Optical waveguide device 101 has waveguide 103 strip-shaped in the depth direction of the drawing and protruding from peripheral portion 102. A core (not illustrated) is disposed inside waveguide 103. Wall 106 to be cut is integrated with waveguide 103 to form one core layer. No unevenness occurs in...http://www.google.es/patents/US7197220?utm_source=gb-gplus-sharePatente US7197220 - Optical waveguide device and fabricating method thereof
Optical waveguide device and fabricating method thereof
