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50 Gb/s silicon photonics receiver with low insertion loss

50 Gb/s silicon photonics receiver with low insertion loss
50 Gb/s silicon photonics receiver with low insertion loss
Optical (de)multiplexers which can provide low insertion loss, low cross-talk, high thermal stability and insensitivity to fabrication tolerances are essential components for silicon photonics integration. In this paper we demonstrate the integration of an angled multimode interferometer coarse wavelength division multiplexer with germanium p-i-n photodetectors to form a 50 Gb/s receiver with a low insertion loss of < -0.5 dB and cross-talk of < -15 dB. The angled multimode interferometer has the flexibility to be designed on a platform with a wide range of waveguide thicknesses with little variation in performance, which allows for the optimisation of other optical components in the photonics integrated circuit.
1041-1135
714-717
Littlejohns, Callum
0fd6585d-030d-4d8f-a411-6fc03e083efa
Hu, Youfang
38fe48b3-1609-4834-ad54-dc823e3a98b3
Gardes, Frederic Y.
7a49fc6d-dade-4099-b016-c60737cb5bb2
Thomson, David J.
17c1626c-2422-42c6-98e0-586ae220bcda
Reynolds, Scott
79120bae-f620-433a-9360-71973dbc4222
Mashanovich, Goran Z.
c806e262-af80-4836-b96f-319425060051
Reed, Graham T.
ca08dd60-c072-4d7d-b254-75714d570139
Littlejohns, Callum
0fd6585d-030d-4d8f-a411-6fc03e083efa
Hu, Youfang
38fe48b3-1609-4834-ad54-dc823e3a98b3
Gardes, Frederic Y.
7a49fc6d-dade-4099-b016-c60737cb5bb2
Thomson, David J.
17c1626c-2422-42c6-98e0-586ae220bcda
Reynolds, Scott
79120bae-f620-433a-9360-71973dbc4222
Mashanovich, Goran Z.
c806e262-af80-4836-b96f-319425060051
Reed, Graham T.
ca08dd60-c072-4d7d-b254-75714d570139

Littlejohns, Callum, Hu, Youfang, Gardes, Frederic Y., Thomson, David J., Reynolds, Scott, Mashanovich, Goran Z. and Reed, Graham T. (2014) 50 Gb/s silicon photonics receiver with low insertion loss. IEEE Photonics Technology Letters, 26 (7), 714-717. (doi:10.1109/LPT.2014.2303578).

Record type: Article

Abstract

Optical (de)multiplexers which can provide low insertion loss, low cross-talk, high thermal stability and insensitivity to fabrication tolerances are essential components for silicon photonics integration. In this paper we demonstrate the integration of an angled multimode interferometer coarse wavelength division multiplexer with germanium p-i-n photodetectors to form a 50 Gb/s receiver with a low insertion loss of < -0.5 dB and cross-talk of < -15 dB. The angled multimode interferometer has the flexibility to be designed on a platform with a wide range of waveguide thicknesses with little variation in performance, which allows for the optimisation of other optical components in the photonics integrated circuit.

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Accepted/In Press date: 27 January 2014
e-pub ahead of print date: 29 January 2014
Published date: 1 April 2014
Organisations: Optoelectronics Research Centre, Electronics & Computer Science

Identifiers

Local EPrints ID: 367863
URI: https://eprints.soton.ac.uk/id/eprint/367863
ISSN: 1041-1135
PURE UUID: 3fd48be6-81c1-4470-bdde-d03c9751d3cb

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Date deposited: 08 Aug 2014 09:22
Last modified: 02 Dec 2019 20:42

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