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We demonstrate a muW-level broadly tunable THz source based on parametric down-conversion in orientation-patterned GaAs pumped by femtosecond pulses from a Tm-doped fiber laser. Generated THz powers should be scalable to mW-levels with this approach.
Recent work in frequency-conversion of pulsed fiber-amplifiers is reviewed. Design criteria of frequency converters for fiber sources in operating the wavelength range between 1 um and 2 um are discussed.
We report a tunable laser source emitting in the visible (530 nm, 630 nm) and the near infrared (775 nm, 1060 nm, and 1550 nm) regions by frequency summation of a dual wavelength Er/Yb co-doped fiber laser.
Synchronization of actively Q-switched Erbium and Ytterbium doped fiber lasers with a single electrostatically actuated deformable metallic micro-mirror is reported. Sum frequency generation in PPLN crystal leading to a tunable red radiation is demonstrated.
Optimized cascading of HFs with shortening zero-dispersion wavelengths enabled generation of supercontinua with 1.4 W average power and significant components in the blue (10 dB) and UV from picosecond ytterbium pump sources in a totally fiber-integrated format.
We fabricate wavelength conversion modules for 3.4 and 2.3 micron difference frequency generation using the V-groove connection technique. Both modules exhibit high output powers of over 3 mW.
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