| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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A Special Sampling Structure with an Arbitrary Equivalent-Phase-Shift for Semiconductor Lasers and Multiwavelength Laser Arrays |
| ZHOU Ya-Ting1,2**, SHI Yue-Chun1, LI Si-Min1, LIU Sheng-Chun1, CHEN Xiang-Fei1**
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1 Microwave-Photonics Technology Laboratory, Nanjing National Laboratory of Microstructures, School of Engineering and Applied Sciences, Nanjing University, Nanjing 210093
2 Changzhou Institute of Technology, Changzhou 213002
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| Cite this article: |
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ZHOU Ya-Ting, SHI Yue-Chun, LI Si-Min et al 2011 Chin. Phys. Lett. 28 074207 |
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Abstract A method used to introduce an arbitrary equivalent-phase-shift (EPS) into an asymmetric sampled Bragg grating (SBG) is reported. Under the same structural parameters except for the sampling pattern, the asymmetric SBG offers better performance than that of a normal SBG structure for keeping single-longitudinal-mode (SLM) operation. This is because the proposed sampling pattern can suppress the 0th-order light resonance due to the mismatch between the two different grating sections along the whole SBG. This method can be used to design and fabricate semiconductor lasers and multiwavelength laser arrays (MLAs) with the required EPS at high yield and low cost.
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| Keywords:
42.60.By
42.55.Px
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Received: 16 February 2011
Published: 29 June 2011
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| PACS: |
42.60.By
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(Design of specific laser systems)
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42.55.Px
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(Semiconductor lasers; laser diodes)
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