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Silicon photonic microresonator-based high-resolution line-by-line pulse shaping

Author

Listed:
  • Lucas M. Cohen

    (Purdue University)

  • Kaiyi Wu

    (Purdue University)

  • Karthik V. Myilswamy

    (Purdue University)

  • Saleha Fatema

    (Purdue University)

  • Navin B. Lingaraju

    (The Johns Hopkins University Applied Physics Laboratory)

  • Andrew M. Weiner

    (Purdue University)

Abstract

Optical pulse shaping stands as a formidable technique in ultrafast optics, radio-frequency photonics, and quantum communications. While existing systems rely on bulk optics or integrated platforms with planar waveguide sections for spatial dispersion, they face limitations in achieving finer (few- or sub-GHz) spectrum control. These methods either demand considerable space or suffer from pronounced phase errors and optical losses when assembled to achieve fine resolution. Addressing these challenges, we present a foundry-fabricated six-channel silicon photonic shaper using microresonator filter banks with inline phase control and high spectral resolution. Leveraging existing comb-based spectroscopic techniques, we devise a system to mitigate thermal crosstalk and enable the versatile use of our on-chip shaper. Our results demonstrate the shaper’s ability to phase-compensate six comb lines at tunable channel spacings of 3, 4, and 5 GHz. Specifically, at a 3 GHz channel spacing, we showcase the generation of arbitrary waveforms in the time domain. This scalable design and control scheme holds promise in meeting future demands for high-precision spectral shaping capabilities.

Suggested Citation

  • Lucas M. Cohen & Kaiyi Wu & Karthik V. Myilswamy & Saleha Fatema & Navin B. Lingaraju & Andrew M. Weiner, 2024. "Silicon photonic microresonator-based high-resolution line-by-line pulse shaping," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
  • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-52051-9
    DOI: 10.1038/s41467-024-52051-9
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    References listed on IDEAS

    as
    1. Hugues Guillet de Chatellus & Luis Romero Cortés & Côme Schnébelin & Maurizio Burla & José Azaña, 2018. "Reconfigurable photonic generation of broadband chirped waveforms using a single CW laser and low-frequency electronics," Nature Communications, Nature, vol. 9(1), pages 1-12, December.
    2. Amir H. Atabaki & Sajjad Moazeni & Fabio Pavanello & Hayk Gevorgyan & Jelena Notaros & Luca Alloatti & Mark T. Wade & Chen Sun & Seth A. Kruger & Huaiyu Meng & Kenaish Al Qubaisi & Imbert Wang & Bohan, 2018. "Publisher Correction: Integrating photonics with silicon nanoelectronics for the next generation of systems on a chip," Nature, Nature, vol. 560(7716), pages 4-4, August.
    3. Amir H. Atabaki & Sajjad Moazeni & Fabio Pavanello & Hayk Gevorgyan & Jelena Notaros & Luca Alloatti & Mark T. Wade & Chen Sun & Seth A. Kruger & Huaiyu Meng & Kenaish Al Qubaisi & Imbert Wang & Bohan, 2018. "Integrating photonics with silicon nanoelectronics for the next generation of systems on a chip," Nature, Nature, vol. 556(7701), pages 349-354, April.
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