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Integrated polymers (PVCi/PMATRIFE) microring resonators for low power tunable filters
Authors:Azar Maalouf  Michel Gadonna  Dominique Bosc  Isabelle Hardy
Affiliation:1. Université Européenne de Bretagne, CNRS, Laboratoire FOTON (UMR 6082), ENSSAT, 6, rue de Kerampont, BP80518, 22305 Lannion, France;2. Université Européenne de Bretagne, CNRS, Laboratoire FOTON (UMR 6082), Télécom Bretagne, 6, rue de Kerampont, BP80518, 22305 Lannion, France;1. Department of Physics, SUPA, University of Strathclyde, Glasgow G4 0NG, UK;2. John Adams Institute, Department of Physics, University of Oxford, Oxford OX1 3RH, UK;1. College of Information Science and Engineering, Ningbo University, Ningbo 315211, China;2. State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou 310027, China;1. School of Mechanical Engineering, Iran University of Science and Technology, Narmak, Tehran, Iran;2. School of Mechanical Engineering, Sharif University of Technology, Azadi Avenue, Tehran, Iran;3. Shoushtar Branch, Islamic Azad University, Shoushtar, Iran;1. School of Information Science and Engineering, Southeast University, Nanjing 210096, China;2. Science and Technology on Electromagnetic Compatibility Laboratory, Wuhan 430064, China;3. College of Physical Science and Technology, Central China Normal University, Wuhan 430079, China;4. Department of Physics, Kashgar Teachers College, Kashgar 844000, China
Abstract:In this paper we present optical and thermo-optical characterization results of integrated filters based on micro-ring resonators fabricated with a couple of polymers “PVCI/PMATRIFE”. Their high index contrast (Δn~0.15 at the wavelength of 1550 nm) allows to make small size waveguides with cross sections of 1.5×1.5 μm². The study of the impact of different gaps on the extinction ratio and FWHM (full width at half maximum) of filters leads to a better design. First experiments of thermal tunability of the microring filter using a thermo-electric cooler (TEC) are also reported giving a 5 nm shift of the dropped wavelength for a temperature change of 40 K. The fabrication of gold electrodes on microrings is reported and the electrical power required for the tuning of the drop wavelength of 0.0055 nm/1 mW show that with an optimized electrode design the consumption will be low.
Keywords:
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