Dimitris Alexandropoulos et al 2009 J. Opt. A: Pure Appl. Opt. 11 125401 doi:10.1088/1464-4258/11/12/125401
Microring resonators with enhanced tolerance to fabrication misalignments
Dimitris Alexandropoulos1, Hercules Simos2, Mihai Kusko3, Dana Cristea3, Dimitris Syvridis2 and Nikos A Vainos1
Show affiliationsAnalysis of a design scheme that relaxes alignment issues is reported. This entails the use of vertically coupled microring resonators (MR). It is shown that an almost flat response of the coupling coefficient to offset values up to 1 µm is feasible by judicious choice of the bus and ring waveguide geometry. The scheme is evaluated using FDTD simulations and its applicability to functional devices is probed via the transfer-matrix method of the transmission characteristics of microring-based filters.
- PACS
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02.70.Bf Finite-difference methods
42.79.-e Optical elements, devices, and systems
42.15.Eq Optical system design
42.86.+b Optical workshop techniques
85.85.+j Micro- and nano-electromechanical systems (MEMS/NEMS) and devices
- Subjects
- Dates
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Issue 12 (December 2009)
Received 15 April 2009, accepted for publication 4 August 2009
Published 21 September 2009
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Microring resonators with enhanced tolerance to fabrication misalignments
Dimitris Alexandropoulos et al 2009 J. Opt. A: Pure Appl. Opt. 11 125401
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