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Novel tunable pulsed dye laser holography and subsequent processing for fabrication of optoelectronic device gratings

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2 Author(s)
Contolini, R.J. ; Bell Communications Research, Inc., Red Bank, USA ; Osinski, J.S.

A tunable pulsed UV laser holographic system is described which has the capability for ease of fabrication of multiplexed laser arrays, chirped gratings and millimetre-long distributed feedback lasers. First-order optoelectronic gratings (periods of approximately 2500 Å) have been produced over the entire surface of 2 in (50.8 mm) InP substrate wafers. Diffraction efficiencies above 90% and grating depths of 1400 Å are reported.

Published in:

Electronics Letters  (Volume:22 ,  Issue: 19 )