Abstract

We present our work in optical generation of arbitrarily shaped millimeter-wave electromagnetic waveforms. Through a novel technique, which utilizes tailored optical pulse sequences from a direct space-to-time pulse shaper to drive a high-speed optical-to-electrical converter, we generate amplitude-equalized, arbitrarily phase-and frequency-modulated waveforms at center frequencies approaching 50 GHz. In addition, we demonstrate the extension of this technique to generation of arbitrary electromagnetic waveforms in the low-gigahertz range, through dispersive stretching of the pulse shaper output. In the dispersively stretched configuration, the duration of our electrical waveforms is tuned through simple alignment changes in our pulse-shaping apparatus.

© 2003 IEEE

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J. Lightwave Technol. (1)

Opt. Lett. (6)

Other (12)

J. C. Twichell, J. L. Wasserman, P. W. Juodawlkis, G. E. Betts and R. C. Williamson, "High-linearity 208-ms/s photonic analog-to-digital converter using 1-to-4 optical time-division demultiplexers", IEEE Photon. Technol. Lett., vol. 13, pp. 714 -716, July 2001.

T. R. Clark and M. L. Dennis, "Toward a 100-gsample/s photonic a-d converter", IEEE Photon. Technol. Lett., vol. 13, pp. 236 -238, Mar. 2001.

A. S. Bhushan, P. V. Kelkar, B. O. Boyraz and M. Islam, "130-gsa/s photonic analog-to-digital converter with time stretch preprocessor", IEEE Photon. Technol. Lett., vol. 14, pp. 684-686, May 2002.

M. Z. Win and R. A. Scholtz, "Ultra-wide bandwidth time-hopping spread-spectrum impulse radio for wireless multiple-access communications", IEEE Trans. Commun., vol. 48, pp. 679-691, Apr. 2000.

S. Poinsot, H. Porte, J.-P. Goedgebuer, W. T. Rhodes and B. Boussert, "Continuous radio-frequency tuning of an optoelectronic oscillator with dispersive feedback", Opt. Lett. , vol. 27, pp. 1300-1302, 2002.

T. Yilmaz, C. M. DePriest, T. Turpin, J. H. Abeles and P. J. Delfyett, "Toward a photonic arbitrary waveform generator using a modelocked external cavity semiconductor laser", IEEE Photon. Technol. Lett., vol. 14, pp. 1608-1610, Nov. 2002.

B. Jalai, P. Kelkar and V. Saxena, "Photonic arbitrary waveform generator", in Proc. 14th Annu. Meeting IEEE, vol. 1, Nov. 2001.

J. Chou, Y. Han and B. Jalai, "Adaptive RF-photonic arbitrary waveform generator", IEEE Photon. Technol. Lett., vol. 15, pp. 581 -583, Apr. 2003.

D. E. Leaird and A. M. Weiner, "Femtosecond direct space-to-time pulse shaping", IEEE J. Quantum Electron., vol. 37, pp. 494-504, Apr. 2001 .

J. D. McKinney, D. S. Seo and A. M. Weiner, "Photonically assisted generation of continuous arbitrary millimeter electromagnetic waveforms", Electron. Lett., vol. 39, pp. 309-311, 2003.

A. M. Weiner, "Femtosecond pulse shaping using spatial light modulators", Rev. Sci. Instrum., vol. 71, p. 1929, 2000.

B. H. Kolner, "Generalization of the concepts of focal length and f -number to space and time", J. Opt. Soc. Amer. A, vol. 11, pp. 3229-3234, 1994.

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