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Use of cross-couplers to decrease size of UV written photonic circuits

Use of cross-couplers to decrease size of UV written photonic circuits
Use of cross-couplers to decrease size of UV written photonic circuits
We demonstrate compact cross-couplers for fiber-pigtailed photonic circuitry produced by direct ultraviolet writing. A new design solution has been applied to shorten the device in length by 400% while keeping the bend loss at a level of <0.1 dB, which allows the use of cross-couplers in more complex photonic circuits with a smaller footprint and propagation loss. We demonstrate symmetrical cross-coupler operation and device performance that surpasses that of previously reported cross-couplers in terms of balanced symmetry and minimized footprint.
integrated optics, optical planar waveguide couplers, optical planar waveguides
1041-1135
947-949
Kundys, D.O.
19eedf85-4e93-4d61-98d0-b1dcf20d4598
Gates, J.C.
b71e31a1-8caa-477e-8556-b64f6cae0dc2
Dasgupta, S.
43e5e81a-3da3-4ba5-a5f4-2abe6301fc71
Gawith, C.B.E.
926665c0-84c7-4a1d-ae19-ee6d7d14c43e
Smith, P.G.R.
8979668a-8b7a-4838-9a74-1a7cfc6665f6
Kundys, D.O.
19eedf85-4e93-4d61-98d0-b1dcf20d4598
Gates, J.C.
b71e31a1-8caa-477e-8556-b64f6cae0dc2
Dasgupta, S.
43e5e81a-3da3-4ba5-a5f4-2abe6301fc71
Gawith, C.B.E.
926665c0-84c7-4a1d-ae19-ee6d7d14c43e
Smith, P.G.R.
8979668a-8b7a-4838-9a74-1a7cfc6665f6

Kundys, D.O., Gates, J.C., Dasgupta, S., Gawith, C.B.E. and Smith, P.G.R. (2009) Use of cross-couplers to decrease size of UV written photonic circuits. IEEE Photonics Technology Letters, 21 (13), 947-949. (doi:10.1109/LPT.2009.2021071).

Record type: Article

Abstract

We demonstrate compact cross-couplers for fiber-pigtailed photonic circuitry produced by direct ultraviolet writing. A new design solution has been applied to shorten the device in length by 400% while keeping the bend loss at a level of <0.1 dB, which allows the use of cross-couplers in more complex photonic circuits with a smaller footprint and propagation loss. We demonstrate symmetrical cross-coupler operation and device performance that surpasses that of previously reported cross-couplers in terms of balanced symmetry and minimized footprint.

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Published date: 1 July 2009
Keywords: integrated optics, optical planar waveguide couplers, optical planar waveguides

Identifiers

Local EPrints ID: 78876
URI: https://eprints.soton.ac.uk/id/eprint/78876
ISSN: 1041-1135
PURE UUID: ff0bd8ce-4a15-4ab2-bc34-758f3fe6e2ca
ORCID for J.C. Gates: ORCID iD orcid.org/0000-0001-8671-5987
ORCID for C.B.E. Gawith: ORCID iD orcid.org/0000-0002-3502-3558
ORCID for P.G.R. Smith: ORCID iD orcid.org/0000-0003-0319-718X

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Date deposited: 15 Mar 2010
Last modified: 21 Nov 2019 01:38

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Contributors

Author: D.O. Kundys
Author: J.C. Gates ORCID iD
Author: S. Dasgupta
Author: C.B.E. Gawith ORCID iD
Author: P.G.R. Smith ORCID iD

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