Widely tunable mode-locked fiber laser using carbon nanotube and LPG W-shaped filter

Jie Wang; Aping Zhang; Yong Hang Shen; Hwa Yaw Tam; Ping Kong Alexander Wai

doi:10.1364/OL.40.004329

Widely tunable mode-locked fiber laser using carbon nanotube and LPG W-shaped filter

Jie Wang, Aping Zhang, Yong Hang Shen, Hwa Yaw Tam, Ping Kong Alexander Wai

Research output: Journal article publication › Journal article › Academic research › peer-review

51 Citations (Scopus)

Abstract

A widely tunable mode-locked fiber laser using a carbon nanotube absorber and a fiber-optic W-shaped spectral filter is presented. The W-shaped filter is constructed by sandwiching a phase-shifted long-period grating between two LPGs of different periods. By adjusting the temperature of the W-shaped filter from 23°C to 100°C, the central wavelength of the mode-locked fiber laser can be continuously tuned from 1597 to 1553 nm. The tuning range is further extended to 1531.6 nm when a shorter erbiumdoped fiber is used in the fiber oscillator. The experimental results reveal that the large thermal tunability of the proposed LPG filter provides an effective approach to achieve compact widely tunable mode-locked fiber lasers covering both C and L bands.

Original language	English
Pages (from-to)	4329-4332
Number of pages	4
Journal	Optics Letters
Volume	40
Issue number	18
DOIs	https://doi.org/10.1364/OL.40.004329
Publication status	Published - 1 Jan 2015

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1364/OL.40.004329

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title = "Widely tunable mode-locked fiber laser using carbon nanotube and LPG W-shaped filter",

abstract = "A widely tunable mode-locked fiber laser using a carbon nanotube absorber and a fiber-optic W-shaped spectral filter is presented. The W-shaped filter is constructed by sandwiching a phase-shifted long-period grating between two LPGs of different periods. By adjusting the temperature of the W-shaped filter from 23°C to 100°C, the central wavelength of the mode-locked fiber laser can be continuously tuned from 1597 to 1553 nm. The tuning range is further extended to 1531.6 nm when a shorter erbiumdoped fiber is used in the fiber oscillator. The experimental results reveal that the large thermal tunability of the proposed LPG filter provides an effective approach to achieve compact widely tunable mode-locked fiber lasers covering both C and L bands.",

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AU - Wang, Jie

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AU - Wai, Ping Kong Alexander

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N2 - A widely tunable mode-locked fiber laser using a carbon nanotube absorber and a fiber-optic W-shaped spectral filter is presented. The W-shaped filter is constructed by sandwiching a phase-shifted long-period grating between two LPGs of different periods. By adjusting the temperature of the W-shaped filter from 23°C to 100°C, the central wavelength of the mode-locked fiber laser can be continuously tuned from 1597 to 1553 nm. The tuning range is further extended to 1531.6 nm when a shorter erbiumdoped fiber is used in the fiber oscillator. The experimental results reveal that the large thermal tunability of the proposed LPG filter provides an effective approach to achieve compact widely tunable mode-locked fiber lasers covering both C and L bands.

AB - A widely tunable mode-locked fiber laser using a carbon nanotube absorber and a fiber-optic W-shaped spectral filter is presented. The W-shaped filter is constructed by sandwiching a phase-shifted long-period grating between two LPGs of different periods. By adjusting the temperature of the W-shaped filter from 23°C to 100°C, the central wavelength of the mode-locked fiber laser can be continuously tuned from 1597 to 1553 nm. The tuning range is further extended to 1531.6 nm when a shorter erbiumdoped fiber is used in the fiber oscillator. The experimental results reveal that the large thermal tunability of the proposed LPG filter provides an effective approach to achieve compact widely tunable mode-locked fiber lasers covering both C and L bands.

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Widely tunable mode-locked fiber laser using carbon nanotube and LPG W-shaped filter

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