READ ME File For 'High Efficiency Butt-coupling of a 405-nm Laser Diode to Hollow Core Fiber'

Dataset DOI: 10.5258/SOTON/D3305
Date that the file was created: November, 2024
Information about geographic location of data collection:  University of Southampton, U.K.

-------------------
GENERAL INFORMATION
-------------------

ReadMe Author: Jing Meng, University of Southampton [OPTIONAL add ORCID ID]

Date of data collection: 01/2024-07/2024

Related projects:
Engineering and Physical Sciences Research Council (EPSRC) Programme 'Airguide Photonics' (EP/P030181/1)


--------------------------
SHARING/ACCESS INFORMATION
-------------------------- 

Licenses/restrictions placed on the data, or limitations of reuse:CC-BY

Recommended citation for the data:

This dataset supports the publication:

AUTHORS:Jing Meng, Sijing Liang, Ian A. Davidson, Gregory T. Jasion, Natalie Wheeler, Francesco Poletti, Lin Xu, David J. Richardson, Yongmin Jung

TITLE:High Efficiency Butt-coupling of a 405-nm Laser Diode to Hollow Core Fiber

JOURNAL:Photonics Technology Letter

PAPER DOI IF KNOWN:https://doi.org/10.1109/LPT.2025.3529601.


--------------------
DATA & FILE OVERVIEW
--------------------

This dataset contains:

The dataset includes excel file that has Wavelength [nm], Attenuation [dB/km], Axial displacement [um], Coupling loss [dB], Simulation and Experiments data that were summarised in figures of the article.


This dataset contains experimental data for the paper:


The figures are as follows:

Fig. 1. (a) Schematic of MFD converter; (b) Output beam profile of the405nm LD; (c) Cross-section and transmission loss of HCF.
Fig.2 (a) BPM simulation of the proposed structure, showing beam propagation in two orthogonal directions; (b) Tolerance of coupling efficiency to the lengths of two fiber segments.
Fig.3 (a) Microscope image of the fabricated MFD converter;(b) Calculated and measured coupling efficiency versus LDellipticity (insert: output beam profile at HCF output; (c)Photo of the packaged LD and MFD converter
Fig.4 (a) Mode field diameter and ellipticity variation withine-GIF with beam images before and after the e-GIF; (b)Calculated coupling efficiency as a function of the LD ellipticity (insert: e-GIF core cross-section).