Optical Time Division Multiplexing - Northumbria University

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OTDM - History • 1968 T S Kinsel & R T Denton, IEEE Proc. 56, • 1970 S J Buchsburn & R Kompfiner, ‘TDM <strong>Optical</strong> transmission systems’, • 1981 M Thewalt, - ‘OTDM using mode locked laser’, Elec. Lett. • 1985 S K Korothy et al - ‘ High speed LiNbO3 as switch/modulator for OTDM’ • 1988 S Fujita - 10 Gbps systems • 1993 A D Ellis - 40 Gbps • 1998 M Nakazawa - 640 Gbps (60 km) • 1999 P Tolire, et al - 100 Gbps Packet based • 2000 K Yanenasu – 80 Gbps (168 km zero dispersion fibre)
Progress in Raw Speed 1000 Source: W H Knox, 2000 Bit time (ps) 100 10 1.0 2.5 Gb/s Sub-picosecond region 0.1 1980 1985 1990 1995 2000 2005 Year 40 Gb/s 1.24Tb/s • 2000 - 40 Gb/s commercial product •1.28 Tb/s uses 200 fs pulses, using optical loop mirrors for demultiplexing (not possible electrically)
Page 1 and 2: All Optical Time Division Multiplex
Page 3 and 4: OCRG - Current Research • All Opt
Page 5 and 6: All Optical Time Division Multiplex
Page 7 and 8: Network Technologies Channels Fibre
Page 9 and 10: WDM • Up to 90 wavelengths • >
Page 11: OTDM - What does it offer? • Flex
Page 15 and 16: Ultrafast Pulse Source 1000 50 GHz
Page 17 and 18: A- Broadcast OTDM Networks • Bit
Page 19 and 20: Bit Interleaved - De-multiplexer OT
Page 21 and 22: Packet OTDM - Multiplexer Mode-lock
Page 23 and 24: Packet OTDM- De-multiplexer Compres
Page 25 and 26: Broadcast OTDM Networks - Problems
Page 27 and 28: Switched Based OTDM Networks Node -
Page 29 and 30: Switched Based OTDM Networks - Buff
Page 31 and 32: OTDM - Issues • High speed electr
Page 33 and 34: OTDM Demultiplexing Techniques
Page 35 and 36: Optical Demultiplexers - All optica
Page 37 and 38: A- Optical Loop Mirrors - Principle
Page 39 and 40: 2- Nonlinear Amplifier Loop Mirror
Page 41 and 42: NOLMs DEMUX - Limitations • Inten
Page 43 and 44: All Optical Demultiplexing - Report
Page 45 and 46: Residual Crosstalk - NOLM cw contro
Page 47 and 48: Adjacent Channel Crosstalk Depends
Page 49 and 50: NOLM - Noise and Crosstalk NOLM rel
Page 51 and 52: NOLM - BER NOLM DEMUX EDFA BPF Erro
Page 53 and 54: All Optical Router - One Node Clock
Page 55 and 56: Series Router Configuration Router
Page 57 and 58: 8x8 Banyan Network Architecture Inp
Page 59 and 60: OTDM Routing Networks - Waveforms
Page 61 and 62: High Speed Optical Transport Layer
Page 63 and 64:
OTDM Cross Connect OTDM-λ1 1 2 3 4
Page 65 and 66:
Principle of 3R Regenerator
Page 67 and 68:
OTDM and WDM - Comparison • 40 Gb
Page 69 and 70:
Remarks • OTDM is a powerful tech
Page 71:
Packet Switched Optical Newtork- In
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Optical Time Division Multiplexing - Northumbria University

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