An integrated optical XY coupler for phase-sensitive optical power combining and suppression of radiated light
Journal Article
·
· IEEE Photonics Technology Letters
- Sandia National Labs., Albuquerque, NM (United States)
The authors have designed and fabricated a new type of XY coupler for phase-sensitive combining of coherent light in waveguide PIC`s. The XY coupler uses two input waveguides and couples in-phase light into the middle of its three output waveguides. Out-of-phase light is coupled into the two outer waveguides. 15.5-dB extinction ratio is demonstrated in a Mach-Zehnder 15.5-dB extinction ratio is demonstrated in a Mach-Zehnder interferometer using this new XY coupler. Switching from the inner to the outer waveguides at the output is also demonstrated.
- Research Organization:
- Sandia National Laboratories (SNL), Albuquerque, NM, and Livermore, CA (United States)
- DOE Contract Number:
- AC04-94AL85000
- OSTI ID:
- 69871
- Journal Information:
- IEEE Photonics Technology Letters, Vol. 7, Issue 4; Other Information: PBD: Apr 1995
- Country of Publication:
- United States
- Language:
- English
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