Referenced Items are not available for this document.
High-performance multiple-wavelength photonic integrated InGaAs-GaAs MQW DBR VCSEL laser emitter arrays with a manufacturable planar scheme are demonstrated for low-cost multimode wavelength-division-multiplexing (WDM) local-area networks. Each array consists of eight pie-shaped bottom-emitting vertical-cavity lasers (VCL's) enclosed within a 60-/spl mu/m-diameter circle for direct-coupling into a single multimode fiber. The arrays exhibit a wide 32.9-nm lasing wavelength span and relatively high 7.3-mW single-channel output. In particular, we have achieved a differential efficiency as high as 50.2% and a maximum wall-plug efficiency of 11.8%. These devices operate with multilateral modes and have a wide 3-dB spectral bandwidth of 1.7 nm in average, which makes them especially suitable for multimode fiber systems.
Published in:
Photonics Technology Letters, IEEE
(Volume:10
,
Issue:
6
)
Date of Publication: June 1998
- Page(s):
- 766 - 768
- ISSN :
- 1041-1135
- INSPEC Accession Number:
- 5930455
- Digital Object Identifier :
- 10.1109/68.681477
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- June 1998
- Sponsored by :
- IEEE Photonics Society
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