67 research outputs found

    Forward stimulated Brillouin scattering

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    Collapsing the labels ‘victim’ and ‘offender’ in the Victims’ Directive and the paradox of restorative justice

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    Laws do not exist in a vacuum. They are born and contextualised within the given society that they are meant to regulate. In November 2015, the Victims’ Directive came into force to strengthen the position of the victim in criminal proceedings. Within this regional law, restorative justice is regulated so that it is provided safely, consistently and according to standards. Here, the author identifies a paradox. One of the key reasons that restorative justice resurfaced was to empower all those involved in harm to face what happened and collectively find a way forward. Restorative practices have so far been dominated by Christie's understanding of the ‘ideal victim’ versus the big bad offender. This paper attempts to challenge this approach by arguing that as equal parties in conflict and harm, the labels of ‘victim’ and ‘offender’ must be reconsidered if the benefits of restorative justice are to be fully enjoyed. Abolitionism, however, is not the way forward. As the restorative justice movement leaves the era of innovation and enters the new reality of integration, the author proposes a new restorative justice paradigm of co-existence with existing criminal justice priorities

    Synchronization of coupled semiconductor lasers

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    info:eu-repo/semantics/publishe

    Polarization square-wave switching in orthogonally delay-coupled semiconductor lasers

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    National audienceIn this contribution we study numerically the nonlinear dynamics of two edge-emitting semiconductor lasers be- ing mutually coupled through their normally non-lasing polarizations. Our main goal is to characterize square- wave polarization switching dynamics, similar to those recently reported experimentally

    Semiconductor laser bifurcations

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    Semiconductor lasers (SL) have a wide range of applications, but a weak optical feedback destabilizes its normal output. The instabilities generate higher intensity or frequency noise which are undesirable for certain applications. Fourier spectra measurements with numerical studies of rate equations show that these instabilities result from successive bifurcations. In this respect, the bifurcations are analyzed using modern asymptotic techniques, taking advantage of the natural parameters of laser equations. The laser subject to injection and the laser subject to an optical feedback are studied using the rate equations for the complex electrical field E and the carrier number N.SCOPUS: cp.pinfo:eu-repo/semantics/publishe
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