Wavelength-tunable sub-picosecond optical switch over entire C-band using nonlinear optical loop mirror

Ryoya Hirata; Toshihiko Hirooka; Masato Yoshida; Masataka Nakazawa

doi:10.1587/elex.16.20190664

Wavelength-tunable sub-picosecond optical switch over entire C-band using nonlinear optical loop mirror

Ryoya Hirata, Toshihiko Hirooka, Masato Yoshida, Masataka Nakazawa

Tohoku University

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

6 Citations (Scopus)

Abstract

We present a wavelength-tunable ultrafast optical switch using a nonlinear optical loop mirror (NOLM), which has a low walk-off characteristic between the signal pulse and the control pulse thanks to the use of a dispersion-flattened highly nonlinear fiber. A 400-fs switching speed and an extinction ratio of >32 dB were obtained from 1528 to 1565 nm. The NOLM was applied to the 320 to 40 Gbaud demultiplexing of DQPSK Nyquist pulse signals, and error-free operation was achieved over the entire C-band.

Original language	English
Article number	20190664
Journal	IEICE Electronics Express
Volume	16
Issue number	23
DOIs	https://doi.org/10.1587/elex.16.20190664
Publication status	Published - 2019 Dec 10

Keywords

Highly nonlinear fiber
Nonlinear optical loop mirror
Optical switch
Optical time-division multiplexed transmission

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10.1587/elex.16.20190664

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abstract = "We present a wavelength-tunable ultrafast optical switch using a nonlinear optical loop mirror (NOLM), which has a low walk-off characteristic between the signal pulse and the control pulse thanks to the use of a dispersion-flattened highly nonlinear fiber. A 400-fs switching speed and an extinction ratio of >32 dB were obtained from 1528 to 1565 nm. The NOLM was applied to the 320 to 40 Gbaud demultiplexing of DQPSK Nyquist pulse signals, and error-free operation was achieved over the entire C-band.",

keywords = "Highly nonlinear fiber, Nonlinear optical loop mirror, Optical switch, Optical time-division multiplexed transmission",

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T1 - Wavelength-tunable sub-picosecond optical switch over entire C-band using nonlinear optical loop mirror

AU - Hirata, Ryoya

AU - Hirooka, Toshihiko

AU - Yoshida, Masato

AU - Nakazawa, Masataka

N1 - Funding Information: This work was supported by the JSPS Grant-in-Aid for Specially Promoted Research (26000009). Publisher Copyright: Copyright © 2019 The Institute of Electronics, Information and Communication Engineers.

PY - 2019/12/10

Y1 - 2019/12/10

N2 - We present a wavelength-tunable ultrafast optical switch using a nonlinear optical loop mirror (NOLM), which has a low walk-off characteristic between the signal pulse and the control pulse thanks to the use of a dispersion-flattened highly nonlinear fiber. A 400-fs switching speed and an extinction ratio of >32 dB were obtained from 1528 to 1565 nm. The NOLM was applied to the 320 to 40 Gbaud demultiplexing of DQPSK Nyquist pulse signals, and error-free operation was achieved over the entire C-band.

AB - We present a wavelength-tunable ultrafast optical switch using a nonlinear optical loop mirror (NOLM), which has a low walk-off characteristic between the signal pulse and the control pulse thanks to the use of a dispersion-flattened highly nonlinear fiber. A 400-fs switching speed and an extinction ratio of >32 dB were obtained from 1528 to 1565 nm. The NOLM was applied to the 320 to 40 Gbaud demultiplexing of DQPSK Nyquist pulse signals, and error-free operation was achieved over the entire C-band.

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KW - Nonlinear optical loop mirror

KW - Optical switch

KW - Optical time-division multiplexed transmission

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Wavelength-tunable sub-picosecond optical switch over entire C-band using nonlinear optical loop mirror

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