Browsing by Subject "Optoelectronic oscillators"
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Item Open Access A parity-time-symmetric optoelectronic oscillator with polarization multiplexed channels(Institute of Physics Publishing Ltd., 2022-04-05) Özgün, E.; Uyar, Faruk; Kartaloğlu, Tolga; Özbay, Ekmel; Özdür, İ.In this manuscript, we experimentally demonstrate a parity-time-symmetric optoelectronic oscillator (OEO) with polarization multiplexed channels. We obtained a microwave single-mode oscillation at 9.5 GHz with phase noise values of −116.2 and −122.3 dBc Hz−1 at 10 kHz offset frequencies, and side mode suppression values below −68 and −75 dBc Hz−1, by utilizing a 1 km long and 5 km long single mode fiber delay lines, respectively. Our experimental results suggest that parity-time-symmetric OEOs with polarization multiplexed channels are simple and cost-efficient alternatives to their more complex counterparts.