Dynamics and polarization properties of a self-modulated laser with an intracavity quarter-wave plate

The dynamics and polarization properties of self-modulated lasers with a quarter-wave plate were numerically studied using vectorial equations. At a certain pump rate, a stable laser can operate in a self-modulation state since the insertion of a quarter-wave plate in the cavity produces a quadratur...

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Bibliographic Details
Published in:Optics communications 1999-08, Vol.167 (1), p.141-148, Article 141
Main Authors: Yang, Qian-Suo, Zhu, Nai-Yi
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
General laser theory
Laser amplitude stability
Lasers
Numerical analysis
Optical modulation
Optical pulse generation
Optics
Phase shift keying
Physics
Polarization
Self-pulsing lasers
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Summary:The dynamics and polarization properties of self-modulated lasers with a quarter-wave plate were numerically studied using vectorial equations. At a certain pump rate, a stable laser can operate in a self-modulation state since the insertion of a quarter-wave plate in the cavity produces a quadrature between both of the electric field components. The oscillation period is twice the cavity round-trip time and the laser field is in a swaying linear polarization state. The polarization direction rotates by 90° after one cavity round-trip and, along both directions at 45° and 135° to the fast axis of the quarter-wave plate, an antiphase behavior is clearly demonstrated.
ISSN:0030-4018
1873-0310
DOI:10.1016/S0030-4018(99)00285-0