Control of light transmission in laser-written phase-shifted Bragg grating couplers

Sangwoo Ha; Martin Ams; Graham D. Marshall; Dragomir N. Neshev; Andrey A. Sukhorukov; Yuri S. Kivshar; Michael J. Withford

doi:10.1364/OL.36.001380

Control of light transmission in laser-written phase-shifted Bragg grating couplers

Sangwoo Ha, Martin Ams^*, Graham D. Marshall, Dragomir N. Neshev, Andrey A. Sukhorukov, Yuri S. Kivshar, Michael J. Withford

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

We demonstrate the fabrication by direct laser writing and the operation of a directional coupler containing Bragg gratings in each waveguide. We achieve high-precision control over the longitudinal shift between the gratings, which feature first-order Bragg resonance at telecommunication wavelengths. We observe fundamental differences between light transmission characteristics in couplers with unshifted and shifted gratings in agreement with theoretical predictions.

Original language	English
Pages (from-to)	1380-1382
Number of pages	3
Journal	Optics Letters
Volume	36
Issue number	8
DOIs	https://doi.org/10.1364/OL.36.001380
Publication status	Published - 15 Apr 2011

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abstract = "We demonstrate the fabrication by direct laser writing and the operation of a directional coupler containing Bragg gratings in each waveguide. We achieve high-precision control over the longitudinal shift between the gratings, which feature first-order Bragg resonance at telecommunication wavelengths. We observe fundamental differences between light transmission characteristics in couplers with unshifted and shifted gratings in agreement with theoretical predictions.",

author = "Sangwoo Ha and Martin Ams and Marshall, {Graham D.} and Neshev, {Dragomir N.} and Sukhorukov, {Andrey A.} and Kivshar, {Yuri S.} and Withford, {Michael J.}",

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AU - Ha, Sangwoo

AU - Ams, Martin

AU - Marshall, Graham D.

AU - Neshev, Dragomir N.

AU - Sukhorukov, Andrey A.

AU - Kivshar, Yuri S.

AU - Withford, Michael J.

PY - 2011/4/15

Y1 - 2011/4/15

N2 - We demonstrate the fabrication by direct laser writing and the operation of a directional coupler containing Bragg gratings in each waveguide. We achieve high-precision control over the longitudinal shift between the gratings, which feature first-order Bragg resonance at telecommunication wavelengths. We observe fundamental differences between light transmission characteristics in couplers with unshifted and shifted gratings in agreement with theoretical predictions.

AB - We demonstrate the fabrication by direct laser writing and the operation of a directional coupler containing Bragg gratings in each waveguide. We achieve high-precision control over the longitudinal shift between the gratings, which feature first-order Bragg resonance at telecommunication wavelengths. We observe fundamental differences between light transmission characteristics in couplers with unshifted and shifted gratings in agreement with theoretical predictions.

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DO - 10.1364/OL.36.001380

M3 - Article

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VL - 36

SP - 1380

EP - 1382

JO - Optics Letters

JF - Optics Letters

IS - 8

ER -

Control of light transmission in laser-written phase-shifted Bragg grating couplers

Abstract

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