IEEE Photonics Technology Letters
IEEE Photonics Technology Letters > 2007 > 19 > 7 > 495 - 497
IEEE Photonics Technology Letters > 2007 > 19 > 11 > 861 - 863
IEEE Photonics Technology Letters > 2007 > 19 > 7 > 495 - 497
IEEE Photonics Technology Letters > 2007 > 19 > 11 > 861 - 863