Title :
Analysis of multimode interference couplers with lateral graded-index profiles
Author :
Yih-Bin Lin ; Ju-Feng Liu ; Way-Seen Wang
Author_Institution :
Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei, Taiwan
Abstract :
A design scheme for multimode interference (MMI) devices with lateral graded-index (GRIN) profiles is proposed. The GRIN MMI devices having exact quadratic propagation constants can resolve the phase-error problems of step-index MMI devices.
Keywords :
error analysis; gradient index optics; light interference; optical couplers; optical design techniques; optical waveguide theory; GRIN MMI devices; exact quadratic propagation constants; lateral graded-index profiles; multimode interference couplers; multimode interference devices; phase error problems; step-index MMI devices; Couplers; Equations; Image analysis; Image reconstruction; Interference; Numerical analysis; Polarization; Polynomials; Propagation constant;
Conference_Titel :
Lasers and Electro-Optics, 2001. CLEO/Pacific Rim 2001. The 4th Pacific Rim Conference on
Conference_Location :
Chiba, Japan
Print_ISBN :
0-7803-6738-3
DOI :
10.1109/CLEOPR.2001.970923
