All-optical wavelength conversion is a key technology for resolving wavelength contention challenges in routing and switching in a format-and transmission-rate-transparent fashion.Silicon-on-insulator devices,with the...All-optical wavelength conversion is a key technology for resolving wavelength contention challenges in routing and switching in a format-and transmission-rate-transparent fashion.Silicon-on-insulator devices,with their high optical confinement and large Kerr coefficient,hold promise for the on-chip integration of efficient wave-length converters.However,integrated wavelength converters based on four-wave mixing still face challenges,such as the inefficiency of the process,which is exacerbated by the need for off-chip filtering.Such filtering is essential to suppress the residual pump(s)and signal,ensuring the output spectrum predominantly contains the newly generated idler.While on-chip filtering has already been demonstrated,aspects such as idler continuous tunability and system performance when operating with high-symbol-rate signals remain unexplored.We present a silicon photonic wavelength converter with an integrated filter that achieves widely tunable filtering over 25 nm,with a pump and modulated signal suppression ratio exceeding 52 dB.The operation of the device with telecommunication signals is demonstrated across the C-band.展开更多
We report the design, fabrication, and characterization of a universal silicon PN junction ring resonator for C band error-free communication links operated up to 50 Gb/s with co-designed optical modulation and detect...We report the design, fabrication, and characterization of a universal silicon PN junction ring resonator for C band error-free communication links operated up to 50 Gb/s with co-designed optical modulation and detection performance. The universal p-n junction ring device shows co-designed detection responsivity up to 0.84 A/W, in conjunction with a modulation efficiency of -4 V·mm and>8 d B optical modulation extinction ratio, enabling C band 50 Gb/s NRZ communication link with a bit error rate≤3×10^(-12).展开更多
文摘All-optical wavelength conversion is a key technology for resolving wavelength contention challenges in routing and switching in a format-and transmission-rate-transparent fashion.Silicon-on-insulator devices,with their high optical confinement and large Kerr coefficient,hold promise for the on-chip integration of efficient wave-length converters.However,integrated wavelength converters based on four-wave mixing still face challenges,such as the inefficiency of the process,which is exacerbated by the need for off-chip filtering.Such filtering is essential to suppress the residual pump(s)and signal,ensuring the output spectrum predominantly contains the newly generated idler.While on-chip filtering has already been demonstrated,aspects such as idler continuous tunability and system performance when operating with high-symbol-rate signals remain unexplored.We present a silicon photonic wavelength converter with an integrated filter that achieves widely tunable filtering over 25 nm,with a pump and modulated signal suppression ratio exceeding 52 dB.The operation of the device with telecommunication signals is demonstrated across the C-band.
基金National Key R&D Program of China(2022YFB2803100)Engineering and Physical Sciences Research Council (EP/N013247/1,EP/T019697/1,EP/W035995/1)+3 种基金National Major Scientific Research Instrument Development Project (22127901)Shanghai Sailing Program(22YF1456700)China Scholarship Council (CSC)Royal Society (UF150325)。
文摘We report the design, fabrication, and characterization of a universal silicon PN junction ring resonator for C band error-free communication links operated up to 50 Gb/s with co-designed optical modulation and detection performance. The universal p-n junction ring device shows co-designed detection responsivity up to 0.84 A/W, in conjunction with a modulation efficiency of -4 V·mm and>8 d B optical modulation extinction ratio, enabling C band 50 Gb/s NRZ communication link with a bit error rate≤3×10^(-12).
