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Low-power, ultrafast, and dynamic all-optical tunable plasmon induced transparency in two stub resonators side-coupled with a plasmonic waveguide system

We theoretically and numerically investigate a low-power, ultrafast, and dynamic all-optical tunable plasmon induced transparency (PIT) in two stub resonators side-coupled with a metal-dielectric-metal (MDM) plasmonic waveguide system. The optical Kerr effect is enhanced by the local electromagnetic... Full description

Journal Title: Journal of Physics D: Applied Physics 2017, Vol.50(45), p.455107 (10pp)
Main Author: Wang, Boyun
Other Authors: Zeng, Qingdong , Xiao, Shuyuan , Xu, Chen , Xiong, Liangbin , Lv, Hao , Du, Jun , Yu, Huaqing
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0022-3727 ; E-ISSN: 1361-6463 ; DOI: 10.1088/1361-6463/aa8d61
Link: http://dx.doi.org/10.1088/1361-6463/aa8d61
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recordid: iop10.1088/1361-6463/aa8d61
title: Low-power, ultrafast, and dynamic all-optical tunable plasmon induced transparency in two stub resonators side-coupled with a plasmonic waveguide system
format: Article
creator:
  • Wang, Boyun
  • Zeng, Qingdong
  • Xiao, Shuyuan
  • Xu, Chen
  • Xiong, Liangbin
  • Lv, Hao
  • Du, Jun
  • Yu, Huaqing
subjects:
  • Wellenleiter
  • Resonator
  • Phasenverschiebung
  • Dielektrikum
  • Elektromagnetisches Feld
  • Kerr-Effekt
  • Kompositwerkstoff
  • Gruppenlaufzeit
  • Graphen
  • Rückmeldezeit
  • Oberflächenplasmon
  • Polariton
  • Plasmon
  • Engineering
  • Physics
ispartof: Journal of Physics D: Applied Physics, 2017, Vol.50(45), p.455107 (10pp)
description: We theoretically and numerically investigate a low-power, ultrafast, and dynamic all-optical tunable plasmon induced transparency (PIT) in two stub resonators side-coupled with a metal-dielectric-metal (MDM) plasmonic waveguide system. The optical Kerr effect is enhanced by the local electromagnetic field of surface plasmon polaritons (SPPs) and the plasmonic waveguide based on graphene-Ag composite material structures with large effective Kerr nonlinear coefficient. An ultrafast response time of the order of 1 ps is reached because of ultrafast carrier relaxation dynamics of graphene. With dynamically tuning the propagation phase of the plasmonic waveguide, π -phase shift of the transmission spectrum in the PIT system is achieved under excitation of a pump light with an intensity as low as 5.8 MW cm −2 . The group delay is controlled between 0.14 and 0.67 ps. Moreover, the tunable bandwidth of about 42 nm is obtained. For the indirect coupling between two stub cavities or the phase coupling scheme, the phase shift multiplication effect of the PIT effect is found. All observed schemes are analyzed rigorously through finite-difference time-domain simulations and coupled-mode formalism. This work not only paves the way towards the realization of on-chip integrated nanophotonic devices but also opens the possibility of the construction of ultrahigh-speed information processing chips based on plasmonic circuits.
language: eng
source:
identifier: ISSN: 0022-3727 ; E-ISSN: 1361-6463 ; DOI: 10.1088/1361-6463/aa8d61
fulltext: no_fulltext
issn:
  • 0022-3727
  • 1361-6463
  • 00223727
  • 13616463
url: Link


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titleLow-power, ultrafast, and dynamic all-optical tunable plasmon induced transparency in two stub resonators side-coupled with a plasmonic waveguide system
creatorWang, Boyun ; Zeng, Qingdong ; Xiao, Shuyuan ; Xu, Chen ; Xiong, Liangbin ; Lv, Hao ; Du, Jun ; Yu, Huaqing
ispartofJournal of Physics D: Applied Physics, 2017, Vol.50(45), p.455107 (10pp)
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descriptionWe theoretically and numerically investigate a low-power, ultrafast, and dynamic all-optical tunable plasmon induced transparency (PIT) in two stub resonators side-coupled with a metal-dielectric-metal (MDM) plasmonic waveguide system. The optical Kerr effect is enhanced by the local electromagnetic field of surface plasmon polaritons (SPPs) and the plasmonic waveguide based on graphene-Ag composite material structures with large effective Kerr nonlinear coefficient. An ultrafast response time of the order of 1 ps is reached because of ultrafast carrier relaxation dynamics of graphene. With dynamically tuning the propagation phase of the plasmonic waveguide, π -phase shift of the transmission spectrum in the PIT system is achieved under excitation of a pump light with an intensity as low as 5.8 MW cm −2 . The group delay is controlled between 0.14 and 0.67 ps. Moreover, the tunable bandwidth of about 42 nm is obtained. For the indirect coupling between two stub cavities or the phase coupling scheme, the phase shift multiplication effect of the PIT effect is found. All observed schemes are analyzed rigorously through finite-difference time-domain simulations and coupled-mode formalism. This work not only paves the way towards the realization of on-chip integrated nanophotonic devices but also opens the possibility of the construction of ultrahigh-speed information processing chips based on plasmonic circuits.
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subjectWellenleiter ; Resonator ; Phasenverschiebung ; Dielektrikum ; Elektromagnetisches Feld ; Kerr-Effekt ; Kompositwerkstoff ; Gruppenlaufzeit ; Graphen ; Rückmeldezeit ; Oberflächenplasmon ; Polariton ; Plasmon ; Engineering ; Physics;
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titleLow-power, ultrafast, and dynamic all-optical tunable plasmon induced transparency in two stub resonators side-coupled with a plasmonic waveguide system
descriptionWe theoretically and numerically investigate a low-power, ultrafast, and dynamic all-optical tunable plasmon induced transparency (PIT) in two stub resonators side-coupled with a metal-dielectric-metal (MDM) plasmonic waveguide system. The optical Kerr effect is enhanced by the local electromagnetic field of surface plasmon polaritons (SPPs) and the plasmonic waveguide based on graphene-Ag composite material structures with large effective Kerr nonlinear coefficient. An ultrafast response time of the order of 1 ps is reached because of ultrafast carrier relaxation dynamics of graphene. With dynamically tuning the propagation phase of the plasmonic waveguide, π -phase shift of the transmission spectrum in the PIT system is achieved under excitation of a pump light with an intensity as low as 5.8 MW cm −2 . The group delay is controlled between 0.14 and 0.67 ps. Moreover, the tunable bandwidth of about 42 nm is obtained. For the indirect coupling between two stub cavities or the phase coupling scheme, the phase shift multiplication effect of the PIT effect is found. All observed schemes are analyzed rigorously through finite-difference time-domain simulations and coupled-mode formalism. This work not only paves the way towards the realization of on-chip integrated nanophotonic devices but also opens the possibility of the construction of ultrahigh-speed information processing chips based on plasmonic circuits.
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abstractWe theoretically and numerically investigate a low-power, ultrafast, and dynamic all-optical tunable plasmon induced transparency (PIT) in two stub resonators side-coupled with a metal-dielectric-metal (MDM) plasmonic waveguide system. The optical Kerr effect is enhanced by the local electromagnetic field of surface plasmon polaritons (SPPs) and the plasmonic waveguide based on graphene-Ag composite material structures with large effective Kerr nonlinear coefficient. An ultrafast response time of the order of 1 ps is reached because of ultrafast carrier relaxation dynamics of graphene. With dynamically tuning the propagation phase of the plasmonic waveguide, π -phase shift of the transmission spectrum in the PIT system is achieved under excitation of a pump light with an intensity as low as 5.8 MW cm −2 . The group delay is controlled between 0.14 and 0.67 ps. Moreover, the tunable bandwidth of about 42 nm is obtained. For the indirect coupling between two stub cavities or the phase coupling scheme, the phase shift multiplication effect of the PIT effect is found. All observed schemes are analyzed rigorously through finite-difference time-domain simulations and coupled-mode formalism. This work not only paves the way towards the realization of on-chip integrated nanophotonic devices but also opens the possibility of the construction of ultrahigh-speed information processing chips based on plasmonic circuits.
doi10.1088/1361-6463/aa8d61
orcidid0000-0002-8401-0198
date2017-11-15