Title :
Demonstration of tunable and automatic frequency/phase locking for multiple-wavelength QPSK and 16-QAM homodyne receivers using a single nonlinear element
Author :
Ziyadi, M. ; Mohajerin-Ariaei, A. ; Chitgarha, M.R. ; Cao, Y. ; Almaiman, A. ; Akasaka, Y. ; Yang, J.-Y. ; Xie, G. ; Liao, P. ; Sekiya, M. ; Touch, J. ; Tur, M. ; Langrock, C. ; Fejer, M.M. ; Willner, A.E.
Author_Institution :
Ming Hsieh Dept. of Electr. Eng., Univ. of Southern California, Los Angeles, CA, USA
Abstract :
We experimentally demonstrate a tunable homodyne receiver on multiple-wavelength QPSK and 16-QAM channels at 20/30 Gbaud. A single PPLN waveguide is used to frequency/phase lock the signals with their tones. Open eye diagrams with BER measurements are shown.
Keywords :
error statistics; lithium compounds; nonlinear optics; optical modulation; optical receivers; optical tuning; optical waveguides; quadrature amplitude modulation; quadrature phase shift keying; 16-QAM channels; 16-QAM homodyne receivers; BER measurements; LiNbO3; PPLN waveguide; automatic frequency-phase locking; multiple-wavelength QPSK; single nonlinear element; tunable frequency-phase locking; tunable homodyne receiver; Band-pass filters; Bit error rate; Optical filters; Optical transmitters; Phase shift keying; Receivers; Wavelength division multiplexing;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
