Aperiodically poled silica fibers for bandwidth control of quasi-phase-matched second-harmonic
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Broadband tunability of the second-harmonic wavelength is achieved in periodically poled
silica fibers. A wavelength tuning range of almost 45 nm of the fundamental wave is …

The generation of 236 mW of second-harmonic power in a 32-cm-long periodically poled
silica fiber, corresponding to an average conversion efficiency of 15.2±0.5%, is reported …

Electric-field poling of quasi-phase-matched optical fibers clickable element to expand a topic
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The second-harmonic generation from optical fibers was studied using a twin-hole fiber.
Metal wire electrodes were inserted into the holes of 35 μmϕ, and the poling voltage was …

Phase‐matched second‐harmonic generation is reported in periodically poled optical fibers
for the first time. A periodic χ (2) was induced in optical fibers during phase‐matched …

Phase-matched electric-field-induced second-harmonic generation is demonstrated in
single-mode germania-doped silica fibers. A periodic second-order nonlinearity is induced …

D-shape silica fibres have been periodically poled at an elevated temperature by applying
high voltage via a patterned electrode deposited on the plane side. The resulting nonlinear …

We performed an intermodal third-harmonic generation around 516 nm in a germanium-
doped silica optical fiber. The analysis of the complex polarization behavior that was …

We show that germanium-doped graded-index multimode silica fibers can exhibit relatively
high conversion efficiencies (∼ 6.5%) for second-harmonic generation when excited at …