Proximion:基于FBG的色散补偿模块特性及应用.pdf

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本文为 Bengt Johansson Ph.D, CTO ;An Wei, Ph.D, Technical Sales Manager, Proximion Fiber Systems AB,
Incident Light UV induced refractive index change 500nm 1-5um Reflective Light The distance between the fringes controls what wavelength is reflected Up to 10 m long continuous Chirped fiber Bragg Grating !! × × △ PROXIMION c 2007 Proximion Fiber Systems AB All rights reserved Completely passive >Uitra-ow loss Small size that enables plug-in board solutions >No non-linear effects, No"latency > Full dispersion slope compensation PROXIMION c 2007 Proximion Fiber Systems AB All rights reserved DCM-CB technically superior to DCF (100-500 times) Affects on effective bandwidth???? ≥600 L500 400 nL300 200 100 50-100ys <150ns 20 30 50 60 7 8090100110120 PROXIMION c 2007 Proximion Fiber Systems AB All rights reserved Tailor-made LEAF@ Dispersion Compensation 5% 0% 1530 1540 1550 1560 1570 c 口-5% 10% -15% 10% 2 PROXIMION c 2007 Proximion Fiber Systems AB All rights reserved Span length independent Enables low cost amplification solutions 12 Less than 3 8 10 Above 8 dB dB 8 20 30 4050 60 70 8090100110120 PROXIMION c 2007 Proximion Fiber Systems AB All rights reserved 4 dBm 20 dBm 4 dbm D SMF-28 VS -4 dBm 17 dBm (↓ SMF-28 PROXIMION c 2007 Proximion Fiber Systems AB All rights reserved No Latency Only one loop required for Transient Suppression One loop enables the use of a Single Optical Pump LOW LOSS→ Less pump power, Low NF Enables single Stage pre-Amp CONTROL CONTROL C○ NTROL LOOP L○OP LOOP PROXIMION c 2007 Proximion Fiber Systems AB All rights reserved Fⅸ xed DCM products 5 25 35 45 风减A 1520 1530 1540 1550 1560 1570 Continuous band mmmmmmmmrnronomorornrronnonnnnranon 10 -20 1520 1530 1540 1550 1560 1570 Channelized PROXIMION c 2007 Proximion Fiber Systems AB All rights reserved

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