【摘 要】
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We propose a kind of spectral polarization-encoding (SPE) for broadband light pulses,which is realized by inducing optical rotatory dispersion (ORD),and decoded
【机 构】
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Shenzhen Key Laboratory of Micro-Nano Photonic Information Technology,Key Laboratory of Optoelectron
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We propose a kind of spectral polarization-encoding (SPE) for broadband light pulses,which is realized by inducing optical rotatory dispersion (ORD),and decoded by compensating ORD.Combining with polarization-sensitive devices,SPE can not only work to control polarization-dependent transmission for central wavelength or bandwidth-tunable filtering,but also can be used for broadband regenerative or multi-pass amplification with a polarization-dependent gain medium to improve output bandwidth.SPE is entirely passive thus very simple to be designed and aligned.By using an ORD crystal with a good transmission beyond 3-μm mid-infrared region,e.g.,AgGaS2,SPE promises to be applied for the wavelength tuning lasers in mid-infrared region,where the tunning devices are rather under developed compared with those in visible and near-infrared region.
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