Large-FSR Thermally Tunable Double-Ring Filters for WDM Applications in Silicon Photonics

We present the design procedure and experimental results of thermally tunable double ring resonators for integrated wavelength division multiplexing applications. A detailed analytical model specific for double rings is described, and a modified racetrack geometry using Bezier bends is used to reduc...

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Main Authors: C. L. Manganelli, P. Pintus, F. Gambini, D. Fowler, M. Fournier, S. Faralli, C. Kopp, C. J. Oton
Format: Article
Language:English
Published: IEEE 2017-01-01
Series:IEEE Photonics Journal
Subjects:
Online Access:https://ieeexplore.ieee.org/document/7840003/
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author C. L. Manganelli
P. Pintus
F. Gambini
D. Fowler
M. Fournier
S. Faralli
C. Kopp
C. J. Oton
author_facet C. L. Manganelli
P. Pintus
F. Gambini
D. Fowler
M. Fournier
S. Faralli
C. Kopp
C. J. Oton
author_sort C. L. Manganelli
collection DOAJ
description We present the design procedure and experimental results of thermally tunable double ring resonators for integrated wavelength division multiplexing applications. A detailed analytical model specific for double rings is described, and a modified racetrack geometry using Bezier bends is used to reduce bending loss. We demonstrate devices with a free-spectral-range up to 2.4 THz (19 nm) around 1550 nm and nonadjacent channel rejection higher than 35 dB. The experimental results of thermally tunable double ring resonators is also presented with doped silicon integrated heaters, allowing the device to be used as a tunable filter or a switch.
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spelling doaj.art-f13bc9c1a48043a88932f32320fb587f2022-12-21T18:15:39ZengIEEEIEEE Photonics Journal1943-06552017-01-019111010.1109/JPHOT.2017.26624807840003Large-FSR Thermally Tunable Double-Ring Filters for WDM Applications in Silicon PhotonicsC. L. Manganelli0P. Pintus1F. Gambini2D. Fowler3M. Fournier4S. Faralli5C. Kopp6C. J. Oton7Scuola Superiore Sant’Anna Pisa, Istituto Tecip, Pisa, ItalyScuola Superiore Sant’Anna Pisa, Istituto Tecip, Pisa, ItalyScuola Superiore Sant’Anna Pisa, Istituto Tecip, Pisa, ItalyCEA LETI, Minatec, Grenoble, FranceCEA LETI, Minatec, Grenoble, FranceScuola Superiore Sant’Anna Pisa, Istituto Tecip, Pisa, ItalyCEA LETI, Minatec, Grenoble, FranceScuola Superiore Sant’Anna Pisa, Istituto Tecip, Pisa, ItalyWe present the design procedure and experimental results of thermally tunable double ring resonators for integrated wavelength division multiplexing applications. A detailed analytical model specific for double rings is described, and a modified racetrack geometry using Bezier bends is used to reduce bending loss. We demonstrate devices with a free-spectral-range up to 2.4 THz (19 nm) around 1550 nm and nonadjacent channel rejection higher than 35 dB. The experimental results of thermally tunable double ring resonators is also presented with doped silicon integrated heaters, allowing the device to be used as a tunable filter or a switch.https://ieeexplore.ieee.org/document/7840003/Integrated opticsoptical switchesring resonators
spellingShingle C. L. Manganelli
P. Pintus
F. Gambini
D. Fowler
M. Fournier
S. Faralli
C. Kopp
C. J. Oton
Large-FSR Thermally Tunable Double-Ring Filters for WDM Applications in Silicon Photonics
IEEE Photonics Journal
Integrated optics
optical switches
ring resonators
title Large-FSR Thermally Tunable Double-Ring Filters for WDM Applications in Silicon Photonics
title_full Large-FSR Thermally Tunable Double-Ring Filters for WDM Applications in Silicon Photonics
title_fullStr Large-FSR Thermally Tunable Double-Ring Filters for WDM Applications in Silicon Photonics
title_full_unstemmed Large-FSR Thermally Tunable Double-Ring Filters for WDM Applications in Silicon Photonics
title_short Large-FSR Thermally Tunable Double-Ring Filters for WDM Applications in Silicon Photonics
title_sort large fsr thermally tunable double ring filters for wdm applications in silicon photonics
topic Integrated optics
optical switches
ring resonators
url https://ieeexplore.ieee.org/document/7840003/
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