NEAR-FIELD OPTICAL WAVEGUIDE DEVICE, METHOD OF MANUFACTURING THE SAME, AND NEAR-FIELD LIGHT MODULATOR

摘要

PROBLEM TO BE SOLVED: To prevent reduction in transmission efficiency of near-field light as much as possible.;SOLUTION: The near-field light waveguide device includes: a near-field light waveguide part 4 made of a composite of a three-dimensional continuous structure of metal and inorganic oxide; a near-field light-exciting part 6 for introducing near-field light to one end of the near-field light waveguide part; and a near-field light output part 8 for outputting near-field light from the other end of the near-field light waveguide part. The near-field light waveguide part 4 is made of a composite of metal and inorganic oxide. Preferably, the near-field light waveguide part 4 has a high-density structure of 70≤a≤95 and 5≤b≤30 in order to acquire a high guided wave efficiency. Here, a is a ratio of oxide (vol.%), and b is a ratio of metal (vol.%).;COPYRIGHT: (C)2011,JPO&INPIT