Time-reversed optical parametric oscillation
Stefano Longhi
TL;DR
This paper explores the time-reversal of optical parametric oscillation in nonlinear media, demonstrating its potential to act as a coherent perfect absorber for specific light fields, extending concepts of time-reversed laser phenomena.
Contribution
It introduces the concept of time-reversed optical parametric oscillation and analyzes its feasibility as a coherent perfect absorber in nonlinear ?(2) media.
Findings
Time-reversal of optical parametric oscillation can realize a coherent perfect absorber.
The analysis covers the full nonlinear regime of mirrorless optical parametric oscillation.
The study extends the concept of time-reversed laser oscillation to nonlinear optical processes.
Abstract
In recent works, the idea of time-reversed laser oscillation has been proposed and demonstrated to realize a two-channel coherent perfect absorber [Y.D. Chong et al., Phys. Rev. Lett. 105, 053901 (2010); W.Wan et al., Science 331, 889 (2011)]. Here the time reversal of optical parametric oscillation in a nonlinear ?(2) medium is considered and shown to realize a coherent perfect absorber for colored incident signal and idler fields. A detailed analysis is presented for the time-reversed process of mirrorless optical parametric oscillation in the full nonlinear regime
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