Abstract

In this paper, the available analog link performance of integrated transmitters containing a sampled-grating distributed Bragg reflector laser, a semiconductor optical amplifier, and a modulator is evaluated. It is found that to provide a link gain and a low-noise figure, an RF preamplifier is required, and for this reason, spurious-free dynamic range (SFDR) including a preamplifier has been evaluated. An SFDR of 110-dBHz<sup>2/3</sup>, a noise figure of 5.4 dB, and link gain of 6.9 dB at 5 GHz is obtained. It is further investigated how link SFDR can be improved by linearization techniques. Two novel approaches are proposed and demonstrated: first, predistortion by extraction of nonlinear components from an integrated second modulator exposed to the same wavelength, optical power and temperature for matched nonlinear terms; second, a novel linearized modulator configuration balancing electroabsorption and Mach–Zehnder modulation that can reach a null for both second- and third-order intermodulation products at a single bias point.

© 2008 IEEE

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  1. L. A. Johansson, J. T. Getty, Y. A. Akulova, G. A. Fish, L. A. Coldren, "Sampled Grating DBR laser-based analog optical transmitters," J. Lightw. Technol. 21, 2968-2976 (2003).
  2. Y. A. Akulova, G. A. Fish, P. C. Koh, C. Schow, P. Kozodoy, A. Dahl, S. Nakagawa, M. Larson, M. Mack, T. Strand, C. Coldren, E. Hegblom, S. Penniman, T. Wipiejewski, L. A. Coldren, "Widely-tunable electroabsorption-modulated sampled grating DBR laser transmitter," IEEE J. Sel. Topics Quant. Electron. 8, 1349-1357 (2002).
  3. E. I. Ackerman, C. H. Cox, "RF fiber-optic link performance," IEEE Microw. Mag. 2, 50-58 (2001).
  4. V. Jayaraman, Z.-M. Chuang, L. A. Coldren, "Theory, design, and performance of extended tuning range semiconductor laser with sampled grating," IEEE J. Quant. Electron. 29, 1824-1834 (1993).
  5. C. H. Cox, Analog Optical Links: Theory and Practice (Cambridge Univ. Press, 2004).
  6. H. Shi, D. Cohen, J. Barton, M. Majewski, L. A. Coldren, M. C. Larson, G. A. Fish, "Relative intensity noise measurements of a widely tunable sampled-grating DBR laser," IEEE Photon. Technol. Lett. 14, 759-761 (2002).
  7. G. C. Wilson, T. H. Wood, M. Gans, J. L. Zyskind, J. W. Sulhoff, J. E. Johnson, T. Tanbun-Ek, P. A. Morton, "Predistortion of electroabsorption modulators for analog CATV systems at 1.55 µm," J. Lightw. Technol. 15, 1654-1662 (1997).
  8. T. Ismail, C. P. Liu, J. E. Mitchell, A. J. Seeds, "Interchannel distortion suppression for broadband wireless over fibre transmission using feed-forward linearised DFB laser," Proc. IEEE Int. Topical Meeting Microwave Photonics (2004) pp. 229-232.
  9. J. Yu, T. Y. Chang, G. C. Wilson, T. H. Wood, N. J. Sauer, J. E. Johnson, T. Tanbun-Ek, P. A. Morton, "Linearization of 1.55-µm electroabsorption modulated laser bydistortion emulation and reversal for 77-channel CATV transmission," IEEE Photon. Technol. Lett. 10, 433-435 (1998).
  10. R. Sadhwani, J. Basak, B. Jalali, "Adaptive electronic linearization of fiber optic links," Proc. Optical Fiber Communications Conf. (2003) pp. 477-479.
  11. Y. A. Akulova, G. A. Fish, P. Koh, P. Kozodoy, M. Larson, C. Schow, E. Hall, M. Marchand, P. Abraham, L. A. Coldren, "10 Gb/s Mach–Zehnder modulator integrated with widely-tunable sampled-grating DBR laser," Optical Fiber Communication Conf. WashingtonDC (2004) TuE4, on CD-ROM.

2003 (1)

L. A. Johansson, J. T. Getty, Y. A. Akulova, G. A. Fish, L. A. Coldren, "Sampled Grating DBR laser-based analog optical transmitters," J. Lightw. Technol. 21, 2968-2976 (2003).

2002 (2)

Y. A. Akulova, G. A. Fish, P. C. Koh, C. Schow, P. Kozodoy, A. Dahl, S. Nakagawa, M. Larson, M. Mack, T. Strand, C. Coldren, E. Hegblom, S. Penniman, T. Wipiejewski, L. A. Coldren, "Widely-tunable electroabsorption-modulated sampled grating DBR laser transmitter," IEEE J. Sel. Topics Quant. Electron. 8, 1349-1357 (2002).

H. Shi, D. Cohen, J. Barton, M. Majewski, L. A. Coldren, M. C. Larson, G. A. Fish, "Relative intensity noise measurements of a widely tunable sampled-grating DBR laser," IEEE Photon. Technol. Lett. 14, 759-761 (2002).

2001 (1)

E. I. Ackerman, C. H. Cox, "RF fiber-optic link performance," IEEE Microw. Mag. 2, 50-58 (2001).

1998 (1)

J. Yu, T. Y. Chang, G. C. Wilson, T. H. Wood, N. J. Sauer, J. E. Johnson, T. Tanbun-Ek, P. A. Morton, "Linearization of 1.55-µm electroabsorption modulated laser bydistortion emulation and reversal for 77-channel CATV transmission," IEEE Photon. Technol. Lett. 10, 433-435 (1998).

1997 (1)

G. C. Wilson, T. H. Wood, M. Gans, J. L. Zyskind, J. W. Sulhoff, J. E. Johnson, T. Tanbun-Ek, P. A. Morton, "Predistortion of electroabsorption modulators for analog CATV systems at 1.55 µm," J. Lightw. Technol. 15, 1654-1662 (1997).

1993 (1)

V. Jayaraman, Z.-M. Chuang, L. A. Coldren, "Theory, design, and performance of extended tuning range semiconductor laser with sampled grating," IEEE J. Quant. Electron. 29, 1824-1834 (1993).

IEEE J. Quant. Electron. (1)

V. Jayaraman, Z.-M. Chuang, L. A. Coldren, "Theory, design, and performance of extended tuning range semiconductor laser with sampled grating," IEEE J. Quant. Electron. 29, 1824-1834 (1993).

IEEE J. Sel. Topics Quant. Electron. (1)

Y. A. Akulova, G. A. Fish, P. C. Koh, C. Schow, P. Kozodoy, A. Dahl, S. Nakagawa, M. Larson, M. Mack, T. Strand, C. Coldren, E. Hegblom, S. Penniman, T. Wipiejewski, L. A. Coldren, "Widely-tunable electroabsorption-modulated sampled grating DBR laser transmitter," IEEE J. Sel. Topics Quant. Electron. 8, 1349-1357 (2002).

IEEE Photon. Technol. Lett. (1)

J. Yu, T. Y. Chang, G. C. Wilson, T. H. Wood, N. J. Sauer, J. E. Johnson, T. Tanbun-Ek, P. A. Morton, "Linearization of 1.55-µm electroabsorption modulated laser bydistortion emulation and reversal for 77-channel CATV transmission," IEEE Photon. Technol. Lett. 10, 433-435 (1998).

IEEE Microw. Mag. (1)

E. I. Ackerman, C. H. Cox, "RF fiber-optic link performance," IEEE Microw. Mag. 2, 50-58 (2001).

IEEE Photon. Technol. Lett. (1)

H. Shi, D. Cohen, J. Barton, M. Majewski, L. A. Coldren, M. C. Larson, G. A. Fish, "Relative intensity noise measurements of a widely tunable sampled-grating DBR laser," IEEE Photon. Technol. Lett. 14, 759-761 (2002).

J. Lightw. Technol. (2)

G. C. Wilson, T. H. Wood, M. Gans, J. L. Zyskind, J. W. Sulhoff, J. E. Johnson, T. Tanbun-Ek, P. A. Morton, "Predistortion of electroabsorption modulators for analog CATV systems at 1.55 µm," J. Lightw. Technol. 15, 1654-1662 (1997).

L. A. Johansson, J. T. Getty, Y. A. Akulova, G. A. Fish, L. A. Coldren, "Sampled Grating DBR laser-based analog optical transmitters," J. Lightw. Technol. 21, 2968-2976 (2003).

Other (4)

T. Ismail, C. P. Liu, J. E. Mitchell, A. J. Seeds, "Interchannel distortion suppression for broadband wireless over fibre transmission using feed-forward linearised DFB laser," Proc. IEEE Int. Topical Meeting Microwave Photonics (2004) pp. 229-232.

R. Sadhwani, J. Basak, B. Jalali, "Adaptive electronic linearization of fiber optic links," Proc. Optical Fiber Communications Conf. (2003) pp. 477-479.

Y. A. Akulova, G. A. Fish, P. Koh, P. Kozodoy, M. Larson, C. Schow, E. Hall, M. Marchand, P. Abraham, L. A. Coldren, "10 Gb/s Mach–Zehnder modulator integrated with widely-tunable sampled-grating DBR laser," Optical Fiber Communication Conf. WashingtonDC (2004) TuE4, on CD-ROM.

C. H. Cox, Analog Optical Links: Theory and Practice (Cambridge Univ. Press, 2004).

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