Optical element and optical module

Coherent light generators – Particular active media – Semiconductor

Reexamination Certificate

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Details

C372S043010, C257S184000, C257S431000, C257SE31097, C257SE31109

Reexamination Certificate

active

07339971

ABSTRACT:
An optical element comprising: a surface-emitting type semiconductor laser having an emission surface; and a photodetector element formed above the emission surface of the surface-emitting type semiconductor laser, wherein the photodetector element includes a semiconductor layer having a photoabsorption layer, the semiconductor layer having a film thickness d that satisfies a formula (1) as follows:in-line-formulae description="In-line Formulae" end="lead"?(2m−1)λ/4n−3λ/16n<d<(2m−1)λ/4n+3λ/16n . . . ,   (1)in-line-formulae description="In-line Formulae" end="tail"?where m is an integer, n is a refractive index of the semiconductor layer, and λ is a designed wavelength of the surface-emitting type semiconductor laser.

REFERENCES:
patent: 5107307 (1992-04-01), Onose et al.
patent: 5216237 (1993-06-01), Ritchie et al.
patent: 5887013 (1999-03-01), Lee et al.
patent: 6654518 (2003-11-01), Liu
patent: 7239001 (2007-07-01), Pautet et al.
patent: 7242026 (2007-07-01), Fujiwara et al.
patent: 7260137 (2007-08-01), Sato et al.
patent: 2005/0152423 (2005-07-01), Kaneko
patent: 2006/0256825 (2006-11-01), Matsumura et al.
patent: A 10-135568 (1998-05-01), None
Unlu et al.; “Resonant Cavity Enhanced Photonic Devices;” Journal of Applied Physics vol. 28, No. 2, Jul. 1995, pp. 607-639.
Shin et al.; “Vertical-Cavity Surface-Emitting Lasers for Optical Data Storage;” Japan Journal of Applied Physics, vol. 35, 1996, pp. 506-507.

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