Reconfigurable Photonics on a Glass Chip

I. V. Dyakonov, I. A. Pogorelov, I. B. Bobrov, A. A. Kalinkin, S. S. Straupe, S. P. Kulik, P. V. Dyakonov, S. A. Evlashin

    Research output: Contribution to journalArticlepeer-review

    28 Citations (Scopus)

    Abstract

    The reconfigurability of integrated photonic chips plays a key role in current experiments in the area of linear-optical quantum computing. We demonstrate a reconfigurable multiport interferometer implemented as a femtosecond-laser-written integrated photonic device. The device includes a femtosecond-laser-written 4×4 multiport interferometer equipped with 12 thermo-optical phase shifters, making it a universal programmable linear-optical circuit. We achieve a fast switching time for a single nested Mach-Zender interferometer of ∼10 ms and quantitatively analyse the reconfigurability of the optical circuit. We believe that our results will improve the current state of quantum-optical experiments utilizing femtosecond-laser-written photonic circuits.

    Original languageEnglish
    Article number044048
    JournalPhysical Review Applied
    Volume10
    Issue number4
    DOIs
    Publication statusPublished - 19 Oct 2018

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