Samanta, Uttam Kumar and Chowdhury, Sourav Das and Paul, Mukul Chandra (2024) Modelling of a Lyot filter based Mamyshev oscillator. Optical Fiber Technology, 83 (103650). ISSN 1068-5200

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Abstract

Utilizing a Lyot filter (LF) as one of the spectral filters, a new architecture of Mamyshev Oscillator (MO) has been presented at the 1.06-mu m region. The Ginzburg-Landau equation (GLE) has been solved numerically and the feasibility of obtaining a stable single pulse state from the oscillator has been checked. A possible architecture of the LF is presented and the tunability of the LF is achieved by introducing stress-induced birefringence (SIB). As the transmission window of the LF shifts, the spectral overlap between two filters also varies. Various types of states have been obtained as the solution of GLE depending on the spectral overlap between two filters. Attributes of each pulsing state have been presented and the intra-cavity spectral and temporal evolution has also been shown and discussed accordingly. The results confirm that in an optimized parameter space, stable single pulse state can be achieved from an LF-based MO and the pulse possesses properties of `amplifier similariton'. The compressibility of the output pulse has also been checked numerically and it is worth mentioning that the pulse can be compressed near to its transform-limited duration.

Item Type:	Article
Subjects:	Electronics
Divisions:	Fiber Optics and Photonics
Depositing User:	Ms Upasana Sahu
Date Deposited:	02 May 2024 10:31
Last Modified:	02 May 2024 10:31
URI:	http://cgcri.csircentral.net/id/eprint/5707

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