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We present the design and characterization of tapped delay line filters fabricated in two-level photonic integrated circuits. Phase error correction techniques are evaluated to enable spectrum analysis of a 4GHz band with 300MHz resolution.
We propose a new scheme for tunable narrowband filters using a silicon nitride on silicon-on-insulator platform, which enables reconfigurability, low propagation loss, and high power handling capability. Preliminary results are provided.
A mid-infrared guided-mode resonance based reflector was designed, fabricated and tested for applications at 2.94µm. The proposed polarization insensitive devices were fabricated using a quartz/hafnium dioxide system.
We have successfully demonstrated 160 Gbit/s all-optical packet switching based on cross-phase modulation using a silicon chip. Error free performance is achieved for the 4-to-1 switched 160 Gbit/s packet.
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