Method of making a loss stabilized buried heterostructure laser

Details Method of making a loss stabilized buried heterostructure laser Method of making a loss stabilized buried heterostructure laser

1984-06-04

1985-08-27

Roy, Upendra

Metal working

Plural diverse manufacturing apparatus including means for...

Common reciprocating support for spaced tools

29576E, 29578, 148175, 148 15, 372 46, H01L 21263, H01L 3300, H01S 319

Patent

active

045369402

ABSTRACT:
A buried heterostructure laser which obtains lowest mode operation by larger differences in loss between the lowest and higher order modes is described. The loss is achieved by interface scattering between the mesa and the burying layer. The scattering losses increases with refractive index discontinuity, interface roughness and decreasing mesa width. Stabilization results because scattering losses increase rapidly with the order of the transverse modes.

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patent: 4378255 (1983-03-01), Holonyak et al.
patent: 4426702 (1984-01-01), Yamashita et al.
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"GaAs-Ga.sub.1-x Al.sub.x As Buried-Heterostructure Injection Lasers", Journal of Applied Physics, vol. 45, No. 11, T. Tsukada, Nov. 1974, pp. 4899-4906.
"Highly Efficient (GaAl)as Buried-Heterostructure Lasers With Buried Optical Guide", Applied Physics Letters, 35(7), N. Chinone et al., Oct. 1979, pp. 513-516.
"Buried-Heterostructure AlGaAs Lasers", IEEE Journal of Quantum Electronics, vol. QE-16, No. 2, K. Saito et al., Feb. 1980, pp. 205-214.

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