Home / Comparison of Low Noise and Cost-Effectiveness of Optical Directional Couplers
Abstract We demonstrate a design for a high-performance 2 × 2 splitter meeting the essential requirements of broadband coupling, support for arbitrary coupling ratio, ultra low-loss, high
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5.11.2.2 Nonplasmonic Optical Biosensors Photonic waveguide biosensor is an emerging optical technology that has recently been under intensive investigation. It includes planar optical waveguide
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Directional couplers are essential components in inte-grated photonics. Given their widespread use, accurate characterization of directional couplers is crucial for en-suring optimal
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Directional processing can even con-tribute to the decision-making of such a steering algorithm. For example, the dual mic-rophones on a hearing aid may be used to "measure" the level of noise to the
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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
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This book chapter describes the hearing-in-noise problem, natural directivity and hearing in noise, directional microphone systems, how
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This paper focuses on the design, optimization, and characterizations of a low-loss, compact directional coupler-based duplexer.
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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
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Optical coherence tomography (OCT) is a promising imaging modality for clinical. Its certain limitations such as size and complexity are rather challenging wherein exploiting integrated
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Silicon photonics is an enabling technology that provides integrated photonic devices and systems with low-cost mass manufacturing capability. It has
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Noise properties of a directional-coupler-based optical receiver (DCOR) and the resistive-feedback optical receiver (RFOR) topologies are compared. For the DCOR we have both simulated
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Tunable FBGs for ROADM Multilayer Dielectric Thin-Film Filters (TFF) DTMFs can be designed to have flat passbands, low lows, low PDL and polarization sensitivity as well as sharp frequency rolloff.
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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
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Abstract Two integrated directional couplers for simultaneous bidirectional data transmission are presented and compared with respect to coupling efficiency.
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The couplers are manufactured in thin glass sheets by a field-assisted diffusion process, which enables the embedding in Electro-Optical Printed Circuit Boards (EOPCBs).
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A fully CMOS integrated low TX noise UHF RFID digital transmitter with tunable directional coupler is proposed. The transmitter decreases the AM noise density to −144.6 dBc/Hz at
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In this paper, we demonstrate a low-loss and broadband 1 × 8 thermo-optic selective switch utilizing bent directional couplers based on the 2 %-Δ silica based PLC platform.
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Two integrated directional couplers for simultaneous bidirectional data transmission are presented and compared with respect to coupling efficiency. The coupler.
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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.
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The proposed 10-dB directional coupler and 3-dB directional coupler feature good energy confinement, ultra-compact, and low propagation loss, which has potential applications in photonic
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Abstract: We design and demonstrate broadband directional couplers that use asymmetric-waveguide based phase control sections, on the silicon-on-insulator platform.
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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
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Our monolithic LN plasmonic platform enables a wide range of cost-effective optical communication applications that demand μm-scale footprints, ultrafast operation and high
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The objective of this paper is to provide a review of the theory, techniques, and applications of optical couplers.
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A compact directional acoustic sensor is described which uses a two-fiber optical probe, a light emitting diode (LED), a photo-diode detector, and a slender cylindrical cantilever to the end of
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PSO design of an optical directional coupler is an optimization problem consisting of input variables and design parameters within a fitness function (FF).
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In this paper all-optical switching in a new photonic crystal directional coupler is performed. The structure of the switch consists of a directional coupler
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As the capacity of the next-generation passive optical network (PON) is reaching 100 Gb/s and beyond, cost-effective transceivers have been widely discussed. In this work, we provide a comprehensive
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