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High performance silicon optical modulators

Reed, GT, Thomson, DJ, Gardes, FY, Hu, Y, Owens, N, Yang, X, Petropoulos, P, Debnath, K, O'Faolain, L, Krauss, TF, Lever, L, Ikonic, Z, Kelsall, RW, Myronov, M, Leadley, DR, Marko, IP, Sweeney, SJ, Cox, DC, Brimont, A, Sanchis, P, Duan, G-H, Le Liepvre, A, Jany, C, Lamponi, M, Make, D, Lelarge, F, Fedeli, JM, Messaoudene, S, Keyvaninia, S, Roelkens, G, Van Thourhout, D and Liu, S (2012) High performance silicon optical modulators Proceedings of SPIE - The International Society for Optical Engineering, 8564.

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Abstract

In this work we present results from high performance silicon optical modulators produced within the two largest silicon photonics projects in Europe; UK Silicon Photonics (UKSP) and HELIOS. Two conventional MZI based optical modulators featuring novel self-aligned fabrication processes are presented. The first is based in 400nm overlayer SOI and demonstrates 40Gbit/s modulation with the same extinction ratio for both TE and TM polarisations, which relaxes coupling requirements to the device. The second design is based in 220nm SOI and demonstrates 40Gbits/s modulation with a 10dB extinction ratio as well modulation at 50Gbit/s for the first time. A ring resonator based optical modulator, featuring FIB error correction is presented. 40Gbit/s, 32fJ/bit operation is also shown from this device which has a 6um radius. Further to this slow light enhancement of the modulation effect is demonstrated through the use of both convention photonic crystal structures and corrugated waveguides. Fabricated conventional photonic crystal modulators have shown an enhancement factor of 8 over the fast light case. The corrugated waveguide device shows modulation efficiency down to 0.45V.cm compared to 2.2V.cm in the fast light case. 40Gbit/s modulation is demonstrated with a 3dB modulation depth from this device. Novel photonic crystal based cavity modulators are also demonstrated which offer the potential for low fibre to fibre loss. In this case preliminary modulation results at 1Gbit/s are demonstrated. Ge/SiGe Stark effect devices operating at 1300nm are presented. Finally an integrated transmitter featuring a III-V source and MZI modulator operating at 10Gbit/s is presented. © 2012 SPIE.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Physics
Authors :
AuthorsEmailORCID
Reed, GTUNSPECIFIEDUNSPECIFIED
Thomson, DJUNSPECIFIEDUNSPECIFIED
Gardes, FYUNSPECIFIEDUNSPECIFIED
Hu, YUNSPECIFIEDUNSPECIFIED
Owens, NUNSPECIFIEDUNSPECIFIED
Yang, XUNSPECIFIEDUNSPECIFIED
Petropoulos, PUNSPECIFIEDUNSPECIFIED
Debnath, KUNSPECIFIEDUNSPECIFIED
O'Faolain, LUNSPECIFIEDUNSPECIFIED
Krauss, TFUNSPECIFIEDUNSPECIFIED
Lever, LUNSPECIFIEDUNSPECIFIED
Ikonic, ZUNSPECIFIEDUNSPECIFIED
Kelsall, RWUNSPECIFIEDUNSPECIFIED
Myronov, MUNSPECIFIEDUNSPECIFIED
Leadley, DRUNSPECIFIEDUNSPECIFIED
Marko, IPUNSPECIFIEDUNSPECIFIED
Sweeney, SJUNSPECIFIEDUNSPECIFIED
Cox, DCUNSPECIFIEDUNSPECIFIED
Brimont, AUNSPECIFIEDUNSPECIFIED
Sanchis, PUNSPECIFIEDUNSPECIFIED
Duan, G-HUNSPECIFIEDUNSPECIFIED
Le Liepvre, AUNSPECIFIEDUNSPECIFIED
Jany, CUNSPECIFIEDUNSPECIFIED
Lamponi, MUNSPECIFIEDUNSPECIFIED
Make, DUNSPECIFIEDUNSPECIFIED
Lelarge, FUNSPECIFIEDUNSPECIFIED
Fedeli, JMUNSPECIFIEDUNSPECIFIED
Messaoudene, SUNSPECIFIEDUNSPECIFIED
Keyvaninia, SUNSPECIFIEDUNSPECIFIED
Roelkens, GUNSPECIFIEDUNSPECIFIED
Van Thourhout, DUNSPECIFIEDUNSPECIFIED
Liu, SUNSPECIFIEDUNSPECIFIED
Date : 2012
Identification Number : 10.1117/12.2001296
Additional Information : Copyright 2012 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited. © G.T. Reed ; D.J. Thomson ; F.Y. Gardes ; Y. Hu ; N. Owens ; K. Debnath ; L. O’Faolain ; T.F. Krauss ; L. Lever ; Z. Ikonic ; R.W. Kelsall ; M. Myronov ; D.R. Leadley ; I.P. Marko ; S.J. Sweeney ; D.C. Cox ; A. Brimont ; P. Sanchis ; G.-H. Duan ; A. Le Liepvre ; C. Jany ; M. Lamponi ; D. Make ; F. Lelarge ; J.M. Fedeli ; S. Messaoudene ; S. Keyvaninia ; G. Roelkens ; D. Van Thourhout ; S. Liu ; X. Yang ; P. Petropoulos, "High performance silicon optical modulators", Proc. SPIE 8564, 85640H (2012); doi:10.1117/12.2001296
Depositing User : Symplectic Elements
Date Deposited : 23 Oct 2013 13:54
Last Modified : 09 Jun 2014 13:38
URI: http://epubs.surrey.ac.uk/id/eprint/801314

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