In this work, we demonstrate high-fidelity directional couplers for single-qubit gates in photonic integrated waveguides, utilizing a novel scheme of
Analysis of optical directional couplers in thin glass sheets for PCB integration Large Optical Backplane With Embedded Graded-Index Glass Waveguides and Fiber-Flex Termination
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
Directional couplers are multiple-waveguide couplers used for codirectional coupling. They can be used in many different applications, including power
In this tutorial, we''ll uncover the benefits of creating a parametric model for directional couplers, leveraging the advanced layout and model-building
A compact directional coupler fabricated on a silicon photonic platform is presented, with a power-splitting ratio that can be tuned through a transverse temperature
A compact directional coupler structure-based duplexer has been investigated, provided with the higher output power coupling ratio for combining wavelengths equal to 1530 nm and 1653.7 nm.
In this paper, we have proposed, analyzed, and verified the performance of an optimized plasmonic 10-dB directional coupler and a 3-dB directional coupler in 2-D plasmonic waveguides
The realization of this directional coupler necessitated the development of an integrated quasi-optical substrateless silicon platform that is
Optical directional couplers (ODCs) consist of two or more closely-located optical waveguides, whose modes can couple evanescently and thereby exchange their powers, realizing,
We propose a three-dimensional waveguide structure for the realization of mode-selective switches, where the high-order spatial modes of a few-mode waveguide can be switched to
This text demonstrates how to design directional couplers based on thermo-optic effects for optical fiber communication. The first experimental evidence for the existence of image-potential states in carbon
We conduct a systematic study involving experimental optical measurements, numerical simulations, and direct electron microscopy imaging to investigate this discrepancy in directional
The wavelength used in this simulation is in the C-Band region, which is around 1550 nm. Temperature changes cause changes in the material refractive index. Temperature changes cause a shift in
A directional coupler structure formed by a nematic liquid crystal (NLC)-filled photonic crystal fiber (PCF) represents a promising configuration in
Directional coupler is a basic function in an integrated photonic circuit, in which energy of the optical signal is coupled between adjacent optical waveguides.
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
However, to the best of our knowledge, there is no report on optical directional coupler based on LN photonic wires, although varieties of waveguide couplers have been widely proposed or
The study proposed in this paper introduces a novel methodology to theoretically analyze how temperature influences the coupling characteristics of waveguide directional couplers within two
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
A new methodology for realizing fabrication-tolerant planar directional couplers is proposed and experimentally demonstrated.
A fiber directional coupler is defined as an optical component that splits and combines optical signals by utilizing the interference of evanescent waves from two closely positioned fibers, enabling power
To address these challenges, we propose a novel direct measurement technique that offers greater robustness to variations in optical interfaces, while bypassing extinction ratio
Dichroic couplers can be used to combine a pump and a signal input for a fiber amplifier, or to remove residual pump light after the amplifier. For high-power
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
Qualitative Description of the Operation of Directional Couplers Marcatili''s Improved Coupled-Mode Equations Directional Couplers with Uniform Cross Section and Constant Spacing
Optical directional couplers are very important components in integrated quan- tum photonics and find applications in modulation, switching, power splitters, entangled photon pair generation, quantum
Integrated optical waveguides on board level gain more interest with growing bandwidth. Due to limited space on board level, a new approach is to use bidirectional optical transmission on
Picosecond-resolution optical pulse shaping (OPS) is desired for many important applications in ultrahigh-bit-rate optical fiber communications and ultrafast optical signal processing.
In this paper, we provide an overview and comparison of devices used for optical waveguide-to-waveguide coupling including inter-chip edge
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