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2020
Conference Paper
Titel
Performance evaluation of InP-Based DP-IQ modulators for multiband transmission systems
Abstract
In this paper we study the wavelength-dependence of power imbalance and insertion loss in InP-based 2Ã2 Multi-Mode Interference (MMI) couplers as means to evaluate the design of multiband DP-IQ modulators. A system level investigation is performed on a simulated coherent transmission setup and the impact of different MMI design strategies for 4- and 16-ary quadrature amplitude modulation (QAM) signals is studied.