Ho, Keang-PoKeang-PoHo2009-05-132018-07-052009-05-132018-07-052004http://ntur.lib.ntu.edu.tw//handle/246246/155829application/pdf109469 bytesapplication/pdfen-USThe Effect of Interferometer Phase Error on Direct-Detection DPSK and DQPSK Signalsjournal articlehttp://ntur.lib.ntu.edu.tw/bitstream/246246/155829/1/14.pdf