Comment on "Measurement of the phase refractive index of a photonic crystal fiber mode"

Omer Feinberg, Jonathan Drori, Yuval Rosenberg*

*Corresponding author for this work

Research output: Contribution to journalEditorialpeer-review

2 Citations (Scopus)

Abstract

In a recent Letter [Opt. Lett. 43, 2571 (2018)], Vengelis et al. have claimed to implement a new experimental technique for measuring the phase refractive index of a photonic crystal fiber mode. Unfortunately, while the experimental effort is appreciated, one of the key assumptions was inaccurate. Taking this error into account reveals that the measured value was the fiber's group index, rather than its phase refractive index. (c) 2018 Optical Society of America

Original languageEnglish
Pages (from-to)85-85
Number of pages1
JournalOptics Letters
Volume44
Issue number1
DOIs
Publication statusPublished - 1 Jan 2019

Funding

Publisher Copyright: © 2018 Optical Society of America.

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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