Integrated Optics and Photonics Technologies

Optical Communications

This set of Optical Communications Multiple Choice Questions & Answers (MCQs) focuses on “Integrated Optics and Photonics Technologies”.

1. Integrated technology for optical devices are developed within optical fiber communication.
a) True
b) False

2. When both active and passive devices are integrated on a single chip, in multilayered form, then these devices are known as _____________
a) IP devices
b) IO devices
c) Wavelength converters
d) Optical parametric amplifiers

3. _________ is a further enhancement of ________
a) IP, IO
b) IO, IP
c) IO, wavelength converters
d) IP, wavelength converters

4. Thin transparent dielectric layers on planar substrates are used in _________ and ______ devices.
a) Wavelength converters and amplification devices
b) IP and IO
c) IP and wavelength converters
d) IO and amplification devices

5. __________ did not make significant contribution to earlier optical fiber systems.
a) IO
b) IP
c) Wavelength amplifiers
d) Couplers

6. Side or edge-emitting or conducting optical devices cannot be integrated on same substrate.
a) True
b) False

7. Hybrid ________ integration demands _________ IP circuits to be produced on a single substrate.
a) IP, single-layered
b) IO, multilayered
c) IP, multilayered
d) IO, multilayered

8. Using SOI integration technique __________ components can be coupled to IP devices.
a) Passive
b) Layered
c) Demounted
d) Active

9. Who invented the IO technology?
a) Albert Einstein
b) Anderson
c) M.S Clarke
d) Robert

10. Electronic circuits have a practical limitation on speed of operation at a frequency of around _________
a) 1010Hz
b) 1012Hz
c) 1014Hz
d) 1011Hz

11. The use of light as an electromagnetic wave of high frequency provides high speed operation around ____________ times the conceivable employing electronic circuits.
a) 108Hz
b) 105Hz
c) 106Hz
d) 104Hz

12. How many layers are possessed by waveguide structures of silica-on-silicon(SOS)?
a) Two
b) Three
c) Four
d) One

13. The ________________ is a versatile solution-based technique for making ceramic and glass materials.
a) SOL gel process
b) SSL gel process
c) SDL gel process
d) SAML gel process

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