<?xml version="1.0" encoding="UTF-8"?>
<xml>
<records>
<record>
  <contributors>
    <authors>
      <author>Vallés, J.A.</author>
      <author>Galatus, R.</author>
    </authors>
  </contributors>
  <titles>
    <title>Requirements for gain/oscillation in Yb3+/Er3+-codoped microring resonators</title>
    <secondary-title>Proc. SPIE Int. Soc. Opt. Eng.</secondary-title>
  </titles>
  <doi>10.1117/12.2078657</doi>
  <pages/>
  <volume/>
  <number/>
  <dates>
    <year>2015</year>
    <pub-dates>
      <date>2015</date>
    </pub-dates>
  </dates>
  <abstract/>
</record>

</records>
</xml>