Journal Covers Photonics Research 6 (8), 2018 Semiconductors and Semimetals, 2019 (Book cover) eLight 3(1), 2023 Laser Photonics Rev 14(7) 2020 Laser Photonics Rev 14(3) 2020 Optica 4(8), 2017 Laser Photonics Rev 16(6) 2022 Laser Photonics Rev 15(8) 2021 ACS photonics 8(9), 2021