National Taiwan University of Science and Technology
Optoelectronic Devices
ET 4302701

Spring 2017
Solutions for HW#4 of OD Course
1/2
1.
Like my derivation in class, the eigenvalues for the diagonalized matrix is as follows:
4.786
0
0
5.01
0.168
0
0.168
0
= 0; = 5.01,5.01,4.66
4.884
In the old coordinate system,
1
1
0
0.00719
4.786 0 0.168 4.786
National Taiwan University of Science and Technology
Optoelectronic Devices
ET 4302701

Spring 2015
Optoelectronic Devices
Introduction
_1
_2
Jeff Kash 2004
Apple Mac Thunderbolt Ports Will Support
Optical Cables, By Agam Shah, IDG
News Sep 27, 2011 5:18 am
Thunderbolt ports on Apple's current Macintosh computers will be
compatible with upcoming fiber
National Taiwan University of Science and Technology
Optoelectronic Devices
ET 4302701

Spring 2015
Homework #4 for ET4302701
Due on Tuesday 5/16/2017
1.
When the electric permittivity of a crystal is measured at l=1 m with respect to an
arbitrary Cartesian coordinate system defined by x1 , x 2 , and x3 , it is found to be given
by the following tensor
National Taiwan University of Science and Technology
Optoelectronic Devices
ET 4302701

Spring 2017
Solutions for HW#3 of OD Course
1.
2.
3.
1/2
Solutions for HW#3 of OD Course
Assuming
q S = 2pn S t + f S ( t )
2/2
q LO = 2pn LO t + f LO ( t )
I (t ) = ES (t ) + ELO (t ) + ES (t ) ELO (t ) + ES (t ) ELO (t )
2
2
*
*
cosq LO (t )
PS (t ) PLO (t ) [cosq
National Taiwan University of Science and Technology
Optoelectronic Devices
ET 4302701

Spring 2017
Solutions for HW#1 of OD Course
2.
1/4
Solutions for HW#1 of OD Course
3.
2/4
Solutions for HW#1 of OD Course
4.
3/4
Solutions for HW#1 of OD Course
4/4
National Taiwan University of Science and Technology
Optoelectronic Devices
ET 4302701

Spring 2015
Homework #2 for ET4302701
Due on Tuesday 4/11/2017
1.
(a) In a FabryPerot cavity, the free spectral range (FSR) is defined as the frequency separation
between adjacent modes. If the cavity length is d and the air is the medium of the cavity, derive
FSR
National Taiwan University of Science and Technology
communication system
ET ET4007701

Spring 2015
Chapter 5
Digital Modulation
Techniques
1
Main difference between the analog
modulation and digital modulation:
Digital modulation system represents
signals as symbols, e.g., 0 and 1 for a
binary transmission system.
Analog modulation system represents
si
National Taiwan University of Science and Technology
communication system
ET ET4007701

Spring 2015
Chapter 6
Multiple Access
Communications
1
6.0 Multiple Access Communications
Among communication systems, the simplest kind
consists of one pair of users, one transmits and one
receives. This kind of one to one communication is
traditionally called point
National Taiwan University of Science and Technology
communication system
ET ET4007701

Spring 2015
Chapter 1
An Overview of
Computer
Communications
1
A general framework for digital communication
2
An Overview of Computer Communications
Communication systems are designed to send
messages or information from a source that generates
the message to one or
National Taiwan University of Science and Technology
communication system
ET ET4007701

Spring 2015
Chapter 2
Signal Space
Representation
1
Trigonometric function
2
!
!
Suppose we have to mix signals, how are we going to
extract them correctly?
Let us consider the case where we have the following
periodic function
f (t ) = a cos(2f c t ) + b sin(2f c t