| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Two Diode Lasers Simultaneously Optically Locked by Orthogonal Polarizations of a Monolithic Confocal Cavity |
| PENG Yu1,2**, ZHAO Yang1,2, LI Ye1, YANG Tao1, CAO Jian-Ping1, FANG Zhan-Jun1, ZANG Er-Jun1
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1Center of Time and Frequency Metrology, National Institute of Metrology, Beijing 100013
2Department of Precision Instruments and Mechanology, Tsinghua University, Beijing 100084
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| Cite this article: |
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PENG Yu, ZHAO Yang, LI Ye et al 2011 Chin. Phys. Lett. 28 104208 |
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Abstract We demonstrate two self-injection locking extended cavity diode lasers (ECDLs) using resonant optical feedback independently from s- and p-polarizations of a monolithic folded Fabry–Perot confocal cavity (MFC). The relative frequency shift of adjacent axial modes of s resonance and p resonance of MFC is around 1.030 GHz. Beat note measurements between the two ECDLs are performed and present a relative linewidth of 4 kHz. With the help of a narrow-linewidth reference laser, the linewidth of s-component and p-component ECDLs are measured to be about 32 kHz and 40 kHz, respectively.
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| Keywords:
42.55.Px
42.60.Da
42.60.By
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Received: 11 July 2011
Published: 28 September 2011
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| PACS: |
42.55.Px
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(Semiconductor lasers; laser diodes)
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42.60.Da
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(Resonators, cavities, amplifiers, arrays, and rings)
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42.60.By
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(Design of specific laser systems)
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