Travelling-wave Mach-Zehnder modulator as a temporal integrator and a time-gate isolator

Binhuang Song; Leimeng Zhuang; Arthur J. Lowery

doi:10.1109/LPT.2017.2703299

Travelling-wave Mach-Zehnder modulator as a temporal integrator and a time-gate isolator

Binhuang Song, Leimeng Zhuang, Arthur J. Lowery

Electrical and Computer Systems Engineering

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

2 Citations (Scopus)

Abstract

This letter demonstrates that a commercial travelling-wave Mach-Zehnder modulator is a versatile device. Next to being a modulator, it is also able to function as an electrooptical temporal integrator with an integration window twice as long as its propagation delay. Using the similar principle and being driven by a periodic RF frequency, the modulator is able to perform as an optical time-gate isolator that blocks any reversetravelling lightwave, but simultaneously allows forward-travelling periodically-pulsed optical signals to pass. In the experiment, subnanosecond forward-travelling time gates and reverse-travelling optical power extinction >20 dB are successfully demonstrated.

Original language	English
Article number	7924367
Pages (from-to)	1101-1104
Number of pages	4
Journal	IEEE Photonics Technology Letters
Volume	29
Issue number	13
DOIs	https://doi.org/10.1109/LPT.2017.2703299
Publication status	Published - 1 Jul 2017

Keywords

isolators.
microwave photonics
temporal integrator
Travelling-wave Mach-Zehnder modulator

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10.1109/LPT.2017.2703299

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abstract = "This letter demonstrates that a commercial travelling-wave Mach-Zehnder modulator is a versatile device. Next to being a modulator, it is also able to function as an electrooptical temporal integrator with an integration window twice as long as its propagation delay. Using the similar principle and being driven by a periodic RF frequency, the modulator is able to perform as an optical time-gate isolator that blocks any reversetravelling lightwave, but simultaneously allows forward-travelling periodically-pulsed optical signals to pass. In the experiment, subnanosecond forward-travelling time gates and reverse-travelling optical power extinction >20 dB are successfully demonstrated.",

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AB - This letter demonstrates that a commercial travelling-wave Mach-Zehnder modulator is a versatile device. Next to being a modulator, it is also able to function as an electrooptical temporal integrator with an integration window twice as long as its propagation delay. Using the similar principle and being driven by a periodic RF frequency, the modulator is able to perform as an optical time-gate isolator that blocks any reversetravelling lightwave, but simultaneously allows forward-travelling periodically-pulsed optical signals to pass. In the experiment, subnanosecond forward-travelling time gates and reverse-travelling optical power extinction >20 dB are successfully demonstrated.

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Travelling-wave Mach-Zehnder modulator as a temporal integrator and a time-gate isolator

Abstract

Keywords

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