University of Surrey

Test tubes in the lab Research in the ATI Dance Research

40 Gb/s silicon photonics modulator for TE and TM polarisations

Gardes, FY, Thomson, DJ, Emerson, NG and Reed, GT (2011) 40 Gb/s silicon photonics modulator for TE and TM polarisations Optics Express, 19 (12). pp. 11804-11814.

Available under License : See the attached licence file.

Download (1MB)
[img] Text (licence)

Download (1kB)


A key device in future high speed short reach interconnect technology will be the optical modulator. These devices, in silicon, have experienced dramatic improvements over the last 6 years and the modulation bandwidth has increased from a few tens of MHz to over 30 GHz. However, the demands of optical interconnects are significant. Here we describe an approach based on a self-aligned wrap around p-n junction structure embedded in a silicon waveguide that can produce high-speed optical phase modulation, whilst at the same time, capable of a high extinction ratio. An all-silicon optical modulator using a CMOS compatible fabrication process with a data rate of 40 Gb/s and extinction ratio up to approximately 6.5 dB for TE and TM polarisations is demonstrated. This technology is not only compatible with conventional complementary MOS (CMOS) processing, but is also intended to simplify and improve the reliability of, the fabrication process.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering > Advanced Technology Institute > Photonics
Authors :
Gardes, FY
Thomson, DJ
Emerson, NG
Reed, GT
Date : 2011
DOI : 10.1364/OE.19.011804
Additional Information : This paper was published in Journal of the Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: <a href=</a>. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
Depositing User : Symplectic Elements
Date Deposited : 02 Feb 2012 10:43
Last Modified : 31 Oct 2017 14:14

Actions (login required)

View Item View Item


Downloads per month over past year

Information about this web site

© The University of Surrey, Guildford, Surrey, GU2 7XH, United Kingdom.
+44 (0)1483 300800