InGaAsP/InP multimode interference splitter with variable splitting ratio

Sang-Sun Lee; Jae-Hyun Kim; Je-Min Kim; Myung-Ryul Choi; Seok Lee; Deok-ha Woo; Sun-Ho Kim

doi:10.1117/12.391474

14 July 2000 InGaAsP/InP multimode interference splitter with variable splitting ratio

Sang-Sun Lee, Jae-Hyun Kim, Je-Min Kim, Myung-Ryul Choi, Seok Lee, Deok-ha Woo, Sun-Ho Kim

Proceedings Volume 3944, Physics and Simulation of Optoelectronic Devices VIII; (2000) https://doi.org/10.1117/12.391474
Event: Symposium on Integrated Optoelectronics, 2000, San Jose, CA, United States

Abstract

An InGaAsP/InP variable power splitter utilizing the multimode interference (MMI) and the linear electro-optic (LEO) effect is designed and analyzed. The splitter consists of two MMI waveguides and phase-shifting waveguide section between them. The input MMI waveguide acts as a 3-dB splitter for the TE input signal. In the phase-shifting waveguides, the relative phase of split input signals is changed by using the LEO effect. The output MMI waveguide combines the phase-modulated signals at output ports. Depending on the amount of phase change induced by reverse bias voltages of 0 approximately 2.5 V, the splitting ratio varies from 100(DOT)0 to 50:50 continuously.

Citation Download Citation

Sang-Sun Lee, Jae-Hyun Kim, Je-Min Kim, Myung-Ryul Choi, Seok Lee, Deok-ha Woo, and Sun-Ho Kim "InGaAsP/InP multimode interference splitter with variable splitting ratio", Proc. SPIE 3944, Physics and Simulation of Optoelectronic Devices VIII, (14 July 2000); https://doi.org/10.1117/12.391474

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