Low-cost multimode waveguide couplers for multimode fiber-based local area networks

Novel, ultra-compact multimode fiber-matched integrated optical 1×2, 1×3 and 2×2 couplers with low excess losses and large tolerances have been designed and simulated using a fully three-dimensional beam propagation metho

Design and fabrication of 1xN and NxN planar waveguide couplers for multimode fiber-based local area networks.

We report on the design and fabrication of compact and potentially low-cost multimode fiber matched 1 x N and N x N couplers for LAN’s. The design utilizes the self-imaging effect and tapering of the Multi-Mode Interference (MMI) section. An extended mode propagation analysis and 3-D beam propagation method (BPM) were used to analyze and design these structures. The simulations show that the couplers exhibit low excess losses, low power imbalance, and relaxed fabrication tolerances at very short device length. The devices were fabricated in polymer waveguide technology using spin coating, photolithography, and reactive ion etching. Preliminary experimental results show promising characteristics

Low-cost multimode waveguide couplers for multimode fiber-based local area networks

Novel, ultra-compact multimode fiber-matched integrated optical 1 × 2, 1 × 3 and 2 × 2 couplers with low excess losses and large tolerances have been designed and simulated using a fully three-dimensional beam propagation method

Fabrication and characterization of planar waveguide couplers for multimode fiber-based local area networks

Compact, multimode fiber-matched 1×2 and 2×2 planar waveguide couplers for fiber-based local area networks (LAN) were fabricated and characterized. Low-cost polymer waveguide technology was employed for fabrication and the design of couplers utilized an extension of the self-imaging principle and waveguide tapering. Results of loss measurement experiments indicated low power imbalance of the couplers