IEEE Photonics Technology Letters
IEEE Photonics Technology Letters > 2011 > 23 > 20 > 1490 - 1492
IEEE Photonics Technology Letters > 2011 > 23 > 23 > 1769 - 1771
IEEE Photonics Technology Letters > 2011 > 23 > 20 > 1490 - 1492
IEEE Photonics Technology Letters > 2011 > 23 > 23 > 1769 - 1771