Impact of laser frequency noise on high-extinction optical modulation
Name
oe-28-26-39606.pdf
Description
Published version
Size
3.79 MB
Format
Adobe PDF
Checksum (MD5)
b3d4cb5b996433d55f5efad5a72e1537
Author(s)
West, Gavin N
Loh, William
Kharas, Dave
Ram, Rajeev J
Date Issued
2020
Journal
Optics Express
Publisher
The Optical Society
Version
Final published version
Abstract
In present literature on integrated modulation and filtering, limitations in the extinction ratio are dominantly attributed to a combination of imbalance in interfering wave amplitude, instability of control signals, stray light (e.g., in the cladding), or amplified spontaneous emission from optical amplifiers. Here we show that the existence of optical frequency noise in single longitudinal mode lasers presents an additional limit to the extinction ratio of optical modulators. A simple frequency-domain model is used to describe a linear optical system’s response in the presence of frequency noise, and an intuitive picture is given for systems with arbitrary sampling time. Understanding the influence of frequency noise will help guide the design choices of device and system engineers and offer a path toward even higher-extinction optical modulators.
MIT Department
Massachusetts Institute of Technology. Research Laboratory of Electronics
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
Lincoln Laboratory
Terms of Use
Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
Persistent DSpace Link
DOI of Published Version
https://doi.org/10.1364/OE.413850
