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Photoluminescence from voids created by femtosecond laser pulses inside cubic-BN
- Publication Year :
- 2015
-
Abstract
- Photoluminescence (PL) from femtosecond laser modified regions inside cubic-boron nitride (c-BN) was measured under UV and visible light excitation. Bright PL at the red spectral range was observed, with a typical excited state lifetime of $\sim 4$~ns. Sharp emission lines are consistent with PL of intrinsic vibronic defects linked to the nitrogen vacancy formation (via Frenkel pair) observed earlier in high energy electron irradiated and ion-implanted c-BN. These, formerly known as the radiation centers, RC1, RC2, and RC3 have been identified at the locus of the voids formed by single fs-laser pulse. The method is promising to engineer color centers in c-BN for photonic applications.<br />Comment: 4 figures
Details
- Database :
- arXiv
- Publication Type :
- Report
- Accession number :
- edsarx.1510.01887
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1364/OL.40.005711