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Stability of astigmatic and twisted optical lensguides

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Abstract

We investigate single mode yield above threshold for index coupled distributed feedback (DFB) lasers and compare that with spatial hole burning (SHB) corrected yield at threshold. If the criterion necessary for the SHB corrected yield is selected properly, the two yields give good agreements. For antireflection-high reflection (AR–HR) facets, the value of coupling strength, κL, which gives the highest single mode yield above threshold is approximately 0.9. In this case, the reflectivity of the AR facet should be less than 1.5

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Authors and Affiliations

  1. School of Electronic Engineering, Soongsil University, 1-1 Sangdo 5 Dong, Dongjak Gu, Seoul, 156-743, Korea

    Sang-Taek Kim & Boo-Gyoun Kim

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  1. Sang-Taek Kim
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  2. Boo-Gyoun Kim
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Correspondence to Boo-Gyoun Kim.

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Kim, ST., Kim, BG. Stability of astigmatic and twisted optical lensguides. Optical and Quantum Electronics 36, 1117–1127 (2004). https://doi.org/10.1007/s11082-004-3980-9

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  • DOI: https://doi.org/10.1007/s11082-004-3980-9

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