Pennings, E. C. M. and Deri, R. J. and Scherer, A. and Bhat, R. and Hayes, T. R. and Andreadakis, N. C. and Smit, M. K. and Soldano, L. B. and Hawkins, R. J. (1991) Ultracompact, low-loss directional couplers on InP based on self-imaging by multimode interference. Applied Physics Letters, 59 (16). pp. 1926-1928. ISSN 0003-6951. http://resolver.caltech.edu/CaltechAUTHORS:PENapl91
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We report extremely compact (494-µm-long 3 dB splitters, including input/output bends), polarization-insensitive, zero-gap directional couplers on InP with a highly multimode interference region that are based on the self-imaging effect. We measured cross-state extinctions better than 28 dB and on-chip insertion losses of 0.5 dB/coupler plus 1 dB/cm guide propagation loss at 1523 nm wavelength.
|Additional Information:||Copyright © 1991 American Institute of Physics (Received 12 June 1991; accepted 12 August 1991) We acknowledge useful conversations and technical assistance from L. M. Schiavone. This work was supported in part under the auspices of the U.S. Department of Energy under contract No. W-7405-ENG-48.|
|Subject Keywords:||DESIGN; INDIUM PHOSPHIDES; LIGHT TRANSMISSION; OPTICAL FILTERS; WAVEGUIDES; OPTICAL COUPLERS; INTEGRATED OPTICS; OPTOELECTRONIC DEVICES; LIGHT INTERFERENCE|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||Archive Administrator|
|Deposited On:||23 Aug 2006|
|Last Modified:||26 Dec 2012 08:59|
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