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High frequency operation of an integrated electro-absorption modulator onto a VCSEL

Abstract : We present in this paper the vertical integration of an electro-absorption modulator (EAM) onto a VCSEL. We discuss the design, fabrication, and measured characteristics of the combined VCSEL and EAM. We previously demonstrated a standalone EAM with an optical bandwidth around 30 GHz. In this paper we present for the first time an optical bandwidth of 30 GHz for an electro-absorption modulator integrated onto a VCSEL. This device exhibits single-mode operation and a very low chirp, below 0.1 nm, even with a modulation depth of 70 % which makes this device very competitive for high-speed communications in data centers.
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https://hal.laas.fr/hal-01968179
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Submitted on : Wednesday, January 2, 2019 - 11:14:03 AM
Last modification on : Thursday, June 4, 2020 - 11:46:02 AM
Long-term archiving on: : Wednesday, April 3, 2019 - 2:55:42 PM

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Ludovic Marigo-Lombart, Alexandre Rumeau, Christophe Viallon, Alexandre Arnoult, Stéphane Calvez, et al.. High frequency operation of an integrated electro-absorption modulator onto a VCSEL. Journal of Physics: Photonics, IOP Science, 2019, 1 (2), ⟨10.1088/2515-7647/aaf5af⟩. ⟨hal-01968179⟩

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