Abstract
Tunable 50/75 GHz millimeter wave (mmW) transmission system has been demonstrated employing self-injection locked quantum-dash laser diode comb source (SIL QDCS) in the challenging 1610 nm region. The generated 50/75 GHz mmW beat-tones exhibited low phase noise of -64 dB/Hz at 1 kHz offset and narrow radio-frequency (RF) linewidths of 1 kHz at the transmitter end. A 4 GBd (8 Gb/s) quadrature phase-shift keying (QPSK) data stream is successfully transmitted over both mmW carriers and across various channels viz. 2 m wireless (WL) link, 11.6 km single-mode-fiber (SMF) - 2 m WL link, and 11.6 km SMF - 6 m free-space-optics (FSO) - 2 m WL link, thus affirming the potential of quantum-dash laser diode (QDLD) in high-frequency mmW applications. This work is a potential step towards realizing next-generation high-frequency tunable mmW optical-RF convergent hybrid networks operation in L-band, and one such possible proposal with a single QDCS is presented.
| Original language | English |
|---|---|
| Pages (from-to) | 842-845 |
| Number of pages | 4 |
| Journal | IEEE Photonics Technology Letters |
| Volume | 34 |
| Issue number | 16 |
| DOIs | |
| State | Published - 15 Aug 2022 |
Bibliographical note
Publisher Copyright:© 1989-2012 IEEE.
Keywords
- L-band
- Quantum-dash laser
- comb source
- millimeter wave transmission
- self-injection locking
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Atomic and Molecular Physics, and Optics
- Electrical and Electronic Engineering