Nonlinear refractive index measurement in chalcogenide-glass fibers by self-phase modulation
Masaki AsobeNTT Opto-Electronics Laboratories, 3-1 Morinosato-wakamiya, Atsugi, Kanagawa, 243-01 JapanKenichi SuzukiNTT Opto-Electronics Laboratories, 3-1 Morinosato-wakamiya, Atsugi, Kanagawa, 243-01 JapanTerutoshi KanamoriNTT Opto-Electronics Laboratories, 3-1 Morinosato-wakamiya, Atsugi, Kanagawa, 243-01 JapanK. KuboderaNTT Opto-Electronics Laboratories, 3-1 Morinosato-wakamiya, Atsugi, Kanagawa, 243-01 Japan
1992en
ABI
Annotatsiya
Nonlinear refractive index (n2) of chalcogenide-glass (As2S3) fibers has been evaluated for the first time from spectral broadening due to self-phase modulation. The obtained value of n2 was 1.7×10−14 (cm2/W) which is two orders of magnitude higher than the value with silica-glass fiber. This large n2 value is useful in reducing switching power and size when fiber is used for all-optical switches.
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