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Monolithically Integrated Wavelength-Routing Switch Using Tunable Wavelength Converters with Double-Ring-Resonator Tunable Lasers
Toru SEGAWA Shinji MATSUO Takaaki KAKITSUKA Yasuo SHIBATA Tomonari SATO Yoshihiro KAWAGUCHI Yasuhiro KONDO Ryo TAKAHASHI
IEICE TRANSACTIONS on Electronics
Publication Date: 2011/09/01
Online ISSN: 1745-1353
Print ISSN: 0916-8516
Type of Manuscript: PAPER
monolithic integration, photonic integrated circuits, tunable laser, wavelength conversion, all-optical switch,
Full Text: FreePDF
We present an 88 wavelength-routing switch (WRS) that monolithically integrates tunable wavelength converters (TWCs) and an 88 arrayed-waveguide grating. The TWC consists of a double-ring-resonator tunable laser (DRR TL) allowing rapid and stable switching and a semiconductor-optical-amplifier-based optical gate. Two different types of dry-etched mirrors form the laser cavity of the DRR TL, which enable integration of the optical components of the WRS on a single chip. The monolithic WRS performed 18 high-speed wavelength routing of a non-return-to-zero signal at 10 Gbit/s. The switching operation was demonstrated by simultaneously using two adjacent TWCs.