1.3-μm 4×25-Gb/s hybrid integrated TOSA and ROSA

Yu LIU; Hao-tian BAO; Yi-ming ZHANG; Zhi-ke ZHANG; Yun-shan ZHANG; Xiang-fei CHEN; Jun LU; Yue-chun SHI; Jia-shun ZHANG; Liang-liang WANGL; Jun-ming AN; Ning-hua ZHU

doi:10.1631/FITEE.1800371

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1.3-μm 4×25-Gb/s hybrid integrated TOSA and ROSA

Special Feature on Optoelectronic Devices and Integration | Updated：2022-05-19

- 1.3-μm 4×25-Gb/s hybrid integrated TOSA and ROSA
- 1.3-µm 4×25-Gb/s混合集成收发光子组件
- Frontiers of Information Technology & Electronic Engineering Vol. 20, Issue 4, Pages: 490-497(2019)
- Affiliations：
  
  State Key Laboratory on Integrated Optoelectronics, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China
  School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
  State Key Laboratory of Advanced Optical Communications System and Networks, School of Electronics Engineering and Computer Science, Peking University, Beijing 100871, China
  Microwave-Photonics Technology Laboratory, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, China
- Author bio：
  
  [ "Yu LIU, E-mail: yliu@semi.ac.cn" ]
  [ "Hao-tian BAO, E-mail: bht@semi.ac.cn" ]
- Funds：
- DOI：10.1631/FITEE.1800371
  CLC： TN24
- Received：04 July 2018，
  
  Revised：2019-;4-11，
  
  Published：2019-04
- Accepted：
Scan QR Code
Yu LIU, Hao-tian BAO, Yi-ming ZHANG, et al. 1.3-μm 4×25-Gb/s hybrid integrated TOSA and ROSA[J]. Frontiers of Information Technology & Electronic Engineering, 2019, 20(4): 490-497.
DOI：

Yu LIU, Hao-tian BAO, Yi-ming ZHANG, et al. 1.3-μm 4×25-Gb/s hybrid integrated TOSA and ROSA[J]. Frontiers of Information Technology & Electronic Engineering, 2019, 20(4): 490-497. DOI： 10.1631/FITEE.1800371.

摘要

介绍了一种采用混合集成技术的小型低成本4×25-Gb/s收发光子组件（TOSA/ROSA）的设计与制造。TOSA和ROSA在无热电冷却器（TEC）情况下可满足粗波分复用（CWDM）应用。光学子组件（OSA）封装外壳的物理尺寸为11.5 mm×5.4 mm×5.4 mm。采用石英基阵列波导光栅（AWG）芯片作为TOSA和ROSA波长的复用和解复用器件。选择O波段特定通道波长。在TOSA中，重建等效啁啾（REC）技术能实现对4个1.3µm离散直接调制激光器（DML）芯片波长的精确控制。在背靠背传输试验中，TOSA和ROSA组成链路中各通道误码率在满足100G-4WDM-10标准下灵敏度分别为−7.1、−6.6、−6.2和−5.1 dBm。采样示波器的数据经过处理后能得到清晰端正的眼图。

Abstract

The design and fabrication of a compact and low-cost 4×25-Gb/s transmitter optical sub-assembly (TOSA) and receiver optical sub-assembly (ROSA) using a hybrid integrated technique are reported. TOSA and ROSA are developed without thermoelectric cooler for coarse wavelength division multiplexing applications. Physical dimension of the packaged optical sub-assembly is limited to 11.5 mm×5.4 mm×5.4 mm. The design of TOSA and ROSA is employed using a silica-based arrayed waveguide grating chip to select the specific channel wavelength at O-band. In TOSA

the wavelength of four 1.3-μm discrete directly modulated laser chips is well controlled based on the reconstruction equivalent chirp technique. In the back-to-back transmission test

bit error rates for all lanes of cascade of the TOSA and ROSA are small. A clear opening eye diagram is obtained.

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references

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