Chen, X., Karpinski, P., Shvedov, V., Wang, B., Trull, J., Cojocaru, C., … Sheng, Y. (2016). Two-dimensional domain structures in Lithium Niobate via domain inversion with ultrafast light. Photonics Letters of Poland, 8(2), pp. 33–35. https://doi.org/10.4302/photon. lett. pl.v8i2.642