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Mechanical vibration induced frequency noise is dominated at low Fourier frequencies in a fiber spool stabilized laser. Environmental vibration causes mechanical deformations in the fiber which induce phase fluctuations and then convert into excess frequency noise to the lasers. Therefore, the spool which supports the fiber plays a critical role in this frequency noise conversion. We have studied...
We report on a fiber-stabilized agile laser with ultra-low frequency noise. The frequency noise power spectral density (PSD) is comparable to the one of an ultra-stable cavity stabilized laser at Fourier frequencies higher than 30 Hz. When it is chirped at a constant rate of ~ 40 MHz/s, the max non-linearity frequency error is about 50 Hz peak to peak over more than 600 MHz tuning range. When the...
Using Nd3+ doped lanthanum-modified lead zirconate titanate (PLZT) ceramic gain media which possess excellent electro-optic effects and wide optical transmission window, ceramic lasers of revolutionary nature have been implemented without any extra foreign active components.
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