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The distribution of an ultrafast optical pulse train over multiple fiber links with long-term stable timing precision within 2 femtoseconds rms is accomplished by integrating a polarization maintaining output with 300 meter long fiber links.
We propose an all-optical differentiation scheme based on polarization coupling and filtering while perform it well at 12.5 Gb/s with error ~0.07, which is applicable to high-speed optical signal processing at 40 Gb/s and above.
We present a high quality degenerate source of polarization-entangled photons (0.96 plusmn 0.01 fidelity with a maximally entangled state). Reverse Hong-Ou-Mandel interference in an optical-fiber Sagnac loop deterministically separates the indistinguishable photons.
Secure 2.5 Gbps, 256-ary polarization-multiplexed optical code division multiplexing (OCDM) transmission using a single multi-port optical en/decoder is experimentally demonstrated for the first time.
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