— In a wavelength-routed optical network, a transmitted signal remains in the optical domain over the entire route (lightpath) assigned to it between its source and destination nodes. The optical signal may have to traverse a number of crossconnect switches (XCS's), fiber segments, and optical amplifiers, e.g., erbium-doped fiber amplifiers (EDFA's). Thus,… (More)
—Performance of IEEE 802.11 distributed coordination function (DCF) has been studied by several authors under steady-state conditions. Behavior of DCF under transient state conditions and its modeling is important for analyzing several scenarios, such as, initialization of nodes in a wireless ad hoc network. In this paper, we present a mathematical model… (More)
For optical backbone networks using wavelength-division multiplexing (WDM), four-wave mixing appears as the dominant nonlinear phenomenon. In this paper a novel lightpath establishment scheme is proposed to improve physical-layer performance by restricting FWM generation.
R ECENT developments in wavelength division multi-plexing (WDM) technology have led to a tremendous amount of commercial and research interest in WDM-based networks. Until recently, WDM has been used primarily for point-to-point long haul transmission. However, with the emergence of WDM networking components, people are beginning to design and deploy… (More)
In a wavelength-routed optical network, a transmitted signal remains in the optical domain over the entire route (lightpath) assigned to it between its source and destination nodes. The optical signal may have to traverse a number of crossconnect switches (XCSs), ber segments, and optical ampliiers, e.g., erbium-doped ber ampliiers (EDFAs). Thus, while… (More)
Network-on-Chip (NoC) is the preferred communication backbone for modern multicore chips. However, the multi-hop data transmission using wireline interconnects result in high energy dissipation and latency. Photonic interconnects have emerged as a promising alternative to the conventional metal/dielectric based on-chip wireline interconnects. Several novel… (More)
—This paper analyzes bit-error-rate (BER) performance of various optical network-on-chip topologies, taking into account signal losses and crosstalk components along the signal paths. A novel optical interconnect topology, using multiple-segment buses, is proposed which offers an encouraging BER performance within the acceptable limit of per-wavelength… (More)