Optical MIMO in Stokes Space: Bridging Coherent and Non-Coherent Detection

High-dimensional Stokes vector direct detection over few-mode fibers

Honglin Ji, Di Che, Chuanbowen Sun, Jian Fang, Giovanni Milione, Ranjith Rajasekharan Unnithan, William Shieh

2019-04-15

Direct detection attracts much attention for its simplicity compared with coherent detection. In this Letter, we propose for the f..

Investigation of single- and multi-carrier modulation formats for Kramers-Kronig and SSBI iterative cancellation receivers

Chuanbowen Sun, Di Che, Honglin Ji, William Shieh

2019-04-01

The Kramers-Kronig (KK) receiver has recently attracted significant attention due to its capability of field recovery with direct ..

Study of Chromatic Dispersion Impacts on Kramers-Kronig and SSBI Iterative Cancellation Receiver

Chuanbowen Sun, Di Che, Honglin Ji, William Shieh

2019-02-15

Field recovery of single sideband signals with direct detection has recently been investigated for short-reach communications. One..

Optical Field Recovery in Stokes Space

Di Che, Chuanbowen Sun, William Shieh

2019-01-15

Coherent detection empowers optical receivers the capability of recovering the optical field propagating through the fiber. Field ..

Rejuvenating direct modulation and direct detection for modern optical communications

Di Che, An Li, Xi Chen, Qian Hu, William Shieh

2018-02-15

High-speed transoceanic optical fiber transmission using direct modulation (DM) and direct detection (DD) was one of the most stir..

Information Capacity of Polarization-Modulated and Directly Detected Optical Systems Dominated by Amplified Spontaneous Emission Noise

Hamid Khodakarami, Di Che, William Shieh

2017-07-15

© 1983-2012 IEEE. We derive the closed-form information capacity of optically amplified polarization modulation with direct detect..

Single-shot distributed Brillouin optical time domain analyzer

Jian Fang, Pengbai Xu, Yongkang Dong, William Shieh

2017-06-26

We demonstrate a novel single-shot distributed Brillouin optical time domain analyzer (SS-BOTDA). In our method, dual-polarization..

Invited Article: Polarization diversity and modulation for high-speed optical communications: architectures and capacity

William Shieh, Hamid Khodakarami, Di Che

2016-07-01

Polarization is one of the fundamental properties of optical waves. To cope with the exponential growth of the Internet traffic, o..