Silicon photonics plasma-modulators with advanced transmission line design | Zendy

Florian Merget | Zendy; Saeed Sharif Azadeh | Zendy; J. Mueller | Zendy; Bin Shen | Zendy; M. Nezhad | Zendy; Johannes Hauck | Zendy; Jeremy Witzens | Zendy

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Silicon photonics plasma-modulators with advanced transmission line design

Author(s) -

Florian Merget,

Saeed Sharif Azadeh,

J. Mueller,

Bin Shen,

M. Nezhad,

Johannes Hauck,

Jeremy Witzens

Publication year - 2013

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.21.019593

Subject(s) - bandwidth (computing) , photonics , optics , electric power transmission , transmission line , interferometry , silicon photonics , mach–zehnder interferometer , physics , materials science , optoelectronics , computer science , telecommunications , electrical engineering , engineering

We have investigated two novel concepts for the design of transmission lines in travelling wave Mach-Zehnder interferometer based Silicon Photonics depletion modulators overcoming the analog bandwidth limitations arising from cross-talk between signal lines in push-pull modulators and reducing the linear losses of the transmission lines. We experimentally validate the concepts and demonstrate an E/O -3 dBe bandwidth of 16 GHz with a 4V drive voltage (in dual drive configuration) and 8.8 dB on-chip insertion losses. Significant bandwidth improvements result from suppression of cross-talk. An additional bandwidth enhancement of ~11% results from a reduction of resistive transmission line losses. Frequency dependent loss models for loaded transmission lines and E/O bandwidth modeling are fully verified.

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