Critical Design Comparisons For Flagship Photonic/ Optical
Photonic or optical directional couplers (PDCs) are passive devices that couple lightthrough waveguides or fibers. They are used to split, combine, or redirect optical signalswhile maintaining directionality,
A COMPREHENSIVE REVIEW OF PLANAR DIRECTIONAL
In this review, a full review of different designs and types of planar directional couplers is presented, taking into account various design aspects such as compactness, multiband operation, and
Methodology for Fabrication-Tolerant Planar Directional Couplers
A new methodology for realizing fabrication-tolerant planar directional couplers is proposed and experimentally demonstrated.
Particle Swarm Optimized Optical Directional Couplers with Ultrasmall
In this paper, two cross directional optical couplers on silicon-on-insulator are designed by a particle swarm optimized inverse-design method. Benefiting from the large optimization space, the
Accurate Modeling of Directional Couplers with Oxide Cladding:
We conduct a systematic study involving experimental optical measurements, numerical simulations, and direct electron microscopy imaging to investigate this discrepancy in directional
Wavelength Independent Broadband Directional Couplers
Here we demonstrate the potential of silicon nitride (Si3N4) platform by realizing compact, wavelength independent low-loss directional couplers on it.
Performance analysis of multi hole directional coupler for different
They have been used in various telecommunications instruments, such as splitters, wavelength-dividing multiplexers, optical switches, etc. The paper streamlines the designing process
A COMPREHENSIVE REVIEW OF PLANAR DIRECTIONAL COUPLER PERFORMANCE
In this review, a full review of different designs and types of planar directional couplers is presented, taking into account various design aspects such as compactness, multiband operation, and
Multi-Octave All-Dielectric Directional Coupler Using Integrated Half
Here, we experimentally demonstrate highly efficient transmission and reception of a terahertz slab-mode beam over a 3-dB bandwidth spanning a 6.4:1 range, confirming the broadband
A Rigorous Comparison of the Performance of Directional Couplers
The authors report, for the first time, a direct comparison between a directional coupler and a multimode interference-based device, in relation to their performance characteristics such as crosstalk,
Multi-Octave All-Dielectric Directional Coupler Using
Here, we experimentally demonstrate highly efficient transmission and reception of a terahertz slab-mode beam over a 3-dB bandwidth spanning a 6.4:1
Optical Power Meters & Sources
High-precision power meters (Ge/InGaAs) and stabilized light sources for insertion loss and return loss testing.
OTDR & Fiber Characterization
Full-featured OTDR, fiber OTDR testers, and modular OTDR test modules for network deployment and troubleshooting.
OSA & Eye Diagram Analyzer
High-resolution OSA for DWDM and eye diagram testers for signal integrity validation.
BERT & Endface Inspection
BERT up to 800G, fiber endface inspection probes, and extinction ratio meters for comprehensive testing.