Polarization squeezing in vertical-cavity surface-emitting lasers

Abstract

We further elaborate the theory of quantum fluctuations in vertical-cavity surface-emitting lasers (VCSELs), developed in Ref. \cite{Hermier02}. In particular, we introduce the quantum Stokes parameters to describe the quantum self- and cross-correlations between two polarization components of the electromagnetic field generated by this type of lasers. We calculate analytically the fluctuation spectra of these parameters and discuss experiments in which they can be measured. We demonstrate that in certain situations VCSELs can exhibit polarization squeezing over some range of spectral frequencies. This polarization squeezing has its origin in sub-Poissonian pumping statistics of the active laser medium.

26 pages, 6 figure, RevTeX4. Submitted in Phys. Rev. A

References in corpus (2)

• Polarization squeezing and continuous-variable polarization entanglement
• Polarization Squeezing of Continuous Variable Stokes Parameters

Cited by in corpus (4)

• Quantum Polarimetry
• Polarization properties in the transition from below to above lasing threshold in broad-area vertical-cavity surface-emitting lasers
• Simultaneous polarization squeezing in polarized N photon state and diminution on a squeezing operation
• Quantum correlations and non-classicality in a system of two coupled vertical external cavity surface emitting lasers