... make WDM technology feasible are optical line terminals, optical add/drop multiplexers, and optical cross-connectors (Ramaswami & Sivarajan, 2001). An optical line terminal (OLT) includes ... experimentally revealed the optical performance of fiber connections with various air-filled gap sizes. 3.3 Optical performance of fiber connections with imperfect physical contact The optical- performance ... cutting tool for optical fibres, IEEE/OSA JLT, 1986, vol. LT-4, No. 9, (1986) 1434–1439. Hogari, K., Nagase, R., and Takamizawa, K. (2010). Optical connector technologies for optical access...