fiber bragg gratings ashwin reddy m [email protected]

16
Fiber Bragg Gratings Ashwin Reddy M [email protected]

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Page 1: Fiber Bragg Gratings Ashwin Reddy M arm34@drexel.edu

Fiber Bragg Gratings

Ashwin Reddy M

[email protected]

Page 2: Fiber Bragg Gratings Ashwin Reddy M arm34@drexel.edu

Contents

• Principle of Operation

• Fabrication

• Temperature dependence

• Athermalization or Packaging

• Applications

Page 3: Fiber Bragg Gratings Ashwin Reddy M arm34@drexel.edu

Principle of Operation

Page 4: Fiber Bragg Gratings Ashwin Reddy M arm34@drexel.edu
Page 5: Fiber Bragg Gratings Ashwin Reddy M arm34@drexel.edu
Page 6: Fiber Bragg Gratings Ashwin Reddy M arm34@drexel.edu

Fabrication

• Inferometric or Holographic technique

• Point by Point Technique

• Phase Mask Method

Page 7: Fiber Bragg Gratings Ashwin Reddy M arm34@drexel.edu
Page 8: Fiber Bragg Gratings Ashwin Reddy M arm34@drexel.edu
Page 9: Fiber Bragg Gratings Ashwin Reddy M arm34@drexel.edu

Temperature dependence of FBG

Page 10: Fiber Bragg Gratings Ashwin Reddy M arm34@drexel.edu
Page 11: Fiber Bragg Gratings Ashwin Reddy M arm34@drexel.edu
Page 12: Fiber Bragg Gratings Ashwin Reddy M arm34@drexel.edu

Athermalization

Page 13: Fiber Bragg Gratings Ashwin Reddy M arm34@drexel.edu

Applications

Fiber Bragg Grating for Optical Add/Drop Multiplexer

Page 14: Fiber Bragg Gratings Ashwin Reddy M arm34@drexel.edu
Page 15: Fiber Bragg Gratings Ashwin Reddy M arm34@drexel.edu

Dispersion Compensation

Solution: Recompress the optical pulses using a chirped grating

Page 16: Fiber Bragg Gratings Ashwin Reddy M arm34@drexel.edu

References

Technical Papers:

Fiber Bragg Grating for Telecommunications applications: Tuneable thermally stress enhanced OADM.Modeling and Analysis on the Thermal Tuning of Fiber Bragg Gratings for Optical Communication ApplicationsFiber / PLC Grating Devices for WDM Transmission SystemsFiber Bragg Gratings for high performance networksFiber Bragg Gratings and Chromatic DispersionDispersion Compensation using Chirped Fiber Bragg GratingsState-of-Art Manufacturing Techniques Push Fiber Bragg Gratings Components to New Levels of PerformanceFiber Bragg Grating Filters for Optical CommunicationsCeramic Substrate with Negative Thermal Expansion for Athermalization of Fiber Bragg GratingsDevelopment of Optical Fiber Gratings for WDM Systems