Title :
New design of variable X-coupler optical waveguide passive device
Author :
Asous, Jawdat Y. ; Shaari, Sahbudin
Author_Institution :
Dept. of Electr. Electron. & Syst. Eng, Kebangsaan Malaysia Univ., Bangi, Malaysia
Abstract :
A new design of a variable passive X-coupler optical waveguide device is proposed and its geometry and application are discussed. This device differs from other conventional 2×2 directional couplers and fixed X-couplers, as the device functionality is based on the principle that it is symmetrical, with variable parameters, and that the power in each excited mode can be directed unambiguously into one of the output channels by varying any of its parameters. The geometry and relative position between the input waveguide and the second waveguide of these symmetrical X-shaped channels determines the power splitting ratio. The device has excellent features compared to other passive optical couplers, due to the flexibility of the design parameters such as the off-set distance in the z-direction and the waveguide spacing in the y-direction
Keywords :
integrated optics; optical design techniques; optical directional couplers; design parameter flexibility; device functionality; directional couplers; excited mode power; fixed X-couplers; input waveguide; off-set distance; output channels; output waveguide; passive optical couplers; power splitting ratio; relative position; symmetrical X-shaped channels; symmetrical device; variable X-coupler optical waveguide passive device; variable device parameters; variable passive X-coupler optical waveguide device design; waveguide spacing; Couplers; Optical coupling; Optical design; Optical devices; Optical refraction; Optical surface waves; Optical variables control; Optical waveguide theory; Optical waveguides; Propagation constant;
Conference_Titel :
Semiconductor Electronics, 1998. Proceedings. ICSE '98. 1998 IEEE International Conference on
Conference_Location :
Bangi
Print_ISBN :
0-7803-4971-7
DOI :
10.1109/SMELEC.1998.781180
