Tunable optoelectronic oscillator working in the Ku band

Mandeep Singh, Sanjeev Kumar Raghuwanshi, R. K. Bahl

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

An improved tunable optoelectronic oscillator (OEO) based on a dual-parallel Mach-Zehnder (MZ) modulator embedded with a sub-MZ modulator is designed and experimentally demonstrated for Ku band applications. Single-mode oscillator operation is achieved with a single feedback loop and without any electrical filters, which improves the tunability of the proposed OEO. The microwave power expression at the output of photodetector is developed using the well-known Taylor series expansion method to calculate the electrical spectrum and accumulated dispersion (ps nm-1) of the dispersive element (linearly chirped fiber Bragg grating). Phase noise is also examined, which allows us to conclude that our proposed oscillator is suitable for optical wireless communication, radar and phase array antenna applications. Furthermore, its application as a strain and temperature sensor is investigated and it is found to have maximum strain sensitivity (K ϵ) of 58.75 MHz μϵ -1 and temperature sensitivity (K T) of 1.752 GHz °C-1.

Original languageEnglish
Article number125201
JournalMeasurement Science and Technology
Volume29
Issue number12
DOIs
Publication statusPublished - 06-11-2018

Fingerprint

Optoelectronics
Optoelectronic devices
oscillators
Modulators
Mach number
Modulator
modulators
Taylor series
Temperature sensors
Fiber Bragg gratings
Phase noise
Optical Wireless
Photodetectors
Antenna arrays
Strain Sensor
Phase Noise
Temperature Sensor
Taylor Series Expansion
Antenna Arrays
Optical Communication

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Engineering (miscellaneous)
  • Applied Mathematics

Cite this

Singh, Mandeep ; Raghuwanshi, Sanjeev Kumar ; Bahl, R. K. / Tunable optoelectronic oscillator working in the Ku band. In: Measurement Science and Technology. 2018 ; Vol. 29, No. 12.
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Tunable optoelectronic oscillator working in the Ku band. / Singh, Mandeep; Raghuwanshi, Sanjeev Kumar; Bahl, R. K.

In: Measurement Science and Technology, Vol. 29, No. 12, 125201, 06.11.2018.

Research output: Contribution to journalArticle

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AU - Singh, Mandeep

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AB - An improved tunable optoelectronic oscillator (OEO) based on a dual-parallel Mach-Zehnder (MZ) modulator embedded with a sub-MZ modulator is designed and experimentally demonstrated for Ku band applications. Single-mode oscillator operation is achieved with a single feedback loop and without any electrical filters, which improves the tunability of the proposed OEO. The microwave power expression at the output of photodetector is developed using the well-known Taylor series expansion method to calculate the electrical spectrum and accumulated dispersion (ps nm-1) of the dispersive element (linearly chirped fiber Bragg grating). Phase noise is also examined, which allows us to conclude that our proposed oscillator is suitable for optical wireless communication, radar and phase array antenna applications. Furthermore, its application as a strain and temperature sensor is investigated and it is found to have maximum strain sensitivity (K ϵ) of 58.75 MHz μϵ -1 and temperature sensitivity (K T) of 1.752 GHz °C-1.

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