An All-Solid Athermal Multimode-Interference Cascaded Device For Wavelength-Locking

Keywords

fiber lasers; Fiber optics and optical communications; laser stabilization; Talbot and self-imaging effects

Abstract

We demonstrate a passive, material-based athermalization of all-fiber architectures consisting of cascaded multimode-interference (MMI) devices. Specifically, the athermal MMI filter used for in-line thermo-optic compensation consists of a no-core multimode fiber, which is spliced between two single-mode fibers, and is partly covered with a polymer coating. The design of the temperature-compensation unit is straightforward and its fabrication is simple. The applicability of our approach is experimentally verified by fabricating wavelength-locked MMI lasers with a temperature sensitivity lower than 1.0 pm/°C, which is several times smaller than that achieved with other fiber-optic devices and is comparable to that targeted in silicon photonics.

Publication Date

4-15-2018

Publication Title

IEEE Photonics Technology Letters

Volume

30

Issue

8

Number of Pages

669-672

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1109/LPT.2018.2810502

Socpus ID

85042872374 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/85042872374

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