Nonvolatile polarization control of a bistable VCSEL | Zendy

M. Marconi | Zendy; Stéphane Barland | Zendy; M. Giudici | Zendy

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Nonvolatile polarization control of a bistable VCSEL

Author(s) -

M. Marconi,

Stéphane Barland,

M. Giudici

Publication year - 2012

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.20.00b299

Subject(s) - bistability , polarization (electrochemistry) , vertical cavity surface emitting laser , materials science , optics , optoelectronics , oxide , optical bistability , laser , nonlinear optics , physics , chemistry , metallurgy

We report experimental evidence of nonvolatile all-optical memory operation using the two linear polarization states emitted from a GaAs oxide-confined VCSEL. The two polarization states coexist in a large range of pumping currents and substrate temperatures, and they can be controlled all-optically by exposing the device to polarization selective feedback, to crossed polarization reinjection orby injecting external light pulses. The active polarization state is recovered after powering off and on the VCSEL, while memory is lost if the substrate temperature is varied.

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