An Energy-Saving Optical Comb Generator by Deeply Driven MZM and Multi-Stage Phase Modulators

Tatsuki Ishijima; Shun Harada; Takahide Sakamoto

European Conference on Optical Communication (ECOC) 2022
Technical Digest Series (Optica Publishing Group, 2022),
paper We2E.1

An Energy-Saving Optical Comb Generator by Deeply Driven MZM and Multi-Stage Phase Modulators

Tatsuki Ishijima, Shun Harada, and Takahide Sakamoto

European Conference and Exhibition on Optical Communication 2022

Basel Switzerland
18–22 September 2022
ISBN: 978-1-957171-15-9

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Programmable Photonics and Comb Lasers (We2E)

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T. Ishijima, S. Harada, and T. Sakamoto, "An Energy-Saving Optical Comb Generator by Deeply Driven MZM and Multi-Stage Phase Modulators," in European Conference on Optical Communication (ECOC) 2022, J. Leuthold, C. Harder, B. Offrein, and H. Limberger, eds., Technical Digest Series (Optica Publishing Group, 2022), paper We2E.1.

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Abstract

We demonstrate a flat comb generator cascading multi-stage phase modulator to an MZM and reusing driving signals. It efficiently broadens bandwidth reducing energy consumptions because the MZM for spectral flattening also enhances the bandwidth and driving signals are reused. 37×25-GHz ultra-wideband combs are experimentally generated.

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