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- I. T. Lima, A. O. Lima, +4 authors G. M. Carter
- Journal of Lightwave Technology
- 2005

The authors have derived a receiver model that provides an explicit relationship between the Q factor and the optical signal-to-noise ratio (OSNR) in optical fiber communication systems for arbitraryâ€¦ (More)

- Wilson Mayrink, C.A. da Costa, +5 authors P Andrew Williams
- Transactions of the Royal Society of Tropicalâ€¦
- 1979

A field trial was carried out in the eastern part of the State of Minas Gerais (Brazil) of a vaccine containing killed promastigotes of five stocks of Leishmania. Tests with Montenegro antigen showedâ€¦ (More)

- A. O. Lima, I. T. Lima, C. R. Menyuk
- Journal of Lightwave Technology
- 2005

This paper shows how to estimate errors in multicanonical Monte Carlo (MMC) simulations using a transition-matrix method. MMC is a biasing Monte Carlo technique that allows one to compute theâ€¦ (More)

- Wilson Mayrink, Paula MagalhÃ£es, Mariana Costa Dias, C.A. da Costa, Maria Clotildes Nunes de Melo, A. O. Lima
- Transactions of the Royal Society of Tropicalâ€¦
- 1978

- A. O. Lima, I. T. Lima, Tiila Adali, C. R. Menyuk
- IEEE Photonics Technology Letters
- 2002

We present a novel polarization diversity receiver for mitigating polarization-mode dispersion (PMD). We show that with simple fixed optics and electronics we can significantly decrease the outageâ€¦ (More)

- Yu Sun, I. T. Lima, +5 authors C. R. Menyuk
- IEEE Photonics Technology Letters
- 2003

We systematically investigate effects of partially polarized noise in a receiver. We introduce a relationship between the Q factor and the signal-to-noise ratio (SNR) that accounts for effects ofâ€¦ (More)

- A. O. Lima, C. R. Menyuk, I. T. Lima
- IEEE Photonics Technology Letters
- 2005

We evaluate the performance of single-section and three-section polarization-mode-dispersion (PMD) compensators using the biasing Monte Carlo methods of importance sampling (IS) and multicanonicalâ€¦ (More)

- I. T. Lima, A. O. Lima, Gino Biondini, C. R. Menyuk, W. L. Kath
- Journal of Lightwave Technology
- 2004

This paper shows how to use multiple importance sampling to study the performance of polarization-mode dispersion (PMD) compensators with a single differential group delay (DGD) element. We computeâ€¦ (More)

- Steven Timm, L L Leon, +4 authors A. O. Lima
- Memorias do Instituto Oswaldo Cruz
- 1980

- I. T. Lima, A. O. Lima, Josef Zweck, C. R. Menyuk
- IEEE Photonics Technology Letters
- 2003

We propose a technique that uses Monte Carlo simulations with importance sampling and a reduced Stokes model to compute the probability density function of the Q factor and the outage probability forâ€¦ (More)