[1] [1] T. B. Pittman, Y. H. Shih, D. V. Strekalov, and A. V. Sergienko, Phys. Rev. A 52, 3429 (1995).

[2] [2] B. I. Erkmen and J. H. Shapiro, Phys. Rev. A 78, 023835 (2008).

[3] [3] S.-H. Tan, B. I. Erkmen, V. Giovannetti, S. Guha, S. Lloyd, L. Maccone, S. Pirandola, and J. H. Shapiro, Phys. Rev. Lett. 101, 253601 (2008).

[4] [4] J. H. Shapiro and B. I. Erkmen, Opt. Soc. Am. ICQI, IthD1 (2007).

[5] [5] A. Gatti, E. Brambilla, M. Bache, and L. A. Lugiato, Phys. Rev. Lett. 93, 093602 (2004).

[6] [6] F. Ferri, D. Magatti, A. Gatti, M. Bache, E. Brambilla, and L. A. Lugiato, Phys. Rev. Lett. 94, 183602 (2005).

[7] [7] P. Zhang, W. Gong, X. Shen, S. Han, and R. Shu, Phys. Rev. A 80, 033827 (2009).

[8] [8] L. Gao, S. Zhang, J. Xiong, S. Gan, L. J. Feng, D. Z. Cao, and K. Wang, Phys. Rev. A 80, 021806 (2009).

[9] [9] R. Meyers, K. S. Deacon, and Y. Shih, Phys. Rev. A 77, 041801(R) (2008).

[10] [10] C. Wang, D. Zhang, Y. Bai, and B. Chen, Phys. Rev. A 82, 063814 (2010).

[11] [11] N. D. Hardy, “Analyzing and Improving Image Quality in Reflective Ghost Imaging” ADA545213 (2011).

[12] [12] B. I. Erkmen and J. H. Shapiro, Phys. Rev. A 77, 043809 (2008).

[13] [13] B. I. Erkmen and J. H. Shapiro, Phys. Rev. A 79, 023833 (2009).

[14] [14] H. P. Yuen and J. H. Shapiro, IEEE Trans. Inf. Theory IT-24, 657 (1978).

[15] [15] H. P. Yuen and J. H. Shapiro, IEEE Trans. Inf. Theory IT-26, 78 (1980).

[16] [16] J. H. Shapiro, Proc. SPIE 5111, 382 (2003).

[17] [17] J. H. Shapiro, B. A. Capron, and R. C. Harney, Appl. Opt. 20, 3292 (1981).

[18] [18] L. Mandel and E. Wolf, Optical Coherence and Quantum Optics (Cambridge University Press, Cambridge, 1995).

[19] [19] J. W. Goodman, Statistical Optics (Wiley, New York, 2000).

[20] [20] B. I. Erkmen and J. H. Shapiro, Adv. Opt. Photon. 2, 405 (2010).

[21] [21] B. I. Erkmen and J. H. Shapiro, Proc. SPIE 6305, 63050G (2006).