Title :
Sub-rate sampling in 100 Gb/s coherent optical receivers
Author :
Malouin, Christian ; Zhang, Bo ; Wagner, Andy ; Khatana, Sunil ; Ibragimov, Edem ; Jiang, Hong ; Schmidt, Ted
Author_Institution :
Opnext Subsystems, Opnext Inc., Los Gatos, CA, USA
Abstract :
We investigate the feasibility of ADC sampling rate below 2x versus optical/electrical bandwidths in 100 G-PM-QPSK coherent receivers. We find <0.5 dB penalty for rates down to 5/4x even for dispersion as high as 24,000 ps/nm.
Keywords :
optical modulation; optical receivers; quadrature phase shift keying; ADC sampling rate; G-PM-QPSK coherent receivers; bit rate 100 Gbit/s; coherent optical receivers; Bandwidth; Digital filters; Equalizers; High speed optical techniques; Low pass filters; Optical receivers; Optical sensors; Optical signal processing; Quadrature phase shift keying; Sampling methods;
Conference_Titel :
Optical Fiber Communication (OFC), collocated National Fiber Optic Engineers Conference, 2010 Conference on (OFC/NFOEC)
Conference_Location :
San Diego, CA
Electronic_ISBN :
978-1-55752-884-1
