IEEE Photonics Technology Letters
IEEE Photonics Technology Letters > 2008 > 20 > 15 > 1332 - 1334
IEEE Photonics Technology Letters > 2010 > 22 > 24 > 1811 - 1813
IEEE Photonics Technology Letters > 2008 > 20 > 15 > 1332 - 1334
IEEE Photonics Technology Letters > 2010 > 22 > 24 > 1811 - 1813