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Opt Express. 2015 May 04;23(9):10905-13. doi: 10.1364/OE.23.010905.

10 Gb/s InP-based Mach-Zehnder modulator for operation at 2 μm wavelengths.

Optics express

M U Sadiq, M R Gleeson, N Ye, J O'Callaghan, P Morrissey, H Y Zhang, K Thomas, A Gocalinska, E Pelucchi, F C G Gunning, B Roycroft, F H Peters, B Corbett

PMID: 25969186 DOI: 10.1364/OE.23.010905

Abstract

We report on the first InP-based Mach-Zehnder modulator (MZM) employing quantum-confined Stark effect (QCSE) for operation around 2000 nm. The polarization sensitive device is based on 15 compressively strained quantum wells and achieves an electro-optic (EO) bandwidth of at least 9 GHz, with a DC extinction ratio of ~9 dB, and a V(π)L ~9.6 V.mm. We demonstrate back-to-back communication with a 10 Gb/s pseudo-random bit sequence (PRBS) of length 2(7)-1 at a wavelength around 2000 nm.

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