Multiphoton antiresonance

TL;DR

This paper investigates the nonlinear response of a quantum oscillator, revealing antiresonant dips and resonant peaks due to multiphoton interactions, with potential observation in Josephson junctions.

Contribution

It introduces the concept of multiphoton antiresonance caused by symmetry and multiphoton mixing in quantum oscillators, linking theory to experimental possibilities.

Findings

Identification of antiresonant dips and resonant peaks in nonlinear response

Connection between antiresonance and multiphoton Rabi oscillations

Proposal for observing effects in Josephson junctions

Abstract

We show that nonlinear response of a quantum oscillator displays antiresonant dips and resonant peaks with varying frequency of the driving field. The effect is a consequence of special symmetry and is related to resonant multiphoton mixing of several pairs of oscillator states at a time. We discuss the possibility to observe the antiresonance and the associated multiphoton Rabi oscillations in Josephson junctions.