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Zinc indiffused PPLN ridge waveguides

Zinc indiffused PPLN ridge waveguides
Zinc indiffused PPLN ridge waveguides
We demonstrate zinc-indiffused PPLN ridge waveguides with insertion losses of 1.8 dB in 3.4 cm long devices with standard telecommunication fiber butt coupling. Low insertion losses are critical for enabling compact, high-efficiency 780 nm wavelength converted laser sources for space-based Rubidium atom cooling systems. Our low insertion losses are attributed to sub-nanometer waveguide sidewall surface roughness produced by ultra precision ductile mode dicing. Surface roughnesses of 0.29 nm have been measured, demonstrating an order of magnitude reduction compared to prior art. We will present our latest work on zinc-indiffused PPLN ridge waveguides and report on ultra precision ductile mode dicing for PPLN ridge waveguide fabrication.
Carpenter, Lewis Glynn
0daa548e-0d42-4b06-b914-45bfbec41759
Berry, Sam
0f768f48-36c4-4599-8917-7aae657378a7
Field, James
df955b32-3fe1-4aca-866f-95603a4c70f7
Gawith, Corin
926665c0-84c7-4a1d-ae19-ee6d7d14c43e
Carpenter, Lewis Glynn
0daa548e-0d42-4b06-b914-45bfbec41759
Berry, Sam
0f768f48-36c4-4599-8917-7aae657378a7
Field, James
df955b32-3fe1-4aca-866f-95603a4c70f7
Gawith, Corin
926665c0-84c7-4a1d-ae19-ee6d7d14c43e

Carpenter, Lewis Glynn, Berry, Sam, Field, James and Gawith, Corin (2018) Zinc indiffused PPLN ridge waveguides. SPIE Photonics West, San Francisco, United States. 27 Jan - 08 Feb 2018.

Record type: Conference or Workshop Item (Paper)

Abstract

We demonstrate zinc-indiffused PPLN ridge waveguides with insertion losses of 1.8 dB in 3.4 cm long devices with standard telecommunication fiber butt coupling. Low insertion losses are critical for enabling compact, high-efficiency 780 nm wavelength converted laser sources for space-based Rubidium atom cooling systems. Our low insertion losses are attributed to sub-nanometer waveguide sidewall surface roughness produced by ultra precision ductile mode dicing. Surface roughnesses of 0.29 nm have been measured, demonstrating an order of magnitude reduction compared to prior art. We will present our latest work on zinc-indiffused PPLN ridge waveguides and report on ultra precision ductile mode dicing for PPLN ridge waveguide fabrication.

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More information

Published date: 30 January 2018
Venue - Dates: SPIE Photonics West, San Francisco, United States, 2018-01-27 - 2018-02-08

Identifiers

Local EPrints ID: 417702
URI: https://eprints.soton.ac.uk/id/eprint/417702
PURE UUID: 80cc1717-3382-4219-ab96-119226d4d7fb
ORCID for Sam Berry: ORCID iD orcid.org/0000-0002-9538-8655
ORCID for James Field: ORCID iD orcid.org/0000-0002-0985-6062
ORCID for Corin Gawith: ORCID iD orcid.org/0000-0002-3502-3558

Catalogue record

Date deposited: 12 Feb 2018 17:30
Last modified: 14 Mar 2019 01:48

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