Kapon, E. and Rav-Noy, Z. and Lu, L. T. and Yi, M. and Margalit, S. and Yariv, A. (1984) Phase-locking characteristics of coupled ridge-waveguide InP/InGaAsP diode lasers. Applied Physics Letters, 45 (11). pp. 1159-1161. ISSN 0003-6951. doi:10.1063/1.95087. https://resolver.caltech.edu/CaltechAUTHORS:KAPapl84e
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Abstract
The phase-locking characteristics of two coupled, ridge waveguide InP/InGaAsP diode lasers emitting at 1.2 µm were investigated experimentally. The phase locking of the lasers was verified by the observation of phase-locked modes (supermodes) in the spectrally resolved near fields and distinct diffraction patterns in the far field. By independent control of the laser currents it was possible to vary continuously the mutual phase shift between the two phase-locked lasers and thus steer the far-field diffraction lobes. In addition, the separate current control could be utilized to obtain single longitudinal mode oscillation of the phase-locked lasers. Variation in one of the laser currents resulted then in tuning of the wavelength of this single mode over a range of 90 Å.
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| Additional Information: | Copyright © 1984 American Institute of Physics. Received 9 July 1984; accepted 27 August 1984. The research described in this letter was performed under contracts with the Office of Naval Research and the National Science Foundation. E. Kapon would like to acknowledge the support of the Weizmann Postdoctoral Fellowship. | |||||||||
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| Subject Keywords: | PHASE SHIFT, FREQUENCY SELECTION, MODE LOCKING, TUNING, SEMICONDUCTOR LASERS, COUPLING, INDIUM PHOSPHIDES, GALLIUM PHOSPHIDES, GALLIUM ARSENIDES | |||||||||
| Issue or Number: | 11 | |||||||||
| DOI: | 10.1063/1.95087 | |||||||||
| Record Number: | CaltechAUTHORS:KAPapl84e | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:KAPapl84e | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 12232 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Archive Administrator | |||||||||
| Deposited On: | 29 Oct 2008 23:53 | |||||||||
| Last Modified: | 08 Nov 2021 22:26 |
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