Abstract
A polarization-independent optical filter based on SBS with a bandwidth of ~10 MHz is proposed and experimentally demonstrated. By utilizing a depolarizer, which can reduce the DOP of pump to <5%, a PDG of <1 dB is obtained over 30 nm. Moreover, it can be used for high-resolution spectroscopy and realizes accurate measurement of signals in arbitrary SOP.
© 2017 Optical Society of America
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