A pulsewidth measurement technology based on carbon-nanotube saturable absorber

Pushan Xiao; Kan Wu; Dong Mao; Jianping Chen

doi:10.1364/OE.27.004188

A pulsewidth measurement technology based on carbon-nanotube saturable absorber

Pushan Xiao, Kan Wu, Dong Mao, Jianping Chen

School of Physical Science and Technology

Shanghai Jiao Tong University

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

12 Scopus citations

Abstract

We demonstrate a proof-of-concept saturable absorption based pulsewidth measurement (SAPM) by exploring the intensity dependent nonlinear transmission (i.e., saturable absorption) of low-dimensional material (LDM) carbon nanotubes. A minimum pulse energy of 75 fJ is experimentally detected with an average-power-peak-power product (P _av ·P _pk ) of 5.44 × 10 ^-7 W ² near 1550 nm. A minimum detectable pulse energy of 10 fJ with a P _av ·P _pk of 1.3 × 10 ^-9 W ² is estimated with further optimization. The nanometer-level thickness and femtosecond-level decay time of LDMs allow ultrafast light interaction on a very small footprint, which potentially supports chip-scale characterization of ultrafast pulses with minimum distortion.

Original language	English
Pages (from-to)	4188-4203
Number of pages	16
Journal	Optics Express
Volume	27
Issue number	4
DOIs	https://doi.org/10.1364/OE.27.004188
State	Published - 2019

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title = "A pulsewidth measurement technology based on carbon-nanotube saturable absorber",

abstract = " We demonstrate a proof-of-concept saturable absorption based pulsewidth measurement (SAPM) by exploring the intensity dependent nonlinear transmission (i.e., saturable absorption) of low-dimensional material (LDM) carbon nanotubes. A minimum pulse energy of 75 fJ is experimentally detected with an average-power-peak-power product (P av ·P pk ) of 5.44 × 10 -7 W 2 near 1550 nm. A minimum detectable pulse energy of 10 fJ with a P av ·P pk of 1.3 × 10 -9 W 2 is estimated with further optimization. The nanometer-level thickness and femtosecond-level decay time of LDMs allow ultrafast light interaction on a very small footprint, which potentially supports chip-scale characterization of ultrafast pulses with minimum distortion.",

author = "Pushan Xiao and Kan Wu and Dong Mao and Jianping Chen",

note = "Publisher Copyright: {\textcopyright} 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement.",

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AU - Mao, Dong

AU - Chen, Jianping

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N2 - We demonstrate a proof-of-concept saturable absorption based pulsewidth measurement (SAPM) by exploring the intensity dependent nonlinear transmission (i.e., saturable absorption) of low-dimensional material (LDM) carbon nanotubes. A minimum pulse energy of 75 fJ is experimentally detected with an average-power-peak-power product (P av ·P pk ) of 5.44 × 10 -7 W 2 near 1550 nm. A minimum detectable pulse energy of 10 fJ with a P av ·P pk of 1.3 × 10 -9 W 2 is estimated with further optimization. The nanometer-level thickness and femtosecond-level decay time of LDMs allow ultrafast light interaction on a very small footprint, which potentially supports chip-scale characterization of ultrafast pulses with minimum distortion.

AB - We demonstrate a proof-of-concept saturable absorption based pulsewidth measurement (SAPM) by exploring the intensity dependent nonlinear transmission (i.e., saturable absorption) of low-dimensional material (LDM) carbon nanotubes. A minimum pulse energy of 75 fJ is experimentally detected with an average-power-peak-power product (P av ·P pk ) of 5.44 × 10 -7 W 2 near 1550 nm. A minimum detectable pulse energy of 10 fJ with a P av ·P pk of 1.3 × 10 -9 W 2 is estimated with further optimization. The nanometer-level thickness and femtosecond-level decay time of LDMs allow ultrafast light interaction on a very small footprint, which potentially supports chip-scale characterization of ultrafast pulses with minimum distortion.

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A pulsewidth measurement technology based on carbon-nanotube saturable absorber

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