Three-Dimensional Cross-Coupled Silicon Nitride Racetrack Resonator-Based Tunable Optical Filter

Jijun Feng; Ryoichi Akimoto; Qiang Hao; Heping Zeng

doi:10.1109/LPT.2017.2685430

Three-Dimensional Cross-Coupled Silicon Nitride Racetrack Resonator-Based Tunable Optical Filter

Jijun Feng^*, Ryoichi Akimoto, Qiang Hao, Heping Zeng

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

Abstract

A tunable three-dimensional silicon nitride racetrack resonator was experimentally demonstrated, with a microring resonator on a bottom layer and a feedback cross-coupled waveguide on a top layer. At a 1559.3-nm wavelength, an extinction ratio of more than 14 dB and free spectral range of 2.7 nm can be realized with a quality factor of about 1.88× 10⁴. The filter performance, such as the resonance wavelength and extinction ratio, can be thermo-optically tuned based on the electrical control of a heater above the feedback waveguide. The presented device has a potential to be applied as a tunable modulator/switch as well as a highly sensitive sensor.

Original language	English
Article number	7883922
Pages (from-to)	771-774
Number of pages	4
Journal	IEEE Photonics Technology Letters
Volume	29
Issue number	9
DOIs	https://doi.org/10.1109/LPT.2017.2685430
State	Published - 1 May 2017
Externally published	Yes

Keywords

Resonator filters
integrated optics
silicon nitride
waveguide couplers

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title = "Three-Dimensional Cross-Coupled Silicon Nitride Racetrack Resonator-Based Tunable Optical Filter",

abstract = "A tunable three-dimensional silicon nitride racetrack resonator was experimentally demonstrated, with a microring resonator on a bottom layer and a feedback cross-coupled waveguide on a top layer. At a 1559.3-nm wavelength, an extinction ratio of more than 14 dB and free spectral range of 2.7 nm can be realized with a quality factor of about 1.88× 104. The filter performance, such as the resonance wavelength and extinction ratio, can be thermo-optically tuned based on the electrical control of a heater above the feedback waveguide. The presented device has a potential to be applied as a tunable modulator/switch as well as a highly sensitive sensor.",

keywords = "Resonator filters, integrated optics, silicon nitride, waveguide couplers",

author = "Jijun Feng and Ryoichi Akimoto and Qiang Hao and Heping Zeng",

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year = "2017",

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T1 - Three-Dimensional Cross-Coupled Silicon Nitride Racetrack Resonator-Based Tunable Optical Filter

AU - Feng, Jijun

AU - Akimoto, Ryoichi

AU - Hao, Qiang

AU - Zeng, Heping

PY - 2017/5/1

Y1 - 2017/5/1

N2 - A tunable three-dimensional silicon nitride racetrack resonator was experimentally demonstrated, with a microring resonator on a bottom layer and a feedback cross-coupled waveguide on a top layer. At a 1559.3-nm wavelength, an extinction ratio of more than 14 dB and free spectral range of 2.7 nm can be realized with a quality factor of about 1.88× 104. The filter performance, such as the resonance wavelength and extinction ratio, can be thermo-optically tuned based on the electrical control of a heater above the feedback waveguide. The presented device has a potential to be applied as a tunable modulator/switch as well as a highly sensitive sensor.

AB - A tunable three-dimensional silicon nitride racetrack resonator was experimentally demonstrated, with a microring resonator on a bottom layer and a feedback cross-coupled waveguide on a top layer. At a 1559.3-nm wavelength, an extinction ratio of more than 14 dB and free spectral range of 2.7 nm can be realized with a quality factor of about 1.88× 104. The filter performance, such as the resonance wavelength and extinction ratio, can be thermo-optically tuned based on the electrical control of a heater above the feedback waveguide. The presented device has a potential to be applied as a tunable modulator/switch as well as a highly sensitive sensor.

KW - Resonator filters

KW - integrated optics

KW - silicon nitride

KW - waveguide couplers

UR - https://www.scopus.com/pages/publications/85018528316

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DO - 10.1109/LPT.2017.2685430

M3 - 文章

AN - SCOPUS:85018528316

SN - 1041-1135

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SP - 771

EP - 774

JO - IEEE Photonics Technology Letters

JF - IEEE Photonics Technology Letters

IS - 9

M1 - 7883922

ER -

Three-Dimensional Cross-Coupled Silicon Nitride Racetrack Resonator-Based Tunable Optical Filter

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Keywords

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