KANPUR INSTITUTE OF TECHNOLOGY, KANPURKANPUR INSTITUTE OF TECHNOLOGY & PHARMACY, KANPURSUBJECT NAME :Optical Networks (EEC 031)PROGRAM :B.Tech.TIME : 90 min

EXAM :Sessional-2BRANCH :ECMAX. MARKS :40

SEMESTER :8FACULTY NAME :Ms. Pooja Gupta

SECTION :A/B

Section-A

Q1.Attempt any four questions of the following: (4x5) (a) What is EDFA? Explain its principle of operation. Also write its advantages.

(b) Discuss Tunable VCSELs in brief. Mention its advantages and disadvantages.

(c) Explain DFB and DBR laser.(d) Draw and explain CLOS and Spanke architecture of non-blocking switch.(e) Define non-blocking switch and also discuss its types. Give comparison between different architectures of non-blocking switch.

Section-B

Q2.Attempt any two parts of the following: (2x10)

(a) What is crosstalk? Discuss its types? Explain any one method to reduce crosstalk.

(b) Write short notes on :1)Subcarrier multiplexing, 2) Soliton system(c) What is wavelength converter? Explain its types. What are the various approaches that are used for wavelength conversion? Discuss any one of them.

KANPUR INSTITUTE OF TECHNOLOGY, KANPURKANPUR INSTITUTE OF TECHNOLOGY & PHARMACY, KANPURSUBJECT NAME :Optical Networks (EEC 031)PROGRAM :B.Tech.TIME : 90 min

EXAM :Sessional-2BRANCH :ECMAX. MARKS :40

SEMESTER :8FACULTY NAME :Ms. Pooja Gupta

SECTION :A/B

Section-A

Q1.Attempt any four questions of the following: (4x5) (f) What is EDFA? Explain its principle of operation. Also write its advantages.

(g) Discuss Tunable VCSELs in brief. Mention its advantages and disadvantages.

(h) Explain DFB and DBR laser.(i) Draw and explain CLOS and Spanke architecture of non-blocking switch.(j) Define non-blocking switch and also discuss its types. Give comparison between different architectures of non-blocking switch.

Section-B

Q2.Attempt any two parts of the following: (2x10)

(d) What is crosstalk? Discuss its types? Explain any one method to reduce crosstalk.

(e) Write short notes on :1)Subcarrier multiplexing, 2) Soliton system(f) What is wavelength converter? Explain its types. What are the various approaches that are used for wavelength conversion? Discuss any one of them.