Diffraction and Gratings article thumbnail Polarization variable line-space grating based on photoalignment liquid crystal Fangfang Chen, Tong Shen, Chenwen Ma, Jingxin Sang, Chenchen Xing, Jihong Zheng, and Songlin Zhuang Opt. Lett. 49(12), 3528-3531 (2024) View: HTML | PDF [Suppl. Mat. (1)] Fiber Optics and Optical Communications article thumbnail High-gain ultra-wideband bismuth-doped fiber amplifier operating in the O + E + S band Ziwei Zhai and Jayanta K. Sahu open access Opt. Lett. 49(12), 3308-3311 (2024) View: HTML | PDF article thumbnail Tracking the transmission matrix of a moving fiber with the transmitted data Zeqi Liu, Tianhao Zhang, Kaige Liu, Hengkang Zhang, Bin Zhang, Xing Fu, and Qiang Liu Opt. Lett. 49(12), 3320-3323 (2024) View: HTML | PDF [Suppl. Mat. (1)] article thumbnail On the multipath interference mitigation for high-speed IM-DD transmissions with Nyquist subcarrier modulation Yongfeng Qiu, Can Wei, Meng Xiang, Gai Zhou, Jilong Li, Cong Zhang, Jianping Li, Di Peng, Songnian Fu, and Yuwen Qin Opt. Lett. 49(12), 3328-3331 (2024) View: HTML | PDF article thumbnail Enhancing secure transmission and key distribution for ultrahigh-order QAM via delta-sigma modulation and discrete memristive-enhanced chaos Jianye Zhao, Bo Liu, Jianxin Ren, Yaya Mao, Yiming Ma, Qing Zhong, Xiangyu Wu, Shuaidong Chen, Yongfeng Wu, Xiuming Song, and Lilong Zhao Opt. Lett. 49(12), 3444-3447 (2024) View: HTML | PDF article thumbnail Weight-adaptive joint mixed-precision quantization and pruning for neural network-based equalization in short-reach direct detection links Zhaopeng Xu, Qi Wu, Weiqi Lu, Honglin Ji, Hui Chen, Tonghui Ji, Yu Yang, Gang Qiao, Jianwei Tang, Chen Cheng, Lulu Liu, Shangcheng Wang, Junpeng Liang, Jinlong Wei, Weisheng Hu, and William Shieh Opt. Lett. 49(12), 3500-3503 (2024) View: HTML | PDF Fourier Optics, Image and Signal Processing article thumbnail Speckle-free coherent imaging through deep turbulence Casey J. Pellizzari, Timothy J. Bate, Maya G. Mandyam, Cameron J. Radosevich, Samuel Horst, and Mark F. Spencer open access Opt. Lett. 49(12), 3508-3511 (2024) View: HTML | PDF [Suppl. Mat. (1)] article thumbnail Full-angle single-shot quantitative phase imaging based on Kramers–Kronig relations Xiang Chen, Sihong Yao, Junan Song, Tianwei Ding, Guoqing Li, Jiawei Song, Shouping Nie, Jun Ma, and Caojin Yuan Opt. 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