IEEE Photonics Technology Letters
IEEE Photonics Technology Letters > 2008 > 20 > 15 > 1332 - 1334
IEEE Photonics Technology Letters > 2010 > 22 > 15 > 1141 - 1143
IEEE Photonics Technology Letters > 2008 > 20 > 15 > 1332 - 1334
IEEE Photonics Technology Letters > 2010 > 22 > 15 > 1141 - 1143