Fano and Electromagnetically Induced Transparency Resonances in Dual Side-Coupled Photonic Crystal Nanobeam Cavities
2024
Controlling Fano and EIT Resonances in Photonic Crystal Nanobeam Cavities
publication
Evidence: high
Author Information
Author(s): Zhao Yong, Chen Yuxuan, Hao Lijun, Dems Maciej
Primary Institution: Jiangnan University
Hypothesis
Can dual side-coupled photonic crystal nanobeam cavities achieve control over Fano and electromagnetically induced transparency (EIT) line shapes?
Conclusion
The proposed structures can achieve various spectral shapes, including Fano and EIT, with advantages in transmission and low insertion loss.
Supporting Evidence
- The structures can achieve high transmission at resonant peaks.
- They exhibit low insertion loss at non-resonant wavelengths.
- The proposed designs have a wide free spectral range (FSR).
- They can be used in applications like optical switches, modulators, and sensors.
Takeaway
This study shows how to make special light patterns using tiny structures that can help in making better optical devices like switches and sensors.
Methodology
Theoretical analysis via coupled mode theory and numerical demonstration using the 3D finite-difference time-domain (3D FDTD) method.
Digital Object Identifier (DOI)
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