Abstract

The optical characteristics of a tunable flattened-pass-band fiber comb filter, based on the polarization-diversified loop configuration, are investigated using the Poincaré-sphere representation. In the design process, the spectral flatness is checked quantitatively, and the tunability of the pass band is demonstrated experimentally. Theoretical calculations show that the filter also exhibits desirable dispersion and polarization properties. The orientation angles of rotatable wave plates for the wavelength tunability of the filter are obtained. Furthermore, we elaborate on the multiple angle loci produced by degeneracies through the combination of optical elements within the loop of the filter.

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  1. X. T. Hasegawa, K. Inoue, and K. OdaPolarization independent frequency conversion by fiber four-wave mixing with a polarization-diversity techniqueIEEE Photon. Technol. Lett.19935947949
  2. S. Roh, S. Chung, Y. W. Lee, I. Yoon, and B. LeeChannel-spacing and wavelength-tunable multiwavelength fiber ring laser using semiconductor optical amplifierIEEE Photon. Technol. Lett.20061823022304
  3. I. Yoon, Y. W. Lee, J. Jung, and B. LeeTunable multiwavelength fiber laser employing a comb filter based on a polarization-diversity loop configurationJ. Lightw. Technol.20062418051811
  4. Z.-C. Luo, W.-J. Cao, A.-P. Luo, and W.-C. XuPolarization-independent, multifunctional all-fiber comb filter using variable ratio coupler-based Mach-Zehnder interferometerJ. Lightw. Technol.20123018571862
  5. Z.-C. Luo, A.-P. Luo, W.-C. Xu, H.-S. Yin, J.-R. Liu, Q. Ye, and Z.-J. FangTunable multiwavelength passively mode-locked fiber ring laser using intracavity birefringence-induced comb filterIEEE Photon. J.20102571577
  6. H.-Y. Jiang, L.-S. Yan, J. Ye, W. Pan, B. Luo, and X.-H. ZouPolarization-diversified photonic comb filter with independently tunable free spectrum rangeOpt. Lett.20143949704973
  7. L. R. ChenTunable multiwavelength fiber ring lasers using a programmable high-birefringence fiber loop mirrorIEEE Photon. Technol. Lett.200416410412
  8. C. S. Kim and J. U. KangMultiwavelength switching of Raman fiber ring laser incorporating composite polarization maintaining fiber Lyot-Sagnac filterAppl. Opt.20044331513157
  9. C. S. Kim and J. U. KangPolarization-independent “Figure-Eight” birefringent Sagnac variable comb-filter/attenuatorIEEE Photon. Technol. Lett.200416494496
  10. M. P. Fok, K. L. Lee, and C. ShuWaveband-switchable SOA ring laser constructed with a phase modulator loop mirror filterIEEE Photon. Technol. Lett.20051713931395
  11. Y. G. Han, G. Kim, J. H. Lee, S. H. Kim, and S. B. LeeLasing wavelength and spacing switchable multiwavelength fiber laser from 1510 to 1620 nmIEEE Photon. Technol. Lett.200517989991
  12. G. Sun, D. S. Moon, A. Lin, W. T. Han, and Y. ChungTunable multiwavelength fiber laser using a comb filter based on erbium-ytterbium co-doped polarization maintaining fiber loop mirrorOpt. Express20081636523658
  13. A.-P. Luo, Z.-C. Luo, W.-C. Xu, and H. CuiWavelength switchable flat-top all-fiber comb filter based on a double-loop Mach- Zehnder interferometerOpt. Express20101860566063
  14. J.-J. Guo, Y. Yang, and G.-D. PengAnalysis of polarization-independent tunable optical comb filter by cascading MZI and phase modulating Sagnac loopOpt. Commun.201128451445147
  15. Y. Zhao, T.-T. Song, and Z.-W. HuoTunable optical fiber filter based on a fiber Bragg grating loop mirrorJ. Lightw. Technol.20112936723675
  16. X. Liu, L. Zhan, S. Luo, Y. Wang, and Q. ShenIndividually switchable and widely tunable multiwavelength erbium-doped fiber laser based on cascaded mismatching longperiod fiber gratingsJ. Lightw. Technol.20112933193326
  17. Y. W. Lee, K. J. Han, J. Jung, and B. LeePolarization-independent tunable fiber comb filterIEEE Photon. Technol. Lett.20041620662068
  18. J. Jung and Y. W. LeeTunable fiber comb filter based on simple waveplate combination and polarization-diversified loopOpt. Laser Technol.2017916370
  19. Y. W. Lee, J. Jung, and B. LeeWavelength-switchable flat-top fiber comb filter based on a Solc type birefringence combinationOpt. Express20051310391048
  20. S. Jo, Y. Kim, and Y. W. LeeStudy on transmission and output polarization characteristics of a first-order Lyot-type fiber comb filter using polarization-diversity loopIEEE Photon. J.201577801015
  21. J. Jung and Y. W. LeeContinuously wavelength-tunable passband-flattened fiber comb filter based on polarization-diversified loop structureSci. Rep.201778311
  22. Y. W. Lee and J. JungSimplified tunable fiber comb filter based on polarization-diversity loop configurationOpt. Eng.201756026113
  23. C. Lee, R. Lee, and Y. KaoDesign of multichannel DWDM fiber Bragg grating filters by Lagrange multiplier constrained optimizationOpt. Express2006141100211011

Other (23)

X. T. Hasegawa, K. Inoue, and K. OdaPolarization independent frequency conversion by fiber four-wave mixing with a polarization-diversity techniqueIEEE Photon. Technol. Lett.19935947949

S. Roh, S. Chung, Y. W. Lee, I. Yoon, and B. LeeChannel-spacing and wavelength-tunable multiwavelength fiber ring laser using semiconductor optical amplifierIEEE Photon. Technol. Lett.20061823022304

I. Yoon, Y. W. Lee, J. Jung, and B. LeeTunable multiwavelength fiber laser employing a comb filter based on a polarization-diversity loop configurationJ. Lightw. Technol.20062418051811

Z.-C. Luo, W.-J. Cao, A.-P. Luo, and W.-C. XuPolarization-independent, multifunctional all-fiber comb filter using variable ratio coupler-based Mach-Zehnder interferometerJ. Lightw. Technol.20123018571862

Z.-C. Luo, A.-P. Luo, W.-C. Xu, H.-S. Yin, J.-R. Liu, Q. Ye, and Z.-J. FangTunable multiwavelength passively mode-locked fiber ring laser using intracavity birefringence-induced comb filterIEEE Photon. J.20102571577

H.-Y. Jiang, L.-S. Yan, J. Ye, W. Pan, B. Luo, and X.-H. ZouPolarization-diversified photonic comb filter with independently tunable free spectrum rangeOpt. Lett.20143949704973

L. R. ChenTunable multiwavelength fiber ring lasers using a programmable high-birefringence fiber loop mirrorIEEE Photon. Technol. Lett.200416410412

C. S. Kim and J. U. KangMultiwavelength switching of Raman fiber ring laser incorporating composite polarization maintaining fiber Lyot-Sagnac filterAppl. Opt.20044331513157

C. S. Kim and J. U. KangPolarization-independent “Figure-Eight” birefringent Sagnac variable comb-filter/attenuatorIEEE Photon. Technol. Lett.200416494496

M. P. Fok, K. L. Lee, and C. ShuWaveband-switchable SOA ring laser constructed with a phase modulator loop mirror filterIEEE Photon. Technol. Lett.20051713931395

Y. G. Han, G. Kim, J. H. Lee, S. H. Kim, and S. B. LeeLasing wavelength and spacing switchable multiwavelength fiber laser from 1510 to 1620 nmIEEE Photon. Technol. Lett.200517989991

G. Sun, D. S. Moon, A. Lin, W. T. Han, and Y. ChungTunable multiwavelength fiber laser using a comb filter based on erbium-ytterbium co-doped polarization maintaining fiber loop mirrorOpt. Express20081636523658

A.-P. Luo, Z.-C. Luo, W.-C. Xu, and H. CuiWavelength switchable flat-top all-fiber comb filter based on a double-loop Mach- Zehnder interferometerOpt. Express20101860566063

J.-J. Guo, Y. Yang, and G.-D. PengAnalysis of polarization-independent tunable optical comb filter by cascading MZI and phase modulating Sagnac loopOpt. Commun.201128451445147

Y. Zhao, T.-T. Song, and Z.-W. HuoTunable optical fiber filter based on a fiber Bragg grating loop mirrorJ. Lightw. Technol.20112936723675

X. Liu, L. Zhan, S. Luo, Y. Wang, and Q. ShenIndividually switchable and widely tunable multiwavelength erbium-doped fiber laser based on cascaded mismatching longperiod fiber gratingsJ. Lightw. Technol.20112933193326

Y. W. Lee, K. J. Han, J. Jung, and B. LeePolarization-independent tunable fiber comb filterIEEE Photon. Technol. Lett.20041620662068

J. Jung and Y. W. LeeTunable fiber comb filter based on simple waveplate combination and polarization-diversified loopOpt. Laser Technol.2017916370

Y. W. Lee, J. Jung, and B. LeeWavelength-switchable flat-top fiber comb filter based on a Solc type birefringence combinationOpt. Express20051310391048

S. Jo, Y. Kim, and Y. W. LeeStudy on transmission and output polarization characteristics of a first-order Lyot-type fiber comb filter using polarization-diversity loopIEEE Photon. J.201577801015

J. Jung and Y. W. LeeContinuously wavelength-tunable passband-flattened fiber comb filter based on polarization-diversified loop structureSci. Rep.201778311

Y. W. Lee and J. JungSimplified tunable fiber comb filter based on polarization-diversity loop configurationOpt. Eng.201756026113

C. Lee, R. Lee, and Y. KaoDesign of multichannel DWDM fiber Bragg grating filters by Lagrange multiplier constrained optimizationOpt. Express2006141100211011

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