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Transmission of an optical vortex beam in antiresonant fibers generated in an all-fiber system

Version 1.0

Nguyen, Hue Thi, 2024, "Transmission of an optical vortex beam in antiresonant fibers generated in an all-fiber system", https://doi.org/10.18150/VLGGHD, RepOD, V1

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Description

We report an experimental study on transmission of orbital angular momentum mode in antiresonant fibers generated with a dedicated all-fiber optical vortex phase mask. The vortex generator can convert Gaussian beam into vortex beams with topological charge l = 1. Generated vortex beam is directly butt-coupled into the antiresonant fiber and propagates over distance of 150 cm. The stability and sensitivity of the transmitted vortex beam on the external perturbations including bending, axial stress, and twisting is investigated. We demonstrate distortion-free vortex propagation for the axial stress force below 0.677 N, a bend radius greater than 10 cm.

The datasets presented include: 

1. Design of the vortex mask (VortexDesign.pdf) and a Vortex_Finall.csv file with information on the arrangement, row by row, of the rods made of the two glasses in the hexagonal structure.

A Matlab script is included to properly display the attached csv data: ScriptDrawStructure.m. This script uses the Matlab function: DrawStructure.m.


2. Images of the fabricated structure of the phased element (Vortex_mask2.jpg, Vortex_mask3.png).


3. Fully fiber optic circuit for optical vortex generation:

 - circuit diagram: Scheme_all_fiber_OAM_generator.png

 - layout appearance: all_fiber_OAM_generator.jpg


4. SEM images of the elements used to build the all-fiber optical vortex generator:

 - vortex-generating phase element: Fabricated_nVPM.png

 - nanostructured GRIN lens: Fabricated_nGRIN_lens.png


5. ARF fiber used in the experiment:

 - SEM image of the fiber: Fabricated_ARF

 - transmission of ARF fiber: Spectrum_transmission_ARF.bmp


6. RAW image data recorded during the characterization of the setup

 - Optical vortex at the input to the ARF fiber: OV_Input.png, OV_Input_astigm.png

 - Optical vortex at the output of the ARF fiber: OV_Output.png, OV_Output_astigm.png

 - Optical vortex at ARF output at different forces (X indicates force):

  - OV_Output_FXXX.png

  - OV_Output_FXXX_astigm.png

 - Optical vortex on ARF output at different ARF bend radii (X stands for bend radius):

  - OV_Output_Bent_XX.png

  - OV_Output_Bent_XX_astigm.png

 - Optical vortices on ARF output at different ARF twists (X stands for twist angle):

  - OV_Output_Twist_XXX_clock.png, OV_Output_Twist_320_antclock.png

  - OV_Output_Twist_XXX_clock_astigm.png, OV_Output_Twist_320_antclock_astigm.png


The annotation _astigm - indicates the image after astigmatic transformation.



Prezentowany zbiór danych obejmuje: 


1. Projekt maski fazowej VortexDesign.png oraz plik Vortex_Finall.csv z informacją o rozmieszczeniu, rząd po rzędzie, prętów wykonanych z dwóch szkieł w strukturze heksagonalnej.

Do prawidłowego wyświetlenia załączonych danych csv dołączony jest skrypt Matlab: ScriptDrawStructure.m. Skrypt ten wykorzystuje funkcję Matlab: DrawStructure.m.


2. Obrazy wytworzonej struktury elementu fazowego (Vortex_mask2.jpg, Vortex_mask3.png).


3. W pełni światłowodowy układ do generacji wirów optycznych:

 - schemat układu: Scheme_all_fiber_OAM_generator.png

 - wygląd układu: All_fiber_OAM_generator.jpg


4. Obrazy SEM elementów wykorzystanych do budowy w pełni światłowodowego generatora wirów optycznych:

 - element fazowy generujący wir: Fabricated_nVPM.png

 - nanostrukturyzowana soczewka GRIN: Fabricated_nGRIN_lens.png


5. Włókno ARF wykorzystane w eksperymencie:

 - obraz SEM włókna: Fabricated_ARF

 - transmisja włókna ARF: Spectrum_transmission_ARF.bmp


6. Nie przetworzone dane obrazowe zarejestrowane w trakcie charakteryzacji ukłądu:

 - Wir optyczny na wejściu do włókna ARF: OV_Input.png, OV_Input_astigm.png

 - Wir optyczny na wyjściu z włókna ARF: OV_Output.png, OV_Output_astigm.png

 - Wiry optyczne na wyjściu ARF przy różnych siłach nacisku (X oznacza siłę nacisku):

  - OV_Output_FXXX.png

  - OV_Output_FXXX_astigm.png

 - Wiry optyczne na wyjściu ARF przy różnych promieniach zgięcia ARF (X oznacza promień zgięcia):

  - OV_Output_Bent_XX.png

  - OV_Output_Bent_XX_astigm.png

 - Wiry optyczne na wyjściu ARF przy różnych skręceniach ARF (X oznacza kąt skręcenia):

  - OV_Output_Twist_XXX_clock.png, OV_Output_Twist_320_antclock.png

  - OV_Output_Twist_XXX_clock_astigm.png, OV_Output_Twist_320_antclock_astigm.png


dopisek _astigm - oznacza obraz po transformacji astygmatycznej

(2022-12-01)
Subject
Physics
Keyword

optical vortex, antiresonance fiber, all-fiber system, beam conversion

Related Publication

Hue Thi Nguyen, Grzegorz Stepniewski, Adam Filipkowski, Rafal Kasztelanic, Dariusz Pysz, Hieu Le Van, Ryszard Stepien, Mariusz Klimczak, Wieslaw Krolikowski, and Ryszard Buczynski, "Transmission of an optical vortex beam in antiresonant fibers generated in an all-fiber system," Opt. Express 30, 45635-45647 (2022) https://opg.optica.org/oe/fulltext.cfm?uri=oe-30-25-45635&id=522185 doi: 10.1364/OE.468461

CC BY - Creative Commons Attribution 4.0 CC BY - Creative Commons Attribution 4.0

1 File
Vortex ARF Data.zip
ZIP Archive - 25.3 MB - Oct 9, 2024 - 2 Downloads
MD5: d4b6fa5b2fc5a72bd9604a32484d90a0
License: CC BY - Creative Commons Attribution 4.0
The datasets presented include: 1. Design of the vortex mask (VortexDesign.pdf) and a Vortex_Finall.csv file with information on the arrangement, row by row, of the rods made of the two glasses in the hexagonal structure. A Matlab script is included to properly display the attached csv data: ScriptDrawStructure.m. This script uses the Matlab function: DrawStructure.m. 2. Images of the fabricated structure of the phased element (Vortex_mask2.jpg, Vortex_mask3.png). 3. Fully fiber optic circuit for optical vortex generation: - circuit diagram: Scheme_all_fiber_OAM_generator.png - layout appearance: all_fiber_OAM_generator.jpg 4. SEM images of the elements used to build the all-fiber optical vortex generator: - vortex-generating phase element: Fabricated_nVPM.png - nanostructured GRIN lens: Fabricated_nGRIN_lens.png 5. ARF fiber used in the experiment: - SEM image of the fiber: Fabricated_ARF - transmission of ARF fiber: Spectrum_transmission_ARF.bmp 6. RAW image data recorded during the characterization of the setup.
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