This work reports the development of a high-gain and wideband photonic-assisted amplified radio over fibre (RoF) system based on the non-linear effect four-wave mixing (FWM). The microwave gain is defined as the difference between the electrical power photodetected using a FWM product and that from the conventional RoF system at the same optical power level. Numerical simulations and experimental results prove that microwave gain strongly depends on the system parameters, such as wavelength separation between pump sources, state of polarisation, radio frequency modulation frequency and DC bias voltage of optical modulator. Microwave amplification from 4 to 19 GHz, electrical signal-to-noise ratio higher than 51 dB and gain up to 26 dB at 17 GHz are demonstrated. Moreover, an optical-wireless network based on the photonic-assisted microwave application is proposed, with the purpose of illustrating its applicability.

References

1. 1)
  - 4. Wake, D., Nkansah, A., Gomes, N.J.: ‘Radio over fiber link design for next generation wireless systems’, J. Lightw. Technol., 2010, 28, (16), pp. 2456–2464 (doi: 10.1109/JLT.2010.2045103).
2. 2)
  - 8. Wall, W.S., Foster, M.A.: ‘Ultra-wideband gain in microwave photonic links using four-wave mixing’. Proc. Int. Conf. on Lasers and Electro-Optics, 2012, paper CTu3A.4.
3. 3)
  - 9. Villena, A.T.P., Cerqueira, A., Abbade, M.L.F., Hernandez-Figueroa, H.E., Fragnito, H.L.: ‘Generation of quaternary-amplitude microwave signals by using a new optical heterodyne technique’, Microw. Opt. Technol. Lett., 2012, 54, (12), pp. 2738–2743 (doi: 10.1002/mop.27199).
4. 4)
  - 10. Yao, J.: ‘Microwave photonics’, IEEE J. Lightwave Technol, 2009, 27, (3), pp. 314–335 (doi: 10.1109/JLT.2008.2009551).
5. 5)
  - 16. Ma, J., Yu, J., Yu, C., et al: ‘Fiber dispersion influence on transmission of the optical millimeter-waves generated using LN-MZM intensity modulation’, IEEE J. Lightw. Technol., 2007, 25, pp. 3244–3256 (doi: 10.1109/JLT.2007.907794).
6. 6)
  - 9. Sodre, A.C., Chavez Boggio, J.M., Rieznik, A.A., et al: ‘Highly efficient generation of broadband cascaded four-wave mixing products’, Opt. Express, 2008, 16, pp. 2816–2828 (doi: 10.1364/OE.16.002816).
7. 7)
  - 17. Lona, D.G., Assumpção, R.M., Branquinho, O.C., et al: ‘Implementation and performance investigation of radio-over-fiber systems in wireless sensor networks’, Microw. Opt. Technol. Lett., 2012, 54, (12), pp. 2669–2675 (doi: 10.1002/mop.27168).
8. 8)
  - 7. Phillips, M.R., Regan, M.D.: ‘Enhancement of microwave optical link gain by self-phase modulation in a fiber interferometer’, IEEE Photonics Technol. Lett., 2008, 20, (24), pp. 2174–2176 (doi: 10.1109/LPT.2008.2007809).
9. 9)
  - 13. Marconi, J.D., Boggio, J.C., Fragnito, H.L.: ‘Narrow linewidth fibre-optical wavelength converter with strain suppression of SBS’, Electron. Lett., 2004, 40, (19), pp. 1213–1214 (doi: 10.1049/el:20045961).
10. 10)
  - 3. Laghezza, F., Scotti, F., Ghelfi, P., Bogoni, A.: ‘Photonics-assisted multiband RF transceiver for wireless communications’, J. Lightwave Technol., 2014, 32, (16), pp. 2896–2904 (doi: 10.1109/JLT.2014.2325959).
11. 11)
  - 10. Agrawal, G.P.: ‘Applications of nonlinear fiber optics’ (Academic press, 2001).
12. 12)
  - 5. Raimundo-Neto, E., da Rosa, J.R.G., Casaroli, M.A.F., et al: ‘Implementation of an optical-wireless network with spectrum sensing and dynamic resource allocation using optically controlled reconfigurable antennas’, Int. J. Antennas Propag, 2014, 2014, ID 670930..
13. 13)
  - 6. Tonda-Goldstein, S., Norcia, S., Dolfi, D., et al: ‘40 dB dynamic enhancement of modulation depth for optically carried microwave signals’, Electron. Lett., 2003, 39, (10), pp. 790–792 (doi: 10.1049/el:20030530).
14. 14)
  - 12. Tsujikawa, K., Nakajima, K., Miyajima, Y., et al: ‘New SBS suppression fiber with uniform chromatic dispersion to enhance four-wave mixing’, IEEE Photonics Technol. Lett., 1998, 10, (8), pp. 1139–1141 (doi: 10.1109/68.701528).
15. 15)
  - 11. Chavez Boggio, J., Marconi, J., Bickham, S., et al: ‘Spectrally flat and broadband double-pumped fiber optical parametric amplifiers’, Opt. Express, 2007, 15, pp. 5288–5309 (doi: 10.1364/OE.15.005288).
16. 16)
  - 15. Ciaramella, E., Curti, F., Trillo, S.: ‘All-optical signal reshaping by means of four-wave mixing in optical fibers’, IEEE Photonics Technol. Lett., 2001, 13, pp. 142–144 (doi: 10.1109/68.910515).
17. 17)
  - 14. Melo, S.A.S., do Nascimento, A.R.Jr., Arismar Cerqueira, S.Jr., et al: ‘Frequency comb expansion based on optical feedback, highly nonlinear and erbium-doped fibers’, Opt. Commun., 2014, 312, pp. 287–291 (doi: 10.1016/j.optcom.2013.09.045).

Photonic-assisted microwave amplification using four-wave mixing

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