Amplified spontaneous emission in active channel waveguides produced by electron-beam lithography in LiF crystals

R.M. Montereali, M. Piccinini, E. Burattini

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Abstract

In this letter we report the observation of amplified spontaneous emission of the red light from LiF:F2centers in active channel waveguides realized by electron-beam lithography in lithium fluoride crystals. Low pumping power densities have been used in quasi-continuous-wave regime at room temperature; the appreciable values of the gain coefficients, 4.67 cm-1with an exciting power density of 0.31 W/cm2at 458 nm, make this material a good candidate for the realization of active integrated optical devices. © 2001 American Institute of Physics.
Original languageEnglish
Pages (from-to)4082 - 4084
Number of pages3
JournalApplied Physics Letters
Volume78
Issue number26
DOIs
Publication statusPublished - 25 Jun 2001
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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