In this paper we present a review focused on Space Division Multiplexing (SDM) technology. A summary of the most recent works on innovation in the efficiency of SDM as well as its application in data transmission is described. SDM is a technology that has improved the capacity of optical communication systems. Combined with other optical technologies has significantly increased the capacity of information that is sent through an optical fiber.
Microwave photonic filters (MPFs) with the capabilities of bandwidth reconfigurability and frequency tunability in the GHz range are of great interest in high-speed communications systems. In this paper, we propose a new reconfigurable multiband microwave photonic filter (MPF) using a tunable Fabry–Perot Filter (FPF). It is demonstrated by numerical simulations that the modification of the intermodal separation (δλ) of a multimode laser diode (MLD) by tunable FPF allows for the reconfigurable multi-passband of the MPF. Our simulation results show that our new filter system is promising to communications systems.
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