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Generation of stable and breathing flat-top solitons via Raman assisted four wave mixing in microresonators

Yao, Shunyu and Bao, Chengying and Wang, Pan and Yang, Changxi (2020) Generation of stable and breathing flat-top solitons via Raman assisted four wave mixing in microresonators. Physical Review A, 101 (2). Art. No. 023833. ISSN 2469-9926. doi:10.1103/PhysRevA.101.023833. https://resolver.caltech.edu/CaltechAUTHORS:20200220-132743222

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Abstract

Flat-top-soliton (or platicon) dynamics in coherently pumped normal dispersion microresonators is important for both fundamental nonlinear physics and microcomb generation in the visible band. Here we numerically investigate the platicon generation that is initiated via Raman assisted four wave mixing instead of mode interaction. To show the possibility of generating coherent combs in the visible band, we design an aluminum nitride (AlN) microresonator with normal dispersion and investigate the comb generation dynamics in simulations. Stable platicon Kerr combs can be generated in this AlN microresonator using a 780-nm pump. Moreover, we also observe a breather platicon dynamics induced by the narrow Raman gain spectrum of crystalline AlN, which shows distinct dynamics from the dark soliton breathers reported in previous work that are dominated by Kerr effect. A phase diagram bearing the influence of the pump detuning and pump power on the breathing dynamics of the breather platicon is also computed. Furthermore, a transition to chaotic breathing is numerically observed.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1103/PhysRevA.101.023833DOIArticle
ORCID:
AuthorORCID
Yao, Shunyu0000-0002-4614-614X
Yang, Changxi0000-0002-9972-6965
Additional Information:© 2020 American Physical Society. Received 16 August 2019; accepted 27 January 2020; published 19 February 2020. The authors thank Xiaosheng Xiao for insightful discussions. This research is supported by the National Key Research and Development program of China (Grant No. 2017YFF0206104) and the National Natural Science Foundation of China (Grants No. 61575106 and No. 61975090).
Funders:
Funding AgencyGrant Number
National Key Research and Development Program of China2017YFF0206104
National Natural Science Foundation of China61575106
National Natural Science Foundation of China61975090
Issue or Number:2
DOI:10.1103/PhysRevA.101.023833
Record Number:CaltechAUTHORS:20200220-132743222
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20200220-132743222
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:101425
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:20 Feb 2020 21:36
Last Modified:16 Nov 2021 18:02

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