Ring-Assisted Mach-Zehnder Interferometer Silicon Modulator for Enhanced Performance

A high-speed ring-assisted Mach-Zehnder interferometer (RAMZI) silicon modulator is reported and experimentally demonstrated. The RAMZI optical structure relaxes the optimum coupling condition of the ring without degrading the modulator performance, which therefore improves the modulator robustness...

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Veröffentlicht in:	Journal of lightwave technology 2012-01, Vol.30 (1), p.9-14
Hauptverfasser:	Gutierrez, A. M., Brimont, A., Rasigade, G., Ziebell, M., Marris-Morini, D., Fedeli, J-M, Vivien, L., Marti, J., Sanchis, P.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Circuit properties Couplings Electric, optical and optoelectronic circuits Electronics Exact sciences and technology Extinction ratio Fundamental areas of phenomenology (including applications) Indexes Information, signal and communications theory Integrated optics. Optical fibers and wave guides Laser optical systems: design and operation Microring resonators Modulation, demodulation Optical and optoelectronic circuits Optical device fabrication Optical modulation Optics photonic integrated circuits Physics Resonators, cavities, amplifiers, arrays, and rings Signal and communications theory Silicon silicon photonics Systems, networks and services of telecommunications Telecommunications Telecommunications and information theory Transmission and modulation (techniques and equipments) waveguide modulators
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Beschreibung
Zusammenfassung:	A high-speed ring-assisted Mach-Zehnder interferometer (RAMZI) silicon modulator is reported and experimentally demonstrated. The RAMZI optical structure relaxes the optimum coupling condition of the ring without degrading the modulator performance, which therefore improves the modulator robustness against fabrication deviations and could eventually lead to an enhanced modulation bandwidth. Hence, our RAMZI silicon modulator, based on carrier depletion in a pipin active structure, exhibits a 3 dB electro-optical bandwidth of 19 GHz, enabling up to 20 Gbit/s data transmission over a RF/optical interaction length of only ~200 μm.
ISSN:	0733-8724 1558-2213
DOI:	10.1109/JLT.2011.2176314