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Optical Modules for PONs
Nov 2005
Applied Optoelectronics Inc. (AOI)Request Info
SUGAR LAND, Texas, Nov. 7 -- Applied Optoelectronics Inc. (AOI), a manufacturer of laser diodes, photodetectors and optical modules for fiber optic communications systems, is introducing optical modules for passive optical networks (PONs).

AOI is offering bidirectional and tri-port optical blocks for Gigabit PON (G-PON) and Ethernet PON (E-PON) applications. These optical blocks incorporate the company's advanced laser diodes and photodiodes with integrated wavelength division multiplexers (WDMs) to enable full-duplex communications over a single optical fiber.

Both types of modules are offered in a variety of configurations depending on the optical link budget required. They are offered with both Fabry-Perot- and distributed feedback- type laser diodes. Several options for photodetectors are also available. The G-PON style optical blocks support downstream bit rates up to 2.488 Gb/s and upstream rates of 1.25 Gb/s. Both optical line terminal- (OLT) and optical network unit- style devices are available.

"These optical blocks offer the performance necessary for next-generation PON-type fiber-to-the-home networks for both G-PON (ITU-T G.984) and GE-PON (IEEE 802.3ah) applications," said Stefan Murry, AOI's vice president of sales and marketing.

Both OLT- and optical network terminal- style devices feature single-fiber output and the wavelength-separation components necessary to allow full-duplex communication over a single fiber using WDM. Samples of these devices are available in a variety of configurations. Volume shipments are expected to begin in December.

For more information, visit:; e-mail:

Applied Optoelectronics Inc.
13111 Jess Pirtle Blvd.
Sugar Land, TX, 77478
Phone: (281) 295-1800
Web site:


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