Semiconductor Bragg reflector and a method of fabricating said r

Details Semiconductor Bragg reflector and a method of fabricating said r Semiconductor Bragg reflector and a method of fabricating said r

1998-06-23

2000-02-08

Bovernick, Rodney

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

372102, 372 96, 372 98, 359 27, 359569, 359 57, 359572, 359576, G02B 532, G02B 518

Patent

active

060233540

ABSTRACT:
A semiconductor Bragg reflector and to a method of fabricating it. The reflector comprises a plurality of stacked layers on a substrate of a III-V type material, one of the stacked layers forming a holographic grating. The layer forming the grating comprises an alternating succession of air pockets and of III-V type material. Such a reflector is particularly suitable for use in laser devices.

REFERENCES:
patent: 4622114 (1986-11-01), Glass et al.
patent: 5033816 (1991-07-01), Blondeau et al.
patent: 5300190 (1994-04-01), Sugimoto et al.
patent: 5726805 (1998-03-01), Kaushik et al.
C. Cremer et al, "Bragg Gratings on INGAASP/INP Waveguides as Polarization Independent Optical Filters" Journal of Lightwave Technology, vol. 7, No. 11, Nov. 1, 1989, pp. 1641-1645.

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