Abstract

A wavelength-switchable single-longitudinal-mode (SLM) dual-wavelength erbium-doped fiber laser (EDFL) incorporating a novel high-finesse ring filter is proposed and demonstrated. The ring filter consists of two optical couplers and a section of pumped erbium-doped fiber (EDF). Thanks to the gain generated by the EDF, the ring filter has spectral response with a high finesse. The incorporation of the ring filter leads to the suppression of undesirable modes in the dual-wavelength EDFL. An experiment is carried out. Two SLM wavelengths are generated. The side mode suppression ratio is greater than 50 dB. The wavelength spacing of the two wavelengths is tunable with a tuning step of ~10 GHz. A frequency switchable microwave signal from ~10 to ~40 GHz is thus generated by beating the two wavelengths at a photodetector (PD). The spectral width of the generated microwave signal is measured to be less than 5 kHz.

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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]

2009

2008

2007

D. Chen, H. Fu, and W. Liu, “Single-longitudinal-mode erbium-doped fiber laser based on a fiber Bragg grating Fabry-Perot filter,” Laser Phys. 17(10), 1246–1248 (2007).
[CrossRef]

W. Guan and J. R. Marciante, “Dual-frequency operation in a short-cavity ytterbium-doped fiber laser,” IEEE Photon. Technol. Lett. 19(5), 261–263 (2007).
[CrossRef]

C.-H. Yeh, T. T. Huang, H.-C. Chien, C.-H. Ko, and S. Chi, “Tunable S-band erbium-doped triple-ring laser with single-longitudinal-mode operation,” Opt. Express 15(2), 382–386 (2007), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-2-382 .
[CrossRef]

2006

X. F. Chen, Z. C. Deng, and J. P. Yao, “Photonic generation of microwave signal using a dual-wavelength single-longitudinal-mode fiber ring laser,” IEEE Trans. Microw. Theory Tech. 54(2), 804–809 (2006).
[CrossRef]

J. Sun, Y. T. Dai, X. F. Chen, Y. J. Zhang, and S. Z. Xie, “Stable dual-wavelength DFB fiber laser with separate resonant cavities and its application in tunable microwave generation,” IEEE Photon. Technol. Lett. 18(24), 2587–2589 (2006).
[CrossRef]

2004

J. Liu, J. P. Yao, J. Yao, and T. H. Yeap, “Single-longitudinal-mode multiwavelength fiber ring laser,” IEEE Photon. Technol. Lett. 16(4), 1020–1022 (2004).
[CrossRef]

1992

R. T. Ramos and A. J. Seeds, “Fast heterodyne optical phase-lock loop using double quantum-well laser-diodes,” Electron. Lett. 28(1), 82–83 (1992).
[CrossRef]

1983

L. Goldberg, H. F. Taylor, J. F. Weller, and D. M. Bloom, “Microwave signal generation with injection-locked laser-diodes,” Electron. Lett. 19(13), 491–493 (1983).
[CrossRef]

Bloom, D. M.

L. Goldberg, H. F. Taylor, J. F. Weller, and D. M. Bloom, “Microwave signal generation with injection-locked laser-diodes,” Electron. Lett. 19(13), 491–493 (1983).
[CrossRef]

Cao, H.

Chen, D.

D. Chen, H. Fu, and W. Liu, “Single-longitudinal-mode erbium-doped fiber laser based on a fiber Bragg grating Fabry-Perot filter,” Laser Phys. 17(10), 1246–1248 (2007).
[CrossRef]

Chen, G. J.

Chen, X. F.

X. F. Chen, Z. C. Deng, and J. P. Yao, “Photonic generation of microwave signal using a dual-wavelength single-longitudinal-mode fiber ring laser,” IEEE Trans. Microw. Theory Tech. 54(2), 804–809 (2006).
[CrossRef]

J. Sun, Y. T. Dai, X. F. Chen, Y. J. Zhang, and S. Z. Xie, “Stable dual-wavelength DFB fiber laser with separate resonant cavities and its application in tunable microwave generation,” IEEE Photon. Technol. Lett. 18(24), 2587–2589 (2006).
[CrossRef]

Cheng, X. P.

J. L. Zhou, L. Xia, X. P. Cheng, X. P. Dong, and P. Shum, “Photonic generation of tunable microwave signals by beating a dual-wavelength single longitudinal mode fiber ring laser,” Appl. Phys. B 91(1), 99–103 (2008).
[CrossRef]

Chi, S.

Chien, H.-C.

Dai, Y. T.

J. Sun, Y. T. Dai, X. F. Chen, Y. J. Zhang, and S. Z. Xie, “Stable dual-wavelength DFB fiber laser with separate resonant cavities and its application in tunable microwave generation,” IEEE Photon. Technol. Lett. 18(24), 2587–2589 (2006).
[CrossRef]

Deng, Z. C.

X. F. Chen, Z. C. Deng, and J. P. Yao, “Photonic generation of microwave signal using a dual-wavelength single-longitudinal-mode fiber ring laser,” IEEE Trans. Microw. Theory Tech. 54(2), 804–809 (2006).
[CrossRef]

Dong, X. P.

J. L. Zhou, L. Xia, X. P. Cheng, X. P. Dong, and P. Shum, “Photonic generation of tunable microwave signals by beating a dual-wavelength single longitudinal mode fiber ring laser,” Appl. Phys. B 91(1), 99–103 (2008).
[CrossRef]

Fu, H.

D. Chen, H. Fu, and W. Liu, “Single-longitudinal-mode erbium-doped fiber laser based on a fiber Bragg grating Fabry-Perot filter,” Laser Phys. 17(10), 1246–1248 (2007).
[CrossRef]

Goldberg, L.

L. Goldberg, H. F. Taylor, J. F. Weller, and D. M. Bloom, “Microwave signal generation with injection-locked laser-diodes,” Electron. Lett. 19(13), 491–493 (1983).
[CrossRef]

Guan, W.

W. Guan and J. R. Marciante, “Dual-frequency operation in a short-cavity ytterbium-doped fiber laser,” IEEE Photon. Technol. Lett. 19(5), 261–263 (2007).
[CrossRef]

Hong, L.

J. R. Qian, J. Su, and L. Hong, “A widely tunable dual-wavelength erbium-doped fiber ring laser operating in single longitudinal mode,” Opt. Commun. 281(17), 4432–4434 (2008).
[CrossRef]

Huang, D. X.

Huang, T. T.

Kang, J. U.

Ko, C.-H.

Liu, J.

J. Liu, J. P. Yao, J. Yao, and T. H. Yeap, “Single-longitudinal-mode multiwavelength fiber ring laser,” IEEE Photon. Technol. Lett. 16(4), 1020–1022 (2004).
[CrossRef]

Liu, W.

D. Chen, H. Fu, and W. Liu, “Single-longitudinal-mode erbium-doped fiber laser based on a fiber Bragg grating Fabry-Perot filter,” Laser Phys. 17(10), 1246–1248 (2007).
[CrossRef]

Lou, C. Y.

Marciante, J. R.

W. Guan and J. R. Marciante, “Dual-frequency operation in a short-cavity ytterbium-doped fiber laser,” IEEE Photon. Technol. Lett. 19(5), 261–263 (2007).
[CrossRef]

Pan, S. L.

Qian, J. R.

J. R. Qian, J. Su, and L. Hong, “A widely tunable dual-wavelength erbium-doped fiber ring laser operating in single longitudinal mode,” Opt. Commun. 281(17), 4432–4434 (2008).
[CrossRef]

Ramos, R. T.

R. T. Ramos and A. J. Seeds, “Fast heterodyne optical phase-lock loop using double quantum-well laser-diodes,” Electron. Lett. 28(1), 82–83 (1992).
[CrossRef]

Seeds, A. J.

R. T. Ramos and A. J. Seeds, “Fast heterodyne optical phase-lock loop using double quantum-well laser-diodes,” Electron. Lett. 28(1), 82–83 (1992).
[CrossRef]

Shum, P.

J. L. Zhou, L. Xia, X. P. Cheng, X. P. Dong, and P. Shum, “Photonic generation of tunable microwave signals by beating a dual-wavelength single longitudinal mode fiber ring laser,” Appl. Phys. B 91(1), 99–103 (2008).
[CrossRef]

Su, J.

J. R. Qian, J. Su, and L. Hong, “A widely tunable dual-wavelength erbium-doped fiber ring laser operating in single longitudinal mode,” Opt. Commun. 281(17), 4432–4434 (2008).
[CrossRef]

Sun, J.

J. Sun, Y. T. Dai, X. F. Chen, Y. J. Zhang, and S. Z. Xie, “Stable dual-wavelength DFB fiber laser with separate resonant cavities and its application in tunable microwave generation,” IEEE Photon. Technol. Lett. 18(24), 2587–2589 (2006).
[CrossRef]

Taylor, H. F.

L. Goldberg, H. F. Taylor, J. F. Weller, and D. M. Bloom, “Microwave signal generation with injection-locked laser-diodes,” Electron. Lett. 19(13), 491–493 (1983).
[CrossRef]

Weller, J. F.

L. Goldberg, H. F. Taylor, J. F. Weller, and D. M. Bloom, “Microwave signal generation with injection-locked laser-diodes,” Electron. Lett. 19(13), 491–493 (1983).
[CrossRef]

Xia, L.

J. L. Zhou, L. Xia, X. P. Cheng, X. P. Dong, and P. Shum, “Photonic generation of tunable microwave signals by beating a dual-wavelength single longitudinal mode fiber ring laser,” Appl. Phys. B 91(1), 99–103 (2008).
[CrossRef]

Xie, S. Z.

J. Sun, Y. T. Dai, X. F. Chen, Y. J. Zhang, and S. Z. Xie, “Stable dual-wavelength DFB fiber laser with separate resonant cavities and its application in tunable microwave generation,” IEEE Photon. Technol. Lett. 18(24), 2587–2589 (2006).
[CrossRef]

Yao, J.

J. Liu, J. P. Yao, J. Yao, and T. H. Yeap, “Single-longitudinal-mode multiwavelength fiber ring laser,” IEEE Photon. Technol. Lett. 16(4), 1020–1022 (2004).
[CrossRef]

Yao, J. P.

S. L. Pan and J. P. Yao, “A wavelength-switchable single-longitudinal-mode dual-wavelength erbium-doped fiber laser for switchable microwave generation,” Opt. Express 17(7), 5414–5419 (2009), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-7-5414 .
[CrossRef]

X. F. Chen, Z. C. Deng, and J. P. Yao, “Photonic generation of microwave signal using a dual-wavelength single-longitudinal-mode fiber ring laser,” IEEE Trans. Microw. Theory Tech. 54(2), 804–809 (2006).
[CrossRef]

J. Liu, J. P. Yao, J. Yao, and T. H. Yeap, “Single-longitudinal-mode multiwavelength fiber ring laser,” IEEE Photon. Technol. Lett. 16(4), 1020–1022 (2004).
[CrossRef]

Yeap, T. H.

J. Liu, J. P. Yao, J. Yao, and T. H. Yeap, “Single-longitudinal-mode multiwavelength fiber ring laser,” IEEE Photon. Technol. Lett. 16(4), 1020–1022 (2004).
[CrossRef]

Yeh, C.-H.

Zhang, K.

Zhang, X. L.

Zhang, Y. J.

J. Sun, Y. T. Dai, X. F. Chen, Y. J. Zhang, and S. Z. Xie, “Stable dual-wavelength DFB fiber laser with separate resonant cavities and its application in tunable microwave generation,” IEEE Photon. Technol. Lett. 18(24), 2587–2589 (2006).
[CrossRef]

Zhao, X. F.

Zhou, J. L.

J. L. Zhou, L. Xia, X. P. Cheng, X. P. Dong, and P. Shum, “Photonic generation of tunable microwave signals by beating a dual-wavelength single longitudinal mode fiber ring laser,” Appl. Phys. B 91(1), 99–103 (2008).
[CrossRef]

Appl. Phys. B

J. L. Zhou, L. Xia, X. P. Cheng, X. P. Dong, and P. Shum, “Photonic generation of tunable microwave signals by beating a dual-wavelength single longitudinal mode fiber ring laser,” Appl. Phys. B 91(1), 99–103 (2008).
[CrossRef]

Electron. Lett.

L. Goldberg, H. F. Taylor, J. F. Weller, and D. M. Bloom, “Microwave signal generation with injection-locked laser-diodes,” Electron. Lett. 19(13), 491–493 (1983).
[CrossRef]

R. T. Ramos and A. J. Seeds, “Fast heterodyne optical phase-lock loop using double quantum-well laser-diodes,” Electron. Lett. 28(1), 82–83 (1992).
[CrossRef]

IEEE Photon. Technol. Lett.

J. Liu, J. P. Yao, J. Yao, and T. H. Yeap, “Single-longitudinal-mode multiwavelength fiber ring laser,” IEEE Photon. Technol. Lett. 16(4), 1020–1022 (2004).
[CrossRef]

J. Sun, Y. T. Dai, X. F. Chen, Y. J. Zhang, and S. Z. Xie, “Stable dual-wavelength DFB fiber laser with separate resonant cavities and its application in tunable microwave generation,” IEEE Photon. Technol. Lett. 18(24), 2587–2589 (2006).
[CrossRef]

W. Guan and J. R. Marciante, “Dual-frequency operation in a short-cavity ytterbium-doped fiber laser,” IEEE Photon. Technol. Lett. 19(5), 261–263 (2007).
[CrossRef]

IEEE Trans. Microw. Theory Tech.

X. F. Chen, Z. C. Deng, and J. P. Yao, “Photonic generation of microwave signal using a dual-wavelength single-longitudinal-mode fiber ring laser,” IEEE Trans. Microw. Theory Tech. 54(2), 804–809 (2006).
[CrossRef]

Laser Phys.

D. Chen, H. Fu, and W. Liu, “Single-longitudinal-mode erbium-doped fiber laser based on a fiber Bragg grating Fabry-Perot filter,” Laser Phys. 17(10), 1246–1248 (2007).
[CrossRef]

Opt. Commun.

J. R. Qian, J. Su, and L. Hong, “A widely tunable dual-wavelength erbium-doped fiber ring laser operating in single longitudinal mode,” Opt. Commun. 281(17), 4432–4434 (2008).
[CrossRef]

Opt. Express

Opt. Lett.

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Figures (5)

Fig. 1.
Fig. 1.

(a) Configuration of the proposed SLM dual-wavelength EDFL. EDF: erbium-doped fiber; WDM: wavelength-division multiplexer; PC: polarization controller; PBC: polarization beam combiner; ISO: isolator; FFPI: fiber Fabry-Perot interferometer, ATT: attenuator. (b) Schematic of the high finesse ring filter.

Fig. 2.
Fig. 2.

(a) Transmission of the high finesse ring filter, FSR=140 MHz, Δω 7.3 MHz when γ=0.5 and g=1.2. (b) Finesse vs. effective gain in the ring filter.

Fig. 3.
Fig. 3.

Electrical spectra measured at the output of the PD. (a) The spectrum measured when EDF2 is not pumped, and (b) the spectrum measured when EDF2 is weakly pumped.

Fig. 4.
Fig. 4.

Generation of a 20-GHz microwave signal using the proposed fiber laser. (a) The optical spectra measured at a 4-minute interval over a 60-minute period; (b) the electrical spectra measured with RBW=300 kHz; inset: the zoom-in view of the beating signal at SPAN=300 kHz, RBW=4.7 kHz.

Fig. 5.
Fig. 5.

The spectra of (a) the optical signal and (b) the generated electrical signal, with the frequency tuned from 10 to 40 GHz, RBW=100 kHz.

Equations (10)

Equations on this page are rendered with MathJax. Learn more.

[E3E4]=[1γiγiγ1γ][E1E2]
E4=iγE1+1γE2
E2=gejωτE4
E2=igeiωτγ1geiωτ1γE1
E3=1γgeiωτ1geiωτ1γE1
E4=iγ1geiωτ1γE1
T1=E32E12=1γ+g22g1γcosωτ1+g21γ2g1γcosωτ
T2=E42E12=γ1+g21γ2g1γcosωτ
FSR=2πτ
Δ ω=1τcos1[4g1γ1g21γ2g1γ]

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