Bound States in the Continuum on a Silicon Chip with Dynamic Tuning
| Autor: | Stefan F. Preble, Fuyi Yang, Jie Yao, John Serafini, Zilun Gong |
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| Rok vydání: | 2021 |
| Předmět: |
Physics
Silicon photonics Electromagnetically induced transparency business.industry Photonic integrated circuit Physics::Optics General Physics and Astronomy 01 natural sciences Waveguide (optics) Statistics::Computation 010309 optics Resonator 0103 physical sciences Optoelectronics Photonics 010306 general physics business Optical filter Photonic crystal |
| Zdroj: | Physical Review Applied. 16 |
| ISSN: | 2331-7019 |
| DOI: | 10.1103/physrevapplied.16.024059 |
| Popis: | Author(s): Gong, Z; Serafini, J; Yang, F; Preble, S; Yao, J | Abstract: Expanding bound states in the continuum (BIC) beyond photonic crystal systems may enable broader applications benefiting from the unique properties of BIC states. We use photonic integrated circuit to realize a Fabry-Perot BIC on a silicon chip. The devices consist of cascaded ring resonators with tunable resonance frequencies and phase delays. As a result, the BIC state is dynamically tuned with electrical I/O. We analyze the mechanism of the formation of BIC states in this waveguide system and point out the fundamental differences between the BIC states and electromagnetically induced transparency states in integrated photonics. The high transmission protected by the BIC state enables versatile optical filters, which are capable of independent control over switching, peak position, and quality factor. We also demonstrate the scalability of this platform. This integrated silicon photonic platform brings opportunities for practical BIC applications. |
| Databáze: | OpenAIRE |
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