Switchable dual-wavelength erbium-doped fiber ring laser with tunable wavelength spacing based on a compact fiber filter

Cao, Zhang; Zhang, Zhao; Shui, Tao; Ji, Xiaochun; Wang, Rui; Yin, Chenchen; Yu, Benli

doi:10.1016/j.optlastec.2013.07.021

Cited by 21 publications

(8 citation statements)

References 18 publications

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“…[1][2][3] Especially, a switchable multi-wavelength fiber laser is more attractive, for its output can be switched among the single-, dual-, and multi-wavelengths. [4][5][6] To achieve multi-wavelength lasing, versatile filters as selectors of operation wavelengths have been employed in the laser cavity to maximize the number of stable emission lines. Feng et al reported a switchable multi-wavelength erbium-doped fiber laser based on a Mach-Zehnder interferometer.…”

Section: Introductionmentioning

confidence: 99%

Switchable multi-wavelength fiber laser based on modal interference

Sun

et al. 2015

Chinese Phys. B

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A comb fiber filter based on modal interference is proposed and demonstrated in this paper. Here two cascaded up-tapers are used to excite the cladding mode, and a core-offset jointing point is used to act as an interference component. Experimental results show that this kind of structure possesses a comb filter property in a range of the C-band. The measured extinction ratio is better than 12 dB with an insertion loss of about 11 dB. A switchable multi-wavelength erbium-doped fiber laser based on this novel comb filter is demonstrated. By adjusting the polarization controller, the output laser can be switched among single-, dual-, and three-wavelengths with a side mode suppression ratio of better than 45 dB.

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Section: Introductionmentioning

confidence: 99%

Switchable multi-wavelength fiber laser based on modal interference

Sun

et al. 2015

Chinese Phys. B

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“…[11][12][13][14][15][16] Cao et al reported a switchable dual-wavelength fiber laser based on core-offset structure. 17 This laser was fabricated by using a FBG in a core-offset structure. The fabrication is interesting, however, the laser wavelength tuning of this dual-wavelength laser is very narrow, which is less than 1 nm for each lasing wavelength.…”

Section: Introductionmentioning

confidence: 99%

Tunable and switchable fiber laser based on modal interference

Sun

et al. 2015

Mod. Phys. Lett. B

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A tunable and switchable erbium-doped fiber (EDF) laser based on modal interference has been proposed and experimentally demonstrated in this paper. Here a core-offset structure has been used to excite the cladding modes and a segment of polarization maintaining fiber inserted in a Sagnac loop interferometer has been used as wavelength selective component. By adjusting the statement of polarization controller (PC) and the bending of the core-offset structure, a tunable and switchable fiber laser with the signal-to-noise ratio (SNR) of more than 50 dB has been achieved in this paper.

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“…However, all of these techniques cannot give dual-wavelength lasing with continuously tunable wavelength spacing. Cao et al demonstrated a switchable dual-wavelength ring EDFL with tunable wavelength-spacing from 9.29 nm to 11.11 nm by employing a compact fiber filter, which consists of a modal interferometer and a FBG embedded in the interferometer [12]; Ummy et al reported a switchable and wavelength-spacing tunable dual-wavelength fiber laser using a semiconductor optical amplifier inside a linear cavity and two Sagnac loop mirrors as cavity reflectors [13]. However, those EDFLs were not enabled to operate at a single frequency: their application scopes were limited.…”

Section: Introductionmentioning

confidence: 99%

A switchable and wavelength-spacing tunable single-frequency and single-polarization dual-wavelength erbium-doped fiber laser based on a compound-cavity structure

et al. 2014

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A switchable and wavelength-spacing tunable single-frequency and single-polarization dual-wavelength erbium-doped fiber laser is proposed and demonstrated experimentally. The fiber laser is composed of a main linear cavity and two subring cavities. In dual-wavelength operation, the wavelength spacing can be tuned from 0.430 nm to 4.487 nm, showing that the fiber laser can be used for photonic generation of a microwave signal with a tunable frequency range from 54 GHz to 563 GHz; in single-wavelength operation, the fiber laser can either work at a fixed wavelength of 1544.108 nm or work at a wavelength with a tunable range of 4.057 nm, from 1544.538 nm to 1548.595 nm. The linewidths of two wavelengths are approximately 760 Hz and 810 Hz respectively. The polarization-extinction ratios of the laser outputs, both in dual-and single-wavelength operation, are higher than 30 dB.

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Switchable dual-wavelength erbium-doped fiber ring laser with tunable wavelength spacing based on a compact fiber filter

Cited by 21 publications

References 18 publications

Switchable multi-wavelength fiber laser based on modal interference

Switchable multi-wavelength fiber laser based on modal interference

Tunable and switchable fiber laser based on modal interference

A switchable and wavelength-spacing tunable single-frequency and single-polarization dual-wavelength erbium-doped fiber laser based on a compound-cavity structure

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