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Directional Couplers Directional couplers are the most important and effective circuits in single-mode guided-wave devices. They have been used in various telecommunication devices such
The optical directional coupler, analogous to the microwave elementl of the same name, consists of paral lel channel optical waveguides sufficiently closely spaced that energy is transferred from one to
Optical directional couplers (ODCs) consist of two or more closely-located optical waveguides, whose modes can couple evanescently and thereby exchange their powers, realizing,
Based on the finite difference eigenmode and finite-difference time-domain simulation results, we analyze the effects of fabrication errors on the coupling of these directional couplers.
Abstract and Figures A tapered asymmetric directional coupler is considered as a promising structure for high tolerance and efficient on-chip mode
Compact integrated optical directional couplers with symmetrically- and asymmetrically etched S-bend waveguides on SOI platform have been designed,
This algorithm can be used especially in the case of multimode fiber-optic elements. The presented technique of the analysis is based on the ray tracing method (RTM).
In this paper, a novel optical directional coupler based on SPPs is proposed, and the finite difference time domain (FDTD) method is used to simulate and analyze its new optical properties.
Request PDF | Design of All-Optical Directional Coupler Using Plasmonic MIM Waveguide for Switching Applications | In this paper, we have
A directional coupler is defined as a device that couples only to waves traveling in a specific direction, allowing for the measurement of forward and reverse power levels in transmission
In this paper, we present the design, fabrication and characterization of a traveling wave directional coupler modulator based on electro-optic polymer, which is able to provide high linearity, high speed,
In this paper, a systematic study on some of the main design parameters of contra-directional couplers (CDCs) was performed. CDCs with different gaps and corrugation sizes were designed, simulated,
The Silicon-on-Insulator (SOI) based platform overcomes limitations of the previous copper and fiber based technologies. Due to its high index difference, SOI waveguide (WG) and directional
We propose a novel design and control mechanism to achieve a widely tunable add-drop filtering element based on silicon photonic Grating-Assisted Contra-Directional Couplers.
A plasmonic 10-dB directional coupler and a 3-dB directional coupler are based on the metal-insulator-metal (MIM) slab waveguide and analyzed at
Abstract Directional couplers are essential components in integrated photonics. Given their widespread use, accurate characterization of directional couplers is crucial for ensuring optimal
In this example, we will study the performance of an electrically tunable contra-directional coupler (CDC) using CHARGE (electrical simulation) and MODE
Abstract Ultracompact optical directional coupler is one of the key elements for nanoscale optical networks and highly integrated optical circuits. Although the transverse size has been reduced down
We have designed and fabricated a photonic crystal directional coupler for use as an optical switch. The design is for the SOI material system, and includes a silica overlayer and infilling of the etched
The essential principle governing directional couplers entails the managed coupling of a fragment of strength from the main transmission line to a
The realization of this directional coupler necessitated the development of an integrated quasi-optical substrateless silicon platform that is
Optical couplers are passive devices that couple light through waveguides or fibers. They play a very important role in the applications of photonic devices and systems. Optical couplers are
Learn how to leverage IPKISS to optimize the design of directional couplers and implement advanced parametric modeling. Introduction A directional coupler
We present the design of a fabrication-tolerant directional coupler in a passive photonic integrated chip fabricated on Imec''s iSiPP50G silicon photonics platform. Based on Finite Difference Eigenmode,
Photonic integrated circuits have intrinsic merits of high integration, large bandwidth, and flexible design, which play an important role in optical communication systems for the interconnect. To increase the
Directional couplers are also used in the design of Mach-Zehnder interferometers for applications in optical switching and demultiplexing . Directional couplers based on microring resonators
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
On-chip optical mode multicasting using tapered directional coupler. In Asia Communications and Photonics Conference (ACP), Optical Society of America, paper ATh3A.53, 2014.
Abstract- Electro-Optical tracking systems are very vital for surveillance, target acquisition and engagement in battle field. They facilitate wide area surveillance with limited field-of-view
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