Passive Optical Networks

GI-POFs based on perfluorinated polymers. The best reported attenuation is still

in excess of 25 dB/km at 850-nm and 1300-nm wavelengths [48].

3.4 TRANSMITTER SOURCES AT

SUBSCRIBER PREMISES

3.4.1 Introduction

While wavelength division multiplexed passive optical network (WDM-PON)

is actively being developed to meet the ever-increasing bandwidth demands of

end users in a cost-effective and future-proof manner, the inventory of

Fiber 3

Fiber 2

Fiber 1

6.0

5.0

4.0

3.0

2.0

1.0

0.0

01020

Bending radius (mm)

Bending loss (dB)

30 40 50

(b)

1.504

Fiber 2:

Fiber 3:

NA = 0.178,

NA = 0.154,

Core diameter = 500 µm

Fiber 1:

NA = 0.178,

Core diameter = 200 µm

Core diameter = 500 µm

1.502 ...