AOI Introduces 2.5 Gbps DWDM Lasers.SUGAR LAND, Texas -- Applied Optoelectronics, Inc. (AOI), a leading manufacturer of laser diodes, photodetectors, and optical modules for fiber optic communications systems, has announced the introduction of dense wavelength division multiplexing See WDM. (DWDM (Dense WDM) The term given to wavelength division multiplexing (WDM) when significantly more channels were being added. Since WDM is increasingly more "dense" all the time, both terms are used synonymously. See WDM. DWDM - wavelength division multiplexing ) transmitter lasers capable of 200 km transmission distances. AOI's proprietary laser technology is the key to ensuring the high performance and reliability of these new devices. These DWDM lasers feature: --Greater than 200 km (3,600 ps/nm) transmission in a single-mode fiber --Integrated high speed, low dispersion penalty distributed-feedback (DFB DFB acronym for dark, firm, dry meat. Called also dark cutting beef. ), multiquantum-well (MQW) laser --Compatible with direct modulation at up to 2.5 Gbps, for OC-48/STM-16 applications --Available in the full range of C-band ITU-T See ITU. ITU-T - International Telecommunications Union G.692 recommended wavelengths at 100 GHz spacing. --Hermetically sealed, industry-standard 14-pin butterfly package with optical isolator --25 OHM RF input impedance --Meets GR 468 reliability specifications "As fiber optic communication networks are expanding and growing, the demand for more cost efficient solutions is rising. DWDM technology allows network operators to increase their capacity while avoiding the costly installation of additional infrastructure", comments Dr. Zulfikar Morbi, Product Manager at AOI. "With AOI's advanced molecular beam epitaxy A technique that "grows" atomic-sized layers on a chip rather than creating layers by diffusion. fabrication technology, we can provide a long reach product that guarantees the transmission distance necessary to meet this emerging customer demand." Also available is a 10 mW DWDM "butterfly"-packaged laser for 120 km transmission distance without an EDFA (Erbium-Doped Fiber Amplifier) A device that boosts the signal in an optical fiber. Introduced in the late 1980s, the EDFA was the first successful optical amplifier. . This device combines the low dispersion penalty of the 200 km devices with +10 dBm optical output power. This combination enables amplifier-free operation in many metropolitan-area network applications. Additional information is available at: www.ao-inc.com. |
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