Mingdong Fan1, Xi Gao2, David Ariando2, Shinya Handa3, Labros Petropoulos3, Xiaoyu Yang3, Hiroyuki Fujita3, Michael Martens1, Robert Brown1, and Soumyajit Mandal2
1Physics, Case Western Reserve University, Cleveland, OH, United States, 2EECS, Case Western Reserve University, Cleveland, OH, United States, 3Quality Electrodynamics (QED), Mayfield Village, OH, United States
1Physics, Case Western Reserve University, Cleveland, OH, United States, 2EECS, Case Western Reserve University, Cleveland, OH, United States, 3Quality Electrodynamics (QED), Mayfield Village, OH, United States
We propose a digital optical transmission system based on delta-sigma modulation (DSM) that aims to provide high dynamic range for MRI signals. Proof-of-concept tests show 50 dBm dynamic range for OSR = 50 and over 64 dbm dynamic range for OSR = 100.
Figure 1: Block diagram of the optical transmission system using delta-sigma modulation.
Figure 4: The linear region of the optical transmission system for the 200 kHz signal and 100 kHz signal.