P05 – Tunable and Compact SiP Quasi-Dichroic Filter with ≥10 dB/nm Roll-Off Across C- & L-bands
We report simulated performance for an integrated and compact silicon photonic quasi-dichroic filter with ≥10 dB/nm roll-off and ≥20 dB extinction ratio between pass and stop bands. Additionally, the cutoff wavelength and compensation for fabrication error are each thermally tunable. The functional dichroic bandwidth is ≈80 nm, which spans most practical use cases.
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