We are currently experiencing intermittent issues impacting performance. We apologize for the inconvenience.
By Topic

Fiber Bragg grating-based large nonblocking multiwavelength cross-connects

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$31 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

2 Author(s)
Yung-Kuang Chen ; Inst. of Electro-Opt. Eng., Nat. Sun Yat-Sen Univ., Kaohsiung, Taiwan ; Chien-Chung Lee

Multiwavelength cross-connects (WXCs) will play a key role to provide mare reconfiguration flexibility and network survivability in wavelength division multiplexing (WDM) transport networks. In this paper, we utilize three different fiber Bragg grating (FBG)-based P-type, S-type, and N-type building blocks with optical circulators and related control devices for constructing large rearrangeably nonblocking N×N WXCs. The P-type building block is composed of certain “parallel” FBG-element chains plated between the control devices of two large mechanical optical switches (OSWs). The S-type building block consists of a “series” of FBG elements and the control device of 2×2 OSWs. The nonswitched N-type building block includes a “series” of FBG elements with appropriate stepping motor or PZT control devices. All FBG elements, each with central wavelength corresponding to equally or unequally spared WDM channel wavelengths, with high-reflectivity are required. Large N×N WXC structures, with minimum number of required constitutive elements, based on a three-stage Clos network are then constructed. We investigate their relevant characteristics, compare the required constitutive elements, and estimate the dimension limits for these WXC architectures. Other related issues such as capacity expansion, wavelength channel spacing, and multiwavelength amplification are also addressed

Published in:

Lightwave Technology, Journal of  (Volume:16 ,  Issue: 10 )