Abstract
A novel adaptive optical splitter structure employing an Opto-VLSI processor and
4-f imaging system is proposed and experimentally demonstrated. By driving the Opto-VLSI
processor with computer generated multicasting phase holograms, an input optical signal
launched into an input optical fiber port can be split and coupled into many output
optical fiber ports with arbitrary splitting ratios. A proof-of-principle 1$\,\times\,$2
adaptive optical splitter structure driven by optimized multicasting phase holograms
uploaded onto the Opto-VLSI processor is developed, demonstrating an arbitrary splitting
ratio over a wavelength range exceeding 50 nm.
© 2010 IEEE
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