Abstract
Due to the high beam divergence of standard laser diodes (LDs), these are not suitable for wavelength-selective feedback without extra optical elements. This letter reports on first prototypes of compact tunable LDs with wavelength-selective feedback via a so-called abnormal reflecting mirror of a low divergent beam coming from a special LD, emitting through the substrate. With this setup, tunable narrow-band (<0.7 nm) lasing is observed showing good temperature stability. Tuning over a range of 5 nm at a maximum power of 0.2 W was demonstrated.
Original language | Undefined |
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Pages (from-to) | 1155-1157 |
Number of pages | 2 |
Journal | IEEE photonics technology letters |
Volume | 13 |
Issue number | 11 |
DOIs | |
Publication status | Published - 2001 |
Keywords
- IR-97950
- METIS-205914