High brightness index-guided parabolic bow-tie laser arrays
Reference:
Causa, F. and Masanotti, D., 2004. High brightness index-guided parabolic bow-tie laser arrays. IEEE Photonics Technology Letters, 16 (9), pp. 2000-2002.
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Abstract
This letter describes a novel 980-nm parabolic bow-tie laser array (PBTLA) that is suitable for high-power and high-brightness operation. Output powers in excess of 2.5 W/facet pulsed in a 1/spl deg/ (lateral) beam, less than twice the diffraction limit, corresponding to 275 MW/spl middot/cm/sup -2//spl middot/sr/sup -1/ brightness, have been measured without the use of external lenses from uncoated PBTLAs fabricated in-house (top metal contact surface area/spl sim/0.1 mm/sup 2/). Experimental results presented in this letter indicate that coherence effects are significant in the operation of such devices. Theoretical models based on the simple diffraction theory and on the coupled-mode theory have been used to interpret the experimental results.
Details
| Item Type | Articles |
| Creators | Causa, F.and Masanotti, D. |
| Uncontrolled Keywords | coherence effects, coupled mode analysis, lateral beam, diffraction theory, index guiding, light diffraction, brightness, parabolic bow-tie laser arrays, coupled mode theory, optical waveguide theory, ingaas-gaas, quantum well material, quantum well lasers, tapered geometry lasers, laser arrays, high brightness operation |
| Departments | Faculty of Engineering & Design > Electronic & Electrical Engineering |
| Refereed | Yes |
| Status | Published |
| ID Code | 5980 |
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