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J W Nicholson,
A D Yablon,
M F Yan,
P Wisk, R Bise,
D J Trevor,
J Alonzo,
T Stockert,
J Fleming,
E Monberg,
F Dimarcello,
J Fini
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[hide abstract]
ABSTRACT: Femtosecond fiber lasers together with nonlinear fibers are compact, reliable, all-fiber supercontinuum sources. Maintaining an all-fiber configuration, however, necessitates pulse compression in an optical fiber, which can lead to nonlinearities for subhundred femtosecond, nanojoule pulses. In this work we show that using large-mode-area fibers for pulse compression mitigates the nonlinearity, resulting in compressed pulses with significantly reduced satellite pulses. Consequently, supercontinua generated with these pulses are shown to have as much as a 10 dB increase in coherence fringe contrast. By using a hybrid highly nonlinear fiber-photonic crystal fiber, the continuum can be extended to visible wavelengths while still maintaining high coherence.
Optics Letters 10/2008; 33(18):2038-40. · 3.40 Impact Factor
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J W Nicholson, R Bise,
J Alonzo,
T Stockert,
D J Trevor,
F Dimarcello,
E Monberg,
J M Fini,
P S Westbrook,
K Feder,
L Grüner-Nielsen
[show abstract]
[hide abstract]
ABSTRACT: Supercontinuum extending to visible wavelengths is generated in a hybrid silica nonlinear fiber pumped at 1560 nm by a femtosecond, erbium-doped fiber laser. The hybrid nonlinear fiber consists of a short length of highly nonlinear, germano-silicate fiber (HNLF) spliced to a length of photonic crystal fiber (PCF). A 2 cm length of HNLF provides an initial stage of continuum generation due to higher-order soliton compression and dispersive wave generation before launching into the PCF. The visible radiation is generated in the fundamental mode of the PCF.
Optics Letters 02/2008; 33(1):28-30. · 3.40 Impact Factor
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ABSTRACT: Gradient-index fiber lenses are used to fabricate high-strength (> 100 kpsi) fusion splices between microstructured optical fibers. High coupling efficiencies are attainable (< 0.6 dB loss), providing the mode field diameter is at least about 3.5 μm.
Optical Fiber Communication Conference, 2004. OFC 2004; 03/2004
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J W Nicholson,
A D Yablon,
M F Yan,
P Wisk, R Bise,
D J Trevor,
J Alonzo,
T Stockert,
J Fleming,
E Monberg,
F Dimarcello,
J Fini
Opt. Lett. 33(18):2038-2040.
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J W Nicholson,
A D Yablon,
M F Yan,
P Wisk,
J Fleming,
E Monberg,
F Dimarcello, R Bise,
D J Trevor,
J Alonzo,
T Stockert
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on.
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J W Nicholson, R Bise,
J Alonzo,
T Stockert,
D J Trevor,
F Dimarcello,
E Monberg,
J M Fini,
P S Westbrook,
K Feder,
L Gruner-Nielsen
Opt. Lett. 33(1):28-30.