Related Experiment Video
Updated: Apr 25, 2026
12:19
Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
Published on: April 4, 2017
7.9K
Performance optimization of a polymer-embedded dual-core slot-assisted plasmonic switch for PICs.
Applied Optics
|April 24, 2026
Summary
This study optimizes a slot-assisted dual-core plasmonic switch (SADCPS) using polymer cladding for enhanced optical confinement. The optimized device achieves superior extinction ratio and figure-of-merit, enabling high-speed, low-energy optical switching for future photonic circuits.
Area of Science:
- Photonics and Plasmonics
- Materials Science for Optoelectronics
Background:
- Plasmonic switches are crucial for miniaturizing optical circuits.
- Existing designs face challenges with optical confinement and performance metrics.
Purpose of the Study:
- To optimize a slot-assisted dual-core plasmonic switch (SADCPS) for improved performance.
- To investigate the impact of polymer cladding and geometric parameters on device characteristics.
Main Methods:
- Systematic optimization of geometrical and structural parameters of the SADCPS.
- Integration of polymer cladding, indium-tin-oxide (ITO), and graphene layers.
- Performance evaluation at 1.55 µm operating wavelength.
Main Results:
- Optimized SADCPS achieved an extinction ratio (ER) of 30.13 dB/µm and insertion loss (IL) of 0.043 dB/µm.
- Demonstrated a maximum modulation speed of 3 THz with low energy consumption (1.11 fJ/bit).
- Graphene-integrated design showed comparable performance with 2 THz modulation speed.
Conclusions:
- The optimized SADCPS offers significant improvements in ER, FOM, and modulation speed.
- The device is highly suitable for integration into next-generation photonic integrated circuits (PICs).
- Polymer cladding effectively enhances optical confinement and device performance.
Related Concept Videos
01:22MOSFET: Enhancement Mode
1.1K
Enhancement-mode MOSFETs are pivotal components in electronics, distinguished by their capacity to act as highly efficient switches. They are part of the larger family of metal-oxide Semiconductor Field-Effect Transistors (MOSFETs). They are available in two types: p-channel and n-channel, each tailored to specific polarity operations.
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no...
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no...
1.1K
01:27Biasing of Metal-Semiconductor Junctions
903
Biasing metal-semiconductor junctions involves applying a voltage across the junction. Specifically, the metal is connected to a voltage source, while the semiconductor is grounded. This technique is essential for controlling the direction and magnitude of current flow in electronic devices, including diodes, transistors, and photovoltaic cells.
In Schottky junctions, where the semiconductor is n-type, applying a positive voltage to the metal relative to the semiconductor reduces its Fermi...
In Schottky junctions, where the semiconductor is n-type, applying a positive voltage to the metal relative to the semiconductor reduces its Fermi...
903