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Conferences > CLEO_Europe > 2021 > ck_3 > ck_3_3
  • 2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference
  • OSA Technical Digest (Optica Publishing Group, 2021),
  • paper ck_3_3

Efficient, low crosstalk and compact programmable photonic circuits by 3D femtosecond laser micromachining

Francesco Ceccarelli, Ciro Pentangelo, Simone Atzeni, Andrea Crespi, and Roberto Osellame

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Abstract

Thermally-reconfigurable photonic processors suffer from large power dissipation and crosstalk. We show that thermally-insulating microstructures reduce them of an order of magnitude in reconfigurable femtosecond laser written circuits. This performance dramatically improves in vacuum.

© 2021 IEEE

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