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This chapter presents a detailed discussion of optical directional couplers, which is one of the important components of integrated quantum photonic circuits. Coupled mode theory is used to analyze two
To address these challenges, we propose a novel direct measurement technique that offers greater robustness to variations in optical interfaces, while by-passing extinction ratio
This chapter presents a detailed discussion of optical directional couplers, which is one of the important components of integrated quantum photonic circuits. Coupled mode theory is used to analyze two
In this example, we will study the performance of an electrically tunable contra-directional coupler (CDC) using CHARGE (electrical simulation) and MODE (optical simulation).
I. INTRODUCTION the vacuum states. Such a situation is relevant for the optical communication networks as well as for m ny optical devices. For instance, recently such light has been used in a
These Directional Couplers boast both superior performance and reliability. They feature low insertion losses, ultra-broadband performance, off-the-shelf delivery and compact designs.
GDSFactory has a function that enables users to find the supermodes in a directional coupler, given the gap and permittivity of the waveguide core and cladding. Use the script below to visualize
Coupling at optical frequencies presents challenges to achieving high efficiency, compactness, high fabrication tolerance, and ease of integration in photonic integrated circuits. The paper...
Two embedded optical waveguides in close proximity form a directional coupler. The cladding material is GaAs and the core material is ion-implanted GaAs. The waveguide is excited by the two first
Following the concept of PT-symmetric couplers, we propose a linearly coupled system of nonlinear waveguides, made of positive- and negative-index materials, which carry, respectively, gain and loss.