Design and testing of an optical routing device with reconfigurable optical add/drop multiplexer and interleaver functions

Wu, Po-Tsung; Chen, Changlin; Liang, Tsair–Chun

doi:10.1117/1.oe.57.5.056109

Cited by 1 publication

(2 citation statements)

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“…The proposed router can be used as a DWDM metropolitan area network, inter-domain switching medium (OXC function), and can help connect new and old systems (interleaver function) to increase network flexibility. Furthermore, we used optical switches to select the desired channel in this study, which is different from previous studies using the channels required for FBG modulation [3]. In addition to greatly improving the response speed of optical signal exchange, the system's homodyne crosstalk will also increase by about 30 dB when the ROADM is executed, which improves the performance of the system.…”

Section: Introductionmentioning

confidence: 99%

“…As the demand for wavelengths of optical communication signals continues to increase, the number of fibers laid in adjacent network nodes has also increased. Systems containing reconfigurable optical add/drop multiplexers (ROADMs) and optical cross-connects (OXCs) have generated a large number of development requirements [1][2][3]. Dense wavelength division multiplexing (DWDM) technology has also been developed.…”

Section: Introductionmentioning

confidence: 99%

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Design of Novel Fiber Optical Flexible Routing System

Wu¹,

Liang²

2019

Applied Sciences

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In this paper, we propose a new versatile routing device that utilizes arrayed waveguide gratings (AWGs), optical switches, and optical circulators to implement reconfigurable optical add/drop multiplexers (ROADMs), optical interleavers, and optical cross-connect (OXC). With the development of dense wavelength division multiplexing (DWDM) technology, ROADM and OXC technologies have also been put into practical use. Thus, the optical signal can be routed directly in the optical network according to its wavelength without the need for optical-electrical-optical (OEO) conversion. Although different optical network units (ONUs) have different bandwidth requirements, the use of optical interleavers has successfully solved the connection problem between old and new systems. According to the numerical experiments of static characteristics, the proposed routing device can effectively implement three different functionalities, thereby providing greater flexibility for fiber optic network applications.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%