Coherent control theory and experiment of optical phonons in diamond

TL;DR

This paper presents a theoretical model and experimental validation for the coherent control of optical phonons in diamond using a double-pump-probe technique, highlighting quantum interference effects.

Contribution

It introduces a new theoretical framework for generating and detecting optical phonons and experimentally confirms it in diamond, advancing understanding of phonon control.

Findings

Successful experimental demonstration in diamond

Validation of the theoretical model

Observation of quantum interference effects

Abstract

The coherent control of optical phonons has been experimentally demonstrated in various physical systems. While the transient dynamics for optical phonons can be explained by phenomenological models, the coherent control experiment cannot be explained due to the quantum interference. Here, we theoretically propose the generation and detection processes of the optical phonons and experimentally confirm our theoretical model using the diamond optical phonon by the double-pump-probe type experiment.