing

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)
2012

Fabrication of silica hollow core photonic crystal fibres for Er:YAG surgical applications

Urich, A., Maier, R. R. J., Knight, J. C., Mangan, B. J., Renshaw, S., Hand, D. P. & Shepharda, J. D., 2012, In : Proceedings of SPIE - The International Society for Optical Engineering. 8218, 821805.

Research output: Contribution to journalArticle

Open Access
File
2 Citations (Scopus)
120 Downloads (Pure)
2018

High-resolution air-clad imaging fibers

Wood, H., Harrington, K., Birks, T., Knight, J. & Stone, J., 1 Nov 2018, In : Optics Letters. 43, 21, p. 5311-5314 4 p.

Research output: Contribution to journalArticle

Open Access
5 Citations (Scopus)
2016

Line-tunable CW lasing of mid-infrared acetylene gas hollow core fiber laser

Yu, F., Hassan, M. R. A., Wadsworth, W. & Knight, J., 16 Dec 2016, 2016 Conference on Lasers and Electro-Optics, CLEO 2016. IEEE, 7788849

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)
2013

Femtosecond pulses at 20 GHz repetition rate through spectral masking of a phase modulated signal and nonlinear pulse compression

Chapman, B. H., Doronkin, A. V., Stone, J. M., Knight, J. C., Popov, S. V. & Taylor, J. R., 11 Mar 2013, In : Optics Express. 21, 5, p. 5671-5676 6 p.

Research output: Contribution to journalArticle

Open Access
File
9 Citations (Scopus)
131 Downloads (Pure)
2016

Experimental study of low-loss single-mode performance in anti-resonant hollow-core fibers

Yu, F., Xu, M. & Knight, J., 11 Jul 2016, In : Optics Express. 24, 12, p. 12969-12975

Research output: Contribution to journalArticle

Open Access
File
35 Citations (Scopus)
143 Downloads (Pure)
2017

Low loss anti-resonant hollow-core fibers and applications

Yu, F. & Knight, J. C., 1 Sep 2017, ICTON 2017 - 19th International Conference on Transparent Optical Networks. IEEE, 8024815

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)
2011

2.04 μm light generation from a Ti: Sapphire laser using a Photonic Crystal Fiber with low OH loss

Dekker, S. A., Judge, A. C., Pant, R., Gris Sanchez, I., Knight, J. C., De Sterke, C. M. & Eggleton, B. J., 2011, Quantum Electronics Conference & Lasers and Electro-Optics (CLEO/IQEC/PACIFIC RIM), 2011. Piscataway NJ: IEEE, p. 522-524 3 p.

Research output: Chapter in Book/Report/Conference proceedingOther chapter contribution

Open Access
File
97 Downloads (Pure)
2013

Spectral attenuation limits of silica hollow core negative curvature fiber

Yu, F. & Knight, J. C., 9 Sep 2013, In : Optics Express. 21, 18, p. 21466-21471 6 p.

Research output: Contribution to journalArticle

Open Access
File
94 Citations (Scopus)
137 Downloads (Pure)