Telecom Band Geometric Amplifier

STTR · Phase: BOTH · Topic OSW26TZ06-NV004 · Solicitation 26.TZ

Present-day devices for amplifying telecom laser light mostly produce gain by incoherently pumping a medium (optically or electrically), or by coherently pumping a nonlinear medium with a laser. Both approaches are technologically mature, and offer a range of performance tradeoffs. In contrast, geometric amplification is a gain mechanism that has only been recently proposed, and to date it has only been demonstrated in the acoustic domain [1]. However, the principle of geometric amplification can be applied to any domain. It can be realized using coupled resonators consisting only of linear, lossy components, so long as they can be modulated at a frequency comparable to the resonators’ decay rate [1]. In the telecom domain, this can be accomplished using a pair of fiber loops that include electrically tunable phase shifters that can be modulated at ~ 1 MHz. The adiabatic evolution associated with this relatively slow modulation (together with the components’ intrinsic loss) results in the accumulation of a geometric (Berry) phase [2,3] whose complex part can be engineered to provide gain [1,4,5]. Geometric gain differs existing forms of amplification in several respects, including that it achieves photon-number gain through rf modulation. This may offer practical advantages in terms of reduced device complexity, size, and power consumption.

SBIR/STTR 은 미국 중소기업만 지원할 수 있습니다(Small Business Act 법정 요건). • 계열사를 포함해 상시 종업원 500명 이하 • 미국 시민 또는 영주권자 1인 이상이 50%를 초과해 직접 소유·지배 • 미국 내 사업장을 두고 주로 미국 내에서 사업을 영위할 것 • 수행책임자(PI)의 주된 근무처가 신청 기업일 것 출처: https://www.sbir.gov/faq/eligibility-requirements

Primary country

🇺🇸 United States

Also eligible

None

Foreign companies

No

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Required

Location condition

미국 내 사업장을 두고 미국 시민·영주권자가 50%를 초과해 소유한 중소기업만 신청할 수 있습니다(법정 요건).

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Official URL

https://www.dodsbirsttr.mil/topics-app/

Application URL

https://www.dodsbirsttr.mil/topics-app/

Last fetched

2026.10.14

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First seen

2026.10.14

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Auto-collected, not reviewed

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