Abstract

A polarization-independent, multifunctional all-fiber comb filter by using variable ratio coupler (VRC)-based dual-pass Mach–Zehnder interferometer is newly proposed and demonstrated. Depending on the dynamic settings of coupling ratios of the fiber couplers, the comb filter provides the channel spacing tunable, multiwavelength switchable, and flat-top spectral responses. Theoretical calculations are verified by the experimental results. Experimentally, a comb filter with the channel spacing tunable from 0.4 to 0.8 nm was obtained. Meanwhile, when the comb spacing was tuned to 0.8 nm, the multiwavelength switchable operation with both the sinusoid and flat-top spectral responses was achieved. The proposed comb filter may find applications in optical communication systems and tunable multiwavelength fiber lasers.

© 2012 IEEE

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  30. Z. C. Luo, A. P. Luo, W. C. Xu, "Tunable and switchable all-fiber comb filter using a PBS-based two-stage cascaded Mach–Zehnder interferometer," Opt. Commun. 284, 4167-4170 (2011).
  31. A. P. Luo, Z. C. Luo, W. C. Xu, "Multiwavelength switchable erbium-doped fiber ring laser with a PBS-based Mach–Zehnder comb filter," IEEE Photon. J. 3, 197-202 (2011).
  32. A. P. Luo, Z. C. Luo, W. C. Xu, "Wavelength switchable flat-top all-fiber comb filter based on a double-loop Mach–Zehnder interferometer," Opt. Exp. 18, 6056-6063 (2010).
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2011 (5)

Z. C. Luo, A. P. Luo, W. C. Xu, "Tunable and switchable multiwavelength passively mode-locked fiber laser based on SESAM and in-line birefringence comb filter," IEEE Photon. J. 3, 64-70 (2011).

X. Liu, L. Zhan, S. Luo, Y. Wang, Q. Shen, "Individually switchable and widely tunable multiwavelength erbium-doped fiber laser based on cascaded mismatching long-period fiber gratings," J. Lightw. Technol. 29, 3672-3675 (2011).

Y. Zhao, T.-T. Song, Z.-W. Huo, "Tunable optical fiber filter based on a fiber Bragg grating loop mirror," J. Lightw. Technol. 29, 3319-3326 (2011).

Z. C. Luo, A. P. Luo, W. C. Xu, "Tunable and switchable all-fiber comb filter using a PBS-based two-stage cascaded Mach–Zehnder interferometer," Opt. Commun. 284, 4167-4170 (2011).

A. P. Luo, Z. C. Luo, W. C. Xu, "Multiwavelength switchable erbium-doped fiber ring laser with a PBS-based Mach–Zehnder comb filter," IEEE Photon. J. 3, 197-202 (2011).

2010 (2)

A. P. Luo, Z. C. Luo, W. C. Xu, "Wavelength switchable flat-top all-fiber comb filter based on a double-loop Mach–Zehnder interferometer," Opt. Exp. 18, 6056-6063 (2010).

Z. C. Luo, A. P. Luo, W. C. Xu, H. S. Yin, J. R. Liu, Q. Ye, Z. J. Fang, "Tunable multiwavelength passively mode-locked fiber ring laser using intracavity birefringence-induced comb filter," IEEE Photon. J. 2, 571-577 (2010).

2009 (1)

Z. C. Luo, A. P. Luo, W. C. Xu, "Polarization-controlled tunable all-fiber comb filter based on a modified dual-pass Mach–Zehnder interferometer," IEEE Photon. Technol. Lett. 21, 1066-1068 (2009).

2008 (1)

G. Sun, D. S. Moon, A. Lin, W. T. Han, Y. Chung, "Tunable multiwavelength fiber laser using a comb filter based on erbium-ytterbium co-doped polarization maintaining fiber loop mirror," Opt. Exp. 16, 3652-3658 (2008).

2007 (3)

Y. G. Han, F. Fresi, L. Poti, J. H. Lee, X. Dong, "Continuously spacing-tunable multiwavelength semiconductor optical amplifier based fiber ring laser incorporating a superimposed chirped fiber Bragg grating," Opt. Lett. 32, 1032-1034 (2007).

Y. G. Han, J. H. Lee, S. B. Lee, L. Poti, A. Bogoni, "Novel multiwavelength erbium-doped fiber and Raman fiber ring lasers with continuous wavelength spacing tunability at room temperature," J. Lightw. Technol. 25, 2219-2225 (2007).

D. Chen, S. Qin, S. He, "Channel-spacing-tunable multi-wavelength fiber ring laser with hybrid Raman and erbium-doped fiber gains," Opt. Exp. 15, 930-935 (2007).

2006 (4)

S. Roh, S. Chung, Y. W. Lee, I. Yoon, B. Lee, "Channel-spacing- and wavelength-tunable multiwavelength fiber ring laser using semiconductor optical amplifier," IEEE Photon. Technol. Lett. 18, 2302-2304 (2006).

I. Yoon, Y. W. Lee, J. Jung, B. Lee, "Tunable multiwavelength fiber laser employing a comb filter based on a polarization-diversity loop configuration," J. Lightw. Technol. 24, 1805-1811 (2006).

M. P. Fok, C. Shu, W. W. Tang, "A cascadable approach to produce widely selectable spectral spacing in birefringent comb filters," IEEE Photon. Technol. Lett. 18, 1937-1939 (2006).

X. Y. Dong, P. Shum, N. Q. Ngo, C. C. Chan, "Multiwavelength Raman fiber laser with a continuously-tunable spacing," Opt. Exp. 14, 3288-3293 (2006).

2005 (5)

Y. W. Lee, H. T. Kim, J. Jung, B. Lee, "Wavelength-switchable flat-top fiber comb filter based on a Solc type birefringence combination," Opt. Exp. 13, 1039-1048 (2005).

M. P. Fok, K. L. Lee, C. Shu, "Waveband-switchable SOA ring laser constructed with a phase modulator loop mirror filter," IEEE Photon. Technol. Lett. 17, 1393-1395 (2005).

Y. G. Han, G. Kim, J. H. Lee, S. H. Kim, S. B. Lee, "Lasing wavelength and spacing switchable multiwavelength fiber laser from 1510 to 1620 nm," IEEE Photon. Technol. Lett. 17, 989-991 (2005).

J. Magné, P. Giaccari, S. LaRochelle, J. Azaña, L. R. Chen, "All-fiber comb filter with tunable free spectral range," Opt. Lett. 30, 2062-2064 (2005).

N. Q. Ngo, D. Liu, S. C. Tjin, X. Dong, P. Shum, "Thermally switchable and discretely tunable comb filter with a linearly chirped fiber Bragg grating," Opt. Lett. 30, 2994-2996 (2005).

2004 (4)

Y. W. Lee, K. J. Han, J. Jung, B. Lee, "Polarization-independent tunable fiber comb filter," IEEE Photon. Technol. Lett. 16, 2066-2068 (2004).

L. R. Chen, "Tunable multiwavelength fiber ring lasers using a programmable high-birefringence fiber loop mirror," IEEE Photon. Technol. Lett. 16, 410-412 (2004).

C. S. Kim, J. U. Kang, "Multiwavelength switching of Raman fiber ring laser incorporating composite polarization maintaining fiber Lyot–Sagnac filter," Appl. Opt. 43, 3151-3157 (2004).

C. S. Kim, J. U. Kang, "Polarization-independent “Figure-Eight” birefringent Sagnac variable comb-filter/attenuator," IEEE Photon. Technol. Lett. 16, 494-496 (2004).

2003 (1)

Y. W. Lee, K. J. Han, B. Lee, J. Jung, "Polarization-independent all-fiber multiwavelength-switchable filter based on a polarization-diversity loop configuration," Opt. Exp. 11, 3359-3364 (2003).

2002 (2)

R. M. Sova, C. S. Kim, J. U. Kang, "Tunable dual-wavlength all-PM fiber ring laser," IEEE Photon. Technol. Lett. 14, 287-289 (2002).

Y. Lai, W. Zhang, J. A. R. Williams, "All-fibre multichannel flattop filter based on coherent fibre delay line structure," Electron. Lett. 38, 473-475 (2002).

2000 (1)

X.-F. Chen, C.-C. Fan, Y. Luo, S.-Z. Xie, S. Hu, "Novel flat multichannel filter based on strongly chirped sampled fiber Bragg grating," IEEE Photon. Technol. Lett. 12, 1501-1503 (2000).

1999 (2)

L. R. Chen, D. J. E. Cooper, P. W. E. Smith, R. Tam, X. Gu, "Fabrication of transmission filters with single or multiple flattened passbands based on chirped Moire gratings," Electron. Lett. 35, 584-585 (1999).

H. L. An, X. Z. Lin, E. Y. B. Pun, H. D. Liu, "Multi-wavelength operation of an erbium-doped fiber ring laser using a dual-pass Mach–Zehnder comb filter," Opt. Commun. 169, 159-165 (1999).

1995 (1)

1993 (1)

T. Kominato, Y. Hibino, K. Onose, "Silica-based finesse-variable ring resonator," IEEE Photon. Technol. Lett. 5, 560-562 (1993).

Appl. Opt. (1)

Electron. Lett. (2)

Y. Lai, W. Zhang, J. A. R. Williams, "All-fibre multichannel flattop filter based on coherent fibre delay line structure," Electron. Lett. 38, 473-475 (2002).

L. R. Chen, D. J. E. Cooper, P. W. E. Smith, R. Tam, X. Gu, "Fabrication of transmission filters with single or multiple flattened passbands based on chirped Moire gratings," Electron. Lett. 35, 584-585 (1999).

IEEE Photon. Technol. Lett. (3)

C. S. Kim, J. U. Kang, "Polarization-independent “Figure-Eight” birefringent Sagnac variable comb-filter/attenuator," IEEE Photon. Technol. Lett. 16, 494-496 (2004).

M. P. Fok, K. L. Lee, C. Shu, "Waveband-switchable SOA ring laser constructed with a phase modulator loop mirror filter," IEEE Photon. Technol. Lett. 17, 1393-1395 (2005).

Y. G. Han, G. Kim, J. H. Lee, S. H. Kim, S. B. Lee, "Lasing wavelength and spacing switchable multiwavelength fiber laser from 1510 to 1620 nm," IEEE Photon. Technol. Lett. 17, 989-991 (2005).

IEEE Photon. J. (3)

Z. C. Luo, A. P. Luo, W. C. Xu, H. S. Yin, J. R. Liu, Q. Ye, Z. J. Fang, "Tunable multiwavelength passively mode-locked fiber ring laser using intracavity birefringence-induced comb filter," IEEE Photon. J. 2, 571-577 (2010).

Z. C. Luo, A. P. Luo, W. C. Xu, "Tunable and switchable multiwavelength passively mode-locked fiber laser based on SESAM and in-line birefringence comb filter," IEEE Photon. J. 3, 64-70 (2011).

A. P. Luo, Z. C. Luo, W. C. Xu, "Multiwavelength switchable erbium-doped fiber ring laser with a PBS-based Mach–Zehnder comb filter," IEEE Photon. J. 3, 197-202 (2011).

IEEE Photon. Technol. Lett. (1)

X.-F. Chen, C.-C. Fan, Y. Luo, S.-Z. Xie, S. Hu, "Novel flat multichannel filter based on strongly chirped sampled fiber Bragg grating," IEEE Photon. Technol. Lett. 12, 1501-1503 (2000).

IEEE Photon. Technol. Lett. (7)

T. Kominato, Y. Hibino, K. Onose, "Silica-based finesse-variable ring resonator," IEEE Photon. Technol. Lett. 5, 560-562 (1993).

Z. C. Luo, A. P. Luo, W. C. Xu, "Polarization-controlled tunable all-fiber comb filter based on a modified dual-pass Mach–Zehnder interferometer," IEEE Photon. Technol. Lett. 21, 1066-1068 (2009).

L. R. Chen, "Tunable multiwavelength fiber ring lasers using a programmable high-birefringence fiber loop mirror," IEEE Photon. Technol. Lett. 16, 410-412 (2004).

Y. W. Lee, K. J. Han, J. Jung, B. Lee, "Polarization-independent tunable fiber comb filter," IEEE Photon. Technol. Lett. 16, 2066-2068 (2004).

S. Roh, S. Chung, Y. W. Lee, I. Yoon, B. Lee, "Channel-spacing- and wavelength-tunable multiwavelength fiber ring laser using semiconductor optical amplifier," IEEE Photon. Technol. Lett. 18, 2302-2304 (2006).

R. M. Sova, C. S. Kim, J. U. Kang, "Tunable dual-wavlength all-PM fiber ring laser," IEEE Photon. Technol. Lett. 14, 287-289 (2002).

M. P. Fok, C. Shu, W. W. Tang, "A cascadable approach to produce widely selectable spectral spacing in birefringent comb filters," IEEE Photon. Technol. Lett. 18, 1937-1939 (2006).

J. Lightw. Technol. (3)

I. Yoon, Y. W. Lee, J. Jung, B. Lee, "Tunable multiwavelength fiber laser employing a comb filter based on a polarization-diversity loop configuration," J. Lightw. Technol. 24, 1805-1811 (2006).

X. Liu, L. Zhan, S. Luo, Y. Wang, Q. Shen, "Individually switchable and widely tunable multiwavelength erbium-doped fiber laser based on cascaded mismatching long-period fiber gratings," J. Lightw. Technol. 29, 3672-3675 (2011).

Y. Zhao, T.-T. Song, Z.-W. Huo, "Tunable optical fiber filter based on a fiber Bragg grating loop mirror," J. Lightw. Technol. 29, 3319-3326 (2011).

J. Lightw. Technol. (1)

Y. G. Han, J. H. Lee, S. B. Lee, L. Poti, A. Bogoni, "Novel multiwavelength erbium-doped fiber and Raman fiber ring lasers with continuous wavelength spacing tunability at room temperature," J. Lightw. Technol. 25, 2219-2225 (2007).

Opt. Exp. (2)

D. Chen, S. Qin, S. He, "Channel-spacing-tunable multi-wavelength fiber ring laser with hybrid Raman and erbium-doped fiber gains," Opt. Exp. 15, 930-935 (2007).

Y. W. Lee, H. T. Kim, J. Jung, B. Lee, "Wavelength-switchable flat-top fiber comb filter based on a Solc type birefringence combination," Opt. Exp. 13, 1039-1048 (2005).

Opt. Lett. (1)

N. Q. Ngo, D. Liu, S. C. Tjin, X. Dong, P. Shum, "Thermally switchable and discretely tunable comb filter with a linearly chirped fiber Bragg grating," Opt. Lett. 30, 2994-2996 (2005).

Opt. Commun. (2)

H. L. An, X. Z. Lin, E. Y. B. Pun, H. D. Liu, "Multi-wavelength operation of an erbium-doped fiber ring laser using a dual-pass Mach–Zehnder comb filter," Opt. Commun. 169, 159-165 (1999).

Z. C. Luo, A. P. Luo, W. C. Xu, "Tunable and switchable all-fiber comb filter using a PBS-based two-stage cascaded Mach–Zehnder interferometer," Opt. Commun. 284, 4167-4170 (2011).

Opt. Exp. (4)

A. P. Luo, Z. C. Luo, W. C. Xu, "Wavelength switchable flat-top all-fiber comb filter based on a double-loop Mach–Zehnder interferometer," Opt. Exp. 18, 6056-6063 (2010).

X. Y. Dong, P. Shum, N. Q. Ngo, C. C. Chan, "Multiwavelength Raman fiber laser with a continuously-tunable spacing," Opt. Exp. 14, 3288-3293 (2006).

Y. W. Lee, K. J. Han, B. Lee, J. Jung, "Polarization-independent all-fiber multiwavelength-switchable filter based on a polarization-diversity loop configuration," Opt. Exp. 11, 3359-3364 (2003).

G. Sun, D. S. Moon, A. Lin, W. T. Han, Y. Chung, "Tunable multiwavelength fiber laser using a comb filter based on erbium-ytterbium co-doped polarization maintaining fiber loop mirror," Opt. Exp. 16, 3652-3658 (2008).

Opt. Lett. (3)

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