2024 · paper
N-Way Frequency Beamsplitter for Quantum Photonics
The preprint presents an N-way frequency beamsplitter architecture for quantum photonic frequency modes.[38]
quantum and integrated photonics
מירי בלאו
Identity: verifiedThe Bar-Ilan CRIS profile identifies Miri Blau and records quantum-photonics, quantum-information and integrated-optics research. [37]
Documented foundation
Bar-Ilan photonics researcher working across quantum information, nonlinear and integrated optics, including frequency-domain transformations for quantum light.[37]
frequency-domain quantum opticsintegrated photonicsnonlinear opticsquantum information
The institutional profile and publication record were inspected; no downloadable current CV was verified.[37]
Representative records, not a complete publication list. Metadata confirms attribution; it does not independently replicate a result.
2024 · paper
The preprint presents an N-way frequency beamsplitter architecture for quantum photonic frequency modes.[38]
1 catalogued patent record · family unassigned for 1 record
Coverage: Partial inventor search
Original WO2013160902A1 remains. Inspected US20150098697A1 explicitly names Miri Blau and Dan Mark Marom and links PCT/IL2013/050361 / WO2013160902A1; omitted as a same-family duplicate. Broader inventor and Columbia queries produced no independently inspected additional family. No exhaustive Hebrew University/Columbia/current portfolio or absence claim.
WO2013160902A1
Original report record
Preserved from the original report; see its cited evidence and limitations.[39]
Original evidence: verified record
One attributable international publication was inspected; portfolio completeness and present rights were not assessed.[39]
Records are counted separately from identified families. Author-reported entries are labelled and may still need publication verification. Inventorship, publication-time applicant and current ownership are different facts. No legal-status, patentability or freedom-to-operate conclusion is made.
Scores prioritize research fit from 1–10; they are not probabilities.
Review: Reviewed with limitations
Proposed capability matches, not confirmed relationships. Scores are analyst judgments with low forecast confidence; researcher interests, capacity and feasibility need confirmation.
10 candidates
Connection 1
Original proposal
Proposal hypothesis: Blau's frequency-domain quantum transformations and Desiatov's integrated nonlinear conversion have a direct mode-control/device division of work.[37][38][135][136]
Proposed first test: Model a three-mode transformation on a specified nonlinear platform and compare fidelity, cross-talk and fabrication-tolerance sensitivity.
Rank 1/10; fit 9/10: topic overlap 4/4, complementarity 3/3, first-test feasibility 2/3. Original initiative connection retained. No higher-scoring new candidate displaces this original. Equal scores retain originals first, then stable profile order. The underlying capabilities and proposed first test explain the component judgments. Specific scientific limitation: High optical topic fit still requires a platform-specific loss budget before a fabrication commitment.
Analyst proposal hypothesis, not an established collaboration, commitment, evidence-confidence rating or assessment of researcher quality; confirm participation and access before work.
Connection 2
Proposal hypothesis: Fridman's time lenses and Blau's frequency-mode quantum optics connect temporal control with spectral transformations.[34][37][38]
Proposed first test: Model a pulse through a time lens and three frequency modes; compare transformation fidelity and mode leakage with a frequency-only baseline.
Rank 2/10; fit 9/10: topic overlap 4/4, complementarity 3/3, first-test feasibility 2/3. Added capability match outside the original initiative graph; prior collaboration or novelty was not established. Equal scores retain originals first, then stable profile order. The underlying capabilities and proposed first test explain the component judgments. Specific scientific limitation: Quantum coherence and dispersion assumptions must be explicit.
Analyst proposal hypothesis, not an established collaboration, commitment, evidence-confidence rating or assessment of researcher quality; confirm participation and access before work.
Connection 3
Original proposal
Proposal hypothesis: Panfil's emission spectrum and Blau's frequency-mode optics could test whether a colloidal source can feed a controlled quantum frequency transformation.[25][26][37][38]
Proposed first test: Propagate an experimentally grounded emitter spectrum through a small frequency-mode model and quantify accepted bandwidth and mode cross-talk.
Rank 3/10; fit 8/10: topic overlap 3/4, complementarity 3/3, first-test feasibility 2/3. Original initiative connection retained. New candidate Moti Fridman ranks higher at 9/10 (overlap 4, complementarity 3, feasibility 2). Its proposed capability split: Proposal hypothesis: Fridman's time lenses and Blau's frequency-mode quantum optics connect temporal control with spectral transformations. Compare the cited first experiments; these are analyst priorities, not measured success rates. Equal scores retain originals first, then stable profile order. The underlying capabilities and proposed first test explain the component judgments. Specific scientific limitation: Source linewidth, coherence and interface loss must be compatible; room-temperature emission alone does not establish that compatibility.
Analyst proposal hypothesis, not an established collaboration, commitment, evidence-confidence rating or assessment of researcher quality; confirm participation and access before work.
Connection 4
Original proposal
Proposal hypothesis: Blau's quantum frequency-mode control could test spectral matching between Zektzer's hybrid atomic interface and another photonic channel.[37][38][50][51]
Proposed first test: Model an atomic-line input through a frequency transformation and compare accepted bandwidth, cross-talk and interface loss.
Rank 4/10; fit 8/10: topic overlap 3/4, complementarity 3/3, first-test feasibility 2/3. Original initiative connection retained. New candidate Moti Fridman ranks higher at 9/10 (overlap 4, complementarity 3, feasibility 2). Its proposed capability split: Proposal hypothesis: Fridman's time lenses and Blau's frequency-mode quantum optics connect temporal control with spectral transformations. Compare the cited first experiments; these are analyst priorities, not measured success rates. Equal scores retain originals first, then stable profile order. The underlying capabilities and proposed first test explain the component judgments. Specific scientific limitation: Atomic linewidth, converter noise and operating conditions are the decisive compatibility uncertainties.
Analyst proposal hypothesis, not an established collaboration, commitment, evidence-confidence rating or assessment of researcher quality; confirm participation and access before work.
Connection 5
Original proposal
Proposal hypothesis: Blau's quantum frequency transformations give Eliahu Cohen a concrete measurement system for testing distinguishability and uncertainty relations.[37][38][113][114]
Proposed first test: Simulate a three-mode transformation with detector loss and compare a proposed measurement statistic to a classical mixture control.
Rank 5/10; fit 8/10: topic overlap 3/4, complementarity 3/3, first-test feasibility 2/3. Original initiative connection retained. New candidate Moti Fridman ranks higher at 9/10 (overlap 4, complementarity 3, feasibility 2). Its proposed capability split: Proposal hypothesis: Fridman's time lenses and Blau's frequency-mode quantum optics connect temporal control with spectral transformations. Compare the cited first experiments; these are analyst priorities, not measured success rates. Independent review lowered feasibility by one point: Three modes, detector loss and a classical-mixture control give a useful scaffold, but the proposed measurement statistic is unnamed. Define the witness/estimator and its output criterion, or score feasibility 2/3 rather than 3/3. Equal scores retain originals first, then stable profile order. The underlying capabilities and proposed first test explain the component judgments. Specific scientific limitation: The score reflects a tractable optical-theory test, not an established quantum advantage.
Analyst proposal hypothesis, not an established collaboration, commitment, evidence-confidence rating or assessment of researcher quality; confirm participation and access before work.
Connection 6
Proposal hypothesis: Blau's quantum-mode requirements could constrain Lewi's angular/spectral metasurface transformations.[37][38][67][68]
Proposed first test: Model two frequency modes through a dispersive surface and compare coherence-preserving transfer with an incoherent classical control.
Rank 6/10; fit 8/10: topic overlap 3/4, complementarity 3/3, first-test feasibility 2/3. Added capability match outside the original initiative graph; prior collaboration or novelty was not established. Equal scores retain originals first, then stable profile order. The underlying capabilities and proposed first test explain the component judgments. Specific scientific limitation: Quantum-compatible loss and polarization response need qualification.
Analyst proposal hypothesis, not an established collaboration, commitment, evidence-confidence rating or assessment of researcher quality; confirm participation and access before work.
Connection 7
Original proposal
Proposal hypothesis: Goldzak Mizrahi can model material response while Blau identifies the frequency-mode transformation that an optical interface must preserve.[37][38][132][133]
Proposed first test: Compare two candidate material-response models in a three-mode quantum transformation and report loss and fidelity sensitivity.
Rank 7/10; fit 7/10: topic overlap 2/4, complementarity 3/3, first-test feasibility 2/3. Original initiative connection retained. New candidate Moti Fridman ranks higher at 9/10 (overlap 4, complementarity 3, feasibility 2). Its proposed capability split: Proposal hypothesis: Fridman's time lenses and Blau's frequency-mode quantum optics connect temporal control with spectral transformations. Compare the cited first experiments; these are analyst priorities, not measured success rates. Equal scores retain originals first, then stable profile order. The underlying capabilities and proposed first test explain the component judgments. Specific scientific limitation: Electronic-structure outputs may not directly parameterize the integrated platform; translation across model scales is the bottleneck.
Analyst proposal hypothesis, not an established collaboration, commitment, evidence-confidence rating or assessment of researcher quality; confirm participation and access before work.
Connection 8
Proposal hypothesis: Blau can define frequency-mode manipulation while Ozana specifies diffuse-optical photon-counting constraints.[37][38][41][42]
Proposed first test: Model a frequency-multiplexed diffuse measurement and compare separability and shot-noise-limited estimation to sequential acquisition.
Rank 8/10; fit 7/10: topic overlap 2/4, complementarity 3/3, first-test feasibility 2/3. Added capability match outside the original initiative graph; prior collaboration or novelty was not established. Equal scores retain originals first, then stable profile order. The underlying capabilities and proposed first test explain the component judgments. Specific scientific limitation: Tissue scattering and low count rates may erase the proposed mode benefit.
Analyst proposal hypothesis, not an established collaboration, commitment, evidence-confidence rating or assessment of researcher quality; confirm participation and access before work.
Connection 9
Proposal hypothesis: Blau's spectral-mode control could test multiplexed readout in Danielli's optical biomarker assays.[37][38][45][46][47]
Proposed first test: Model two fluorescence bands through a mode-selective optical response and compare cross-talk with standard bandpass filters.
Rank 9/10; fit 7/10: topic overlap 2/4, complementarity 3/3, first-test feasibility 2/3. Added capability match outside the original initiative graph; prior collaboration or novelty was not established. Equal scores retain originals first, then stable profile order. The underlying capabilities and proposed first test explain the component judgments. Specific scientific limitation: Fluorescence is not assumed to retain quantum coherence; the proposal is classical spectral discrimination.
Analyst proposal hypothesis, not an established collaboration, commitment, evidence-confidence rating or assessment of researcher quality; confirm participation and access before work.
Connection 10
Proposal hypothesis: Blau's quantum frequency control and Zalevsky's imaging methods could examine whether spectral multiplexing improves a bounded reconstruction task.[37][38][116][117][138]
Proposed first test: Simulate two frequency-labelled image channels at equal photons and compare reconstruction error with ordinary spectral separation.
Rank 10/10; fit 7/10: topic overlap 2/4, complementarity 3/3, first-test feasibility 2/3. Added capability match outside the original initiative graph; prior collaboration or novelty was not established. Equal scores retain originals first, then stable profile order. The underlying capabilities and proposed first test explain the component judgments. Specific scientific limitation: Frequency multiplexing does not imply improved spatial resolution or a quantum advantage.
Analyst proposal hypothesis, not an established collaboration, commitment, evidence-confidence rating or assessment of researcher quality; confirm participation and access before work.
10 candidates
Connection 1
Columbia University
Original proposal
The Columbia group's official publication record includes the N-way frequency-beamsplitter work coauthored with Blau, making this an existing research connection that could be extended in a new direction; future willingness is unknown.[37][40][469]
Implement a three- or four-mode frequency beamsplitter and measure insertion loss, mode crosstalk and transformation fidelity.
Rank 1/10 after semantic revision; analyst score 9 = max(1, 4+3+2): topic overlap 4/4, complementarity 3/3, feasible first test 2/3. The experiment, numerical inputs or identity/scope needs confirmation before execution. Original remains first under these components; original status breaks equal-score ties only, without a prestige bonus.
Proposed fit, not an assertion of a new or active relationship. Independent review pending; forecast confidence low. Partner interest, capacity, data access and any required experimental approvals/resources are unverified. Original a-s40 records coauthorship; this is a proposed extension of an existing connection.
Connection 2
Harvard University
Proposed capability match: Miri Blau's frequency-domain quantum optics, integrated photonics can be paired with Marko Loncar's documented nanoscale optics, quantum engineering for extend an existing collaboration toward a programmable high-dimensional photonic processor. The specific contribution is nanoscale integrated quantum optics; this transfer is an analyst hypothesis.[37][137][470]
Model a compact nonlinear optical element with realistic loss and fabrication variation using a small frequency-mode quantum photonic circuit with the same input states. Compare conversion efficiency, noise and sensitivity to geometry with the present frequency-beamsplitter architecture at equal loss.
Rank 2/10 after semantic revision; analyst score 9 = max(1, 4+3+2): topic overlap 4/4, complementarity 3/3, feasible first test 2/3. The experiment, numerical inputs or identity/scope needs confirmation before execution.
Proposed fit, not an assertion of a new or active relationship. Independent review pending; forecast confidence low. Partner interest, capacity, data access and any required experimental approvals/resources are unverified.
Connection 3
Stanford University
Proposed capability match: Miri Blau's frequency-domain quantum optics, integrated photonics can be paired with Jelena Vuckovic's documented integrated quantum photonics, cavity QED for extend an existing collaboration toward a programmable high-dimensional photonic processor. The specific contribution is cavity coupling and inverse photonic design; this transfer is an analyst hypothesis.[37][52][500]
Compare one inverse-designed and one conventional cavity/coupler under matched fabrication constraints using a small frequency-mode quantum photonic circuit with the same input states. Compare coupling efficiency, bandwidth and tolerance sensitivity with the present frequency-beamsplitter architecture at equal loss.
Rank 3/10 after semantic revision; analyst score 9 = max(1, 4+3+2): topic overlap 4/4, complementarity 3/3, feasible first test 2/3. The experiment, numerical inputs or identity/scope needs confirmation before execution.
Proposed fit, not an assertion of a new or active relationship. Independent review pending; forecast confidence low. Partner interest, capacity, data access and any required experimental approvals/resources are unverified.
Connection 4
University of Cambridge
Proposed capability match: Miri Blau's frequency-domain quantum optics, integrated photonics can be paired with Mete Atatüre's documented spin-photon interfaces, quantum sensors for extend an existing collaboration toward a programmable high-dimensional photonic processor. The specific contribution is spin-photon interface characterization; this transfer is an analyst hypothesis.[27][37][432]
Model a spin/photon readout sequence with calibrated dephasing and collection-loss sweeps using a small frequency-mode quantum photonic circuit with the same input states. Compare readout contrast and sensitivity to decoherence with the present frequency-beamsplitter architecture at equal loss.
Rank 4/10 after semantic revision; analyst score 8 = max(1, 3+3+2): topic overlap 3/4, complementarity 3/3, feasible first test 2/3. The experiment, numerical inputs or identity/scope needs confirmation before execution.
Proposed fit, not an assertion of a new or active relationship. Independent review pending; forecast confidence low. Partner interest, capacity, data access and any required experimental approvals/resources are unverified.
Connection 5
Université de Franche-Comté and FEMTO-ST
Proposed capability match: Miri Blau's frequency-domain quantum optics, integrated photonics can be paired with John Dudley's documented nonlinear optics, ultrafast optics for extend an existing collaboration toward a programmable high-dimensional photonic processor. The specific contribution is nonlinear optical dynamics and experiment control; this transfer is an analyst hypothesis.[36][37][450]
Compare fixed parameter scanning with a bounded adaptive search in a nonlinear propagation model using a small frequency-mode quantum photonic circuit with the same input states. Compare target waveform error and number of evaluations with the present frequency-beamsplitter architecture at equal loss.
Rank 5/10 after semantic revision; analyst score 8 = max(1, 3+3+2): topic overlap 3/4, complementarity 3/3, feasible first test 2/3. The experiment, numerical inputs or identity/scope needs confirmation before execution.
Proposed fit, not an assertion of a new or active relationship. Independent review pending; forecast confidence low. Partner interest, capacity, data access and any required experimental approvals/resources are unverified. Original institution wording is preserved. The reopened FEMTO-ST page uses Université de Franche-Comté; any subsequent institutional renaming is unresolved in this bounded refresh.
Connection 6
Massachusetts Institute of Technology
Proposed capability match: Miri Blau's frequency-domain quantum optics, integrated photonics can be paired with Gregory Wornell's documented signal processing, statistical inference for extend an existing collaboration toward a programmable high-dimensional photonic processor. The specific contribution is joint statistical inference and information constraints; this transfer is an analyst hypothesis.[37][110][503]
Compare full-data inference with task-specific compressed statistics at fixed communication or storage budget using a small frequency-mode quantum photonic circuit with the same input states. Compare estimation error, calibration and bits per valid decision with the present frequency-beamsplitter architecture at equal loss.
Rank 6/10 after semantic revision; analyst score 8 = max(1, 2+3+3): topic overlap 2/4, complementarity 3/3, feasible first test 3/3. A bounded offline comparison is specified; required datasets and domain assumptions must still be checked.
Proposed fit, not an assertion of a new or active relationship. Independent review pending; forecast confidence low. Partner interest, capacity, data access and any required experimental approvals/resources are unverified.
Connection 7
University of California, Berkeley
Proposed capability match: Miri Blau's frequency-domain quantum optics, integrated photonics can be paired with Ming Wu's documented silicon photonics, photonic integrated circuits for extend an existing collaboration toward a programmable high-dimensional photonic processor. The specific contribution is integrated optical routing and sensing; this transfer is an analyst hypothesis.[37][436]
Simulate a two-channel photonic routing/readout block under fabrication tolerances using a small frequency-mode quantum photonic circuit with the same input states. Compare insertion loss, crosstalk and readout variation with the present frequency-beamsplitter architecture at equal loss.
Rank 7/10 after semantic revision; analyst score 8 = max(1, 3+3+2): topic overlap 3/4, complementarity 3/3, feasible first test 2/3. The experiment, numerical inputs or identity/scope needs confirmation before execution.
Proposed fit, not an assertion of a new or active relationship. Independent review pending; forecast confidence low. Partner interest, capacity, data access and any required experimental approvals/resources are unverified.
Connection 8
California Institute of Technology
Proposed capability match: Miri Blau's frequency-domain quantum optics, integrated photonics can be paired with Harry Atwater's documented metasurfaces, two-dimensional materials for extend an existing collaboration toward a programmable high-dimensional photonic processor. The specific contribution is light-matter response of patterned materials; this transfer is an analyst hypothesis.[37][69][434]
Simulate two patterned-material optical responses and explicitly test whether the optical observable tracks the intended physical state using a small frequency-mode quantum photonic circuit with the same input states. Compare spectral selectivity, loss and correlation with the predeclared state; reject an unsupported optical proxy with the present frequency-beamsplitter architecture at equal loss.
Rank 8/10 after semantic revision; analyst score 7 = max(1, 3+2+2): topic overlap 3/4, complementarity 2/3, feasible first test 2/3. The experiment, numerical inputs or identity/scope needs confirmation before execution.
Proposed fit, not an assertion of a new or active relationship. Independent review pending; forecast confidence low. Partner interest, capacity, data access and any required experimental approvals/resources are unverified.
Connection 9
Duke University
Proposed capability match for Miri Blau with Robert Calderbank: Coding can address corrupted frequency-bin measurements after a concrete encoding and noise channel are defined; quantum-state protection remains unproven.[37][444]
Define classical symbols carried by measured frequency-bin outcomes and an explicit stochastic bin-confusion/erasure channel derived from a toy photonic circuit. Compare a small block code with repetition at equal transmitted-bin budget using the same channel matrix; measure decoded-symbol error and decoding cost. This is classical coding of readout outcomes, not a quantum error-correction claim.
Rank 9/10 after semantic revision; analyst score 6 = max(1, 2+2+2): topic overlap 2/4, complementarity 2/3, feasible first test 2/3. Coding can address corrupted frequency-bin measurements after a concrete encoding and noise channel are defined; quantum-state protection remains unproven. A bounded offline comparison is specified; required datasets and domain assumptions must still be checked.
Proposed fit, not an assertion of a new or active relationship. Independent review pending; forecast confidence low. Partner interest, capacity, data access and any required experimental approvals/resources are unverified. Post-review scope: Coding can address corrupted frequency-bin measurements after a concrete encoding and noise channel are defined; quantum-state protection remains unproven. This revised proposal awaits independent targeted re-review; simulated outcomes would establish model behavior only, not biological, clinical or deployed benefit.
Connection 10
ICFO - The Institute of Photonic Sciences
Proposed capability match for Miri Blau with Morgan W. Mitchell: The bridge is a testable estimator analogy for a common phase observable; an atomic readout sequence is not directly supplied by a frequency beamsplitter.[37][115][476]
Choose differential optical phase between two frequency bins as the toy observable. Write down the measurement probabilities with phase noise and loss, then compare a phase estimator motivated by atomic metrology with a conventional likelihood estimator on the same photon-count samples. Stop if the proposed estimator requires an atomic degree of freedom absent from the circuit.
Rank 10/10 after semantic revision; analyst score 4 = max(1, 1+2+1): topic overlap 1/4, complementarity 2/3, feasible first test 1/3. The bridge is a testable estimator analogy for a common phase observable; an atomic readout sequence is not directly supplied by a frequency beamsplitter. The experiment, numerical inputs or identity/scope needs confirmation before execution.
Proposed fit, not an assertion of a new or active relationship. Independent review pending; forecast confidence low. Partner interest, capacity, data access and any required experimental approvals/resources are unverified. Post-review scope: The bridge is a testable estimator analogy for a common phase observable; an atomic readout sequence is not directly supplied by a frequency beamsplitter. This revised proposal awaits independent targeted re-review; simulated outcomes would establish model behavior only, not biological, clinical or deployed benefit.
Miri Blau's documented expertise spans quantum information, frequency-domain transformations, nonlinear optics and integrated photonics. [37][38][39]
High confidenceReview: reviewedA current CV and complete patent portfolio were not reviewed.
Hypothesis: Blau and Lipson could extend their existing frequency-beamsplitter collaboration toward a programmable processor spanning frequency and spatial photonic modes. [38][40]
Low confidenceReview: reviewedLoss, scaling, fabrication complexity and interest in extending the collaboration remain unresolved.