IEEE Photonics Technology Letters
IEEE Photonics Technology Letters > 2015 > 27 > 6 > 577 - 580
IEEE Photonics Technology Letters > 2015 > 27 > 13 > 1445 - 1448
IEEE Photonics Technology Letters > 2015 > 27 > 19 > 2067 - 2070
IEEE Photonics Technology Letters > 2015 > 27 > 19 > 2051 - 2054