A p-i-n avalanche photodiode (APD) using GaNAs grown on GaAs has been demonstrated. Characterization of the excess noise in the material was used to determine that the ratio of ionization coefficients (k=β/α) is k=0.4. The quantum efficiency was above 25% at 0.94 μm for 0.75% nitrogen incorporation. The APDs exhibited low dark currents (<60 nA/mm2 at 90% of breakdown) and a gain-bandwidth product of 42 GHz. GaNAs therefore shows promise for extending the operation of GaAs-based APDs to longer wavelengths.

Topics
Electric currents, P-N junctions, Photodiodes, Quantum efficiency, Gas discharges, Chemical compounds
1.
I. A.
Buyanova
,
W. M.
Chen
,
B.
Monemar
,
H. P.
Xin
, and
C. W.
Tu
,
Appl. Phys. Lett.
75
,
3781
(
1999
).
Google Scholar
 
2.
M.
Kondow
,
K.
Uomi
,
A.
Niwa
,
T.
Kitatani
,
S.
Watahiki
,
Y.
Yazawa
,
K.
Hosomi
, and
T.
Mozume
,
Solid-State Electron.
41
,
209
(
1996
).
Google Scholar
 
3.
W. G.
Bi
and
C. W.
Tu
,
Mater. Res. Soc. Symp. Proc.
449
,
203
(
1997
).
Google Scholar
 
4.
D. W.
Gotthold
,
S.
Govindaraju
,
T.
Mattord
,
A. L.
Holmes
, Jr., and
B. G.
Streetman
,
J. Vac. Sci. Technol. A
18
,
461
(
2000
).
Google Scholar
 
5.
C.
Lenox
,
H.
Nie
,
G.
Kinsey
,
P.
Yuan
,
A. L.
Holmes
, Jr.,
B. G.
Streetman
, and
J. C.
Campbell
,
Appl. Phys. Lett.
73
,
3405
(
1998
).
Google Scholar
 
6.
R. J.
McIntyre
,
IEEE Trans. Electron Devices
13
,
164
(
1966
).
Google Scholar
 
7.
C.
Hu
,
K. A.
Anselm
,
B. G.
Streetman
, and
J. C.
Campbell
,
IEEE J. Quantum Electron.
33
,
1089
(
1997
).
Google Scholar
 
8.
G. E.
Bulman
,
V. M.
Robbins
,
K. F.
Brennan
,
K.
Hess
, and
G. E.
Stillman
,
IEEE Electron Device Lett.
EDL–4
,
181
(
1983
).
Google Scholar
 
9.
K. F.
Li
,
D. S.
Ong
,
J. P. R.
David
,
R. C.
Tozer
,
G. J.
Rees
,
P. N.
Robson
, and
R.
Grey
,
IEE Proc.: Optoelectron.
146
,
21
(
1999
).
Google Scholar
 
10.
J. B.
Héroux
,
X.
Yang
, and
W. I.
Wang
,
Appl. Phys. Lett.
75
,
2716
(
1999
).
Google Scholar
 
11.
R. B.
Emmons
,
J. Appl. Phys.
38
,
3705
(
1967
).
Google Scholar
 
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