IEEE Photonics Technology Letters
IEEE Photonics Technology Letters > 2011 > 23 > 13 > 896 - 898
IEEE Photonics Technology Letters > 2011 > 23 > 16 > 1166 - 1168
IEEE Photonics Technology Letters > 2017 > 29 > 8 > 667 - 670
IEEE Photonics Technology Letters > 2017 > 29 > 9 > 715 - 718