onlcs
AN INTERNATIONAL PUBLICATION
CONTENTS
pages 123T1312
ANTEN NAS
Calculation of antenna mutual coupling f rom far radiated fields
L. D. Bamford, P. S. Hall and A. Fray (UK) lncompleteness of the periodic moment
method
R. C. Hansen (USA)
Smooth aperture distribution synthesis for shaped beam ref lector antennas B. S. Westcott, A. A. Zaporozhets and A. D. Searle (UK)
CIRCUIT TH EORY & DESIGN
Ratiometric temperatu re stable cu rrent reference
Y. Deval, S. Gervais Ducouret and J. P. Dom (France)
COM M U N I CATI O N S & S I G NAL PROC ESS/ruG
Accurate intenpolation via the discrete W transform
Zhiwei Wang, J. J. Soltis and W C. Miller (Canada)
Bounds and approximations for the bit error probability of convolutional codes A. G. Burr (UK)
Convol uted ra ised -cosi ne and
triangular-cosine ( RCTC) modulation and its performance against timing jitter over noisy channels
X. - H. Chen (Singapore)
Multi-T signalling with coded CPFSK modu lation
J. P. Fonseka (USA)
Performance of generalised concatenated codes on fading channels
S. A. Shavgulidze (Georgia), V. V. Zyablov (Russia), J. Khunjush and K. H. Hofmann (Germany)
Symbol and carrier phase synchronisation of MT-M FSK symbols
M. J. Evans and K. W. Yates (Australia) COMPUTERS, LOGIC & MEMORIES
Fast skew number computation using a CAM and related hardware for an n-bit context predictor
G. A- Betzos and J. V. Oldf ield (USA) ELECTROMAGNETIC WAVES
Novel basis f unction for the equivalent magnetic current in the method of moments solution of dielectric scattering problems
U. Jakobus and F. M. Landstorter (Germany) FILTERS
Novel method for designing digital allpass
f ilters based on eigenvalue problem X. Zhang and H. lwakura (Japan)
8th July 1993 Vol.29
No.14
IMAG E PROCESSIIVG PAgE
lmproved handwritten character recognition using second order information from
training set 1308
Zs. M. Kov5cs, R. Ragazzoni, R. Rovatti and R. Guerrieri (ltaly)
lnterpolative three-level block truncation coding algorithm
E. Oshri, N. Shellyand H. B. Mitchell (lsrael) INFORMATION THEORY
Algorithmic measures for preventing the middleperson attack in identif ication schemes
C. H. Lim and P. J. Lee (Korea)
1267
INTEGRATED OPTICS
High f requency saturation measurements of an
f nGaAs/lnP waveguide photodetector 1298 A. R. Williams, A. L. Kellner and P. K. L. Yu
(usA) page
1299
1245
1275
1284
1282
1287
1239
1278
1257
1 304
1265
1272
1279
LASERS
1 W CW diffraction-limited tunable externa l -cavity sem iconductor laser D. Mehuys, D. Welch and D. Scifres (USA) 20 GHz bandwidth 1 '5 pm wavelength VUG
DFB laser using a zero net strain ln,Ga., -,As"Pr -y Woll active structure grown at constanty
C. Kazmierski, A. Ougazzaden, D. Robein, D. Mathoorasing, M. Blez and A. Mircea (France)
All-solid-state diode-pumped modelocked Cr: LiSAF laser
P. M. W. French, R. Mellish, J. R. Taylor (UK), P. J. Delfyett and L. T. Florez (USA) Analysis of threshold current density of
CdZnSe/ZnSSe strained quantu m wel I
lasers 1260
M. Kuramoto, T. C. Chong, A. Kikuchi and K. Kishin o (Japan)
Laser gain and current density in a disordered 1254
1 290
1262
AlGaAs/GaAs quantum wel I
E. H. Li and K. S. Chan (Hong Kong) Long wavelength stra i ned - layer I nAs/Gal nAs
single-quantum-well laser grown by
molecular beam epitaxy on lnP substrate 1255 E. Tourni| (GermanQ, P. Grunberg, C. Fouillant, S. Kadret, G. Boissier, A. Baranov, A. Joulli6, E. Gaumont-Goarin (France) and K. H. Ploog (Germany)
Low coherence reflectometry using
wavelength -tu na ble superf luorescent f i bre source
K. Takada and M. Horiguchi (Japan)
1 233
1273
(continued on back cover)
THE INSTITUTION OF ELECTRICAL ENGINEERS
CONTENTS
(continued from front cover)
Low threshold optical differential
amplification using a fibre amplifier in a
nonlinear ring resonator
F. J. Fraile-Pelaez, J. Capmany and M. A. Muriel (Spain)
Novel optical circuit suitable for wavelength division bidirectional optical amplification
S. Seikai, S. Shimokado and K. Kusunoki (Japan)
Novel technique for time resolving rare spectral events in DFB lasers
D. J. Danagher, K. S. Visvanatha, R. Morris and R. Wilcox (Canada)
Ref ractive index step and optical conf inement in Gao
""tho ,,oAso .'"Sbo
"r/
Gao r.Alo.rrAso.o.Sbo."" dou ble
heterostructure lasers emitting at 2.2pm M. S. S. Loural, M. B. Z. Morosini,
J. L. Herrera-Perez, A. A. G. Von Zuben, A. C. F. da Silveira and N. B. Patel (Brazil) Singlemode surface emitting laser using partial
mirror disordering
T. G. Dziura, Y. J. Yang, R. Fernandez and S. C. Wang (USA)
M ICROWAVE M EASU R EM ENTS & TECH N IOU ES
Attenuation functions of microwave signals propagated through trees
M. O. Al-Nuaimi and A. M. Hammoudeh (UK) Reduction of measurement error in microwave
reflectometers by minimum sensitivity calibration
J. Ladv5nszky, A. Hilt and l. Csonka (Hungary) Plane wave injection to calculate RCS in a 2-D
TLM network
J. B. Erwin and S. M. Wentworth (USA) NEURAL NETWORKS
Acceleration of backpropagation learning using optimised learning rate and momentum
X.-H. Yu, G.-A. Chen and S.-X. Cheng (China) M in-net winner-take-all CMOS
implementation
Y. He and E. S5nchez-Sinencio (USA) Multiplierless multilayer feedforward neural
network design suitable for continuous input-output mapping
H. K. Kwan and C. 7. Tang (Canada) Very efficient VLSI implementation of GNN
with discrete templates G. C. Cardarilliand F. Sargeni (ltaly)
O PTI CAL CO M M U N I CATI O N S
1 '7 Gbit/s transmission over 217 km using a 16 x 1 photonic integrated circuit transmitter
G. Raybon, U. Koren, M. G. Young, M. A. Newkirk, P. B. Hansen, B. l. Miller, M. Chien, M. Zirngibl, C. Dragone, B. Tell, H. M. Presby and C. A. Burrus (USA) All-optical nonblocking M x Mswitchless
connector with o(JM log M) wavelengths and without wavelength changers
R. A. Barry (USA)
Applying two-stage photonic crossconnect to page time-division multiplexed switch networks 1251 H. Obara and Y. Hamazumi (Japan)
OPTICAL FI BR ES & SEruSOBS
ln-line singlemode fibre interferometer via
concatenated biconical tapers 1276 T. J. Brophy, L. C. Bobb and P. M. Shankar
(usA)
Mechanisms of enhanced UV photosensitivity via hydrogen loading in germanosilicate
glasses 1234
R. M. Atkins, P. J. Lemaire, T. Erdogan and V. Mizrahi (USA)
Overcoming the effects of polishing induced stress when fabricating fused polished couplers
C. V. Cryan, J. M. Lonergan and C. D. Hussey
1243 (lreland)
Viscosity of F and GeO. codoped silica glass 1263 K. Shiraki, M. Ohashi, K. Tajima, M. Tateda and K. Tsujikawa (Japan)
OPTICS
Enhanced single photon fringe visibility in a 10 km long prototype quantum
cryptography channel 1291
P. D. Townsend, J. G. Rarity and P. R. Tapster (U K)
OPTOELECTRON ICS
Multikilohertz all-optical modulator in semiconductor doped glass channel
waveguide 1246
A. S. L. Gomes, Cid B. de Araujo (Brazil), A. Miliou and R. Srivastava (USA)
Proposal for ultra-compact electron transfer
modulator structure 1293
Jin Wang, J. P. Leburton and J. E. Zucker
(usA)
Resonant tunnelling light-emitting diode as
optical switch 1301
S. Raymond, C. Van Hoof, J. Genoe, R. Mertens, G. Borghs,Z" Yan and E. Goovaerts
( Belgium)
+2O dBm output power balanced optical
amplifier module 1248
J.-M. P. Delavaux, Y. K. Park, K. A. Yanushefski, C. D. Chen, T. C. Pleiss, D. J. DiGiovanni (USA) and P. Martin (France)
SEMICONDUCTOR DEVICES & MATERIALS P-type lnP grown at low temperatures by
atomic layer molecular beam epitaxy
(ALM BE) 1270
M. l. Dotor, P. Huertas, P. A. Postigo, D. Golmayo and F. Briones (Spain) Reduced indium incorporation during MBE
growth of ln(Al, Ga)As 1302
M. McElhinney and C. R. Stanley (UK)
Errata 1310
page 1249
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