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19972022
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Research Output 1997 2019

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Article
2018
4 Citations (Scopus)

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
Gas lasers
gas lasers
Fiber lasers
continuous radiation
fiber lasers
1 Citation (Scopus)

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
2 Citations (Scopus)

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., 5 Feb 2018, In : Optics Express. 26, 3, p. 3361-3673 13 p., 314725.

Research output: Contribution to journalArticle

Open Access
fibers
fluorescence
close packed lattices
pollen
beads
6 Citations (Scopus)

Single-mode solarization-free hollow-core fiber for ultraviolet pulse delivery

Yu, F., Cann, M., Brunton, A., Wadsworth, W. & Knight, J., 13 Apr 2018, In : Optics Express. 26, 8, p. 10879-10887 9 p.

Research output: Contribution to journalArticle

Open Access
hollow
delivery
fibers
pulses
silicon dioxide

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., 23 Oct 2018, In : Journal of Biophotonics. e201800239.

Research output: Contribution to journalArticle

Open Access
2017
3 Citations (Scopus)

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
photonics
fibers
glass
crystals
fission
4 Citations (Scopus)

Measurement of resonant bend loss in antiresonant hollow core optical fiber

Carter, R. M., Yu, F., Wadsworth, W. J., Shephard, J. D., Birks, T., Knight, J. C. & Hand, D. P., 21 Aug 2017, In : Optics Express. 25, 17, p. 20612-20621 10 p.

Research output: Contribution to journalArticle

Open Access
hollow
optical fibers
wavelengths
delivery
radii
21 Citations (Scopus)

Mid-infrared 1 Watt hollow-core fiber gas laser source

Xu, M., Yu, F. & Knight, J., 15 Oct 2017, In : Optics Letters. 42, 20, p. 4055-4058

Research output: Contribution to journalArticle

Open Access
gas lasers
fiber lasers
hollow
pumps
gas pressure
3 Citations (Scopus)

Quantitative characterization of endoscopic imaging fibers

Wood, H. A. C., Harrington, K., Stone, J. M., Birks, T. A. & Knight, J. C., 6 Feb 2017, In : Optics Express. 25, 3, p. 1985-1992 8 p.

Research output: Contribution to journalArticle

Open Access
fibers
preforms
visibility
wavelengths
interference
2016
8 Citations (Scopus)

Adaptive multiphoton endomicroscope incorporating a polarization-maintaining multicore optical fiber

Kim, Y., Warren, S., Knight, J., Neil, M., Paterson, C., Stone, J., Dunsby, C. & French, P., May 2016, In : IEEE Journal of Selected Topics in Quantum Electronics. 22, 3, 8 p., 6800708.

Research output: Contribution to journalArticle

Open Access
File
11 Citations (Scopus)

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

33 Citations (Scopus)

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
hollow
fibers
attenuation
yield point
welding

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
2 Citations (Scopus)

Reduced repetition rate Yb3+ mode-locked picosecond fiber laser with hollow core fiber

Harvey, C. M., Yu, F., Knight, J. C., Wadsworth, W. J. & Almeida, P. J., 15 Mar 2016, In : IEEE Photonics Technology Letters. 28, 6, p. 669-672 4 p., 7342904.

Research output: Contribution to journalArticle

Mode-locked fiber lasers
fiber lasers
Laser pulses
hollow
repetition
11 Citations (Scopus)

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
Optical fiber coupling
Microscopy
Microscopic examination
Lasers
Heart Rate
2015
6 Citations (Scopus)

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

microscopes
fibers
Optical Coherence Tomography
mice
tomography
32 Citations (Scopus)

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
picosecond pulses
machining
delivery
curvature
fibers
5 Citations (Scopus)

Minimizing group index variations in a multicore endoscope fiber

Roper, J. C., Yerolatsitis, S., Birks, T. A., Mangan, B. J., Dunsby, C., French, P. M. W. & Knight, J. C., 15 Nov 2015, In : IEEE Photonics Technology Letters. 27, 22, p. 2359-2362 7177072.

Research output: Contribution to journalArticle

Open Access
File
endoscopes
Endoscopy
fibers
Fibers
propagation modes
2014
45 Citations (Scopus)

Efficient 1.9 μm emission in H-filled hollow core fiber by pure stimulated vibrational Raman scattering

Wang, Z., Yu, F., Wadsworth, W. J. & Knight, J. C., Oct 2014, In : Laser Physics Letters. 11, 10, p. 105807

Research output: Contribution to journalArticle

File
Raman scattering
hollow
Raman spectra
fibers
Fibers
38 Citations (Scopus)

Efficient diode-pumped mid-infrared emission from acetylene-filled hollow-core fiber

Wang, Z., Belardi, W., Yu, F., Wadsworth, W. J. & Knight, J. C., 8 Sep 2014, In : Optics Express. 22, 18, p. 21872-21878 7 p.

Research output: Contribution to journalArticle

Open Access
File
acetylene
hollow
diodes
pumps
fibers
6 Citations (Scopus)

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
fibers
polarization
birefringence
synchronism
extinction
79 Citations (Scopus)

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
File
hollow
fibers
attenuation
radii
wavelengths
62 Citations (Scopus)

Hollow antiresonant fibers with reduced attenuation

Belardi, W. & Knight, J. C., 1 Apr 2014, In : Optics Letters. 39, 7, p. 1853-1856 4 p.

Research output: Contribution to journalArticle

Open Access
File
hollow
attenuation
fibers
leakage
fabrication
5 Citations (Scopus)

Single-pass high-gain 1.9 μm optical fiber gas Raman laser

Wang, Z., Yu, F., Wadsworth, W. J. & Knight, J. C., 10 Aug 2014, In : Guangxue Xuebao/Acta Optica Sinica. 34, 8, 6 p., 0814004.

Research output: Contribution to journalArticle

gas lasers
Raman lasers
high gain
Optical fibers
Hydrogen
12 Citations (Scopus)

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
Photonic crystal fibers
Absorption spectroscopy
low noise
repetition
absorption spectroscopy
2013
5 Citations (Scopus)

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
fibers
defects
wavelengths
pumps
lasers
53 Citations (Scopus)

Effect of core boundary curvature on the confinement losses of hollow antiresonant fibers

Belardi, W. & Knight, J. C., 23 Sep 2013, In : Optics Express. 21, 19, p. 21912-21917 6 p.

Research output: Contribution to journalArticle

Open Access
File
hollow
curvature
fibers
attenuation
simulation
8 Citations (Scopus)

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
pulse compression
masking
repetition
fibers
picosecond pulses
47 Citations (Scopus)

Flexible delivery of Er:YAG radiation at 2.94 μm with negative curvature silica glass fibers: A new solution for minimally invasive surgical procedures

Urich, A., Maier, R. R. J., Yu, F., Knight, J. C., Hand, D. P. & Shephard, J. D., Feb 2013, In : Biomedical Optics Express. 4, 2, p. 193-205 13 p.

Research output: Contribution to journalArticle

Open Access
File
Minimally Invasive Surgical Procedures
silica glass
glass fibers
Silicon Dioxide
yttrium-aluminum garnet
1 Citation (Scopus)

Flexible delivery of Er:YAG radiation at 2.94 μm with novel hollow-core silica glass fibres: Demonstration of tissue ablation

Urich, A., Maier, R. R. J., Knight, J. C., Yu, F., Hand, D. P. & Shephard, J. D., 20 Mar 2013, In : Proceedings of SPIE. 8576, 857608.

Research output: Contribution to journalArticle

Open Access
File
silica glass
glass fibers
yttrium-aluminum garnet
ablation
hollow
51 Citations (Scopus)

Picosecond and nanosecond pulse delivery through a hollow-core Negative Curvature Fiber for micro-machining applications

Jaworski, P., Yu, F., Maier, R. R. J., Wadsworth, W. J., Knight, J. C., Shephard, J. D. & Hand, D. P., 23 Sep 2013, In : Optics Express. 21, 19, p. 22742-22753 12 p.

Research output: Contribution to journalArticle

Open Access
File
picosecond pulses
machining
hollow
delivery
curvature
9 Citations (Scopus)

Silica hollow core microstructured fibres for mid-infrared surgical applications

Urich, A., Maier, R. R. J., Yu, F., Knight, J. C., Hand, D. P. & Shephard, J. D., 1 Oct 2013, In : Journal of Non-Crystalline Solids. 377, p. 236-239 4 p.

Research output: Contribution to journalArticle

Open Access
File
Silicon Dioxide
hollow
Silica
silicon dioxide
Infrared radiation
73 Citations (Scopus)

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
hollow
attenuation
curvature
silicon dioxide
fibers
6 Citations (Scopus)

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
Photonic bandgap fibers
photonics
Energy gap
fibers
Fibers
2012
32 Citations (Scopus)

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
YAG lasers
hollow
pulsed lasers
delivery
photonics
2 Citations (Scopus)

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
Er:YAG
Photonic crystal fibers
Photonic Crystal
Silica
Silicon Dioxide
13 Citations (Scopus)
Supercontinuum generation
Fibers
Photonic crystal fibers
215 Citations (Scopus)

Low loss silica hollow core fibers for 3–4 μm spectral region

Yu, F., Wadsworth, W. J. & Knight, J. C., 7 May 2012, In : Optics Express. 20, 10, p. 11153-11158 6 p.

Research output: Contribution to journalArticle

File
hollow
silicon dioxide
fibers
wavelengths
attenuation
8 Citations (Scopus)

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
directional couplers
group velocity
insulators
silicon
frequency converters
5 Citations (Scopus)

State-of-the-art photonic crystal fiber

Wadsworth, W. J., Knight, J. & Birks, T., 2012, In : Optics and Photonics News. 23, 3, p. 24-31 8 p.

Research output: Contribution to journalArticle

File
Photonic crystal fibers
photonics
fibers
Supercontinuum generation
continuums
10 Citations (Scopus)

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
attenuation
photonics
degradation
fibers
wavelengths
2011
149 Citations (Scopus)

Coherent supercontinuum generation in photonic crystal fiber with all-normal group velocity dispersion

Hooper, L. E., Mosley, P. J., Muir, A. C., Wadsworth, W. J. & Knight, J. C., 14 Mar 2011, In : Optics Express. 19, 6, p. 4902-4907 6 p.

Research output: Contribution to journalArticle

File
group velocity
photonics
fibers
crystals
pulses
38 Citations (Scopus)

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

endoscopes
hollow
photonics
Raman spectra
fibers
31 Citations (Scopus)

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

octaves
frequency shift
solitary waves
photonics
fibers
22 Citations (Scopus)

In-line gas sensor based on a photonic bandgap fiber with laser-drilled lateral microchannels

Lehmann, H., Bartelt, H., Willsch, R., Amezcua-Correa, R. & Knight, J. C., Nov 2011, In : IEEE Sensors Journal. 11, 11, p. 2926-2931 6 p.

Research output: Contribution to journalArticle

Photonic bandgap fibers
microchannels
Microchannels
Chemical sensors
photonics
18 Citations (Scopus)

Reducing spectral attenuation in small-core photonic crystal fibers

Gris-Sanchez, I., Mangan, B. J. & Knight, J. C., 2011, In : Optical Materials Express. 1, 2, p. 179-184 6 p.

Research output: Contribution to journalArticle

File
Photonic crystal fibers
Fused silica
Annealing
Fabrication
Wavelength
2010

Coupling efficiency and transmission through hollow-core photonic bandgap fibers

Estudillo-Ayala, J. M., Mangan, B. J., Wadsworth, W. J. & Knight, J. C., Oct 2010, In : Proceedings of SPIE - The International Society for Optical Engineering. 7839, 78391J.

Research output: Contribution to journalArticle

Photonic bandgap fibers
Photonic Band Gap
hollow
Fiber
photonics
11 Citations (Scopus)

Higher order guided mode propagation in solid-core photonic bandgap fibers

Pureur, V., Knight, J. C. & Kuhlmey, B. T., 26 Apr 2010, In : Optics Express. 18, 9, p. 8906-8915 10 p.

Research output: Contribution to journalArticle

propagation modes
photonics
fibers
diagrams
vortices

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

Dekker, S. A., Pant, R., Judge, A. C., Martijn De Sterke, C., Eggleton, B. J., Gris Sanchez, I. & Knight, J. C., 1 Jan 2010, In : Optics InfoBase Conference Papers.

Research output: Contribution to journalArticle

octaves
frequency shift
solitary waves
photonics
fibers
48 Citations (Scopus)

High power red and near-IR generation using four wave mixing in all integrated fibre laser systems

Lavoute, L., Knight, J. C., Dupriez, P. & Wadsworth, W. J., 19 Jul 2010, In : Optics Express. 18, 15, p. 16193-16205 13 p.

Research output: Contribution to journalArticle

four-wave mixing
fiber lasers
fibers
photonics
wavelengths