Reconfigurable photonics on a glass chip

Abstract

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 $4\times 4$ multiport interferometer equipped with 12 thermooptical phase shifters, making it a universal programmable linear-optical circuit. We achieve a record fast switching time for a single nested Mach-Zender interferometer of $\sim 10$ 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.

arXiv comment10 pages, 7 figures

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Cited by in corpus (16)

• Experimental quantum memristor
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• Robust architecture for programmable universal unitaries
• Low power reconfigurability and reduced crosstalk in integrated photonic circuits fabricated by femtosecond laser micromachining
• Optimal design of error-tolerant reprogrammable multiport interferometers
• Analyzing and generating multimode optical fields using self-configuring networks
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• Thermal phase shifters for femtosecond laser written photonic integrated circuits
• High-fidelity and polarization insensitive universal photonic processors fabricated by femtosecond laser writing
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