A method for communication, the method comprising: in an integrated optical communication system comprising a plurality of complementary metal-oxide semiconductor, hereinafter referred to as CMOS, electronics die coupled to a first planar surface of a silicon photonic interposer, a substrate coupled to a second planar surface of the silicon photonic interposer opposite to the first planar surface, and an optical source assembly coupled to the first planar surface of said silicon photonic interposer: receiving one or more continuous wave, hereinafter referred to as CW, optical signals in said silicon photonic interposer from the optical source assembly coupled to the first planar surface of said silicon photonic interposer; receiving first electrical signals in said silicon photonic interposer from a first of said plurality of CMOS electronics die; wherein: the silicon photonic interposer comprises one or more optical modulators therewithin and, the method further comprises, in the integrated optical communication system: generating, utilizing the one or more optical modulators, modulated optical signals in said silicon photonic interposer based on said first electrical signals received from said first of said plurality of CMOS electronics die and said received one or more CW optical signals; routing said modulated optical signals across said silicon photonic interposer via one or more optical waveguides; generating second electrical signals in said silicon photonic interposer based on said routed modulated optical signals; and communicating said generated second electrical signals to a second of said plurality of CMOS electronics die. receiving one or more continuous wave, hereinafter referred to as CW, optical signals in said silicon photonic interposer from the optical source assembly coupled to the first planar surface of said silicon photonic interposer; receiving first electrical signals in said silicon photonic interposer from a first of said plurality of CMOS electronics die; wherein: the silicon photonic interposer comprises one or more optical modulators therewithin and, the method further comprises, in the integrated optical communication system: generating, utilizing the one or more optical modulators, modulated optical signals in said silicon photonic interposer based on said first electrical signals received from said first of said plurality of CMOS electronics die and said received one or more CW optical signals; routing said modulated optical signals across said silicon photonic interposer via one or more optical waveguides; generating second electrical signals in said silicon photonic interposer based on said routed modulated optical signals; and communicating said generated second electrical signals to a second of said plurality of CMOS electronics die. the silicon photonic interposer comprises one or more optical modulators therewithin and, the method further comprises, in the integrated optical communication system: generating, utilizing the one or more optical modulators, modulated optical signals in said silicon photonic interposer based on said first electrical signals received from said first of said plurality of CMOS electronics die and said received one or more CW optical signals; routing said modulated optical signals across said silicon photonic interposer via one or more optical waveguides; generating second electrical signals in said silicon photonic interposer based on said routed modulated optical signals; and communicating said generated second electrical signals to a second of said plurality of CMOS electronics die. generating, utilizing the one or more optical modulators, modulated optical signals in said silicon photonic interposer based on said first electrical signals received from said first of said plurality of CMOS electronics die and said received one or more CW optical signals; routing said modulated optical signals across said silicon photonic interposer via one or more optical waveguides; generating second electrical signals in said silicon photonic interposer based on said routed modulated optical signals; and communicating said generated second electrical signals to a second of said plurality of CMOS electronics die.