Spatio-temporal isolator in lithium niobate on insulator

In this contribution, we simulate, design, and experimentally demonstrate an integrated optical isolator based on spatiotemporal modulation in the thin-film lithium niobate on an insulator waveguide platform. We used two cascaded travelling wave phase modulators for spatiotemporal modulation and a r...

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Main Authors: Haijin Huang, Armandas Balčytis, Aditya Dubey, Andreas Boes, Thach G. Nguyen, Guanghui Ren, Mengxi Tan, Arnan Mitchell
Format: Article
Language:English
Published: Editorial Office of Opto-Electronic Journals, Institute of Optics and Electronics, CAS, China 2023-03-01
Series:Opto-Electronic Science
Subjects:
Online Access:https://www.oejournal.org/article/doi/10.29026/oes.2023.220022
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author Haijin Huang
Armandas Balčytis
Aditya Dubey
Andreas Boes
Thach G. Nguyen
Guanghui Ren
Mengxi Tan
Arnan Mitchell
author_facet Haijin Huang
Armandas Balčytis
Aditya Dubey
Andreas Boes
Thach G. Nguyen
Guanghui Ren
Mengxi Tan
Arnan Mitchell
author_sort Haijin Huang
collection DOAJ
description In this contribution, we simulate, design, and experimentally demonstrate an integrated optical isolator based on spatiotemporal modulation in the thin-film lithium niobate on an insulator waveguide platform. We used two cascaded travelling wave phase modulators for spatiotemporal modulation and a racetrack resonator as a wavelength filter to suppress the sidebands of the reverse propagating light. This enabled us to achieve an isolation of 27 dB. The demonstrated suppression of the reverse propagating light makes such isolators suitable for the integration with III-V laser diodes and Erbium doped gain sections in the thin-film lithium niobate on the insulator waveguide platform.
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spelling doaj.art-2525da0b60a7470f812782d78e1665102023-12-27T09:31:00ZengEditorial Office of Opto-Electronic Journals, Institute of Optics and Electronics, CAS, ChinaOpto-Electronic Science2097-03822023-03-01231610.29026/oes.2023.220022oes-2022-0022Spatio-temporal isolator in lithium niobate on insulatorHaijin Huang0Armandas Balčytis1Aditya Dubey2Andreas Boes3Thach G. Nguyen4Guanghui Ren5Mengxi Tan6Arnan Mitchell7Integrated Photonics and Applications Centre, School of Engineering, RMIT University, Melbourne VIC 3001, AustraliaIntegrated Photonics and Applications Centre, School of Engineering, RMIT University, Melbourne VIC 3001, AustraliaIntegrated Photonics and Applications Centre, School of Engineering, RMIT University, Melbourne VIC 3001, AustraliaIntegrated Photonics and Applications Centre, School of Engineering, RMIT University, Melbourne VIC 3001, AustraliaIntegrated Photonics and Applications Centre, School of Engineering, RMIT University, Melbourne VIC 3001, AustraliaIntegrated Photonics and Applications Centre, School of Engineering, RMIT University, Melbourne VIC 3001, AustraliaIntegrated Photonics and Applications Centre, School of Engineering, RMIT University, Melbourne VIC 3001, AustraliaIntegrated Photonics and Applications Centre, School of Engineering, RMIT University, Melbourne VIC 3001, AustraliaIn this contribution, we simulate, design, and experimentally demonstrate an integrated optical isolator based on spatiotemporal modulation in the thin-film lithium niobate on an insulator waveguide platform. We used two cascaded travelling wave phase modulators for spatiotemporal modulation and a racetrack resonator as a wavelength filter to suppress the sidebands of the reverse propagating light. This enabled us to achieve an isolation of 27 dB. The demonstrated suppression of the reverse propagating light makes such isolators suitable for the integration with III-V laser diodes and Erbium doped gain sections in the thin-film lithium niobate on the insulator waveguide platform.https://www.oejournal.org/article/doi/10.29026/oes.2023.220022isolatorlithium niobatemodulator
spellingShingle Haijin Huang
Armandas Balčytis
Aditya Dubey
Andreas Boes
Thach G. Nguyen
Guanghui Ren
Mengxi Tan
Arnan Mitchell
Spatio-temporal isolator in lithium niobate on insulator
Opto-Electronic Science
isolator
lithium niobate
modulator
title Spatio-temporal isolator in lithium niobate on insulator
title_full Spatio-temporal isolator in lithium niobate on insulator
title_fullStr Spatio-temporal isolator in lithium niobate on insulator
title_full_unstemmed Spatio-temporal isolator in lithium niobate on insulator
title_short Spatio-temporal isolator in lithium niobate on insulator
title_sort spatio temporal isolator in lithium niobate on insulator
topic isolator
lithium niobate
modulator
url https://www.oejournal.org/article/doi/10.29026/oes.2023.220022
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AT andreasboes spatiotemporalisolatorinlithiumniobateoninsulator
AT thachgnguyen spatiotemporalisolatorinlithiumniobateoninsulator
AT guanghuiren spatiotemporalisolatorinlithiumniobateoninsulator
AT mengxitan spatiotemporalisolatorinlithiumniobateoninsulator
AT arnanmitchell spatiotemporalisolatorinlithiumniobateoninsulator