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Directly Modulated VCSELs With Frequency Comb Injection for Parallel Communications

We propose a comb-locked multi-channel transmitter with high-speed VCSELs injection-locked by an optical frequency comb. VCSEL dynamics are analyzed with various injection parameters including number of comb tones, frequency detuning, and injection ratio. We evaluate the performance of filtering and amplification effect when multiple comb tones injection into single VCSEL and estimate the transmission performance considering the reflection from VCSEL. Compared to intrinsic parameters of VCSEL, a 2-fold increase in frequency response and a 2.6×104-fold reduction in linewidth have been verified experimentally when the bandwidth-limited VCSEL locked to an incident comb line. 14-Gb/s single-lane transmission is demonstrated through 20 km single-mode fiber based on a 3.4-GHz VCSEL without any dispersion compensation. The similar performance can be achieved for all generated 25 comb tones, verifying a potential high-capacity transmitter with distinct feature of two-dimensional VCSELs.

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Informasi Detail

Judul Seri

JOURNAL OF LIGHTWAVE TECHNOLOGY; Vol.39 No.5 March 1 2021

No. Panggil

-

Penerbit

: .,

Deskripsi Fisik

p. 1348 - 1354

Bahasa

English

ISBN/ISSN

-

Klasifikasi

-

Tipe Isi

-

Tipe Media

-

Tipe Pembawa

-

Edisi

-

Subjek

INJECTION LOCKING
VCSEL
FREQUENCY COMB
SHORT REACH OPTICAL INTERCONNECTS

Info Detail Spesifik

DOI: 10.1109/JLT.2020.3036966

Pernyataan Tanggungjawab

Yao Lu, Wenjia Zhang, Bingxin Xu, Xinyu Fan, Yan-Ting Sun, Zuyuan He

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