Analytical Modeling of Optical Cross Add and Drop Multiplexing Switch

Zero Loss Condition Analysis on Optical Cross Add and Drop Multiplexer (OXADM) Operational Scheme in Point-to-Point Network

“…To make device operational more efficient by reducing the power penalty, zero leakage MEMs switches are used to control the mechanism of operation such as wavelength add/drop and wavelength routing operation. As a result, the switching performed within the optical layer will be able to achieve high speed restoration against failure/degradation of cables, fibers and optical amplifiers which had been proposed in [Rahman et al 2006a] [Rahman et al 2006b]. We had proposed previously the migration of topology will be easier and reduce the restructuring process by eliminating the installation of new nodes because OXADMs are applicable for both types of topologies beside provide efficiency, reliability and survivability to the network [Rahman et al 2006c] [Rahman & Shaari 2007].…”

“…The designed 4-channel OXADM device is expected to have maximum operational loss of 0.06 dB for each channel when device components are in ideal/zero loss condition. The maximum insertion loss when considering the component loss at every channel is less than 6 dB [Rahman et al 2006a]- [Rahman 2008].…”

The Asymmetrical Architecture of New Optical Switch Device

“…The maximum insertion loss when considering the component loss at every channel is less than 6 dB. In the transmission using SMF-28 fiber, with the transmitter power of 0 dBm and sensitivity -22.8 dBm at a point-to-point configuration with safety margin, the required transmission is 71 km with OXADM without regeneration (Rahman et al, 2006). The OXADM architecture consists of 3 parts; selective port, add/drop operation, and path routing.…”

Optical Cross Add and Drop Multiplexer: An Analytical Approach

“…Assuming aligned polarization, the probability density function (PDF) for the resultant aggregate interference is approximately Gaussian, which leads to a theoretical power penalty [7][12] [13]:…”

“…Here we apply the worst case scenario depicted in Fig. 2 for the power penalty caused by incoherent crosstalk, which is induced when optical propagation delay differences between signal and crosstalk in an OXADM exceeds the coherent time of the laser [7], [13]. Assuming the OXADM is fully loaded, each signal passing through the OXADM will be interfered by MN-1 crosstalk, caused by leaked signals from demultiplexer/multiplexer pairs.…”