Design conditions in the middle range for implementation of integrated ring resonators in LiNbO₃ by direct laser writing

The aim of this work is to design an integrated optical ring resonator to be implemented in LiNbO₃ with a 2.5 mm radius and an operating wavelength of 1550 nm. Considering these ring parameters, a free spectral range of 71.54 pm and a quality factor of ∼ 5 × 10⁵ were calculated. The authors apply re...

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Autores principales: Pagano, Paula Luján, Presti, Damián, Peyton, Roberto Ramón, Videla, Fabián Alfredo, Torchia, Gustavo Adrián
Formato: Articulo
Lenguaje:Inglés
Publicado: 2020
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Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/124345
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id I19-R120-10915-124345
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Ingeniería
Ciencias Exactas
integrated optical ring resonator
LiNbO3
Physics
laser writing
lithium niobate crystals
spellingShingle Ingeniería
Ciencias Exactas
integrated optical ring resonator
LiNbO3
Physics
laser writing
lithium niobate crystals
Pagano, Paula Luján
Presti, Damián
Peyton, Roberto Ramón
Videla, Fabián Alfredo
Torchia, Gustavo Adrián
Design conditions in the middle range for implementation of integrated ring resonators in LiNbO₃ by direct laser writing
topic_facet Ingeniería
Ciencias Exactas
integrated optical ring resonator
LiNbO3
Physics
laser writing
lithium niobate crystals
description The aim of this work is to design an integrated optical ring resonator to be implemented in LiNbO₃ with a 2.5 mm radius and an operating wavelength of 1550 nm. Considering these ring parameters, a free spectral range of 71.54 pm and a quality factor of ∼ 5 × 10⁵ were calculated. The authors apply results to improve the implementation of femtosecond laser writing in lithium niobate crystals. As it is well-known finite difference time domain method requires large memory and time for processing circuits with large footprint (few square mm), in contrast, the beam propagation method allows to simulate large bends in a simple way. RSoft suite design tools commonly represent circles by closed polygons whose geometrical parameters are not optimised to obtain bending losses as least as possible, as suggested by coherent coupling theory. In this sense, the suitable determination of a splice angle (in this case 1.44°), shape and length for segments are key parameters in the ring design. For this purpose, an <i>ad hoc</i> software was implemented to overcome this drawback. In summary, a 250 sided polygon side showed a suitable coupling performance and established a new layout approach for middle range rings.
format Articulo
Articulo
author Pagano, Paula Luján
Presti, Damián
Peyton, Roberto Ramón
Videla, Fabián Alfredo
Torchia, Gustavo Adrián
author_facet Pagano, Paula Luján
Presti, Damián
Peyton, Roberto Ramón
Videla, Fabián Alfredo
Torchia, Gustavo Adrián
author_sort Pagano, Paula Luján
title Design conditions in the middle range for implementation of integrated ring resonators in LiNbO₃ by direct laser writing
title_short Design conditions in the middle range for implementation of integrated ring resonators in LiNbO₃ by direct laser writing
title_full Design conditions in the middle range for implementation of integrated ring resonators in LiNbO₃ by direct laser writing
title_fullStr Design conditions in the middle range for implementation of integrated ring resonators in LiNbO₃ by direct laser writing
title_full_unstemmed Design conditions in the middle range for implementation of integrated ring resonators in LiNbO₃ by direct laser writing
title_sort design conditions in the middle range for implementation of integrated ring resonators in linbo₃ by direct laser writing
publishDate 2020
url http://sedici.unlp.edu.ar/handle/10915/124345
work_keys_str_mv AT paganopaulalujan designconditionsinthemiddlerangeforimplementationofintegratedringresonatorsinlinbo3bydirectlaserwriting
AT prestidamian designconditionsinthemiddlerangeforimplementationofintegratedringresonatorsinlinbo3bydirectlaserwriting
AT peytonrobertoramon designconditionsinthemiddlerangeforimplementationofintegratedringresonatorsinlinbo3bydirectlaserwriting
AT videlafabianalfredo designconditionsinthemiddlerangeforimplementationofintegratedringresonatorsinlinbo3bydirectlaserwriting
AT torchiagustavoadrian designconditionsinthemiddlerangeforimplementationofintegratedringresonatorsinlinbo3bydirectlaserwriting
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