Integrated optical pattern generation on thin-film lithium niobate with electro-optic modulators and phase-change material cells

Author:

Bente Ivonne1ORCID,Brückerhoff-Plückelmann Frank1,Bankwitz J. Rasmus,Wendland Daniel1ORCID,Lomonte Emma1,Lenzini Francesco1,Wright C. David2ORCID,Bhaskaran Harish3ORCID,Pernice Wolfram H. P.1

Affiliation:

1. University of Münster

2. University of Exeter

3. University of Oxford

Abstract

Reconfigurable photonic integrated circuits enable high-bandwidth signal shaping with the prospect for scalability and compact footprint. Cointegration of electro-optical tunability with nonvolatile attenuation through functional materials allows for implementing photonic devices that operate on both phase and amplitude. Based on this approach, we propose an integrated photonic design for optical pattern generation deploying a continuous-wave laser and a single electrical function generator. We employ the nonvolatile and reconfigurable phase-change material Ge2Sb2Te5 (GST) as a tunable attenuator for an integrated photonic circuit on the lithium-niobate-on-insulator (LNOI) platform. The GST can be switched between its amorphous and crystalline phases, leading to an optical contrast of ≅18dB. Combining this with integrated electro-optical modulators with a 4 GHz bandwidth in LNOI enables the generation of short optical pulses, based on the principles of inverse discrete Fourier transform.

Funder

Horizon 2020 Framework Programme

Bundesministerium für Bildung und Forschung

Deutsche Forschungsgemeinschaft

Publisher

Optica Publishing Group

Subject

Atomic and Molecular Physics, and Optics,Statistical and Nonlinear Physics

Cited by 5 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Integrated photonic fractional convolution accelerator;Photonics Research;2024-08-01

2. Hybrid Integrated Photonic Arbitrary Waveform Generator for Single-Atom Control;2024 IEEE Photonics Society Summer Topicals Meeting Series (SUM);2024-07-15

3. 阵列式铌酸锂电光调制器偏置点控制技术研究(特邀);Laser & Optoelectronics Progress;2024

4. Hybrid photonic integrated circuits for neuromorphic computing [Invited];Optical Materials Express;2023-11-28

5. Integrated lithium niobate photonics: introduction;Journal of the Optical Society of America B;2023-05-01

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