Novel CMOS-Compatible Athermal and Polarization-Insensitive Ring Resonator as Photonic Notch Filter
A hybrid titanium dioxide/silicon rich nitride ring resonator with the unique feature of being simultaneously athermal and polarization-insensitive is reported for the first time to our knowledge. Although its potential application domain is extremely wide, the designed integrated microph...
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| Format: | Article |
| Language: | English |
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IEEE
2018-01-01
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| Series: | IEEE Photonics Journal |
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| Online Access: | https://ieeexplore.ieee.org/document/8500132/ |
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| author | Francesco Dell'Olio Donato Conteduca Giuseppe Brunetti Mario N. Armenise Caterina Ciminelli |
| author_facet | Francesco Dell'Olio Donato Conteduca Giuseppe Brunetti Mario N. Armenise Caterina Ciminelli |
| author_sort | Francesco Dell'Olio |
| collection | DOAJ |
| description | A hybrid titanium dioxide/silicon rich nitride ring resonator with the unique feature of being simultaneously athermal and polarization-insensitive is reported for the first time to our knowledge. Although its potential application domain is extremely wide, the designed integrated microphotonic cavity, having a racetrack shape, is intended for notch filtering in a microwave photonic passband filter. A careful selection of the CMOS-compatible material system and an innovative design approach have allowed a very low dependence of the filtering shape on the input beam polarization and, simultaneously, a thermal drift of the resonance wavelength <1.5 pm/K. The numerically estimated Q-factor, free spectral range, and extinction ratio are compliant with the requirements of the selected application, being equal to 7.8 × 10<sup>4</sup>, 4 nm, and 30.7 dB, respectively. |
| format | Article |
| id | doaj-art-bcc5b6a5fcec4b0cb6feb1bc901f561a |
| institution | Kabale University |
| issn | 1943-0655 |
| language | English |
| publishDate | 2018-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Photonics Journal |
| spelling | doaj-art-bcc5b6a5fcec4b0cb6feb1bc901f561a2025-08-20T03:32:46ZengIEEEIEEE Photonics Journal1943-06552018-01-0110611110.1109/JPHOT.2018.28770818500132Novel CMOS-Compatible Athermal and Polarization-Insensitive Ring Resonator as Photonic Notch FilterFrancesco Dell'Olio0https://orcid.org/0000-0001-9874-5008Donato Conteduca1Giuseppe Brunetti2Mario N. Armenise3https://orcid.org/0000-0003-0298-1351Caterina Ciminelli4https://orcid.org/0000-0001-8724-016XOptoelectronics Laboratory, Politecnico di Bari, Bari, ItalyOptoelectronics Laboratory, Politecnico di Bari, Bari, ItalyOptoelectronics Laboratory, Politecnico di Bari, Bari, ItalyOptoelectronics Laboratory, Politecnico di Bari, Bari, ItalyOptoelectronics Laboratory, Politecnico di Bari, Bari, ItalyA hybrid titanium dioxide/silicon rich nitride ring resonator with the unique feature of being simultaneously athermal and polarization-insensitive is reported for the first time to our knowledge. Although its potential application domain is extremely wide, the designed integrated microphotonic cavity, having a racetrack shape, is intended for notch filtering in a microwave photonic passband filter. A careful selection of the CMOS-compatible material system and an innovative design approach have allowed a very low dependence of the filtering shape on the input beam polarization and, simultaneously, a thermal drift of the resonance wavelength <1.5 pm/K. The numerically estimated Q-factor, free spectral range, and extinction ratio are compliant with the requirements of the selected application, being equal to 7.8 × 10<sup>4</sup>, 4 nm, and 30.7 dB, respectively.https://ieeexplore.ieee.org/document/8500132/Integrated photonic systemswaveguide devices |
| spellingShingle | Francesco Dell'Olio Donato Conteduca Giuseppe Brunetti Mario N. Armenise Caterina Ciminelli Novel CMOS-Compatible Athermal and Polarization-Insensitive Ring Resonator as Photonic Notch Filter IEEE Photonics Journal Integrated photonic systems waveguide devices |
| title | Novel CMOS-Compatible Athermal and Polarization-Insensitive Ring Resonator as Photonic Notch Filter |
| title_full | Novel CMOS-Compatible Athermal and Polarization-Insensitive Ring Resonator as Photonic Notch Filter |
| title_fullStr | Novel CMOS-Compatible Athermal and Polarization-Insensitive Ring Resonator as Photonic Notch Filter |
| title_full_unstemmed | Novel CMOS-Compatible Athermal and Polarization-Insensitive Ring Resonator as Photonic Notch Filter |
| title_short | Novel CMOS-Compatible Athermal and Polarization-Insensitive Ring Resonator as Photonic Notch Filter |
| title_sort | novel cmos compatible athermal and polarization insensitive ring resonator as photonic notch filter |
| topic | Integrated photonic systems waveguide devices |
| url | https://ieeexplore.ieee.org/document/8500132/ |
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