On-chip multi-stage optical delay based on cascaded Brillouin light storage

Abstract

Storing and delaying optical signals plays a crucial role in data centers, phased array antennas, communication and future computing architectures. Here, we show a delay scheme based on cascaded Brillouin light storage, that achieves multi-stage delay at arbitrary positions within a photonic integrated circuit. Importantly these multiple resonant transfers between the optical and acoustic domain are controlled solely via external optical control pulses, allowing cascading of the delay without the need of aligning multiple structural resonances along the optical circuit.

arXiv comment5 pages, 5 figures, Birgit Stiller and Moritz Merklein contributed equally to this work

References in corpus (5)

• Stimulated Brillouin Scattering in integrated photonic waveguides: forces, scattering mechanisms and coupled mode analysis
• A chip-integrated coherent photonic-phononic memory
• Optomechanical light storage in a silica microresonator
• Ultrafast tuneable optical delay line based on indirect photonic transitions
• A New Approach to Cascaded Stimulated Brillouin Scattering

Cited by in corpus (5)

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• Brillouin-based storage of QPSK signals with fully tunable phase retrieval