Phase transfer function of phase sensitive fiber optic parametric amplifiers


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I should have apologize to Zhitong and all the associated co-authors for their works in FORCE at Chalmers University. They do really follow a certain technical routine to proceed the investigation and research on PSA!

The phase resolution of the simulation affects the maximum gain and maximum loss values. It seems the resolution should better than 0.01 rad


In order to meet the blooming demand for the transmission capacity of the modern optical communication systems, complex modulation format comprising high order phase and amplitude modulations, such as binary and quadrature phase-shift keying (BPSK and QPSK), quadrature amplitude modulation (QAM), have become drastically interesting and been widely deployed in recent optical communication systems. As a consequence, apart from the conventional/life-long requirement of the low noise optical amplifiers for optical transmission links for optical communication and microwave photonics links, phase noise mitigation and quadrature decomposition are extensively desired.

To meet the ever-growing traffic requirement driven by the explosive emergence of various Internet based applications, advanced complex high-order modulation formats, exploiting both phase quadratures and amplitude of optical signals, significantly benefit from their high spectrally efficient, thus have been extensively employed for the sake of scaling up the transmission capacity of the modern optical communication system and networks.

In order to improve the performance and capability of the transmission networks, all-optical processing of the complex high-order modulation signals such as phase regeneration, field decomposition, and modulation format conversion, which predominates the electronic processing in terms of traffic cost and flexibility, is further demanded as respect to the endless pursuit of low noise amplifier.

During the past decade, phase-sensitive fiber-optic parametric amplifiers based on four-wave mixing (FWM) in highly nonlinear fiber (HNLF) has become a strong candidate for nonlinear optical processing owing to its ultra-fast response time, the intrinsically noiseless amplification, and especially the unique trait of squeezing.

Being capable of mitigating the nonlinear phase noise, PS-FOPA based phase regeneration has been achieved by

Especially, the phase-sensitive nonlinear process can provide the high phase sensitivity and binary stair/like phase-to-phase transfer function are a

Phase regeneration Field decomposition

In principle, high phase sensitivity and binary stair/like phase-to-phase transfer function are a phase-sensitve nonlienar process exhibiting

Compatible with nonlin