Light propagation studies on laser modified waveguides using scanning near-field optical microscopy

Xavier Borrisé; Gabriel Abadal; David Jiménez; Francesc Pérez-Murano; Núria Barniol; Zachary James Davis; Anja Boisen

doi:https://doi.org/10.1109/68.935811

Light propagation studies on laser modified waveguides using scanning near-field optical microscopy

Xavier Borrisé, Gabriel Abadal, David Jiménez, Francesc Pérez-Murano, Núria Barniol, Zachary James Davis, Anja Boisen

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

2 Citations (Scopus)

Abstract

By means of direct laser writing on Al, a new method to locally modify optical waveguides is proposed. This technique has been applied to silicon nitride waveguides, allowing modifications of the optical propagation along the guide. To study the formed structures, a scanning near-field optical microscope (SNOM) has been used. The laser modifications locally changes the optical properties of the waveguide. The change in the effective refractive index is attributed to a TE to TM mode conversion. Thus, the laser modification might be a new way to fabricate optical mode converters.

Original language	English
Pages (from-to)	809-811
Journal	IEEE Photonics Technology Letters
Volume	13
DOIs	https://doi.org/10.1109/68.935811
Publication status	Published - 1 Aug 2001

Keywords

Integrated optics
Novel lithographic techniques
Optical measurements
Polarization conversion
Scanning near-field optical microscopy (SNOM)

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title = "Light propagation studies on laser modified waveguides using scanning near-field optical microscopy",

abstract = "By means of direct laser writing on Al, a new method to locally modify optical waveguides is proposed. This technique has been applied to silicon nitride waveguides, allowing modifications of the optical propagation along the guide. To study the formed structures, a scanning near-field optical microscope (SNOM) has been used. The laser modifications locally changes the optical properties of the waveguide. The change in the effective refractive index is attributed to a TE to TM mode conversion. Thus, the laser modification might be a new way to fabricate optical mode converters.",

keywords = "Integrated optics, Novel lithographic techniques, Optical measurements, Polarization conversion, Scanning near-field optical microscopy (SNOM)",

author = "Xavier Borris{\'e} and Gabriel Abadal and David Jim{\'e}nez and Francesc P{\'e}rez-Murano and N{\'u}ria Barniol and Davis, {Zachary James} and Anja Boisen",

year = "2001",

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Light propagation studies on laser modified waveguides using scanning near-field optical microscopy. / Borrisé, Xavier; Abadal, Gabriel ; Jiménez, David; Pérez-Murano, Francesc; Barniol, Núria; Davis, Zachary James; Boisen, Anja.

In: IEEE Photonics Technology Letters, Vol. 13, 01.08.2001, p. 809-811.

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

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AU - Barniol, Núria

AU - Davis, Zachary James

AU - Boisen, Anja

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KW - Integrated optics

KW - Novel lithographic techniques

KW - Optical measurements

KW - Polarization conversion

KW - Scanning near-field optical microscopy (SNOM)

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