Stable optical modulators using thin lithium tantalate films
Published on:
8 May 2024
Primary Category:
Optics
Paper Authors:
Keith Powell,
Xudong Li,
Daniel Assumpcao,
Letícia Magalhães,
Neil Sinclair,
Marko Lončar
Bullets
Key Details
Lithium tantalate films enable stable, high-performance optical modulators
DC bias drift <1 dB over 46 hours, 5x better than lithium niobate
Low optical loss comparable to state-of-art lithium niobate devices
Electro-optic bandwidths beyond 50 GHz
Error-free 30 Gbaud modulation demonstrated
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AI generated summary
Stable optical modulators using thin lithium tantalate films
Researchers fabricated lithium tantalate thin-film optical modulators that show much better long-term stability than equivalent lithium niobate devices, without sacrificing optical loss, drive voltage or bandwidth.
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