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Conventional single-mode fibers face a fundamental limitation: the classical diffraction limit.
When the operating wavelength approaches the core dimensions, significant signal degradation occurs, restricting their use in nanoscale photonics.
Photonic crystal fibers, or PCFs, have emerged as a promising alternative, guiding light through the photonic bandgap effect.
They offer unique properties such as endless single-mode operation and tailorable dispersion.
Our research focuses on pushing this frontier further by designing a subwavelength air-core PCF, which utilizes the slot-waveguide effect to achieve optical confinement beyond the diffraction limit.
Our objective is to develop a high-performance fiber polarizer with superior extinction ratio and low insertion loss. |
IEEE/ICACT20260376 Slide.02
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