表題番号：2019C-293
日付：2020/03/15
研究課題光信号処理用小型光パラレル・シリアル変換回路構成法の研究
| 研究者所属（当時） | 資格 | 氏名 | |
|---|---|---|---|
| （代表者） | 理工学術院 大学院情報生産システム研究科 | 准教授 | 高畑 清人 |
- 研究成果概要
- A simple and compact design of a delay waveguide unit for an optical serial-to-parallel conversion (OSPC) is proposed. It consists of a delay waveguide and Bragg reflectors and can supply optical path difference with one channel configuration for bit separation and unification in the time domain. In the unit, an identical delay waveguide can be used for several different carrier waves and the one delay unit is used twice in bidirectional operation. This leads to reduction in device complexity and size. The proposed unit is designed based on the silicon-on-insulator optical waveguide with eight apodized gratings for 40-Gbit/s 1:8 OSPC. The designed unit shows the potential to reduce the size of the delay part in the OSPC to about 1/8 of the reported approach, and good wavelength selectivity of eight gratings is confirmed with simulation.