Second-harmonic generation (SHG) of 40-GHz picosecond optical pulses with different
pulsewidths, pulse energies, and central wavelengths in a MgO-doped periodically poled …

The wavelength conversion of picosecond optical pulses based on the cascaded second-
harmonic generation-difference-frequency generation process in a MgO-doped periodically …

We report studies of second-harmonic generation (SHG) of femtosecond pulses in long
periodically poled lithium niobate waveguides under large conversion conditions. Strong …

Wavelength conversion based on the cascaded sum-frequency generation and difference-
frequency generation (cSFG+ DFG) process in quasi-phase-matched (QPM) periodically …

The power scaling of continuous-wave (CW) second harmonic generation (SHG) in a MgO:
periodically poled lithium niobite (PPLN) ridge waveguide is investigated. The nonlinear …

Cascaded third-harmonic generation (THG) of femtosecond pulses in a two-dimensional
periodically poled lithium niobate is demonstrated experimentally. The poling pattern …

A novel technique is proposed and experimentally demonstrated to achieve a quasiphase
matching (QPM) condition for second-harmonic generation (SHG) in a nonlinear optical …

We experimentally demonstrate wavelength broadcast based on simultaneous Type I quasi-
phase-matched (QPM) broadband sum-frequency generation (SFG) and second-harmonic …

Second-harmonic generation (SHG) using periodically poled material in the high-conversion
regime is investigated experimentally and theoretically. In the experiment, we use …

We report a systematic and comparative study of the acceptance bandwidths of two
cascaded quadratic nonlinear processes in periodically poled lithium niobate waveguides …