[PC-7-6] AFM Direct Measurement of Sidewall Roughness in GaAs/AlGaAs Waveguides K. Hosomi, M. Shirai, K. Hiruma, J. Shigeta, T. Katsuyama (1.Central Research Laboratory, Hitachi, Ltd.) https://doi.org/10.7567/SSDM.1996.PC-7-6