laravel image upload - ajax do not post my image file

I'm trying to upload an image from an ajax call to my server (on laravel).

This is my server code:

if (Input::hasFile('flyer')){
    Log::info('WORK!');
    $file = Input::file('flyer');
    $file->move('uploads', $file->getClientOriginalName());
}

As you can see, I've set a log istruction to understand if my file was uploaded or not...but my log file say it's not...

My form code:

{{ Form::open(array('url' => 'new_event', 'id' => 'newEvent', 'files' => true)) }}
    //some fields...
    {{ Form::file('flyer', array('class' => 'form-control', 'id'=>'inputImage')) }}
    // some other fields
{{ Form::close() }}

and here is my ajax call:

$('#newEvent').submit(function() {
    $.ajax({
        data: $(this).serialize(),
        type: $(this).attr('method'),
        url: $(this).attr('action'),
        success: function(response) {
            $('#content').html(response);
        }
    });
    return false;
});

Finally here my post-data (from google dev console) when i post my form:

_token:bqyiuQwtYEEs0tvhBcndi4ylsVPPi2FpYhGPLxKQ
title:sdfgsdf
description:sdfgsdf
activated_at:23/04/2015
expire_on:24/04/2015
contact:a name
phone:+387646
email:some@one.com
push:1

As you can see there is no trace of my image file (flyer)...why?