Femtosecond inscription of phase-shifted gratings by overlaid fiber Bragg gratings

Avishay Shamir; Amiel A. Ishaaya

doi:10.1364/OL.41.002017

Femtosecond inscription of phase-shifted gratings by overlaid fiber Bragg gratings

Avishay Shamir, Amiel A. Ishaaya

Department of Electrical & Computer Engineering

Ben-Gurion University of the Negev

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

Abstract

Two slightly shifted gratings are inscribed, one over the other, in an SMF fiber with a femtosecond laser and a phase mask. The transmission spectrum of the complex structure is similar to that of a phase-shifted grating; yet, the fabrication process is fast and simple compared to standard methods. High-quality semi-phase-shifted gratings with -24 dB transmission loss and <100 pm transmission bandwidth are presented. Their application as highly narrow micro-resonators and notch filters seems feasible.

Original language	American English
Pages (from-to)	2017-2020
Number of pages	4
Journal	Optics Letters
Volume	41
Issue number	9
DOIs	https://doi.org/10.1364/OL.41.002017
State	Published - 1 May 2016

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

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10.1364/OL.41.002017

Cite this

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abstract = "Two slightly shifted gratings are inscribed, one over the other, in an SMF fiber with a femtosecond laser and a phase mask. The transmission spectrum of the complex structure is similar to that of a phase-shifted grating; yet, the fabrication process is fast and simple compared to standard methods. High-quality semi-phase-shifted gratings with -24 dB transmission loss and <100 pm transmission bandwidth are presented. Their application as highly narrow micro-resonators and notch filters seems feasible.",

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AB - Two slightly shifted gratings are inscribed, one over the other, in an SMF fiber with a femtosecond laser and a phase mask. The transmission spectrum of the complex structure is similar to that of a phase-shifted grating; yet, the fabrication process is fast and simple compared to standard methods. High-quality semi-phase-shifted gratings with -24 dB transmission loss and <100 pm transmission bandwidth are presented. Their application as highly narrow micro-resonators and notch filters seems feasible.

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Femtosecond inscription of phase-shifted gratings by overlaid fiber Bragg gratings

Abstract

All Science Journal Classification (ASJC) codes

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