Control of coherent information via on-chip photonic-phononic emitter-receivers

Nature Communications
Heedeuk ShinPeter T Rakich

Abstract

Rapid progress in integrated photonics has fostered numerous chip-scale sensing, computing and signal processing technologies. However, many crucial filtering and signal delay operations are difficult to perform with all-optical devices. Unlike photons propagating at luminal speeds, GHz-acoustic phonons moving at slower velocities allow information to be stored, filtered and delayed over comparatively smaller length-scales with remarkable fidelity. Hence, controllable and efficient coupling between coherent photons and phonons enables new signal processing technologies that greatly enhance the performance and potential impact of integrated photonics. Here we demonstrate a mechanism for coherent information processing based on travelling-wave photon-phonon transduction, which achieves a phonon emit-and-receive process between distinct nanophotonic waveguides. Using this device, physics--which supports GHz frequencies--we create wavelength-insensitive radiofrequency photonic filters with frequency selectivity, narrow-linewidth and high power-handling in silicon. More generally, this emit-receive concept is the impetus for enabling new signal processing schemes.

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Citations

Dec 13, 2016·Nature Materials·R O BehuninP T Rakich
Jul 8, 2017·Nature Communications·Eric A KittlausPeter T Rakich
Dec 14, 2017·Scientific Reports·Nathan DostartMiloš A Popović
Jan 11, 2017·Scientific Reports·Zhi-Han ZhuWei Gao
Sep 19, 2019·Nature Communications·Dvir MunkAvi Zadok
May 14, 2020·Proceedings. Mathematical, Physical, and Engineering Sciences·Gaurav Maurya, Basant Lal Sharma
Oct 21, 2017·Physical Review Letters·Myoung-Gyun SuhKerry J Vahala
Aug 31, 2017·Structural Dynamics·Giovanni M VanacoreAhmed H Zewail
Mar 18, 2021·Optics Express·Roberto O ZuritaThiago P Mayer Alegre
Apr 8, 2021·Nature Photonics·Fan YangLuc Thévenaz
Jun 16, 2021·Optics Letters·Johannes PiotrowskiMichael J Steel
Aug 20, 2021·Nano Letters·Hyeongpin Kim, Heedeuk Shin

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Methods Mentioned

BETA
scanning electron microscopy

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