https://gant61inhibitor.com/th....e-frequency-regardin
With the use of the lateral leakage of a shallowly etched rib waveguide, 1-mm-long TE/TM-pass polarizers with a high extinction ratios of 28.72/24.03 dB are acquired. Due to the anisotropy associated with lithium niobate, the lateral leakage of TE/TM polarization settings can happen along crystallographic z/y instructions, respectively. Such TE/TM-pass polarizers could be incorporated in the same wafer.We demonstrated an ultra-low-noise polarization-maintaining (PM) single-frequency fiber lase
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