T Ushikubo

Scalability analysis of diffractive optical element-based free-space photonic circuits for interoptoelectronic chip interconnections.

T. Takamori, K. Kotani, H. Sasaki, 2001, Applied optics.

Field trial of time-spreading and wavelength-hopping OCDM transmission using FBG en/decoders.

N Wada, T Kamijoh, T Ushikubo, 2006, Optics express.