Estimation of the Bandwidth of Acceptable Crosstalk of Parallel Coupled Ring Resonator Add/Drop Filters

Mansoor, Riyadh; Sasse, Hugh; Al-Asadi, M.M.; Ison, Stephen; Duffy, Alistair

doi:10.1109/temc.2015.2432914

Cited by 9 publications

(2 citation statements)

References 23 publications

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“…The integration of optical waveguides on a silicon substrate permits a wide variety of communication devices. [1][2][3][4][5] In dense WDM networks (DWDM), to carry out wavelength (channel) selection functionality, dynamic optical devices such as tunable optical filters are required. Tuning range and extinction ratio are some of the important parameters to consider while designing a tunable filter.…”

Section: Introductionmentioning

confidence: 99%

Electrostatically tunable MOEMS waveguide Bragg grating-based DWDM optical filter

Uppalapati

Malayappan

Krishnaswamy³

et al. 2019

J. Micro/Nanolith. MEMS MOEMS

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Electrostatically tunable MOEMS waveguide Bragg grating-based DWDM optical filter,"Abstract. An electrostatically actuated MEMS cantilever beam-based waveguide Bragg grating tunable optical filter has been designed and simulated. The tunable filter is obtained by shifting the reflected wavelength of the waveguide Bragg grating located on the electrostatically actuated cantilever beam. An approach to increasing the electrostatic actuation of the beam by having an electrode underneath the beam is used and a large wavelength tuning range for the optical filter is achieved. Dimensions of the device are chosen such that full-width-halfmaximum is 0.75 nm, thus capable of filtering adjacent channels of the dense wavelength division multiplexing (DWDM) network. The filter has a tuning range of 10.65 nm (1552.52 to 1563.17 nm) providing add/drop functionality for 14 adjacent DWDM channels.

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Section: Introductionmentioning

confidence: 99%

Electrostatically tunable MOEMS waveguide Bragg grating-based DWDM optical filter

Uppalapati

Malayappan

Krishnaswamy³

et al. 2019

J. Micro/Nanolith. MEMS MOEMS

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“…Several methods have been used to check the quality and characteristics of output light from resonator systems. These methods include critical coupling condition, over coupling [8], multiple-stage ring resonator [9], parallel coupling [10], symmetric coupling [11] and asymmetric coupling [12]. The critical coupling condition in ring resonator has been a subject of interest due to its potential application in optical communication [13,14] and photonics sensors [15].…”

Section: Introductionmentioning

confidence: 99%

Retraction: Torsion of space-time in f (R) gravity

Mohsenzadeh¹,

Yusofi²

2013

Journal of Theoretical and Applied Physics

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Optical transfer function for add-drop resonator is derived in the presence of coupling loss using the scattering matrix method. A critical coupling condition for ADR is calculated. The response of the ADR under variation of coupling losses and coupling coefficients is studied. The number of allowed states under the critical condition is determined. The full width at half maximum as sharp as 0.17 nm is achieved. It is found that the relative phase shifts of through and drop ports show the same responses under the critical coupling condition. This response emerges in a butterfly-like phase shift, which can be considered as a new evaluating factor for checking the system in critical coupling condition.Keywords Add-drop resonator Á Phase shift Á Butterfly-like phase shift of through and drop phase Á Scattering matrix method

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Modelling and performance analysis of cascaded asymmetrical quadruple micro-optical ring resonator as an optical filter

Mala,

Mandal

2023

Opt Quant Electron

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Estimation of the Bandwidth of Acceptable Crosstalk of Parallel Coupled Ring Resonator Add/Drop Filters

Cited by 9 publications

References 23 publications

Electrostatically tunable MOEMS waveguide Bragg grating-based DWDM optical filter

Electrostatically tunable MOEMS waveguide Bragg grating-based DWDM optical filter

Retraction: Torsion of space-time in f (R) gravity

Modelling and performance analysis of cascaded asymmetrical quadruple micro-optical ring resonator as an optical filter

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