Full-range wavelength switching at tunable distributed amplification-DFB laser with high-accuracy feedforward control

Yuri Niiya; Takeshi Kuboki; Kazutoshi Kato

doi:10.1049/ell2.12122

Full-range wavelength switching at tunable distributed amplification-DFB laser with high-accuracy feedforward control

Yuri Niiya, Takeshi Kuboki, Kazutoshi Kato

Integrated Electronic Systems

Research output: Contribution to journal › Article › peer-review

Abstract

To realise an optical packet switching system, a tunable laser that can achieve high-speed and wide-range tuning is required. One candidate, we have studied for this role, is the tunable distributed amplification (TDA)-distributed feedback (DFB) laser. In this study, with an aim to realise high-speed switching at the full C-band tuning range of a TDA-DFB laser array, we investigated 800-GHz-wide switching, which is the maximum tuning range of a single TDA-DFB laser. By improving the accuracy of feedforward control, we achieved a high-speed wavelength switching time of 30 ns.

Original language	English
Pages (from-to)	270-271
Number of pages	2
Journal	Electronics Letters
Volume	57
Issue number	6
DOIs	https://doi.org/10.1049/ell2.12122
Publication status	Published - Mar 2021

All Science Journal Classification (ASJC) codes

Electrical and Electronic Engineering

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10.1049/ell2.12122

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title = "Full-range wavelength switching at tunable distributed amplification-DFB laser with high-accuracy feedforward control",

abstract = "To realise an optical packet switching system, a tunable laser that can achieve high-speed and wide-range tuning is required. One candidate, we have studied for this role, is the tunable distributed amplification (TDA)-distributed feedback (DFB) laser. In this study, with an aim to realise high-speed switching at the full C-band tuning range of a TDA-DFB laser array, we investigated 800-GHz-wide switching, which is the maximum tuning range of a single TDA-DFB laser. By improving the accuracy of feedforward control, we achieved a high-speed wavelength switching time of 30 ns.",

author = "Yuri Niiya and Takeshi Kuboki and Kazutoshi Kato",

note = "Funding Information: A part of this work was supported by JSPS KAKENHI Grant Number JP19K21977 and JP20H00253. We thank NTT Device Technology Laboratories for their experimental support. Publisher Copyright: {\textcopyright} 2021 The Authors. Electronics Letters published by John Wiley & Sons Ltd on behalf of The Institution of Engineering and Technology.",

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AU - Kuboki, Takeshi

AU - Kato, Kazutoshi

N1 - Funding Information: A part of this work was supported by JSPS KAKENHI Grant Number JP19K21977 and JP20H00253. We thank NTT Device Technology Laboratories for their experimental support. Publisher Copyright: © 2021 The Authors. Electronics Letters published by John Wiley & Sons Ltd on behalf of The Institution of Engineering and Technology.

PY - 2021/3

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N2 - To realise an optical packet switching system, a tunable laser that can achieve high-speed and wide-range tuning is required. One candidate, we have studied for this role, is the tunable distributed amplification (TDA)-distributed feedback (DFB) laser. In this study, with an aim to realise high-speed switching at the full C-band tuning range of a TDA-DFB laser array, we investigated 800-GHz-wide switching, which is the maximum tuning range of a single TDA-DFB laser. By improving the accuracy of feedforward control, we achieved a high-speed wavelength switching time of 30 ns.

AB - To realise an optical packet switching system, a tunable laser that can achieve high-speed and wide-range tuning is required. One candidate, we have studied for this role, is the tunable distributed amplification (TDA)-distributed feedback (DFB) laser. In this study, with an aim to realise high-speed switching at the full C-band tuning range of a TDA-DFB laser array, we investigated 800-GHz-wide switching, which is the maximum tuning range of a single TDA-DFB laser. By improving the accuracy of feedforward control, we achieved a high-speed wavelength switching time of 30 ns.

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Full-range wavelength switching at tunable distributed amplification-DFB laser with high-accuracy feedforward control

Abstract

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