Abstract

We have experimentally demonstrated the supercontinuum (SC) generation in the As2Se3–As2S3 multimaterial chalcogenide glass fiber with ultrahigh-numerical aperture (NA∼1.4). The fiber preform was fabricated via a modified one-step coextrusion method before it was drawn into the small-core fiber. With a 10-μm diameter As2Se3 core and a 246-μm diameter As2S3 cladding, the fiber exhibited a zero-dispersion wavelength near 4.5 μm, and a minimum loss around 5.2 dB/m at 5.8 μm. The generated SC spanning from 1.4 to 8.8 μm was generated in a 20-cm-long fiber pumped by a 4.8 μm laser with a short-pulse width of ∼150 fs. The numerical modeling of midinfrared supercontinuum generation in a fiber with an exceptionally high NA at 3.5 and 4.8 μm was presented as well, which were in agreement with their respective experimental results.

© 2016 IEEE

PDF Article

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription