Realization of a PT-symmetric microchip laser in the polarization space using nanostructured laser mirrors
Shawn Lapointe,
Théo Courval,
Fangfang Li
et al.
Abstract:We demonstrate the improved purity of the emission spectra of a Yb3+-doped Y3Al5O12 laser with resonant grating mirrors. When the two mirrors’ principal axes are twisted, both multiple longitudinal mode emission and dual polarization emission are suppressed. The proposed design enables a compact single mode laser, replacing more complex designs usually needed to achieve that goal.
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