Broad bandwidth light-wave frequency synthesizer in the 1–1.1-µm range

Frederik D. Nielsen; Lars Thrane; John Black; Anders O. Bjarklev; Peter E. Andersen

doi:10.1117/12.590453

22 April 2005 Broad bandwidth light-wave frequency synthesizer in the 1-1.1-μm range

Frederik D. Nielsen, Lars Thrane, John Black, Anders O. Bjarklev, Peter E. Andersen

Proceedings Volume 5709, Fiber Lasers II: Technology, Systems, and Applications; (2005) https://doi.org/10.1117/12.590453
Event: Lasers and Applications in Science and Engineering, 2005, San Jose, California, United States

Abstract

We present a novel implementation of the lightwave synthesized frequency sweeper (LSFS) based on Ytterbium doped fiber amplifiers. The source can potentially be used for swept source optical coherence tomography (SS-OCT), which has recently been shown to have an improved signal to noise ratio compared to time domain OCT systems, and development of suitable swept wavelength sources is for this reason of utmost importance. Based on Ytterbium doped fiber amplifiers, the source operates in the 1-1.1 μm range, which makes it particular useful for ophthalmic applications of OCT. Previous studies of a LSFS based on Erbium doped fiber amplifiers (EDFAs), which can be operated with noise figures close to the fundamental quantum limit, showed that the scanning range was limited by the buildup of amplified spontaneous emission noise. In spite of Ytterbium doped amplifiers are fundamentally not able to approach the quantum limit, our fundamental experiments show performance comparable to EDFA based systems. The result of the experiments compare well with predictions given by a numerical concatenated amplifier model, hence validating the model and enabling us to use the model for future system optimization.

Citation Download Citation

Frederik D. Nielsen, Lars Thrane, John Black, Anders O. Bjarklev, and Peter E. Andersen "Broad bandwidth light-wave frequency synthesizer in the 1-1.1-μm range", Proc. SPIE 5709, Fiber Lasers II: Technology, Systems, and Applications, (22 April 2005); https://doi.org/10.1117/12.590453

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available