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High-sensitivity multi-channel single-interferometer DPSK receiver
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DOI：10.1364/OE.14.010984.png)
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A high-sensitivity method of demodulating wavelength-division-multiplexed optical DPSK channels using a single interferometer is described and demonstrated. We show that this technique can operate within existing standards and achieve near-quantum-limited receiver performance. The resulting hardware simplification has potential to reduce the cost of deploying and scaling future wide-band optical-communication networks employing WDM-DPSK. (c) 2006 Optical Society of America.
