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http://dx.doi.org/10.3807/KJOP.2003.14.5.509

Fabrication and characterization of XPM based wavelength converter module with monolithically integrated SOA's  

김종회 (한국전자통신연구원 반도체.원천기술연구소 광통신소자연구부)
김현수 (한국전자통신연구원 반도체.원천기술연구소 광통신소자연구부)
심은덕 (한국전자통신연구원 반도체.원천기술연구소 광통신소자연구부)
백용순 (한국전자통신연구원 반도체.원천기술연구소 광통신소자연구부)
김강호 (한국전자통신연구원 반도체.원천기술연구소 광통신소자연구부)
권오기 (한국전자통신연구원 반도체.원천기술연구소 광통신소자연구부)
엄용성 (한국전자통신연구원 반도체.원천기술연구소 광통신소자연구부)
윤호경 (한국전자통신연구원 반도체.원천기술연구소 광통신소자연구부)
오광룡 (한국전자통신연구원 반도체.원천기술연구소 광통신소자연구부)
Publication Information
Korean Journal of Optics and Photonics / v.14, no.5, 2003 , pp. 509-514 More about this Journal
Abstract
Mach-Zehnder interferometric wavelength converters with monolithically integrated semiconductor optical amplifiers (SOA's) have been fabricated and characteristics of wavelength conversion at 10 Gb/s have been investigated for wavelength span of 40 nm. The devices have been achieved by using a butt-joint combination of buried ridge structure type SOA's and passive waveguides. In the integration, a new method has been applied that removes p+InP cladding layer leading to high propagation loss and forms simultaneously the current blocking and the cladding layer using undoped InP. The module packaging has been achieved by using a titled fiber array for effective coupling into the tilted waveguide in the wavelength converter. Using the module, wavelength conversion with power penalty lower than 1 ㏈ at 10 Gb/s has been demonstrated for wavelength span of 40 nm. In addition, it is show that the module can provide 2R (re-amplification, re-shaping) operation by demonstrating the conversion with the negative penalty.
Keywords
all-optical devices; integrated optics devices; semiconductors; optical amplifiers; optical communications;
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