Ultrafast polarization‐discriminating Mach‐Zehnder all‐optical switch

Ultrafast polarization‐discriminating Mach‐Zehnder all‐optical switch
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DOI:
10.1063/1.115357
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发表时间:
1995-12
影响因子:
4
通讯作者:
K. Tajima;S. Nakamura;Y. Sugimoto
K. Tajima;S. Nakamura;Y. Sugimoto
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
K. Tajima;S. Nakamura;Y. Sugimoto

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提出了一种偏振鉴别型马赫-曾德(PDDMZ)全光开关。这种PDDMZ全光开关的开关速度不受高效非相干非线性的缓慢弛豫时间的限制。我们展示了一个方形的调制特性,这是必要的,在大多数开关应用中,在40 ps的开关速度(开关时间)。我们还展示了超快开关的检测器的速度限制为108 ps。
We propose a polarization‐discriminating Mach‐Zehnder (PDMZ) all‐optical switch. The switching speed of this PDMZ all‐optical switch is not limited by the slow relaxation time of highly efficient incoherent nonlinearities. We demonstrate a squarelike modulation characteristic, which is necessary in most switching applications, at a switching speed (on‐off time) of 40 ps. We also demonstrate ultrafast switching at a detector limited speed of ∼8 ps.