CMOS-compatible Er:Ta2O5 chip for ultrashort pulse amplification
CMOS-compatible Er:Ta2O5 chip for ultrashort pulse amplification
Erbium-doped fiber amplifiers (EDFAs) revolutionized long-haul optical communications and laser technology. However, they face compatibility challenges with future integrated photonic applications that require on-chip processing. Additionally, EDFAs cause significant spectral and temporal distortion when amplifying ultrashort light pulses due to a long interaction length leading to high dispersion and nonlinearities. Erbium ions doped in tantalum pentoxide provide a promising solution for efficient, distortion-free optical pulse amplification in photonic integrated circuits (PICs). The CMOS-compatible on-chip erbium-doped tantalum pentoxide (Er:Ta₂O₅) waveguide amplifier further surpasses traditional EDFAs by offering advantages in integration, scalability, cost-effectiveness, and suitability for high-speed optical communication systems[1].
Vaid, Harsh
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Saxena, Sharashti
a76fb357-8cd9-4600-ae6e-6cd86bf23de2
Dhawan, Rajveer
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Senthil Murugan, Ganapathy
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Wilkinson, James S.
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Choudhary, Amol
538251a7-046a-4b90-830a-617158c97ab8
23 June 2025
Vaid, Harsh
da4d3e3d-7c3c-4ae1-9679-e4e7ee301992
Saxena, Sharashti
a76fb357-8cd9-4600-ae6e-6cd86bf23de2
Dhawan, Rajveer
dabeed50-f586-4903-913c-4d78d6154af1
Senthil Murugan, Ganapathy
a867686e-0535-46cc-ad85-c2342086b25b
Wilkinson, James S.
73483cf3-d9f2-4688-9b09-1c84257884ca
Choudhary, Amol
538251a7-046a-4b90-830a-617158c97ab8
Vaid, Harsh, Saxena, Sharashti, Dhawan, Rajveer, Senthil Murugan, Ganapathy, Wilkinson, James S. and Choudhary, Amol
(2025)
CMOS-compatible Er:Ta2O5 chip for ultrashort pulse amplification.
In Conference on Lasers and Electro-Optics/Europe (CLEO/Europe 2025) and European Quantum Electronics Conference (EQEC 2025).
Optica Publishing Group..
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Conference or Workshop Item
(Paper)
Abstract
Erbium-doped fiber amplifiers (EDFAs) revolutionized long-haul optical communications and laser technology. However, they face compatibility challenges with future integrated photonic applications that require on-chip processing. Additionally, EDFAs cause significant spectral and temporal distortion when amplifying ultrashort light pulses due to a long interaction length leading to high dispersion and nonlinearities. Erbium ions doped in tantalum pentoxide provide a promising solution for efficient, distortion-free optical pulse amplification in photonic integrated circuits (PICs). The CMOS-compatible on-chip erbium-doped tantalum pentoxide (Er:Ta₂O₅) waveguide amplifier further surpasses traditional EDFAs by offering advantages in integration, scalability, cost-effectiveness, and suitability for high-speed optical communication systems[1].
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Published date: 23 June 2025
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Local EPrints ID: 510001
URI: http://eprints.soton.ac.uk/id/eprint/510001
PURE UUID: 8a2a1d9b-be65-4c58-9570-555c2260380b
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Date deposited: 13 Mar 2026 17:31
Last modified: 14 Mar 2026 02:46
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Contributors
Author:
Harsh Vaid
Author:
Sharashti Saxena
Author:
Rajveer Dhawan
Author:
Ganapathy Senthil Murugan
Author:
Amol Choudhary
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