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    Open Access

    χ(2) nonlinear photonics in integrated microresonators

    Second-order (χ(2)) optical nonlinearity is one of the most common mechanisms for modulating and generating coherent light in photonic devices. Due to strong photon confinement and long photon lifetime, integrate...

    Pengfei Liu, Hao Wen, Linhao Ren, Lei Shi, **nliang Zhang in Frontiers of Optoelectronics (2023)