IEEE Photonics Technology Letters
IEEE Photonics Technology Letters > 2009 > 21 > 9 > 581 - 583
IEEE Photonics Technology Letters > 2009 > 21 > 18 > 1320 - 1322
IEEE Photonics Technology Letters > 2009 > 21 > 9 > 581 - 583
IEEE Photonics Technology Letters > 2009 > 21 > 18 > 1320 - 1322