Proposal for detection of non-Markovian decay via current noise

Yueh Nan Chen, Guang Yin Chen

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


We propose to detect non-Markovian decay of an exciton qubit coupled to multimode bosonic reservoir via shot-noise measurements. Nonequilibrium current noise is calculated for a quantum dot embedded inside a p-i-n junction. An additional term from non-Markovian effect is obtained in the derivation of noise spectrum. As examples, two practical photonic reservoirs, photon vacuum with the inclusion of cut-off frequency and surface plasmons, are given to show that the noise may become super-Poissonian due to this non-Markovian effect. Utilizing the property of super-radiance is further suggested to enhance the noise value.

Original languageEnglish
Article number035312
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number3
Publication statusPublished - 2008 Jan 14

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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