Title :
Low-complexity DSP using undersampling for heterodyne receivers in coherent passive optical access networks
Author :
Dris, Stefanos ; Bakopoulos, Paraskevas ; Lazarou, I. ; Schrenk, Bernhard ; Avramopoulos, H.
Author_Institution :
Sch. of Electr. & Comput. Eng., Nat. Tech. Univ. of Athens, Zografou, Greece
Abstract :
The first application of bandpass sampling in a heterodyne coherent optical communication system is presented. An undersampling receiver achieving a 50% reduction in ADC rate is developed in DSP and its penalty-free operation verified in a 76km coherent UDWDM-PON scenario.
Keywords :
analogue-digital conversion; optical information processing; optical receivers; passive optical networks; signal sampling; wavelength division multiplexing; ADC rate; UDWDM-PON; bandpass sampling; coherent passive optical access networks; distance 76 km; heterodyne coherent optical communication system; heterodyne undersampling receiver; low-complexity DSP; penalty-free operation; Baseband; Digital signal processing; Optical mixing; Optical network units; Optical receivers; Passive optical networks;
Conference_Titel :
Optical Communications (ECOC), 2012 38th European Conference and Exhibition on
Conference_Location :
Amsterdam
