Ultracompact low-pass modal filters based on shortcuts to adiabaticity

Giuseppe Della Valle
Phys. Rev. A 98, 053861 – Published 30 November 2018

Abstract

A versatile approach to the design of photonic ultracompact low-pass modal filters is proposed. The idea stems from the shortcut to adiabaticity protocol, originally developed for quantum-mechanical systems and recently introduced in full-wave optics. This method allows one to achieve efficient rejection of higher order modes in a broad wavelength range for any two-dimensional multimode optical waveguide in an ultracompact configuration of the filter. A study case, corroborated by finite-element method numerical simulations, is reported for slab waveguides.

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  • Received 30 August 2018

DOI:https://doi.org/10.1103/PhysRevA.98.053861

©2018 American Physical Society

Physics Subject Headings (PhySH)

  1. Research Areas
  1. Physical Systems
Atomic, Molecular & Optical

Authors & Affiliations

Giuseppe Della Valle

  • Dipartimento di Fisica, Politecnico di Milano and Istituto di Fotonica e Nanotecnologie del Consiglio Nazionale delle Ricerche, Piazza L. da Vinci 32, I-20133 Milano, Italy

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Issue

Vol. 98, Iss. 5 — November 2018

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