fiber optic communication systems

... Member TECHNICALDATA X = Fiber type, substitute this symbol in part number for desired fiber type as follows: 10 = Single-mode; 50 = 50/125 G.I. Fiber; 62 = 62.5/125 G.I. FDDI Grade Fiber; 62G = 62.5/125 ... Gigabit Grade Fiber; LEAF = Corning LEAF™ Fiber. Multimode riser and plenum cables are available in orange. Single-mode riser and plenum cables are available in yellow. † NR = No...

Ngày tải lên: 11/12/2013, 13:15

... of the resulting optical signal. Most digital lightwave systems employ OOK in combination with PCM. 1.3 Optical Communication Systems As mentioned earlier, optical communication systems differ ... communication systems currently use optical fibers, the commonly used term for them is fiber -optic communication systems. The term lightwave system is also sometimes used for fiber -...

Ngày tải lên: 24/12/2013, 01:16

... channel powers in optical communication systems are typically below 10 mW, SRS is not a limiting factor for single-channel lightwave systems. However, it affects the performance of WDM systems considerably; ... ps/(km-nm). 2.5 Fiber Losses Section 2.4 shows that fiber dispersion limits the performance of optical communi- cation systems by broadening optical pulses as they propagate...

Ngày tải lên: 24/12/2013, 01:16

... recombination time associated with stimulated emission. Most fiber -optic communication systems use semiconductor lasers as an optical source because of their superior performance compared with ... 1.55- µ m optical communication systems operating at bit rates of 2.5 Gb/s or more. DFB lasers are reliable enough that they have been used since 1992 in all transoceanic lightwave systems...

Ngày tải lên: 24/12/2013, 01:16

... G. Swartz, in Optical Fiber Telecommunications II, S. E. Miller and I. P. Kaminow, Eds., Academic Press, San Diego, CA, 1988, Chap. 20. [54] K. Kobayashi, in Optical Fiber Telecommunications ... 14. [5] B. L. Kasper, in Optical Fiber Telecommunications II, S. E. Miller and I. P. Kaminow, Eds., Academic Press, San Diego, CA, 1988, Chap. 18. [6] S. B. Alexander, Optical Communication Re...

Ngày tải lên: 24/12/2013, 01:16

... Gnauck, in Optical Fiber Telecommunications II,S. E. Miller and I. P. Kaminow, Eds., Academic Press, San Diego, CA, 1988, Chap. 21. [2] S. E. Miller and I. P. Kaminow, Eds., Optical Fiber Telecommunications ... Chaps. 22–25. [3] P. E. Green, Jr., Fiber- Optic Networks, Prentice Hall, Upper Saddle River, NJ, 1993. [4] I. P. Kaminow and T. L. Koch, Eds., Optical Fiber Telecommunication...

Ngày tải lên: 24/12/2013, 01:16

... issues for long-haul systems employing a cascaded chain of optical amplifiers. 6.5.1 Optical Preamplification Optical amplifiers are routinely used for improving the sensitivity of optical receivers by ... example, ∆ ν g ∼5 THz for semiconductor optical amplifiers for which T 2 ∼60 fs. Amplifiers with a relatively large bandwidth are preferred for optical communication systems because the ga...

Ngày tải lên: 21/01/2014, 06:20

... Chapter 6 that with the advent of optical amplifiers, fiber losses are no longer a major limiting factor for optical communication systems. Indeed, mod- ern lightwave systems are often limited by the ... Such systems generally use the existing fiber-cable network installed during the 1980s and 279 Fiber- Optic Communications Systems, Third Edition. Govind P. Agrawal Copyright  2002 J...

Ngày tải lên: 21/01/2014, 06:20

... Channel selection through a tunable optical filter. 8.2 WDM Components The implementation of WDM technology for fiber -optic communication systems re- quires several new optical components. Among them ... signal is in the electric form for electro -optic demultiplexing but consists of an optical pulse train for all-optical demultiplexing. The electro -optic technique uses several MZ-type...

Ngày tải lên: 21/01/2014, 06:20

... is preserved quite well even after 416 CHAPTER 9. SOLITON SYSTEMS 9.2.4 Soliton Transmitters Soliton communication systems require an optical source capable of producing chirp- free picosecond ... ps/ √ km for high-quality optical fibers, D must exceed 0.06 ps/(nm-km). In the case of DM solitons, D corresponds to the average GVD of the link. 436 CHAPTER 9. SOLITON SYSTEMS Fiber losse...

Ngày tải lên: 21/01/2014, 06:20