System.config({
    paths: {
      // paths serve as alias
      'npm:': 'node_modules/'
    },
    map: {
         //add line
         'ng2-youtube-player-mini': 'npm:ng2-youtube-player-mini'
      },
      // packages tells the System loader how to load when no filename and/or no extension
      packages: {
         //add line
         'ng2-youtube-player-mini': { defaultExtension: 'js' },

import { YoutubePlayerMiniModule }  from 'ng2-youtube-player-mini'
...
imports:[YoutubePlayerMiniModule]

import {Component} from '@angular/core';

@Component({
  template: `
    <youtube-player [playerId]='"player"' [width]="640" [height]="480" [videoId]='"vntAEVjPBzQ"'> </youtube-player>
  `,
})

class App {

}

<youtube-player [playerId]='"player"' [width]="640" [height]="480" [videoId]='' [playlistId]='"PLy_wKxVmWb4ZrduWMNXPWmBBImCAMqHV4"' > </youtube-player>