Kapon, E. and Lindsey, C. and Katz, J. and Margalit, S. and Yariv, A. (1984) Chirped arrays of diode lasers for supermode control. Applied Physics Letters, 45 (3). pp. 200-202. ISSN 0003-6951 http://resolver.caltech.edu/CaltechAUTHORS:KAPapl84c
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We propose nonuniform structures of phase-locked diode lasers, which make it possible to discriminate efficiently against all the higher order array supermodes (lateral modes). In these nonuniform arrays, the effective mode index in each channel varies across the array. Consequently, the envelopes of the various supermodes, including the highest order one, differ significantly from each other. Thus, by proper tailoring of the gain distribution across the array, one can conveniently select the fundamental supermode. Such fundamental supermode oscillation is essential in order to obtain single lobe, diffraction limited beams and minimal spectral spread from phase-locked laser arrays.
|Additional Information:||Copyright © 1984 American Institute of Physics. Received 9 April 1984; accepted 2 May 1984. The research described in this letter was performed jointly by the Applied Physics Department, California Institute of Technology, under contracts with the Office of Naval Research, the Air Force Office of Scientific Research, and the Jet Propulsion Laboratory under contract with the National Aeronautics and Space Administration. E. Kapon would like to acknowledge the support of the Weizmann Postdoctoral Fellowship.|
|Subject Keywords:||frequency modulation, semiconductor lasers, oscillation modes, gain, mode locking, waveguides, optical modes, eigenfrequency, design, semiconductor diodes|
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|Deposited On:||12 Nov 2008 07:07|
|Last Modified:||26 Dec 2012 10:30|
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