Short-wavelength transmission over single-mode fiber optimized for long wavelengths

Edward E. Harstead; Josef P. Ocenasek

doi:10.1117/12.134951

1 February 1992 Short-wavelength transmission over single-mode fiber optimized for long wavelengths

Edward E. Harstead, Josef P. Ocenasek

Proceedings Volume 1578, Fiber Networks for Telephony and CATV; (1992) https://doi.org/10.1117/12.134951
Event: OE Fiber, 1991, Boston, MA, United States

Abstract

Short wavelength transmission of narrowband services over single-mode fiber optimized for long wavelengths can provide both economic advantages and added flexibility for applications where the addition of broadband services are contemplated. In particular, high production volumes of 780 nm compact disc lasers drive their cost significantly below long wavelength devices. Transmission will occur below the fiber cutoff wavelength, and bimodal or trimodal propagation results. Adjustments to loss budget methodolf the CO/network interface facility is limited to the extremely short drop between the distant terminal and the network interface. No new channel units are developed for this specific application, and the distant terminal accommodates the existing SLC Series 5 channel units. The Series 5 POTS channel units, that have been designed for a metallic-distribution system, can serve distribution wire pairs long enough to have a dc resistance of up to 1500 ohms in some cases, 900 ohms in others. The loss plan of thks is proposed.

Citation Download Citation

Edward E. Harstead and Josef P. Ocenasek "Short-wavelength transmission over single-mode fiber optimized for long wavelengths", Proc. SPIE 1578, Fiber Networks for Telephony and CATV, (1 February 1992); https://doi.org/10.1117/12.134951

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