Publications by Vera Schafer

Optical injection and spectral filtering of high-power ultraviolet laser diodes.

Optics letters 40 (2015) 4265-4268

VM Schäfer, CJ Ballance, CJ Tock, DM Lucas

We demonstrate injection locking of high-power laser diodes operating at 397 nm. We achieve stable operation with an injection power of ∼100  μW and a slave laser output power of up to 110 mW. We investigate the spectral purity of the slave laser light via photon scattering experiments on a single trapped (40)Ca(+) ion. We show that it is possible to achieve a scattering rate indistinguishable from that of monochromatic light by filtering the laser light with a diffraction grating to remove amplified spontaneous emission.

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