optical communications essentials

... 3. 1.5.2. Optical communications band The optical spectrum ranges from about 5 nm (ultraviolet) to 1 mm (far infrared), the visible region being the 400- to 700-nm band. Optical fiber communications use ... look at a very brief history of optical communications and how this led to present-day systems. For an interesting detailed account of the development of optical communica...

Ngày tải lên: 04/07/2014, 06:56

... half-iterations (i.e., no further corrections are done). 4. RS PRODUCT CODE DESIGN FOR OPTICAL COMMUNICATIONS Two optical communication scenarios have been identified as promising applications for ... Journal on Wireless Communications and Networking Volume 2008, Article ID 658042, 14 pages doi:10.1155/2008/658042 Research Article Reed-Solomon Turbo Product Codes for Optical Communi...

Ngày tải lên: 21/06/2014, 23:20

... bandwidth, a proposal to use indoor optical wireless communications has received wide interest [1, 2]. The major advantages of optical systems are low-cost optical devices and virtually unlimited ... +1) k−2 2L k ,1≤ k ≤ L, 1 AL L  i=1 R k−i , k>L. (9) DAPPM for Indoor Wireless Optical Communications 7 In an optical wireless system, we compare the perfor- mance of modulation...

Ngày tải lên: 23/06/2014, 00:20

Ngày tải lên: 31/03/2014, 23:56

... Passive Optical Networks, GLOBECOM 2003, pp. 2649-2653. Optical Fiber Communications and Devices 62 (a) Optical pulse (b) Adiabatic chirp DML-A (c) Transient chirp DML-T Fig. 7. Optical ... 1121-1123. Optical Fiber Communications and Devices 60 (a) Pulse intensity and optical phase (b) Pulse intensity and chirp Fig. 5. Pulse intensity, optical phase an...

Ngày tải lên: 21/06/2014, 05:20

... the optical pulse deformation arising from chirp induced by DML becomes too large and causes an error in pulse reconstruction. Before transmission After transmission Optical Fiber Communications ... Diode Lasers and Photonic Integrated Circuits. Wiley Series in Microwave and optical Engineering. Optical Fiber Communications and Devices 76 L S. Yan, C. Yu, Y.Wang, T. L...

Ngày tải lên: 21/06/2014, 05:20

... is an all -optical implementation of OFDM where phase control of adjacent subcarriers is exploited to minimise inter-subcarrier crosstalk interference arising from non- Optical Fiber Communications ... SSMF using FEC, Raman and tunable dispersion compensation. Optical Fiber Communication Conference (2001), PD36. Optical Fiber Communications and Devices 108 0 20 40 60 80 10...

Ngày tải lên: 21/06/2014, 05:20

... coupling an optical signal to generate a single coupled signal efficiently, with low power loss. Optical power meter has been used to measure the optical power from POFs. Bidirectional optical ... (2009). "Fabrication and Characterization of Optical 1x12 Fused-Taper-Twisted Polymer Optical Fiber Splitters." Journal of Optical Communications 30(1): 16-19. Ab-Rahm...

Ngày tải lên: 21/06/2014, 05:20

... make WDM technology feasible are optical line terminals, optical add/drop multiplexers, and optical cross-connectors (Ramaswami & Sivarajan, 2001). An optical line terminal (OLT) includes ... experimentally revealed the optical performance of fiber connections with various air-filled gap sizes. 3.3 Optical performance of fiber connections with imperfect physical contact Th...

Ngày tải lên: 21/06/2014, 05:20

... Optical Fiber Communications and Devices 278 noise as well as the optical pulse format immediately prior to the receiver and the shapes of the optical and electrical ... time-averaged noiseless optical power per channel prior to the optical filter, and B OSA is the noise equivalent bandwidth of an optical spectrum analyzer (OSA) that is used to measure the optical power...

Ngày tải lên: 21/06/2014, 05:20