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Management of lateral misalignment loss and total insertion loss with beam waist control in high contrast single mode coupling fibers

  • Ramachandran Thandaiah Prabu EMAIL logo , Annalakshmi Thillaigovindan , Manimaraboopathy Maruthu Pandian , Muthu Kumaran Elangovan , Nithya Dorairajan , Karthikeyan Chandrasekaran and Wafaa Fahim Hossam Zain EMAIL logo
Published/Copyright: July 29, 2024
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Abstract

This paper has illustrated the management of lateral misalignment loss and total insertion loss with beam waist control in high contrast single mode coupling fibers. The beam waist variations are clarified versus the fiber coupler wavelength and coupling length variations for the silica glass/fluoride glass fiber coupler with the optimum incident beam angle of 60°. Besides, the coupling loss is demonstrated against the fiber coupler wavelength and coupling length variations for the silica glass/fluoride glass fiber coupler with the optimum incident beam angle of 60°. The optimum beam waist and optimum coupling loss are deeply studied against the fiber coupler core radius variations for the silica/fluoride glass fiber coupler with the optimum incident beam angle of 60° and wavelength of 1,550 nm.


Corresponding authors: Ramachandran Thandaiah Prabu, Department of ECE, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, SIMATS, Saveetha University, Chennai, Tamilnadu, India, E-mail: ; and Wafaa Fahim Hossam Zain, Sakrah Institute of Communication Technology, Sina, Egypt, E-mail:

  1. Research ethics: Not applicable.

  2. Author contributions: The authors have accepted responsibility for the entire content of this manuscript and approved its submission.

  3. Competing interests: The authors state no conflict of interest.

  4. Research funding: Not applicable.

  5. Data availability: Not applicable.

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Received: 2024-05-05
Accepted: 2024-06-30
Published Online: 2024-07-29
Published in Print: 2025-07-28

© 2024 Walter de Gruyter GmbH, Berlin/Boston

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