Photonic ADM in multi-wavelength ring networks

Yuefeng Ji; Yunfeng Shen; Wanyi Gu

doi:10.1117/12.265359

30 January 1997 Photonic ADM in multi wavelength ring networks

Yuefeng Ji, Yunfeng Shen, Wanyi Gu

Proceedings Volume 2918, Emerging Components and Technologies for All-Optical Photonic Systems II; (1997) https://doi.org/10.1117/12.265359
Event: Photonics East '96, 1996, Boston, MA, United States

Abstract

This paper describes a new structure of photonic add/drop multiplexer (ADM), called optical wavelength ADM (OW-ADM), discusses the applications in multi-wavelength optical ring networks and the network characters. This scheme uses optical wavelength as addressing information of data channel and performs all-optical add/drop function at each node by sensing the wavelength, without converting the high-speed data to electronic form. The key components in OW-ADM include wavelength grating router (WGR), optical switch, optical coupler and band reject filter. The thought is based on wavelength sequence selection (WSS) property of WGR. This OW-ADM can avoid the bottlenecks associated with the convention between optical signal and electrical signal and accomplish all-optical transparent transmission. It also has the following good features: (1) all-optical self-healing; (2) dual-function of ADM and protection switching; (3) self- test function; (4) small crosstalk and small wavelength interval; (5) wavelength-reuse capability, etc.

Citation Download Citation

Yuefeng Ji, Yunfeng Shen, and Wanyi Gu "Photonic ADM in multi wavelength ring networks", Proc. SPIE 2918, Emerging Components and Technologies for All-Optical Photonic Systems II, (30 January 1997); https://doi.org/10.1117/12.265359

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