On-chip modulation instability

Amdad Chowdury; A. Aadhi; Ju Won Choi; Benjamin J. Eggleton; Dawn T. H. Tan

doi:10.1117/12.2692074

4 October 2023 On-chip modulation instability

Amdad Chowdury, A. Aadhi, Ju Won Choi, Benjamin J. Eggleton, Dawn T. H. Tan

Proceedings Volume 12673, Optics and Photonics for Information Processing XVII; 126730N (2023) https://doi.org/10.1117/12.2692074
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States

Abstract

We, theoretically study the emergence of Akhmediev Breather (AB) that develops via modulation instability in an Ultra-Silicon-Rich Nitride (USRN) waveguide. The nonlinear parameter of the USRN waveguide is 106 times as large as that in single mode fiber with exceptionally strong dispersion induced by the stopband in a cladding modulated Bragg grating (CMBG). This significantly reduces the length scale and input power required for light-matter interaction to take place. We show that at small input powers, the waveguide can trigger strong modulation instability close to the waveguide input. This allows a fully developed AB to form within the first 1-3 mm of a 6 mm waveguide. Realizing MI and AB on an integrated chip offers the opportunity to study a variety of nonlinear phenomena such as supercontinuum generation, Fermi-Pasta-Ulam (FPU) recurrence, and optical rogue waves in highly compact, CMOS-compatible form factors.

Conference Presentation

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Amdad Chowdury, A. Aadhi, Ju Won Choi, Benjamin J. Eggleton, and Dawn T. H. Tan "On-chip modulation instability", Proc. SPIE 12673, Optics and Photonics for Information Processing XVII, 126730N (4 October 2023); https://doi.org/10.1117/12.2692074

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