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High index contrast Er:Ta2O5 waveguide amplifier on oxidised silicon

High index contrast Er:Ta2O5 waveguide amplifier on oxidised silicon
High index contrast Er:Ta2O5 waveguide amplifier on oxidised silicon
We report a high index contrast erbium doped tantalum pentoxide waveguide amplifier. 2.3 cm long waveguides with erbium concentration of 2.7 × 1020 cm-3 were fabricated by magnetron sputtering of Er-doped tantalum pentoxide on oxidised silicon substrates and Ar-ion milling with photolithographically defined mask. A net on-chip optical gain of ~2.25 dB/cm at 1531.5 nm was achieved with 20mW of pump power at 977 nm launched into the waveguide. The pump threshold for transparency was 4.5mW.
erbium doped waveguide amplifier, tantalum pentoxide, optical amplifier, high index contrast, integrated optics, Erbium
0030-4018
124-127
Subramanian, Ananth Z.
634f1b3f-45a7-48d8-817c-be88ff70d235
Murugan, G.Senthil
a867686e-0535-46cc-ad85-c2342086b25b
Zervas, Michalis N.
1840a474-dd50-4a55-ab74-6f086aa3f701
Wilkinson, James S.
73483cf3-d9f2-4688-9b09-1c84257884ca
Subramanian, Ananth Z.
634f1b3f-45a7-48d8-817c-be88ff70d235
Murugan, G.Senthil
a867686e-0535-46cc-ad85-c2342086b25b
Zervas, Michalis N.
1840a474-dd50-4a55-ab74-6f086aa3f701
Wilkinson, James S.
73483cf3-d9f2-4688-9b09-1c84257884ca

Subramanian, Ananth Z., Murugan, G.Senthil, Zervas, Michalis N. and Wilkinson, James S. (2012) High index contrast Er:Ta2O5 waveguide amplifier on oxidised silicon. Optics Communications, 285 (2), 124-127. (doi:10.1016/j.optcom.2011.09.028).

Record type: Article

Abstract

We report a high index contrast erbium doped tantalum pentoxide waveguide amplifier. 2.3 cm long waveguides with erbium concentration of 2.7 × 1020 cm-3 were fabricated by magnetron sputtering of Er-doped tantalum pentoxide on oxidised silicon substrates and Ar-ion milling with photolithographically defined mask. A net on-chip optical gain of ~2.25 dB/cm at 1531.5 nm was achieved with 20mW of pump power at 977 nm launched into the waveguide. The pump threshold for transparency was 4.5mW.

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More information

e-pub ahead of print date: 28 September 2011
Published date: 15 January 2012
Keywords: erbium doped waveguide amplifier, tantalum pentoxide, optical amplifier, high index contrast, integrated optics, Erbium
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 205577
URI: http://eprints.soton.ac.uk/id/eprint/205577
ISSN: 0030-4018
PURE UUID: 7f8ecb62-ac4d-472f-afe8-493085bc02cf
ORCID for G.Senthil Murugan: ORCID iD orcid.org/0000-0002-2733-3273
ORCID for Michalis N. Zervas: ORCID iD orcid.org/0000-0002-0651-4059
ORCID for James S. Wilkinson: ORCID iD orcid.org/0000-0003-4712-1697

Catalogue record

Date deposited: 12 Dec 2011 15:16
Last modified: 18 Feb 2021 17:05

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Contributors

Author: Ananth Z. Subramanian

University divisions

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