Four-Port Interference Device on an Integrated Photonics Platform Based on Tilted Bragg Gratings

Weisen, Mathias J.; Gates, James C.; Gawith, C.B.E.; Smith, Peter G. R.; Horák, Péter

doi:10.1109/cleoe-eqec.2019.8873070

2019 Conference on Lasers and Electro-Optics Europe &Amp; European Quantum Electronics Conference (CLEO/Europe-EQEC) 2019

DOI: 10.1109/cleoe-eqec.2019.8873070

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Four-Port Interference Device on an Integrated Photonics Platform Based on Tilted Bragg Gratings

Mathias J. Weisen

James C. Gates

C.B.E. Gawith

et al.

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“…Previously, we have developed UV writing technology for tilted gratings and demonstrated its use for waveguide-to-waveguide coupling experimentally [1] and numerically [2]. We have also simulated a unidirectional 4x4 coupler based on two two-mode waveguides [3].…”

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confidence: 99%

Four-port integrated waveguide coupler exploiting bidirectional propagation of two single-mode waveguides (Conference Presentation)

Weisen¹,

Gates²,

Gawith³

et al. 2020

Nanophotonics VIII

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We propose and numerically simulate a new and highly compact integrated 4x4 mode coupler based on two single-mode waveguides exploiting both propagation directions to double the number of modes. The two parallel waveguides are coupled via long and short-period gratings to the co-and counterpropagating directions, respectively, of a single, isolated cladding mode of the device which acts as a bus to transfer light between the waveguides. By connecting all end facets of the two waveguides to optical circulators we construct a device with four input and four output ports but only using two single-mode waveguides.

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mentioning

confidence: 99%

Four-port integrated waveguide coupler exploiting bidirectional propagation of two single-mode waveguides (Conference Presentation)

Weisen¹,

Gates²,

Gawith³

et al. 2020

Nanophotonics VIII

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“…In this case, a large number N of input channels (different modes in different waveguides) can be supported in a compact device. Grating-induced coupling between waveguide and cladding modes can be made highly selective, and arbitrary N-by-N coupling matrices can be achieved [4].…”

mentioning

confidence: 99%

Tilted Bragg Gratings as an Efficient Platform for Integrated Multimode Interference Devices

Horák

Weisen

Gates

et al. 2019

2019 21st International Conference on Transparent Optical Networks (ICTON)

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We have recently developed and experimentally demonstrated the technology of tilted Bragg gratings in integrated optical waveguides to achieve polarisation selective coupling between parallel waveguides. Here I will review our ideas, designs and simulations for novel devices based on this platform. Multimode devices, tailored phase matching, and methods for significantly improved coupling efficiencies will be discussed that will be of interest for applications in quantum information processing and multimode optical telecommunication.

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Four-Port Interference Device on an Integrated Photonics Platform Based on Tilted Bragg Gratings

Cited by 2 publications

References 2 publications

Four-port integrated waveguide coupler exploiting bidirectional propagation of two single-mode waveguides (Conference Presentation)

Four-port integrated waveguide coupler exploiting bidirectional propagation of two single-mode waveguides (Conference Presentation)

Tilted Bragg Gratings as an Efficient Platform for Integrated Multimode Interference Devices

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