Title :
A new type of Ti-LiNbO/sub 3/ integrated optical Y branch
Author :
Rangaraj, M. ; Minakata, M.
Author_Institution :
NEC Corp., Kanagawa, Japan
Abstract :
A report on the experimental verification of the basic operation of the proposed type of integrated optical Y branch using Ti-diffused lithium niobate is presented. The advantages of this Y branch include low-branching loss, compact size, no need for extra bending or curved elements when used as a 3-dB coupler in M-Z type switches, and freedom from critical fabrication requirements. A branching loss of 0.5 dB is achieved. The necessary three-dimensional analysis of the Ti-diffused Y-branch structure is described.<>
Keywords :
integrated optics; lithium compounds; optical couplers; optical losses; titanium; 0.5 dB; LiNbO/sub 3/:Ti; M-Z type switches; compact size; coupler; integrated optical Y branch; low-branching loss; three-dimensional analysis; Integrated optics; Optical losses; Optical refraction; Optical variables control; Optical waveguides; Power distribution; Refractive index; Strips; Substrates; Titanium;
Journal_Title :
Photonics Technology Letters, IEEE
