| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a small sized optical functional element of low power consumption which enables a high speed interface between an optical information processor and an electronic circuit or a digital infrastructure. SOLUTION: In one embodiment of this invention, plural two-dimensional waveguides using a photonic crystal having artificial periodic structure, in which two kinds or two kinds or more number of media different in dielectric constant are combined, are laminated nearly in parallel.</p> |
