CTS-Session-06B-DWDM-Shrt - Optical Multiplexing Session...

Info iconThis preview shows pages 1–10. Sign up to view the full content.

View Full Document Right Arrow Icon
Optical Multiplexing LT/CTS/1010 1 of 22 Session 05 Part 2 DWDM
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Dense Wavelength Division Multiplexing LT/CTS/1010 2 of 22
Background image of page 2
S Band C Band L Band 5th Window E Band 2nd Window O Band Optical Spectral Bands LT/CTS/1010 3 of 22 Wavelength in nm 1200 1700 1300 1400 1600 1500
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Optical Spectral Bands LT/CTS/1010 4 of 22
Background image of page 4
Dense Wavelength Division Multiplexing λ 1 A λ 2 λ 3 B C λ 1 X λ 2 λ 3 Y Z λ 1 +λ +λ 2 + λ 3 Fibre Wavelength Division Multiplexer Wavelength Division Demultiplexer LT/CTS/1010 5 of 22 Multiple channels of information carried over the same fibre, each using an individual wavelength Dense WDM is WDM utilising closely spaced channels Channel spacing reduced to 1.6 nm and less Cost effective way of increasing capacity without replacing fibre Commercial systems available with capacities of 32 channels and upwards; > 80 Gb/s per fibre
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
DWDM Multiplexer Receivers Optical fibre DWDM System LT/CTS/1010 6 of 22 c Each wavelength behaves as if it has it own virtual fiber c Optical amplifiers needed to overcome losses in mux/demux and long fiber spans Transmitters Power Amp Line Amp Line Amp Receive Preamp 200 km DWDM DeMultiplexer
Background image of page 6
Sample DWDM Signal LT/CTS/1010 7 of 22 Multiplexer Optical Output Spectrum for an 8 DWDM channel system, showing individual channels
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Standard DWDM Windows 2 c ν λ = LT/CTS/1010 8 of 22
Background image of page 8
Greater fibre capacity Easier network expansion s No new fibre needed s Just add a new wavelength s Incremental cost for a new channel is low DWDM Advantages LT/CTS/1010 9 of 22 s No need to replace many components such as
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 10
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 11/14/2011 for the course COMPUTER E H0704 taught by Professor Lukas during the Spring '11 term at Bina Nusantara University.

Page1 / 22

CTS-Session-06B-DWDM-Shrt - Optical Multiplexing Session...

This preview shows document pages 1 - 10. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online