Optical CDMA components requirements

James K. Chan

doi:10.1117/12.319643

19 August 1998 Optical CDMA components requirements

James K. Chan

Proceedings Volume 3547, Semiconductor Lasers III; (1998) https://doi.org/10.1117/12.319643
Event: Photonics China '98, 1998, Beijing, China

Abstract

Optical CDMA is a complementary multiple access technology to WDMA. Optical CDMA potentially provides a large number of virtual optical channels for IXC, LEC and CLEC or supports a large number of high-speed users in LAN. In a network, it provides asynchronous, multi-rate, multi-user communication with network scalability, re-configurability (bandwidth on demand), and network security (provided by inherent CDMA coding). However, optical CDMA technology is less mature in comparison to WDMA. The components requirements are also different from WDMA. We have demonstrated a video transport/switching system over a distance of 40 Km using discrete optical components in our laboratory. We are currently pursuing PIC implementation. In this paper, we will describe the optical CDMA concept/features, the demonstration system, and the requirements of some critical optical components such as broadband optical source, broadband optical amplifier, spectral spreading/de- spreading, and fixed/programmable mask.

Citation Download Citation

James K. Chan "Optical CDMA components requirements", Proc. SPIE 3547, Semiconductor Lasers III, (19 August 1998); https://doi.org/10.1117/12.319643

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