Referenced Items are not available for this document.
A coupled-ring reflector (CRR), which is composed of two coupled rings both of which are coupled with a straight waveguide, is applied to a widely tunable laser diode. When the radii of two rings are slightly different, the peak reflection wavelength of the CRR can be widely tuned over a few tens nanometers by a small amount of refractive index change. It is shown that a few tens nanometers of tuning with a sidemode suppression ratio exceeding 45 dB both for adjacent cavity mode and for adjacent ring mode is achievable in the widely tunable CRR laser diode.
Published in:
Photonics Technology Letters, IEEE
(Volume:17
,
Issue:
9
)
Date of Publication: Sept. 2005
- Page(s):
- 1773 - 1775
- ISSN :
- 1041-1135
- INSPEC Accession Number:
- 8546264
- Digital Object Identifier :
- 10.1109/LPT.2005.852643
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 22 August 2005
- Issue Date :
- Sept. 2005
- Sponsored by :
- IEEE Photonics Society
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