IEEE Photonics Technology Letters
IEEE Photonics Technology Letters > 2009 > 21 > 24 > 1837 - 1839
IEEE Photonics Technology Letters > 2009 > 21 > 24 > 1807 - 1809
IEEE Photonics Technology Letters > 2009 > 21 > 24 > 1837 - 1839
IEEE Photonics Technology Letters > 2009 > 21 > 24 > 1807 - 1809