Fast Optical Spectrum Estimation Using a Digital Coherent Receiver

• Published in: 39th European Conference and Exhibition on Optical Communication (ECOC 2013) pp. 1014 - 1016
• Main Authors: Hou-Man Chin, Kai Shi, Maher, R, Paskov, M, Thomsen, B, Savory, S
• Format: Conference Proceeding
• Language: English
• Published: Stevenage, UK IET 2013; The Institution of Engineering & Technology
• Subjects: Multiplexing and switching in optical communication; optical elements; fast switching DSDBR tunable laser; digital coherent receiver; Thomson multitaper method; optical switches; C-band; digital supermode distributed Bragg reflector; coherent receiver; microsecond sweeping time; complete scanned spectrum; optical receivers; fast optical spectrum estimation

We investigate the use of a fast switching DSDBR tunable laser in a coherent receiver to enable microsecond sweeping time over the C-band. Thomson's Multitaper method is used to estimate spectral slices which are then digitally stitched to form the complete scanned spectrum.