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Despite the high phase non-linearity of a Silicon Mach-Zehnder Modulator in forward bias, we demonstrate that high third order spur-free dynamic range ~102.8 dB. Hz2/3 can be obtained by optimizing the D.C. bias operating point at 1 GHz.
Silicon photonics enables new pinnacles of large-scale photonic integration, aiming at the need for large bandwidth in next-generation data centers and interconnects systems. Ultra-high data streams are thus required in the smallest footprint using the lowest amount of power possible. On the silicon-on-insulator platform, microring modulators are a promising solution providing desirable compactness...
Ultra-high data rate is required for future cloud computing and interconnects systems, for which integrated optical transceivers provide promising solutions. We report 66 Gb/s, on-off keying (OOK) operation of a silicon microring modulator (MRM) consuming a low power of 15 fJ/bit. To the best of our knowledge, this result features the fastest binary shift keying operation using a MRM.
We demonstrate an integrated tunable silicon band-pass filter with low in-band ripples of 0.3 dB, a high contrast of 55 dB, and no free-spectral range. A record bandwidth tuning over 670 GHz was achieved.
We experimentally demonstrate ultra-compact (<0.008mm2), 4-channel CWDM demultiplexers using silicon photonic contra-directional couplers. Flat-top passbands of 10nm, insertion loss of lower than 1dB, and crosstalk of −20dB have been obtained.
We demonstrate the lithography simulation for the fabrication of silicon photonic devices using deep-ultraviolet lithography. Once the distortions arising from the fabrication process are accounted for, the comparison between predicted and measured results is excellent.
We demonstrate narrow-bandwidth (< 1 nm) contradirectional couplers in silicon sidewall-modulated strip waveguides and slab-modulated rib waveguides, using a CMOS-compatible technology. They have box-like responses, low insertion losses, and no need of a circulator or isolator.
We demonstrate a novel silicon microring resonator using grating-assisted contradirecitonal couplers for wavelength-selective coupling control. A single resonant peak can be selected in a wide frequency window without impairing its quality factor.
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