Abstract

Optical phase modulators and a continuous-wave laser diode were used to quantize microwave signals with frequencies up to 25 GHz. A 2- and 3-b optical quantizer and photonic analog-to-digital converter are demonstrated. The quantizer system is primarily limited in the optical domain by the speed of the phase modulators. Converting the optical binary data into the electrical domain limits the data acquisition to the electronic readout circuitry.

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  1. R. H. Walden, "Analog-to-digital converter survey and analysis", IEEE J. Sel. Areas Commun., vol. 17, no. 4, pp. 539 -550, Apr. 1999.
  2. H. F. Taylor, "An electrooptic analog-to-digital converter", Proc. IEEE, vol. 63, pp. 1524-1525, 1975.
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  19. M. M. Howerton, R. Krahenbuhl and R. P. Moeller, "Low loss, compact reflective turns in optical waveguides", U.S. Patent 20030228107, Jun. 2002.

Opt. Lett. (1)

Other (18)

J. A. Bell, M. C. Hamilton and D. A. Leep, "Optical sampling and demultiplexing applied to A/D conversion", in Proc. SPIE (Int. Soc. Optical Engineers) , vol. 1562, 1991, pp. 276-280.

P. W. Juodawlkis, J. C. Twichell, G. E. Betts, J. J. Hargreaves, R. D. Younger, J. L. Wasserman, F. J. O'Donnell, K. G. Ray and R. C. Williamson, "Optically sampled analog-to-digital converters", IEEE Trans. Microwave Theory Tech., vol. 49, no. 10, pp. 1840-1853, Oct. 2001.

M. Y. Frankel, J. U. Kang and R. D. Esman, "High-performance photonic analogue-digital converter", Electron. Lett., vol. 33, pp. 2096-2097, 1997.

T. R. Clark, J. U. Kang and R. D. Esman, "Performance of a time-and wavelength-interleaved photonic sampler for analog-digital conversion", IEEE Photon. Technol. Lett., vol. 11, no. 9, pp. 1168-1170, Sep. 1999.

A. S. Bhushan, F. Coppinger and B. Jalali, "Time-stretched analogue-to-digital conversion", Electron. Lett., vol. 34, pp. 1081-1083, 1998.

M. Currie, T. R. Clark and P. J. Matthews, "Photonic analog-to-digital conversion by distributed phase modulation", IEEE Photon. Technol. Lett., vol. 12, no. 12, pp. 1689-1691, Dec. 2000.

D. N. Maywar, G. P. Agrawal and Y. Nakano, "All-optical hysteresis control by means of cross-phase modulation in semiconductor optical amplifiers", J. Opt. Soc. Amer. B, Opt. Phys., vol. 18, pp. 1003-1013, 2001.

M. L. Dennis, W. Kaechele, W. K. Burns, T. F. Carruthers and I. N. Duling III, "Photonic serial-parallel conversion of high-speed OTDM data", IEEE Photon. Technol. Lett., vol. 12, no. 11, pp. 1561-1563, Nov. 2000.

M. J. Demler, High-Speed Analog-to-Digital Conversion, San Diego, CA: Academic, 1991.

G. P. Agrawal, Fiber-Optic Communication Systems, 2nd ed. New York: Wiley, 1997.

M. M. Howerton, R. P. Moeller, A. S. Greenblatt and R. Krahenbuhl, "Fully packaged, broad-band LiNbO 3 modulator with low drive voltage", IEEE Photon. Technol. Lett., vol. 12, no. 7, pp. 792-794, Jul. 2000.

J. H. Cole, private communication, 2004.

M. M. Howerton, R. Krahenbuhl and R. P. Moeller, "Low loss, compact reflective turns in optical waveguides", U.S. Patent 20030228107, Jun. 2002.

R. H. Walden, "Analog-to-digital converter survey and analysis", IEEE J. Sel. Areas Commun., vol. 17, no. 4, pp. 539 -550, Apr. 1999.

H. F. Taylor, "An electrooptic analog-to-digital converter", Proc. IEEE, vol. 63, pp. 1524-1525, 1975.

H. F. Taylor, "An optical analog-to-digital converter-design and analysis", IEEE J. Quantum Electron., vol. QE-15, no. 4, pp. 210-216, Apr. 1979.

R. A. Becker, C. E. Woodward, F. J. Leonberger and R. C. Williamson, "Wide-band electrooptic guided-wave analog-to-digital converters", Proc. IEEE, vol. 72, pp. 802-819, 1984.

T. R. Clark, T. F. Carruthers, P. J. Matthews and I. N. Duling III, "Phase noise measurements of ultrastable 10 GHz harmonically modelocked fiber laser", Electron. Lett., vol. 35, pp. 720-721, 1999.

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