Optical and Quantum Electronics

, Volume 42, Issue 11–13, pp 785–791

Modified rate equation model including the photon–photon resonance

Article

Abstract

We show that, when the longitudinal confinement factor in an edge-emitting laser is treated as a dynamic variable, the modulation transfer function has an extra term. This term produces a supplementary photon–photon resonance peak in the modulation response at a frequency corresponding to the frequency separation between longitudinal modes, when these modes are phase-locked long enough (quasi-phase-locked). The photon–photon resonance peak is strongest when two consecutive quasi-phase-locked dominant longitudinal modes have similar longitudinal envelopes and share equally the photon population.

Keywords

Longitudinal modes Modulation response Modulation transfer function Photon–photon resonance Rate equations 

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Copyright information

© Springer Science+Business Media, LLC. 2011

Authors and Affiliations

  1. 1.Optoelectronics Research CentreTampere University of TechnologyTampereFinland

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