Modal noise reduction of laser diodes with specific thickness coating
- 7 June 1984
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 20 (12) , 504-505
- https://doi.org/10.1049/el:19840350
Abstract
A low facet reflectivity laser diode is able to oscillate in multilongitudinal modes, and has a high relative intensity noise (RIN) and reduces mode hopping noise. By introducing the electron-cyclotron-resonance (ECR) plasma deposition method, a good facet coating film has been obtained. We have demonstrated that a specific coated laser has very low modal noise characteristics even under direct analogue intensity modulation.Keywords
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