An external laser cavity was constructed that utilizes polarization multiplexing to combine the emission from two gallium nitride blue laser diodes. A polarization-dependent narrow-band resonant mirror was designed to be the output coupler of this cavity, which locked both laser diodes at a fixed wavelength of 445.5 nm with a line-width of <0.5 nm. Output powers from this system approached 0.7 W while maintaining complete spectral control.
CITATION STYLE
Byrd, M., Pung, A., Johnson, E., Lee, K., Magnusson, R., Binun, P., & McCormick, K. (2015). Wavelength Selection and Polarization Multiplexing of Blue Laser Diodes. IEEE Photonics Technology Letters, 27(20), 2166–2169. https://doi.org/10.1109/LPT.2015.2455876
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