Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Electrical & Electronics Expert

problem 1: describe the method of intermodal dispersion in multimode step index fiber.

problem 2: describe the phenomenon of modal noise in optical fibers and propose how it might be avoided.

problem 3: Describe what is meant by:

a) Modal Birefringence
b) The beat length.

problem 4: Describe what is meant by the critical bending radius for an optical fiber.

problem 5: What do you mean by Dispersion phenomenon? Describe in brief the different types of dispersion occurring in the optical fibers.

problem 6: What is dispersion shifted and dispersion flattened fibers.

problem 7: Two step index fibers exhibit the given parameters:

a) A multimode fiber with core refractive index of 1.5, a relative refractive index difference of 3% and an operating wavelength of 0.82um.

b) An 8um core diameter single mode fiber with a core refractive index similar as (a), a relative refractive index difference of 0.3% and an operating wavelength of 1.55um. Find out the critical bending radius of curvature at which large bending losses take place in both cases.

problem 8:  A multimode graded index fiber exhibits total pulse broadening of 0.1us over a distance of 15 Km. Estimate:

a) Maximum possible bandwidth on the link supposing no inter symbol interference;
b) The pulse dispersion per unit length.
c) Bandwidth-length product for the fiber.

problem 9: Two polarization maintaining fibers operating at a wavelength of 1.3um encompass beat lengths of 0.7mm and 80m. Find out the modal birefringence in each case and comment on the outcomes.

problem 10: The difference between the propagation constants for the two orthogonal modes in a single mode fiber is 250. It is illuminated with light of peak wavelength 1.55um from an injection laser source with a spectral line width of 0.8nm. Find the coherence length in the fiber.

Electrical & Electronics, Engineering

  • Category:- Electrical & Electronics
  • Reference No.:- M97403

Have any Question? 


Related Questions in Electrical & Electronics

Using the frequency sampling method design a linear phase

Using the frequency sampling method, design a linear phase bandstop FIR filter with cutoff frequencies Ω c1 = π/3, Ω c2 = π/2, and L h = 13. Realize the design as a frequency sampling filter.

A the highest frequency in the spectrum x omega fig p81-8a

a. The highest frequency in the spectrum X (ω) (Fig. P8.1-8a) of a bandpass signal x (t) is 30 Hz. Hence, the minimum sampling frequency needed to sample x (t) is 60 Hz. Show the spectrum of the signal sampled at a rate ...

1 what would be the voltage and current standing wave

1. What would be the voltage and current standing wave patterns for an open-circuited line? 2. Discuss the variation with frequency of the input reactance of a short-circuited line and its application in the determinatio ...

1 suppose that a system is described by the impulse

1. Suppose that a system is described by the impulse response h(t) = 2sinc(t). Plot the magnitude of the frequency response of the system 2. Suppose that a system is described by the impulse response h(t) = 2sinc(t)sin(t ...

The key in des is 56 bits assume eve the intruder tries to

The key in DES is 56 bits. Assume Eve, the intruder, tries to find the key using a brute-force attack (tries all of the keys one by one). If she can try one million keys (almost 220) in each second (using a powerful comp ...

1 in an impulse invariance design show that if has is a

1. In an impulse invariance design, show that if Ha(s) is a transfer function of a stable system, the corresponding H[z] is also a transfer function of a stable system. 2. First-order backward differences provide the tra ...

A 12-bit oversampling adc oversamples by a factor of m 64

A 12-bit oversampling ADC oversamples by a factor of M = 64. To achieve the same average power of the quantization noise at the output, but without using oversampling, how many bits are required?

1 which if either is a better anti-aliasing filter a

1. Which, if either, is a better anti-aliasing filter: a Chebyshev filter or an inverse Chebyshev filter? Fully justify your answer. 2. Consider the following specifications for bandpass signals. For each case, find the ...

Atbash was a popular cipher among biblical writers in

Atbash was a popular cipher among Biblical writers. In Atbash, "A" is encrypted as "Z", "B" is encrypted as "Y", and so on. Similarly, "Z" is encrypted as "A", "Y" is encrypted as "B", and so on. Suppose that the alphabe ...

1 what is a boundary condition how do boundary conditions

1. What is a boundary condition? How do boundary conditions arise and how are they derived? 2. Summarize the boundary conditions for the general case of a boundary between two arbitrary media, indicating correspondingly ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro