title: Pattern-effect-free all-optical wavelength conversion using a hydrogenated amorphous silicon waveguide with ultra-fast carrier decay.
abstract: Ultra-fast carrier decay, recently discovered in a hydrogenated amorphous silicon waveguide, can be exploited for pattern-effect-free all-optical signal processing based on optical Kerr nonlinearity. In this study, we utilized a 10 Gbit/s RZ-OOK data stream as a pump for degenerate four-wave mixing in a low-loss hydrogenated amorphous silicon waveguide. The propagation loss of the waveguide used was 1.0±0.2 dB/cm at 1550 nm. Unlike crystalline silicon waveguides, no noticeable difference was observed in the BER characteristics between the cases of PRBS 2(7)-1 and 2(31)-1.
authors.affiliation: Network Photonics Research Center, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, 305-8568, Japan. s‑suda@aist.go.jp
authors.forename: Satoshi
authors.initials: S
authors.lastname: Suda
authors.forename: Ken
authors.initials: K
authors.lastname: Tanizawa
authors.forename: Youichi
authors.initials: Y
authors.lastname: Sakakibara
authors.forename: Toshihiro
authors.initials: T
authors.lastname: Kamei
authors.forename: Kouichi
authors.initials: K
authors.lastname: Nakanishi
authors.forename: Emiko
authors.initials: E
authors.lastname: Itoga
authors.forename: Takeshi
authors.initials: T
authors.lastname: Ogasawara
authors.forename: Ryohei
authors.initials: R
authors.lastname: Takei
authors.forename: Hitoshi
authors.initials: H
authors.lastname: Kawashima
authors.forename: Shu
authors.initials: S
authors.lastname: Namiki
authors.forename: Masahiko
authors.initials: M
authors.lastname: Mori
authors.forename: Toshifumi
authors.initials: T
authors.lastname: Hasama
authors.forename: Hiroshi
authors.initials: H
authors.lastname: Ishikawa