title: Channel-selective wavelength conversion of quadrature amplitude modulation signal using a graphene-assisted silicon microring resonator.
abstract: Compact and flexible all-optical signal processing is highly desirable in future optical networks for its high-speed processing without optical-electrical-optical conversion. Recent progress of silicon photonics and graphene has driven the increasing research interest of ultra-compact highly efficient chip-scale all-optical signal processing. In this Letter, by exploiting a graphene-silicon microring resonator (GSMR), we propose and experimentally demonstrate channel-selective wavelength conversion of multi-channel quadrature amplitude modulation (QAM) signals. Efficient selective conversion of four-channel 16-QAM signals are observed. The selective suppression ratio and bit error rate of selective conversion are studied, showing favorable operation performance. The proposed channel-selective wavelength conversion of multi-channel signals using GSMR may find various applications in future advanced optical networks for robust data management.
authors.forename: Yun
authors.initials: Y
authors.lastname: Long
authors.forename: Yi
authors.initials: Y
authors.lastname: Wang
authors.forename: Xiao
authors.initials: X
authors.lastname: Hu
authors.forename: Mengxi
authors.initials: M
authors.lastname: Ji
authors.forename: Li
authors.initials: L
authors.lastname: Shen
authors.forename: Andong
authors.initials: A
authors.lastname: Wang
authors.forename: Jian
authors.initials: J
authors.lastname: Wang