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Optical and Quantum Electronics

, Volume 47, Issue 6, pp 1437–1442 | Cite as

Analysis of the performance of tapered semiconductor optical amplifiers: role of the taper angle

  • J. M. G. TijeroEmail author
  • L. Borruel
  • M. Vilera
  • A. Perez-Serrano
  • I. Esquivias
Article

Abstract

The role of the taper angle in the performance of tapered semiconductor optical amplifiers emitting at 1.57 \(\upmu \)m is analyzed by means of simulations with a self-consistent steady state electro-optical and thermal simulator. The results indicate that the self-focusing caused by carrier lensing is delayed to higher output powers for devices with taper angle slightly higher than the free diffraction angle and therefore a higher power with beam quality is attainable with these devices at the expenses of a lower efficiency.

Keywords

Semiconductor optical amplifier (SOA) Tapered lasers  Numerical simulation 

Notes

Acknowledgments

This work was supported by the European Commission through the project BRITESPACE under Grant Agreement No. 313200 and by Ministerio de Economía y Competitividad of Spain under project TEC2012-38864-C03-02.

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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  • J. M. G. Tijero
    • 1
    Email author
  • L. Borruel
    • 1
  • M. Vilera
    • 1
  • A. Perez-Serrano
    • 1
  • I. Esquivias
    • 1
  1. 1.E.T.S.I. Telecomunicación-CEMDATICUniversidad Politécnica de MadridMadridSpain

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