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||Enabling Technologies for the Monolithic Integration of Semiconductor Lasers and Waveguide Optical Isolators
||Prof. David C. Hutchings
University of Glasgow
|Day and Time
Thursday, May 15, 2008, 11:00 a.m.
All are welcome. Refreshments will be served.
||Room BA 1200, Bahen Centre for Information Technology
University of Toronto
40 St. George St.
map - select BA
Circuits & Devices Joint Chapter
Emanuel Istrate, E-mail:
A wide range of optical devices and subsystems have now been developed
and demonstrated in an integrated format. The ability to define
elements lithographically potentially reduces the costs associated
with the assembly and alignment of bulk optical elements, and allows
for enhanced functionality. However, a key optical device in which an
integrated solution has proved elusive is the optical isolator and
associated non-reciprocal devices such as circulators. In this talk I
a number of technologies we have recently developed to incorporate the
elements of an optical isolator in a III-V semiconductor chip. In
particular, I will describe how we use the quasi-phase-matching
technique to implement Faraday rotation with magneto-optic claddings,
and how we fabricate the equivalent of a half-wave-plate in a waveguide.
Prof. David C. Hutchings currently holds the chair in Optical and
Quantum Electronics at the University of Glasgow. He gained his PhD in
Physics from Heriot-Watt University in 1988. He held postdoctoral
research positions at Heriot-Watt University, then at CREOL,
University of Central Florida. He was awarded a Royal Society of
Edinburgh/Scottish Office Education Department Personal Research
Fellowship in 1992, and an EPSRC Advanced Fellowship in 1995 for
studies into ultrafast nonlinear optics in semiconductors, both of
which were held at the University of Glasgow. He was subsequently
appointed as a Reader in 2000, and to a Chair in 2004. He is currently
the Head of the Engineering Graduate School, Academic Director of the
EngD in System
Level Integration programme and chair of the joint Graduate School of
the Glasgow Research Partnership in Engineering. He is a Fellow of the
Institute of Physics and Senior Member of the IEEE.