Abstract

Microwave photonic cancellation notch filters have been shown capable of achieving ultra-high suppressions independently from the strength of optical resonant filter they use, making them an attractive candidate for on-chip signal processing. Their operation, based on destructive interference in the electrical domain, requires precise control of the phase and amplitude of the optical modulation sidebands. To date, this was attainable only through the use of dual-parallel Mach-Zehnder modulators which suffer from bias drifts that prevent stable filter operation. Here we propose a new cancellation filter topology with ease of control and enhanced stability using a bias-free phase modulator and a reconfigurable optical processor as the modulation sidebands spectral shaper. We experimentally verify the long term stability of the novel filter topology through continuous real-time monitoring of the filter peak suppression over 24 hours.

© 2015 Optical Society of America

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References

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    [Crossref]
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2015 (2)

2014 (2)

D. Marpaung, M. Pagani, B. Morrison, and B. Eggleton, “Nonlinear integrated microwave photonics,” J. Lightwave Technol. 32(20), 3421–3427 (2014).
[Crossref]

D. Marpaung, B. Morrison, M. Pagani, R. Pant, and B. J. Eggleton, “Ultra-high suppression microwave photonic bandstop filters,” Chin. Sci. Bull. 59(22), 2684–2692 (2014).
[Crossref]

2013 (3)

2012 (2)

J. Lee, T. Lee, and W. Chappell, “Lumped-element realization of absorptive bandstop filter with anomalously high spectral isolation,” IEEE Trans. Microw. Theory Tech. 60(8), 2424–2430 (2012).
[Crossref]

V. R. Supradeepa, C. M. Long, R. Wu, F. Ferdous, E. Hamidi, D. E. Leaird, and A. M. Weiner, “Comb-based radiofrequency photonic filters with rapid tunability and high selectivity,” Nat. Photonics 6(3), 186–194 (2012).

2008 (1)

2007 (1)

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

2003 (1)

Abakoumov, D.

Baxter, G.

Bolger, J. A.

Capmany, J.

D. Marpaung, C. Roeloffzen, R. Heideman, A. Leinse, S. Sales, and J. Capmany, “Integrated microwave photonics,” Laser Photonics Rev. 7(4), 506–538 (2013).
[Crossref]

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

Chan, E. H. W.

Chappell, W.

J. Lee, T. Lee, and W. Chappell, “Lumped-element realization of absorptive bandstop filter with anomalously high spectral isolation,” IEEE Trans. Microw. Theory Tech. 60(8), 2424–2430 (2012).
[Crossref]

Choi, D.-Y.

Eggleton, B.

Eggleton, B. J.

Feng, X.

Ferdous, F.

V. R. Supradeepa, C. M. Long, R. Wu, F. Ferdous, E. Hamidi, D. E. Leaird, and A. M. Weiner, “Comb-based radiofrequency photonic filters with rapid tunability and high selectivity,” Nat. Photonics 6(3), 186–194 (2012).

Frisken, S.

Guan, B.

Hamidi, E.

V. R. Supradeepa, C. M. Long, R. Wu, F. Ferdous, E. Hamidi, D. E. Leaird, and A. M. Weiner, “Comb-based radiofrequency photonic filters with rapid tunability and high selectivity,” Nat. Photonics 6(3), 186–194 (2012).

Heideman, R.

Hoekman, M.

Leaird, D. E.

V. R. Supradeepa, C. M. Long, R. Wu, F. Ferdous, E. Hamidi, D. E. Leaird, and A. M. Weiner, “Comb-based radiofrequency photonic filters with rapid tunability and high selectivity,” Nat. Photonics 6(3), 186–194 (2012).

Lee, J.

J. Lee, T. Lee, and W. Chappell, “Lumped-element realization of absorptive bandstop filter with anomalously high spectral isolation,” IEEE Trans. Microw. Theory Tech. 60(8), 2424–2430 (2012).
[Crossref]

Lee, T.

J. Lee, T. Lee, and W. Chappell, “Lumped-element realization of absorptive bandstop filter with anomalously high spectral isolation,” IEEE Trans. Microw. Theory Tech. 60(8), 2424–2430 (2012).
[Crossref]

Leinse, A.

Li, G.

Long, C. M.

V. R. Supradeepa, C. M. Long, R. Wu, F. Ferdous, E. Hamidi, D. E. Leaird, and A. M. Weiner, “Comb-based radiofrequency photonic filters with rapid tunability and high selectivity,” Nat. Photonics 6(3), 186–194 (2012).

Luther-Davies, B.

Madden, S.

Marpaung, D.

Morrison, B.

Novak, D.

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

Pagani, M.

Pant, R.

Poole, S.

Roelens, M. A. F.

Roeloffzen, C.

Sales, S.

D. Marpaung, C. Roeloffzen, R. Heideman, A. Leinse, S. Sales, and J. Capmany, “Integrated microwave photonics,” Laser Photonics Rev. 7(4), 506–538 (2013).
[Crossref]

Supradeepa, V. R.

V. R. Supradeepa, C. M. Long, R. Wu, F. Ferdous, E. Hamidi, D. E. Leaird, and A. M. Weiner, “Comb-based radiofrequency photonic filters with rapid tunability and high selectivity,” Nat. Photonics 6(3), 186–194 (2012).

Wang, X.

Weiner, A. M.

V. R. Supradeepa, C. M. Long, R. Wu, F. Ferdous, E. Hamidi, D. E. Leaird, and A. M. Weiner, “Comb-based radiofrequency photonic filters with rapid tunability and high selectivity,” Nat. Photonics 6(3), 186–194 (2012).

Wu, R.

V. R. Supradeepa, C. M. Long, R. Wu, F. Ferdous, E. Hamidi, D. E. Leaird, and A. M. Weiner, “Comb-based radiofrequency photonic filters with rapid tunability and high selectivity,” Nat. Photonics 6(3), 186–194 (2012).

Yang, J.

Yu, P. K. L.

Chin. Sci. Bull. (1)

D. Marpaung, B. Morrison, M. Pagani, R. Pant, and B. J. Eggleton, “Ultra-high suppression microwave photonic bandstop filters,” Chin. Sci. Bull. 59(22), 2684–2692 (2014).
[Crossref]

IEEE Trans. Microw. Theory Tech. (1)

J. Lee, T. Lee, and W. Chappell, “Lumped-element realization of absorptive bandstop filter with anomalously high spectral isolation,” IEEE Trans. Microw. Theory Tech. 60(8), 2424–2430 (2012).
[Crossref]

J. Lightwave Technol. (3)

Laser Photonics Rev. (1)

D. Marpaung, C. Roeloffzen, R. Heideman, A. Leinse, S. Sales, and J. Capmany, “Integrated microwave photonics,” Laser Photonics Rev. 7(4), 506–538 (2013).
[Crossref]

Nat. Photonics (2)

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

V. R. Supradeepa, C. M. Long, R. Wu, F. Ferdous, E. Hamidi, D. E. Leaird, and A. M. Weiner, “Comb-based radiofrequency photonic filters with rapid tunability and high selectivity,” Nat. Photonics 6(3), 186–194 (2012).

Opt. Express (2)

Opt. Lett. (1)

Optica (1)

Other (1)

Y. Long, H. Zhang, C. Li, C. Gui, Q. Yang, and J. Wang, “Ultra-high Peak Rejection Notch Microwave Photonic Filter Using a Single Silicon Microring Resonator,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (OSA, 2015), paper W2A.58.
[Crossref]

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Figures (8)

Fig. 1
Fig. 1

(a) Structure and (b) operating principle of MWP cancellation notch filters. In steps B and C, note the antiphase relationship between the sidebands. In step C, an optical gain resonance is used to amplify a band of the upper sideband spectrum, making its amplitude equal to the corresponding band in the lower sideband.

Fig. 2
Fig. 2

Structure of a MWP cancellation notch filter, with DPMZM used for tailoring the sidebands’ spectra. At the input of the DPMZM, an RF hybrid coupler is used to split the input RF signal between the two arms of the modulator.

Fig. 3
Fig. 3

(a) Simulation of a DPMZM-based cancellation notch filter. The different curves show the filter response for different DPMZM bias points, as shown in (b).

Fig. 4
Fig. 4

Structure of a MWP cancellation notch filter, with a Fourier-domain optical processor (FD-OP) used for tailoring the sidebands’ spectra. The enhanced functionality of the FD-OP means that the DPMZM can be replaced with a simple bias-free phase modulator.

Fig. 5
Fig. 5

(a) Simulation of a cancellation notch filter using a phase modulator in combination with an FD-OP to sideband tailoring. The phase modulator causes Eq. (1) to be automatically satisfied. Equation (2) is satisfied by using the FD-OP to attenuate one of the sidebands. (b) The different FD-OP attenuations, approaching the magnitude of the optical resonance, to maximize the notch suppression.

Fig. 6
Fig. 6

Experimental setup for the cancellation notch filter, with a phase modulator (PM) and a waveshaper (WS) used for tailoring the sidebands’ spectra. The filter response was measured with a vector network analyzer (VNA). The SBS interaction occurred in a 1.6 km spool of single-mode fiber (SMF). Polarization controllers (PC) were used to minimize losses, and to maximize the strength of the SBS interaction.

Fig. 7
Fig. 7

Measurements of the notch filter response after 12 hour intervals of continuous operation. Sideband tailoring was performed using a (a) DPMZM; (b) PM in combination with waveshaper; (c) PM in combination with waveshaper, driven by software to actively control the waveshaper attenuation.

Fig. 8
Fig. 8

Measurement of the notch filter suppression over a 24 period of continuous operation. The three plots denote different methods for tailoring the sidebands’ spectra.

Equations (9)

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

( θ C θ L ) ( θ U θ C ) = ± π ,
E L = G E U ,
E C e j θ C = J 0 ( m RF1 V R F ) cos ( θ A 2 ) exp ( j θ A 2 ) + J 0 ( m RF2 V RF ) cos ( θ B 2 ) exp ( j θ B 2 + j θ C ) ,
E L e j θ L = J 1 ( m RF1 V R F ) sin ( θ A 2 ) exp ( j θ A π 2 ) + J 1 ( m RF2 V RF ) sin ( θ B 2 ) exp ( j θ B 2 + j θ C ) ,
E U e j θ U = J 1 ( m RF1 V R F ) sin ( θ A 2 ) exp ( j θ A π 2 ) + J 1 ( m RF2 V RF ) sin ( θ B 2 ) exp ( j θ B 2 + j θ C ) ,
E C e j θ C = J 0 ( m RF1 V RF ) ,
E L e j θ L = J 1 ( m RF1 V RF ) ,
E U e j θ U = J 1 ( m RF1 V RF ) ,
H OP ( ω ) = { 1                   for   E C , E L/U A e j φ   for   E U/L             ,

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