A directional coupler based optical switch is considered in this example. Two identical single-mode slab polymeric waveguides sandwich an LC layer which
Abstract Due to the strong birefringence, symmetrical directional couplers (DCs) are typically polarization-sensitive in the high index contrast platforms. In this letter, we demonstrate
In this work, a two-mode 1×2 optical switch based on an asymmetric directional coupler and using Sb2Se3 phase-change material is proposed with a compact
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
We describe a novel delta-k electro-optic switch for 1310 nm using a multi-channel directional coupler structure incorporating an organic electro-optic crystal for the
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 switch is one of the most important components in optical communication systems. In this paper, a new photonic crystal (PhC) directional
Keywords: Silicon-on-insulator, nanowire waveguides, directional couplers, multimode interferometer couplers, electron-beam lithography (EBL), in ductively coupled plasma (ICP) etch
Summary This chapter contains sections titled: Introduction Qualitative Description of the Operation of Directional Couplers Marcatili''s Improved Coupled-Mode Equations Directional
Directional couplers are multiple-waveguide couplers used for codirectional coupling. They can be used in many different applications, including power
The design of an all-optical 3-dB and 10-dB directional coupler that functions as an optical switch if applied a control signal by fusing two photonic crystal waveguides with a coupling
Recently, the photonic crystal–based optical components and devices have attracted many researchers'' attention because of its nanoscale size which makes it suitable for the photonic integrated
Abstract 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
Microring vs Directional Coupler Background and Objectives Silicon photonics has emerged as a transformative technology for high-speed optical communication systems, driven by
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
Directional couplers are fundamental components for optical modulators and switches. The first SiGe/Si directional coupler was reported by Mayer et al. (1991). The coupler consisted of two adjacent Ge 0.4
Here, by exploiting an asymmetric directional coupler design, we demonstrate nonvolatile PCM-clad silicon photonic 1 × 2 and 2 × 2 switches with a low insertion loss of ∼1 dB and a compact
Broadband Silicon-On-Insulator (SOI) directional couplers are designed based on a combination of curved and straight coupled waveguide sections.
The directional coupler switch is used extensively in optical communication networks and finds applications also in integrated quantum photonics for switching between entangled states or to
Directional coupler is a basic function in an integrated photonic circuit, in which energy of the optical signal is coupled between adjacent optical waveguides.
A new device structure for a reversed Δ β directional coupler is proposed to achieve the lower value of phase mismatch and device length product (Δ β L) required for switching or digital-like response.
In this example, we will model a directional coupler based optical switch using liquid crystals (LCs). Simulation setup A directional coupler based optical switch is
Optical switch using a directional coupler is also presented. The analysis presented in this chapter is used extensively in later chapters.
The performance of an 8x8 polarisation-independent Ti:LiNbO3 switch matrix is described on the basis of a new type of directional coupler with its full complement of the local area network: A reverse Db
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
Shenzhen Opticom Tech Co., Ltd Feicui Huating, Chuangye 2nd road, Baoan District, Shenzhen, Shenzhen, Guangdong, China,518057 gpon olt, gpon ont, gpon onu, fttx olt and onu, sfp transceiver,
This directional control arises from a strong coupling between the photon linear momentum and the magnetic toroidal moment, enabling non-volatile, deterministic and repeatable switching
E Statistical Physics Plasmas Fluids and Related Interdisciplinary Topics 51 (3): 2527-2537 Trillo, S.; Wabnitz, S.; Wright, E.M.; Stegeman, G.I. 1988: Soliton switching in fiber nonlinear directional
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