Combination and compression of multiple pulses with same or different wavelengths

Jiayao  Huang; Qian Li; Ziyun Jian; Wai Ping-kong; Kaliyaperumal Nakkeeran

doi:10.1109/JLT.2020.3022604

Combination and compression of multiple pulses with same or different wavelengths

Jiayao Huang, Qian Li, Ziyun Jian, Wai Ping-kong, Kaliyaperumal Nakkeeran

Engineering

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

4 Citations (Scopus)

Abstract

We propose a practical scheme to demonstrate the combination and subsequent self-similar compression of two pulses with the same or different central wavelengths while propagating through a nonlinear fiber with exponentially decreasing dispersion. To initiate these processes, two raised cosine pulses with the same or different wavelengths is modulated using a phase modulator to acquire the same chirp at the input of the fiber. While propagating through the nonlinear fiber, these chirped pulses first coalesce into a single pulse and during further propagation get compressed into a single ultrashort high-power
pulse. The output pulse possesses a large compression factor, high
proportion of energy and peak power compared to a single input pulse. We also report the combination and compression of five raised cosine pulses with different wavelengths to achieve an appreciable compression effect, indicating that this system works well even with a small number of input pulses. The proposed scheme provides a simple way to generate high power ultrashort
pulse with high energy and good quality in a short length of fiber.

Original language	English
Article number	9187941
Pages (from-to)	6932-6938
Number of pages	7
Journal	IEEE Journal of Lightwave Technology
Volume	38
Issue number	24
Early online date	8 Sep 2020
DOIs	https://doi.org/10.1109/JLT.2020.3022604
Publication status	Published - 15 Dec 2020

Keywords

Computational modeling
fibers
pulse compression
nonlinear optics

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Cite this

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title = "Combination and compression of multiple pulses with same or different wavelengths",

abstract = "We propose a practical scheme to demonstrate the combination and subsequent self-similar compression of two pulses with the same or different central wavelengths while propagating through a nonlinear fiber with exponentially decreasing dispersion. To initiate these processes, two raised cosine pulses with the same or different wavelengths is modulated using a phase modulator to acquire the same chirp at the input of the fiber. While propagating through the nonlinear fiber, these chirped pulses first coalesce into a single pulse and during further propagation get compressed into a single ultrashort high-powerpulse. The output pulse possesses a large compression factor, highproportion of energy and peak power compared to a single input pulse. We also report the combination and compression of five raised cosine pulses with different wavelengths to achieve an appreciable compression effect, indicating that this system works well even with a small number of input pulses. The proposed scheme provides a simple way to generate high power ultrashortpulse with high energy and good quality in a short length of fiber.",

keywords = "Computational modeling, fibers, pulse compression, nonlinear optics",

author = "Jiayao Huang and Qian Li and Ziyun Jian and Wai Ping-kong and Kaliyaperumal Nakkeeran",

note = "Funding Information: This work was supported in part by the National Natural Science Foundation of China under Grant 61675008 and in part by Shenzhen Science and Technology Innovation Commission under Grant GJHZ20180411185015272. K. Nakkeeran wishes to thank The Royal Society Kan Tong Po International Fellowship 2018 for the financial support to visit The Hong Kong Polytechnic University. ",

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AU - Li, Qian

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AU - Nakkeeran , Kaliyaperumal

N1 - Funding Information: This work was supported in part by the National Natural Science Foundation of China under Grant 61675008 and in part by Shenzhen Science and Technology Innovation Commission under Grant GJHZ20180411185015272. K. Nakkeeran wishes to thank The Royal Society Kan Tong Po International Fellowship 2018 for the financial support to visit The Hong Kong Polytechnic University.

PY - 2020/12/15

Y1 - 2020/12/15

N2 - We propose a practical scheme to demonstrate the combination and subsequent self-similar compression of two pulses with the same or different central wavelengths while propagating through a nonlinear fiber with exponentially decreasing dispersion. To initiate these processes, two raised cosine pulses with the same or different wavelengths is modulated using a phase modulator to acquire the same chirp at the input of the fiber. While propagating through the nonlinear fiber, these chirped pulses first coalesce into a single pulse and during further propagation get compressed into a single ultrashort high-powerpulse. The output pulse possesses a large compression factor, highproportion of energy and peak power compared to a single input pulse. We also report the combination and compression of five raised cosine pulses with different wavelengths to achieve an appreciable compression effect, indicating that this system works well even with a small number of input pulses. The proposed scheme provides a simple way to generate high power ultrashortpulse with high energy and good quality in a short length of fiber.

AB - We propose a practical scheme to demonstrate the combination and subsequent self-similar compression of two pulses with the same or different central wavelengths while propagating through a nonlinear fiber with exponentially decreasing dispersion. To initiate these processes, two raised cosine pulses with the same or different wavelengths is modulated using a phase modulator to acquire the same chirp at the input of the fiber. While propagating through the nonlinear fiber, these chirped pulses first coalesce into a single pulse and during further propagation get compressed into a single ultrashort high-powerpulse. The output pulse possesses a large compression factor, highproportion of energy and peak power compared to a single input pulse. We also report the combination and compression of five raised cosine pulses with different wavelengths to achieve an appreciable compression effect, indicating that this system works well even with a small number of input pulses. The proposed scheme provides a simple way to generate high power ultrashortpulse with high energy and good quality in a short length of fiber.

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Combination and compression of multiple pulses with same or different wavelengths

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Keywords

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