Abstract

We apply optical parametric amplification to amplify weak ballistic photons and suppress the multiple-scattering background. Single-photon pulses of the reflectance imaging signal are amplified with over 50 dB gain. Improvements in imaging depth are demonstrated.

© 2018 The Author(s)

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