X-(2) Modulator With 40-GHz Modulation Utilizing BaTiO3 Photonic Crystal Waveguides

Peter David Girouard, Pice Chen, Young Kyu Jeong, Zhifu Liu, Seng-Tiong Ho, Bruce W. Wessels

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Abstract

Future telecommunication and data center networks as well as quantum optical communication systems will require optical modulators with wide bandwidths, large extinction, low operating voltage, and small size. We report the first quantitative demonstration of slow light enhancement of the electro-optic (EO) coefficient in a.(2) ferroelectric waveguide at microwave modulation frequencies. This is demonstrated in a compact (1 mm) photonic crystal (PC) device with a voltage-length product (V pi . L) of 0.66 V-cm at 10 GHz and measured EO modulation out to 40 GHz. A local enhancement factor of 12 and effective EO coefficient of 900 pm/V is measured in the PC region at a wavelength of 1530 nm. By further optimizing the PC structure, devices with EO 3-dB bandwidths greater than 40 GHz and voltage-length product of 0.16 V-cm are predicted with 100-mu m interaction length.
Original languageEnglish
Article number5200110
JournalI E E E Journal of Quantum Electronics
Volume53
Issue number4
Number of pages10
ISSN0018-9197
DOIs
Publication statusPublished - 2017

Cite this

Girouard, Peter David ; Chen, Pice ; Jeong, Young Kyu ; Liu, Zhifu ; Ho, Seng-Tiong ; Wessels, Bruce W. / X-(2) Modulator With 40-GHz Modulation Utilizing BaTiO3 Photonic Crystal Waveguides. In: I E E E Journal of Quantum Electronics. 2017 ; Vol. 53, No. 4.
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title = "X-(2) Modulator With 40-GHz Modulation Utilizing BaTiO3 Photonic Crystal Waveguides",
abstract = "Future telecommunication and data center networks as well as quantum optical communication systems will require optical modulators with wide bandwidths, large extinction, low operating voltage, and small size. We report the first quantitative demonstration of slow light enhancement of the electro-optic (EO) coefficient in a.(2) ferroelectric waveguide at microwave modulation frequencies. This is demonstrated in a compact (1 mm) photonic crystal (PC) device with a voltage-length product (V pi . L) of 0.66 V-cm at 10 GHz and measured EO modulation out to 40 GHz. A local enhancement factor of 12 and effective EO coefficient of 900 pm/V is measured in the PC region at a wavelength of 1530 nm. By further optimizing the PC structure, devices with EO 3-dB bandwidths greater than 40 GHz and voltage-length product of 0.16 V-cm are predicted with 100-mu m interaction length.",
author = "Girouard, {Peter David} and Pice Chen and Jeong, {Young Kyu} and Zhifu Liu and Seng-Tiong Ho and Wessels, {Bruce W.}",
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X-(2) Modulator With 40-GHz Modulation Utilizing BaTiO3 Photonic Crystal Waveguides. / Girouard, Peter David; Chen, Pice; Jeong, Young Kyu; Liu, Zhifu; Ho, Seng-Tiong; Wessels, Bruce W.

In: I E E E Journal of Quantum Electronics, Vol. 53, No. 4, 5200110 , 2017.

Research output: Contribution to journalJournal articleResearchpeer-review

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T1 - X-(2) Modulator With 40-GHz Modulation Utilizing BaTiO3 Photonic Crystal Waveguides

AU - Girouard, Peter David

AU - Chen, Pice

AU - Jeong, Young Kyu

AU - Liu, Zhifu

AU - Ho, Seng-Tiong

AU - Wessels, Bruce W.

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AB - Future telecommunication and data center networks as well as quantum optical communication systems will require optical modulators with wide bandwidths, large extinction, low operating voltage, and small size. We report the first quantitative demonstration of slow light enhancement of the electro-optic (EO) coefficient in a.(2) ferroelectric waveguide at microwave modulation frequencies. This is demonstrated in a compact (1 mm) photonic crystal (PC) device with a voltage-length product (V pi . L) of 0.66 V-cm at 10 GHz and measured EO modulation out to 40 GHz. A local enhancement factor of 12 and effective EO coefficient of 900 pm/V is measured in the PC region at a wavelength of 1530 nm. By further optimizing the PC structure, devices with EO 3-dB bandwidths greater than 40 GHz and voltage-length product of 0.16 V-cm are predicted with 100-mu m interaction length.

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