Fine Tunable PT-Symmetric Optoelectronic Oscillator Based on Laser Wavelength Tuning Teng, Caihong ; Zou, Xihua ; Li, Peixuan ; Xie, Changjian ; Sun, Yujian ; Pan, Wei ; Yan, Lianshan Abstract Publication: IEEE Photonics Technology Letters Pub Date: January 2020 DOI: 10.1109/LPT.2019.2956811 Bibcode: 2020IPTL...32...47T