Deeply Etched Inner-Cavity Pit Reflector

Deeply Etched Inner-Cavity Pit Reflector

A deeply etched pit reflector is presented in this paper. The pit is not depth sensitive and has a comparable reflection and loss to a slot. Moreover, a two-section 750&#x00A0;<inline-formula><tex-math notation="LaTeX">${\mu }{\text {m}}$</tex-math></inline-formula...

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Bibliographic Details
Main Authors: M. Dernaika, L. Caro, N. P. Kelly, J. K. Alexander, F. Dubois, P. E. Morrissey, F. H. Peters
Format: Article
Language:English
Published: IEEE 2017-01-01
Series:IEEE Photonics Journal
Subjects:
Semiconductor lasers
laser tuning
optical waveguides.
Online Access:https://ieeexplore.ieee.org/document/7828054/
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Summary:A deeply etched pit reflector is presented in this paper. The pit is not depth sensitive and has a comparable reflection and loss to a slot. Moreover, a two-section 750&#x00A0;<inline-formula><tex-math notation="LaTeX">${\mu }{\text {m}}$</tex-math></inline-formula> laser cavity based on the pits is demonstrated. The laser achieved a side-mode suppression ratio of 40 dB, a linewidth of 280 KHz, and tuning across 40 nm.
ISSN:1943-0655

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