Abstract

In this paper, a novel intermodulation-compensation optical receiver based on the bias-modulated photo detector (PD) is proposed and demonstrated to eliminate the third-order intermodulation (IMD3) for the intensity-modulation direct-detection (IMDD) analog photonic link. We directly extract the key nonlinear distortion from the distorted optical intensity by a low-pass optical receiver, which is used to modulate the home-made, high-speed PD with bias modulation. Inside the high speed PD, the distorted radio frequency (RF) band is mixed with the above extracted baseband signal, and the IMD3 elimination can be achieved. Our proposal is theoretically analyzed, and the performance of the bias-modulated PD is experimentally demonstrated. Spurious-free dynamic range (SFDR) of 123.4 dB within 1-Hz bandwidth is obtained with 18.1 dB improvement. A low-biased Mach-Zehnder modulator (MZM) is used, keeping a simple transmitter with an improved link gain. The proposed post linearization requires no digital processing, avoiding the high quantization noise.

© 2015 Optical Society of America

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References

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  1. A. Seeds, “Microwave photonics,” IEEE Trans. Microw. Theory Tech. 50(3), 877–887 (2002).
    [Crossref]
  2. J. Capmany and D. Novak, “Microwave photonics combines two worlds,” Nat. Photonics 1(6), 319–330 (2007).
    [Crossref]
  3. V. J. Urick, “Long-haul analog links tutorial,” in Proc. OFC/NFOEC, 1–39 (2010).
  4. C. Cox, E. Ackerman, G. Betts, and J. Prince, “Limits on the performance of RF-over-fiber links and their impact on device design,” IEEE Trans. Microw. Theory Tech. 54(2), 906–920 (2006).
    [Crossref]
  5. V. J. Urick, J. F. Diehl, M. N. Draa, J. D. McKinney, and K. J. Williams, “Wideband analog photonic links: some performance limits and considerations for multi-octave implementations,” Proc. SPIE 8259, 825904 (2012).
    [Crossref]
  6. V. J. Urick, M. S. Rogge, P. F. Knapp, L. Swingen, and F. Bucholtz, “Wide-band predistortion linearization for externally modulated long-haul analog fiber-optic links,” IEEE Trans. Microw. Theory Tech. 54(4), 1458–1463 (2006).
    [Crossref]
  7. A. Karim and J. Devenport, “Low noise figure microwave photonic link,” in Proc. IEEE MTT-S Int. Microw. Symp., 1519–1522 (2007).
  8. A. Karim and J. Devenport, “High dynamic range microwave photonic links for RF signal transport and RF-IF conversion,” J. Lightwave Technol. 26(15), 2718–2724 (2008).
    [Crossref]
  9. G. Zhu, W. Liu, and H. R. Fetterman, “A broadband linearized coherent analog fiber-optic link employing dual parallel Mach–Zehnder modulators,” IEEE Photon. Technol. Lett. 21(21), 1627–1629 (2009).
    [Crossref]
  10. Y. Cui, Y. Dai, F. Yin, J. Dai, K. Xu, J. Li, and J. Lin, “Intermodulation distortion suppression for intensity-modulated analog fiber-optic link incorporating optical carrier band processing,” Opt. Express 21(20), 23433–23440 (2013).
    [Crossref] [PubMed]
  11. Q. Lv, K. Xu, Y. Dai, Y. Li, J. Wu, and J. Lin, “I/Q intensity-demodulation analog photonic link based on polarization modulator,” Opt. Lett. 36(23), 4602–4604 (2011).
    [Crossref] [PubMed]
  12. T. R. Clark and M. L. Dennis, “DSP-based highly linear Microwave photonic Link,” Microwave Symposium Digest, 1507–1510 (2007).
  13. T. R. Clark, S. R. O’Connor, and M. L. Dennis, “A phase-modulation I/Q-demodulation microwave-to-digital photonic link,” IEEE Trans. Microw. Theory Tech. 58(11), 3039–3058 (2010).
    [Crossref]
  14. P. Li, R. Shi, M. Chen, H. Chen, S. Yang, and S. Xie, “Linearized photonic IF downconversion of analog microwave signals based on balanced detection and digital signal post-processing,” in Proceedings of International Topical Meeting on Microwave Photonics, 68–71 (2012).
    [Crossref]
  15. Y. Cui, Y. Dai, F. Yin, Q. Lv, J. Li, K. Xu, and J. Lin, “Enhanced spurious-free dynamic range in intensity-modulated analog photonic link using digital post-processing,” IEEE Photonics J. 6(2), 1–8 (2014).
    [Crossref]
  16. Y. Dai, Y. Cui, X. Liang, F. Yin, J. Li, K. Xu, and J. Lin, “Performance improvement in analog photonics link incorporating digital post-compensation and low-noise electrical amplifier,” IEEE Photonics J. 6(4), 5500807 (2014).
  17. A. Fard, S. Gupta, and B. Jalali, “Digital broadband linearization technique and its application to photonic time-stretch analog-to-digital converter,” Opt. Lett. 36(7), 1077–1079 (2011).
    [Crossref] [PubMed]
  18. D. Lam, A. M. Fard, B. Buckley, and B. Jalali, “Digital broadband linearization of optical links,” Opt. Lett. 38(4), 446–448 (2013).
    [Crossref] [PubMed]
  19. A. Hirata, T. Furuta, H. Ito, and T. Nagatsuma, “10-Gb/s millimeter-wave signal generation using photodiode bias modulation,” J. Lightwave Technol. 24(4), 1725–1731 (2006).
    [Crossref]
  20. A. Hirata, M. Harada, K. Sato, and T. Naganuma, “Millimeter-wavephotonic wireless link using low-cost generation and modulation techniques,” Microwave Photonics MWP 2002, 37–40 (2002).
    [Crossref]
  21. http://www.pharad.com/ultra-compact-dither-free-modulator-bias-controller.html#

2014 (2)

Y. Cui, Y. Dai, F. Yin, Q. Lv, J. Li, K. Xu, and J. Lin, “Enhanced spurious-free dynamic range in intensity-modulated analog photonic link using digital post-processing,” IEEE Photonics J. 6(2), 1–8 (2014).
[Crossref]

Y. Dai, Y. Cui, X. Liang, F. Yin, J. Li, K. Xu, and J. Lin, “Performance improvement in analog photonics link incorporating digital post-compensation and low-noise electrical amplifier,” IEEE Photonics J. 6(4), 5500807 (2014).

2013 (2)

2012 (1)

V. J. Urick, J. F. Diehl, M. N. Draa, J. D. McKinney, and K. J. Williams, “Wideband analog photonic links: some performance limits and considerations for multi-octave implementations,” Proc. SPIE 8259, 825904 (2012).
[Crossref]

2011 (2)

2010 (1)

T. R. Clark, S. R. O’Connor, and M. L. Dennis, “A phase-modulation I/Q-demodulation microwave-to-digital photonic link,” IEEE Trans. Microw. Theory Tech. 58(11), 3039–3058 (2010).
[Crossref]

2009 (1)

G. Zhu, W. Liu, and H. R. Fetterman, “A broadband linearized coherent analog fiber-optic link employing dual parallel Mach–Zehnder modulators,” IEEE Photon. Technol. Lett. 21(21), 1627–1629 (2009).
[Crossref]

2008 (1)

2007 (1)

J. Capmany and D. Novak, “Microwave photonics combines two worlds,” Nat. Photonics 1(6), 319–330 (2007).
[Crossref]

2006 (3)

C. Cox, E. Ackerman, G. Betts, and J. Prince, “Limits on the performance of RF-over-fiber links and their impact on device design,” IEEE Trans. Microw. Theory Tech. 54(2), 906–920 (2006).
[Crossref]

V. J. Urick, M. S. Rogge, P. F. Knapp, L. Swingen, and F. Bucholtz, “Wide-band predistortion linearization for externally modulated long-haul analog fiber-optic links,” IEEE Trans. Microw. Theory Tech. 54(4), 1458–1463 (2006).
[Crossref]

A. Hirata, T. Furuta, H. Ito, and T. Nagatsuma, “10-Gb/s millimeter-wave signal generation using photodiode bias modulation,” J. Lightwave Technol. 24(4), 1725–1731 (2006).
[Crossref]

2002 (2)

A. Hirata, M. Harada, K. Sato, and T. Naganuma, “Millimeter-wavephotonic wireless link using low-cost generation and modulation techniques,” Microwave Photonics MWP 2002, 37–40 (2002).
[Crossref]

A. Seeds, “Microwave photonics,” IEEE Trans. Microw. Theory Tech. 50(3), 877–887 (2002).
[Crossref]

Ackerman, E.

C. Cox, E. Ackerman, G. Betts, and J. Prince, “Limits on the performance of RF-over-fiber links and their impact on device design,” IEEE Trans. Microw. Theory Tech. 54(2), 906–920 (2006).
[Crossref]

Betts, G.

C. Cox, E. Ackerman, G. Betts, and J. Prince, “Limits on the performance of RF-over-fiber links and their impact on device design,” IEEE Trans. Microw. Theory Tech. 54(2), 906–920 (2006).
[Crossref]

Bucholtz, F.

V. J. Urick, M. S. Rogge, P. F. Knapp, L. Swingen, and F. Bucholtz, “Wide-band predistortion linearization for externally modulated long-haul analog fiber-optic links,” IEEE Trans. Microw. Theory Tech. 54(4), 1458–1463 (2006).
[Crossref]

Buckley, B.

Capmany, J.

J. Capmany and D. Novak, “Microwave photonics combines two worlds,” Nat. Photonics 1(6), 319–330 (2007).
[Crossref]

Chen, H.

P. Li, R. Shi, M. Chen, H. Chen, S. Yang, and S. Xie, “Linearized photonic IF downconversion of analog microwave signals based on balanced detection and digital signal post-processing,” in Proceedings of International Topical Meeting on Microwave Photonics, 68–71 (2012).
[Crossref]

Chen, M.

P. Li, R. Shi, M. Chen, H. Chen, S. Yang, and S. Xie, “Linearized photonic IF downconversion of analog microwave signals based on balanced detection and digital signal post-processing,” in Proceedings of International Topical Meeting on Microwave Photonics, 68–71 (2012).
[Crossref]

Clark, T. R.

T. R. Clark, S. R. O’Connor, and M. L. Dennis, “A phase-modulation I/Q-demodulation microwave-to-digital photonic link,” IEEE Trans. Microw. Theory Tech. 58(11), 3039–3058 (2010).
[Crossref]

T. R. Clark and M. L. Dennis, “DSP-based highly linear Microwave photonic Link,” Microwave Symposium Digest, 1507–1510 (2007).

Cox, C.

C. Cox, E. Ackerman, G. Betts, and J. Prince, “Limits on the performance of RF-over-fiber links and their impact on device design,” IEEE Trans. Microw. Theory Tech. 54(2), 906–920 (2006).
[Crossref]

Cui, Y.

Y. Cui, Y. Dai, F. Yin, Q. Lv, J. Li, K. Xu, and J. Lin, “Enhanced spurious-free dynamic range in intensity-modulated analog photonic link using digital post-processing,” IEEE Photonics J. 6(2), 1–8 (2014).
[Crossref]

Y. Dai, Y. Cui, X. Liang, F. Yin, J. Li, K. Xu, and J. Lin, “Performance improvement in analog photonics link incorporating digital post-compensation and low-noise electrical amplifier,” IEEE Photonics J. 6(4), 5500807 (2014).

Y. Cui, Y. Dai, F. Yin, J. Dai, K. Xu, J. Li, and J. Lin, “Intermodulation distortion suppression for intensity-modulated analog fiber-optic link incorporating optical carrier band processing,” Opt. Express 21(20), 23433–23440 (2013).
[Crossref] [PubMed]

Dai, J.

Dai, Y.

Y. Dai, Y. Cui, X. Liang, F. Yin, J. Li, K. Xu, and J. Lin, “Performance improvement in analog photonics link incorporating digital post-compensation and low-noise electrical amplifier,” IEEE Photonics J. 6(4), 5500807 (2014).

Y. Cui, Y. Dai, F. Yin, Q. Lv, J. Li, K. Xu, and J. Lin, “Enhanced spurious-free dynamic range in intensity-modulated analog photonic link using digital post-processing,” IEEE Photonics J. 6(2), 1–8 (2014).
[Crossref]

Y. Cui, Y. Dai, F. Yin, J. Dai, K. Xu, J. Li, and J. Lin, “Intermodulation distortion suppression for intensity-modulated analog fiber-optic link incorporating optical carrier band processing,” Opt. Express 21(20), 23433–23440 (2013).
[Crossref] [PubMed]

Q. Lv, K. Xu, Y. Dai, Y. Li, J. Wu, and J. Lin, “I/Q intensity-demodulation analog photonic link based on polarization modulator,” Opt. Lett. 36(23), 4602–4604 (2011).
[Crossref] [PubMed]

Dennis, M. L.

T. R. Clark, S. R. O’Connor, and M. L. Dennis, “A phase-modulation I/Q-demodulation microwave-to-digital photonic link,” IEEE Trans. Microw. Theory Tech. 58(11), 3039–3058 (2010).
[Crossref]

T. R. Clark and M. L. Dennis, “DSP-based highly linear Microwave photonic Link,” Microwave Symposium Digest, 1507–1510 (2007).

Devenport, J.

A. Karim and J. Devenport, “High dynamic range microwave photonic links for RF signal transport and RF-IF conversion,” J. Lightwave Technol. 26(15), 2718–2724 (2008).
[Crossref]

A. Karim and J. Devenport, “Low noise figure microwave photonic link,” in Proc. IEEE MTT-S Int. Microw. Symp., 1519–1522 (2007).

Diehl, J. F.

V. J. Urick, J. F. Diehl, M. N. Draa, J. D. McKinney, and K. J. Williams, “Wideband analog photonic links: some performance limits and considerations for multi-octave implementations,” Proc. SPIE 8259, 825904 (2012).
[Crossref]

Draa, M. N.

V. J. Urick, J. F. Diehl, M. N. Draa, J. D. McKinney, and K. J. Williams, “Wideband analog photonic links: some performance limits and considerations for multi-octave implementations,” Proc. SPIE 8259, 825904 (2012).
[Crossref]

Fard, A.

Fard, A. M.

Fetterman, H. R.

G. Zhu, W. Liu, and H. R. Fetterman, “A broadband linearized coherent analog fiber-optic link employing dual parallel Mach–Zehnder modulators,” IEEE Photon. Technol. Lett. 21(21), 1627–1629 (2009).
[Crossref]

Furuta, T.

Gupta, S.

Harada, M.

A. Hirata, M. Harada, K. Sato, and T. Naganuma, “Millimeter-wavephotonic wireless link using low-cost generation and modulation techniques,” Microwave Photonics MWP 2002, 37–40 (2002).
[Crossref]

Hirata, A.

A. Hirata, T. Furuta, H. Ito, and T. Nagatsuma, “10-Gb/s millimeter-wave signal generation using photodiode bias modulation,” J. Lightwave Technol. 24(4), 1725–1731 (2006).
[Crossref]

A. Hirata, M. Harada, K. Sato, and T. Naganuma, “Millimeter-wavephotonic wireless link using low-cost generation and modulation techniques,” Microwave Photonics MWP 2002, 37–40 (2002).
[Crossref]

Ito, H.

Jalali, B.

Karim, A.

A. Karim and J. Devenport, “High dynamic range microwave photonic links for RF signal transport and RF-IF conversion,” J. Lightwave Technol. 26(15), 2718–2724 (2008).
[Crossref]

A. Karim and J. Devenport, “Low noise figure microwave photonic link,” in Proc. IEEE MTT-S Int. Microw. Symp., 1519–1522 (2007).

Knapp, P. F.

V. J. Urick, M. S. Rogge, P. F. Knapp, L. Swingen, and F. Bucholtz, “Wide-band predistortion linearization for externally modulated long-haul analog fiber-optic links,” IEEE Trans. Microw. Theory Tech. 54(4), 1458–1463 (2006).
[Crossref]

Lam, D.

Li, J.

Y. Dai, Y. Cui, X. Liang, F. Yin, J. Li, K. Xu, and J. Lin, “Performance improvement in analog photonics link incorporating digital post-compensation and low-noise electrical amplifier,” IEEE Photonics J. 6(4), 5500807 (2014).

Y. Cui, Y. Dai, F. Yin, Q. Lv, J. Li, K. Xu, and J. Lin, “Enhanced spurious-free dynamic range in intensity-modulated analog photonic link using digital post-processing,” IEEE Photonics J. 6(2), 1–8 (2014).
[Crossref]

Y. Cui, Y. Dai, F. Yin, J. Dai, K. Xu, J. Li, and J. Lin, “Intermodulation distortion suppression for intensity-modulated analog fiber-optic link incorporating optical carrier band processing,” Opt. Express 21(20), 23433–23440 (2013).
[Crossref] [PubMed]

Li, P.

P. Li, R. Shi, M. Chen, H. Chen, S. Yang, and S. Xie, “Linearized photonic IF downconversion of analog microwave signals based on balanced detection and digital signal post-processing,” in Proceedings of International Topical Meeting on Microwave Photonics, 68–71 (2012).
[Crossref]

Li, Y.

Liang, X.

Y. Dai, Y. Cui, X. Liang, F. Yin, J. Li, K. Xu, and J. Lin, “Performance improvement in analog photonics link incorporating digital post-compensation and low-noise electrical amplifier,” IEEE Photonics J. 6(4), 5500807 (2014).

Lin, J.

Y. Dai, Y. Cui, X. Liang, F. Yin, J. Li, K. Xu, and J. Lin, “Performance improvement in analog photonics link incorporating digital post-compensation and low-noise electrical amplifier,” IEEE Photonics J. 6(4), 5500807 (2014).

Y. Cui, Y. Dai, F. Yin, Q. Lv, J. Li, K. Xu, and J. Lin, “Enhanced spurious-free dynamic range in intensity-modulated analog photonic link using digital post-processing,” IEEE Photonics J. 6(2), 1–8 (2014).
[Crossref]

Y. Cui, Y. Dai, F. Yin, J. Dai, K. Xu, J. Li, and J. Lin, “Intermodulation distortion suppression for intensity-modulated analog fiber-optic link incorporating optical carrier band processing,” Opt. Express 21(20), 23433–23440 (2013).
[Crossref] [PubMed]

Q. Lv, K. Xu, Y. Dai, Y. Li, J. Wu, and J. Lin, “I/Q intensity-demodulation analog photonic link based on polarization modulator,” Opt. Lett. 36(23), 4602–4604 (2011).
[Crossref] [PubMed]

Liu, W.

G. Zhu, W. Liu, and H. R. Fetterman, “A broadband linearized coherent analog fiber-optic link employing dual parallel Mach–Zehnder modulators,” IEEE Photon. Technol. Lett. 21(21), 1627–1629 (2009).
[Crossref]

Lv, Q.

Y. Cui, Y. Dai, F. Yin, Q. Lv, J. Li, K. Xu, and J. Lin, “Enhanced spurious-free dynamic range in intensity-modulated analog photonic link using digital post-processing,” IEEE Photonics J. 6(2), 1–8 (2014).
[Crossref]

Q. Lv, K. Xu, Y. Dai, Y. Li, J. Wu, and J. Lin, “I/Q intensity-demodulation analog photonic link based on polarization modulator,” Opt. Lett. 36(23), 4602–4604 (2011).
[Crossref] [PubMed]

McKinney, J. D.

V. J. Urick, J. F. Diehl, M. N. Draa, J. D. McKinney, and K. J. Williams, “Wideband analog photonic links: some performance limits and considerations for multi-octave implementations,” Proc. SPIE 8259, 825904 (2012).
[Crossref]

Naganuma, T.

A. Hirata, M. Harada, K. Sato, and T. Naganuma, “Millimeter-wavephotonic wireless link using low-cost generation and modulation techniques,” Microwave Photonics MWP 2002, 37–40 (2002).
[Crossref]

Nagatsuma, T.

Novak, D.

J. Capmany and D. Novak, “Microwave photonics combines two worlds,” Nat. Photonics 1(6), 319–330 (2007).
[Crossref]

O’Connor, S. R.

T. R. Clark, S. R. O’Connor, and M. L. Dennis, “A phase-modulation I/Q-demodulation microwave-to-digital photonic link,” IEEE Trans. Microw. Theory Tech. 58(11), 3039–3058 (2010).
[Crossref]

Prince, J.

C. Cox, E. Ackerman, G. Betts, and J. Prince, “Limits on the performance of RF-over-fiber links and their impact on device design,” IEEE Trans. Microw. Theory Tech. 54(2), 906–920 (2006).
[Crossref]

Rogge, M. S.

V. J. Urick, M. S. Rogge, P. F. Knapp, L. Swingen, and F. Bucholtz, “Wide-band predistortion linearization for externally modulated long-haul analog fiber-optic links,” IEEE Trans. Microw. Theory Tech. 54(4), 1458–1463 (2006).
[Crossref]

Sato, K.

A. Hirata, M. Harada, K. Sato, and T. Naganuma, “Millimeter-wavephotonic wireless link using low-cost generation and modulation techniques,” Microwave Photonics MWP 2002, 37–40 (2002).
[Crossref]

Seeds, A.

A. Seeds, “Microwave photonics,” IEEE Trans. Microw. Theory Tech. 50(3), 877–887 (2002).
[Crossref]

Shi, R.

P. Li, R. Shi, M. Chen, H. Chen, S. Yang, and S. Xie, “Linearized photonic IF downconversion of analog microwave signals based on balanced detection and digital signal post-processing,” in Proceedings of International Topical Meeting on Microwave Photonics, 68–71 (2012).
[Crossref]

Swingen, L.

V. J. Urick, M. S. Rogge, P. F. Knapp, L. Swingen, and F. Bucholtz, “Wide-band predistortion linearization for externally modulated long-haul analog fiber-optic links,” IEEE Trans. Microw. Theory Tech. 54(4), 1458–1463 (2006).
[Crossref]

Urick, V. J.

V. J. Urick, J. F. Diehl, M. N. Draa, J. D. McKinney, and K. J. Williams, “Wideband analog photonic links: some performance limits and considerations for multi-octave implementations,” Proc. SPIE 8259, 825904 (2012).
[Crossref]

V. J. Urick, M. S. Rogge, P. F. Knapp, L. Swingen, and F. Bucholtz, “Wide-band predistortion linearization for externally modulated long-haul analog fiber-optic links,” IEEE Trans. Microw. Theory Tech. 54(4), 1458–1463 (2006).
[Crossref]

Williams, K. J.

V. J. Urick, J. F. Diehl, M. N. Draa, J. D. McKinney, and K. J. Williams, “Wideband analog photonic links: some performance limits and considerations for multi-octave implementations,” Proc. SPIE 8259, 825904 (2012).
[Crossref]

Wu, J.

Xie, S.

P. Li, R. Shi, M. Chen, H. Chen, S. Yang, and S. Xie, “Linearized photonic IF downconversion of analog microwave signals based on balanced detection and digital signal post-processing,” in Proceedings of International Topical Meeting on Microwave Photonics, 68–71 (2012).
[Crossref]

Xu, K.

Y. Cui, Y. Dai, F. Yin, Q. Lv, J. Li, K. Xu, and J. Lin, “Enhanced spurious-free dynamic range in intensity-modulated analog photonic link using digital post-processing,” IEEE Photonics J. 6(2), 1–8 (2014).
[Crossref]

Y. Dai, Y. Cui, X. Liang, F. Yin, J. Li, K. Xu, and J. Lin, “Performance improvement in analog photonics link incorporating digital post-compensation and low-noise electrical amplifier,” IEEE Photonics J. 6(4), 5500807 (2014).

Y. Cui, Y. Dai, F. Yin, J. Dai, K. Xu, J. Li, and J. Lin, “Intermodulation distortion suppression for intensity-modulated analog fiber-optic link incorporating optical carrier band processing,” Opt. Express 21(20), 23433–23440 (2013).
[Crossref] [PubMed]

Q. Lv, K. Xu, Y. Dai, Y. Li, J. Wu, and J. Lin, “I/Q intensity-demodulation analog photonic link based on polarization modulator,” Opt. Lett. 36(23), 4602–4604 (2011).
[Crossref] [PubMed]

Yang, S.

P. Li, R. Shi, M. Chen, H. Chen, S. Yang, and S. Xie, “Linearized photonic IF downconversion of analog microwave signals based on balanced detection and digital signal post-processing,” in Proceedings of International Topical Meeting on Microwave Photonics, 68–71 (2012).
[Crossref]

Yin, F.

Y. Cui, Y. Dai, F. Yin, Q. Lv, J. Li, K. Xu, and J. Lin, “Enhanced spurious-free dynamic range in intensity-modulated analog photonic link using digital post-processing,” IEEE Photonics J. 6(2), 1–8 (2014).
[Crossref]

Y. Dai, Y. Cui, X. Liang, F. Yin, J. Li, K. Xu, and J. Lin, “Performance improvement in analog photonics link incorporating digital post-compensation and low-noise electrical amplifier,” IEEE Photonics J. 6(4), 5500807 (2014).

Y. Cui, Y. Dai, F. Yin, J. Dai, K. Xu, J. Li, and J. Lin, “Intermodulation distortion suppression for intensity-modulated analog fiber-optic link incorporating optical carrier band processing,” Opt. Express 21(20), 23433–23440 (2013).
[Crossref] [PubMed]

Zhu, G.

G. Zhu, W. Liu, and H. R. Fetterman, “A broadband linearized coherent analog fiber-optic link employing dual parallel Mach–Zehnder modulators,” IEEE Photon. Technol. Lett. 21(21), 1627–1629 (2009).
[Crossref]

IEEE Photon. Technol. Lett. (1)

G. Zhu, W. Liu, and H. R. Fetterman, “A broadband linearized coherent analog fiber-optic link employing dual parallel Mach–Zehnder modulators,” IEEE Photon. Technol. Lett. 21(21), 1627–1629 (2009).
[Crossref]

IEEE Photonics J. (2)

Y. Cui, Y. Dai, F. Yin, Q. Lv, J. Li, K. Xu, and J. Lin, “Enhanced spurious-free dynamic range in intensity-modulated analog photonic link using digital post-processing,” IEEE Photonics J. 6(2), 1–8 (2014).
[Crossref]

Y. Dai, Y. Cui, X. Liang, F. Yin, J. Li, K. Xu, and J. Lin, “Performance improvement in analog photonics link incorporating digital post-compensation and low-noise electrical amplifier,” IEEE Photonics J. 6(4), 5500807 (2014).

IEEE Trans. Microw. Theory Tech. (4)

V. J. Urick, M. S. Rogge, P. F. Knapp, L. Swingen, and F. Bucholtz, “Wide-band predistortion linearization for externally modulated long-haul analog fiber-optic links,” IEEE Trans. Microw. Theory Tech. 54(4), 1458–1463 (2006).
[Crossref]

T. R. Clark, S. R. O’Connor, and M. L. Dennis, “A phase-modulation I/Q-demodulation microwave-to-digital photonic link,” IEEE Trans. Microw. Theory Tech. 58(11), 3039–3058 (2010).
[Crossref]

A. Seeds, “Microwave photonics,” IEEE Trans. Microw. Theory Tech. 50(3), 877–887 (2002).
[Crossref]

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Figures (6)

Fig. 1
Fig. 1 The schematic diagram of the proposed post linearized IMDD link based on the intermodulation-compensation optical receiver.
Fig. 2
Fig. 2 Experimental setup for the proposed IMD3-compensation receiver and the corresponding IMDD link.
Fig. 3
Fig. 3 Dependence of the PD output power on its DC bias voltage as well as the input RF frequency.
Fig. 4
Fig. 4 Dependence of the output intermodulation power on its input AC bias frequency under different DC bias voltages.
Fig. 5
Fig. 5 (a) Received signal spectrum before linearization; (b) Received signal spectrum after linearization.
Fig. 6
Fig. 6 Measured fundamental and intermodulation components versus the input RF power (a) before and (b) after linearization.

Equations (3)

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y 0 ( t )= a 0 + a 2 2 A 2 ( t ), and y 1 ( t )=[ a 1 + 3 a 3 4 A 2 ( t ) ]A( t )cos[ ω RF t+ϕ( t ) ]
y 1 = y 1 y 0 a 0 a 1 A( t )cos[ ω RF t+ϕ( t ) ] +( a 1 A( t ) a 2 2 A 2 ( t )+ a 0 3 a 3 4 A 3 ( t ) )cos[ ω RF t+ϕ( t ) ] = a 0 a 1 A( t )cos[ ω RF t+ϕ( t ) ]
a 1 a 2 + 3 2 a 0 a 3 =0

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