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Temperature sensor based on optical ring resonator has been demonstrated with its constituent material as silicon (Si-fiber) and germanium (Ge-fiber) in this work. It has been done through optical delay line signal processing technique in Z-domain. The group indices of both the materials vary with the change in temperature due to the thermo-optic effect in materials. Thus temperature dependence of...
Design of Optical double square resonator, with constituent waveguide material as Silicon-on-Insulator, based optical filter and its stability analysis has been stated in this work. The frequency response has been analyzed using delay line signal processing technique in z-domain and Mason's gain formula. On the basis of Vernier principle enhanced free spectral range has been obtained as much as 219...
Optical filter using Optical triple racetrack resonator (OTRR) has been designed in this work using delay line signal processing approach in z-domain and Mason's gain formula. Silicon core with silica cladding having its effective refractive index as 2.379 has been used here as the constituent waveguide material. Based on Vernier principle enhanced free spectral range obtained as much as 23.22 THz...
Vernier principle based optical double racetrack resonator (ODRR) with its constituent material as Silicon-on-insulator (SOI) having effective refractive index as 1.71 has been utilized for obtaining optical filter having wider free spectral range (FSR). Here delay line signal processing technique in Z-domain and Mason's gain formula are being used for analyzing the racetrack resonator. A free spectral...
A wide free spectral range (FSR) quadruple optical ring resonator (QORR) made of silicon on insulator (SOI) as an optical filter has been investigated in this article. FSR obtained in this article is well in the range of commercial communication like dense wavelength division multiplexing (DWDM) systems standard. The underlying principle of analysis is delay line signal processing in z-domain, Mason's...
Optical filters using ring resonators made of silicon on insulator (SOI) based waveguides are enabling technology in the ever expanding field of optical communications. In this work series coupled four rings of two different radii have been used to expand the free spectral range (FSR) on the basis of Vernier principle with two SOI waveguides of different refractive indices (1.7 and 2.5). The quadruple...
Performance of a serially coupled integrated optic triple ring resonator (TRR) which can be used as an optical filter has been investigated in this article. Delay line signal processing and Mason's rule have been used to analyze the TRR architecture. The simple architecture is capable of providing an efficacious free spectral range (FSR) of 1050 GHz. So far this is the widest reported FSR for the...
Vernier principle based modeling and analysis of an optical ring resonator structure that includes four asymmetric rings are introduced in this paper to obtain very wide free spectral range (FSR). Delay line signal processing approach in Z-domain modeling is used for analysis of waveguide based novel quadruple optical ring resonator (QORR). Two QORR architectures made of SOI and SiN waveguides have...
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