Publications
577 results found
Kelleher EJR, Travers JC, Popov SV, et al., 2011, The Effect of Pump Coherence on the Efficient Generation of CW Pumped Supercontinuum, Conference on Lasers and Electro-Optics (CLEO), Publisher: IEEE, ISSN: 2160-9020
Chapman BH, Travers JC, Kelleher EJR, et al., 2011, Soliton-dispersive wave collisions in high average power supercontinuum generation, 16th International School on Quantum Electronics - Laser Physics and Applications, Publisher: SPIE-INT SOC OPTICAL ENGINEERING, ISSN: 0277-786X
, 2010, Characterization of saturable absorption of E<inf>11</inf> and E<inf>22</inf> transitions of carbon nanotubes
We characterize the saturable absorption properties of the E11 and E22 transitions of the same highly-purified film of single-wall carbon-nanotubes, and compare the results in terms of modulation-depth, saturation-intensity and mode-locked fiber laser performance. © 2010 Optical Society of America.
Kelleher EJR, Travers JC, Popov SV, et al., 2010, Giant chirp oscillators: Modeling and experiment
We review recent progress in a class of normally dispersive mode-locked laser that has become known as a giant chirp oscillator. We discuss spectral and temporal versatility and consider the pulse formation dynamics, both using numerical simulation and experimental investigation.
Kelleher EJR, Travers JC, Sun Z, et al., 2010, Noise and stability in giant-chirp oscillators mode-locked with a nanotube-based saturable absorber
We compare experimental results showing stable dissipative-soliton solutions exist in mode-locked lasers with ultra-large normal dispersion (as large as 21.5 ps2), with both the analytic framework provided by Haus' master-equation and full numerical simulations. © 2010 Optical Society of America.
Kelleher EJR, Travers JC, Sun Z, et al., 2010, Bismuth-doped fiber integrated ring laser mode-locked with a nanotube-based saturable absorber
We demonstrate passive mode-locking of a bismuth-doped fiber laser using a single-wall nanotube-based saturable absorber. Stable operation in the all-normal dispersion and average soliton regime is obtained, with an all-fiber integrated format. © 2010 Optical Society of America.
Kelleher EJR, Travers JC, Sun Z, et al., 2010, Bismuth fiber integrated laser mode-locked by carbon nanotubes, LASER PHYSICS LETTERS, Vol: 7, Pages: 790-794, ISSN: 1612-2011
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- Citations: 70
Kelleher EJR, Travers JC, Golant KM, et al., 2010, Narrow Linewidth Bismuth-Doped All-Fiber Ring Laser, IEEE PHOTONICS TECHNOLOGY LETTERS, Vol: 22, Pages: 793-795, ISSN: 1041-1135
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- Citations: 5
Travers JC, Morgenweg J, Obraztsova ED, et al., 2010, Characterization of Saturable Absorption of E<sub>11</sub> and E<sub>22</sub> Transitions of Carbon Nanotubes, Conference on Lasers and Electro-Optics (CLEO)/Quantum Electronics and Laser Science Conference (QELS), Publisher: IEEE
Kelleher EJR, Travers JC, Sun Z, et al., 2010, Noise and Stability in Giant-Chirp Oscillators Mode-Locked with a Nanotube-Based Saturable Absorber, Conference on Lasers and Electro-Optics (CLEO)/Quantum Electronics and Laser Science Conference (QELS), Publisher: IEEE
Kelleher EJR, Travers JC, Golant KM, et al., 2010, Narrow-Line All-Fiber Bismuth Ring Laser, Conference on Lasers and Electro-Optics (CLEO)/Quantum Electronics and Laser Science Conference (QELS), Publisher: IEEE
Kelleher EJR, Travers JC, Golant KM, et al., 2010, Narrow-Line All-Fiber Bismuth Ring Laser
Kelleher EJR, Travers JC, Sun Z, et al., 2010, Bismuth-Doped Fiber Integrated Ring Laser Mode-Locked with a Nanotube-Based Saturable Absorber, Conference on Lasers and Electro-Optics (CLEO)/Quantum Electronics and Laser Science Conference (QELS), Publisher: IEEE
Kelleher EJR, Travers JC, Sun Z, et al., 2009, 2 ns pulses from a fibre laser mode-locked by carbon nanotubes
Travers JC, Obraztsova ED, Lobach AS, et al., 2009, Mode-locking fibre lasers with the E<inf>22</inf> transition of carbon nanotubes
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- Citations: 5
Kelleher EJR, Travers JC, Ippen EP, et al., 2009, Generation and direct measurement of giant chirp in a passively mode-locked laser, OPTICS LETTERS, Vol: 34, Pages: 3526-3528, ISSN: 0146-9592
Kelleher EJR, Travers JC, Sun Z, et al., 2009, Nanosecond-pulse fiber lasers mode-locked with nanotubes, APPLIED PHYSICS LETTERS, Vol: 95, ISSN: 0003-6951
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- Citations: 130
Dudley JM, Taylor JR, 2009, Ten years of nonlinear optics in photonic crystal fibre, NATURE PHOTONICS, Vol: 3, Pages: 85-90, ISSN: 1749-4885
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- Citations: 331
Travers JC, Taylor JR, 2009, Soliton trapping of dispersive waves in tapered optical fibers., Opt Lett, Vol: 34, Pages: 115-117, ISSN: 0146-9592
We show that trapping of dispersive waves by solitons is significantly enhanced in tapered optical fibers as compared with nontapered fibers. For the trapping process to occur, the soliton must be decelerating; in nontapered fiber, the cause of soliton deceleration is Raman self-scattering to spectral regions of lower group velocity. It is shown here that deceleration of the soliton due to the changing group velocities in a tapered optical fiber also enables and enhances the trapping process, independently of Raman gain. This explains the enhanced blue spectral extension observed for supercontinuum generation in tapered optical fibers. This result also indicates that trapping of dispersive waves by solitons will also be possible in fibers or waveguides made from materials with negligible Raman self-scattering.
Travers JC, Obraztsova ED, Lobach AS, et al., 2009, Mode-Locking fibre lasers with the E22 transition of carbon nanotubes
Kelleher EJR, Travers JC, Sun Z, et al., 2009, 2 ns pulses from a fibre laser mode-locked by carbon nanotubes
Cumberland BA, Rulkov AB, Travers JC, et al., 2009, High Power CW Pumped Supercontinuum Sources, Asia Optical Fiber Communication and Optoelectronic Exposition and Conference, Publisher: IEEE
Cumberland BA, Travers JC, Popov SV, et al., 2008, Toward visible cw-pumped supercontinua, OPTICS LETTERS, Vol: 33, Pages: 2122-2124, ISSN: 0146-9592
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- Citations: 41
Cumberland BA, Travers JC, Popov SV, et al., 2008, 29 W high power CW supercontinuum source, OPTICS EXPRESS, Vol: 16, Pages: 5954-5962, ISSN: 1094-4087
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- Citations: 116
Rulkov AB, Ferin AA, Travers JC, et al., 2008, Broadband, low intensity noise CW source for OCT at 1800 nm, OPTICS COMMUNICATIONS, Vol: 281, Pages: 154-156, ISSN: 0030-4018
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- Citations: 15
Cumberland BA, Travers JC, Popov SV, et al., 2008, Short Wavelength Extension of CW-pumped Supercontinuum at 1 micron, Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference, Publisher: IEEE, Pages: 31-32
Cumberland BA, Travers JC, Popov SV, et al., 2008, High Power 29 W CW Supercontinuum Source, Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference, Publisher: IEEE, Pages: 416-417
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- Citations: 1
Travers JC, Rulkov AB, Cumberland BA, et al., 2008, Visible supercontinuum generation in photonic crystal fibers with a 400W continuous wave fiber laser, Optics Express, Vol: 16, Pages: 14435-14447
We demonstrate continuous wave supercontinuum generation extending to the visible spectral region by pumping photonic crystal fibers at 1.07 ?m with a 400 W single mode, continuous wave, ytterbium fiber laser. The continuum spans over 1300 nm with average powers up to 50 W and spectral power densities over 50 mW/nm. Numerical modeling and understanding of the physical mechanisms has led us to identify the dominant contribution to the short wavelength extension to be trapping and scattering of dispersive waves by high energy solitons.
Travers JC, Popov SV, Taylor JR, 2008, Trapping of Dispersive Waves by Solitons in Long Lengths of Tapered PCF, Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference, Publisher: IEEE, Pages: 955-956
Travers JC, Popov SV, Taylor JR, 2008, A New Model for CW Supercontinuum Generation, Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference, Publisher: IEEE, Pages: 702-703
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- Citations: 1
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