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Phase Demodulation of DPSK Signals Using Dual-Bus Coupled Silicon Micro-Ring Resonator
Rai KOU Sungbong PARK Tai TSUCHIZAWA Hiroshi FUKUDA Hidetaka NISHI Hiroyuki SHINOJIMA Koji YAMADA
IEICE TRANSACTIONS on Electronics
Publication Date: 2012/02/01
Online ISSN: 1745-1353
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on Photonic Devices using Nanofabrication Technology and Their Applications)
silicon photonics, silicon micro-ring resonator, phase demodulation, differential-phase-shift keying (DPSK),
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We demonstrate phase demodulation of 10-Gbps DPSK signals using a silicon micro-ring resonator with a radius of 10 µm and with various coupling gaps for light of ∼1550 nm in wavelength. Influence of the Q factors and transmissions of the resonators on the response speed and power balance of the two output ports is discussed. Furthermore, temperature sensitivity on resonance peak was measured and we discuss its effect on practical demodulation application.