MEMS Shutter Based Variable Optical Attenuator Integrated With Large Core Multimode Rectangular Waveguides

Anton Lagosh, Benedikt Guldimann, Gergely Huszka, Hamed Sattari, Berit Ahlers, Grégoire Kerr, Mauro Melozzi, Peyman Rahnama, Takeshi Nishizawa, Niels Quack

Research output: Conference proceeding/Chapter in Book/Report/Conference Paperpeer-review

Abstract

We present the concept and design, and we report on the experimental performance of a broadband Variable Optical Attenuator (VOA) for integration with large-core rectangular multimode waveguides. Operation of an individual 221 μm × 111 μm optical waveguide channel employing a MEMS actuated dual-shutter to continuously modulate the intensity of the optical input signal is demonstrated experimentally. The MEMS actuated dual-shutter is fabricated in a 211 μm thick device layer of a Silicon-On-Insulator wafer by Deep Reactive Ion Etching. Electrostatic comb drive actuators allow a displacement of more than 63 μm at 86 V, resulting in a continuously tunable attenuator efficiency of up to 99.97% at an operating wavelength of 532 nm with a reconfiguration time
Original languageEnglish
Title of host publication2021 IEEE 34th International Conference on Micro Electro Mechanical Systems (MEMS)
Pages961-963
Number of pages3
DOIs
Publication statusPublished - 29 Jan 2021
Externally publishedYes
Event2021 IEEE 34th International Conference on Micro Electro Mechanical Systems (MEMS) - Gainesville, FL, USA
Duration: 25 Jan 202129 Jan 2021

Conference

Conference2021 IEEE 34th International Conference on Micro Electro Mechanical Systems (MEMS)
Period25/01/2129/01/21

Keywords

  • Micromechanical devices
  • Optical fibers
  • Shape
  • Optical device fabrication
  • Optical attenuators
  • Rectangular waveguides
  • Optical waveguides

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